Last 12 months
Inside the activity.
0 purchase rows · 3263 sale rows
Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.Monthly counts
| Month | Purchases | Sales |
|---|---|---|
| Nov 2025 | 0 | 97 |
| Dec 2025 | 0 | 233 |
| Jan 2026 | 0 | 320 |
| Feb 2026 | 0 | 225 |
| Mar 2026 | 0 | 165 |
| Apr 2026 | 0 | 602 |
| May 2026 | 0 | 441 |
| Jun 2026 | 0 | 437 |
| Jul 2026 | 0 | 242 |
| Aug 2026 | 0 | 412 |
| Sep 2026 | 0 | 82 |
| Oct 2026 | 0 | 7 |
Latest available
Insider transactions
Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”
The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.
| Transaction date | Owner / reported role | Activity / security | Shares / units | Reported price | Reported value | Details |
|---|---|---|---|---|---|---|
| April 16, 2026 Filed Apr 18, 2026 00:40 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 870 | $120.64 | $104,956.80 |
DisclosureSEC source: 0001104659-26-045071 · tm2612072-4_4seq1.xml · nonDerivative · entry 3 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 5,097,448 F3 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, and Magnetar SC Fund Ltd, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F4 · ownership.nature: Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F5 · ownership.nature: Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F6 · ownership.nature: These securities are held directly by CW Opportunity 2 LP. Read SEC document |
| April 16, 2026 Filed Apr 18, 2026 00:40 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 31,624 | $119.42 | $3,776,538.08 |
DisclosureSEC source: 0001104659-26-045071 · tm2612072-4_4seq1.xml · nonDerivative · entry 2 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 5,098,318 F2 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $119.17 to $120.00, inclusive. F3 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, and Magnetar SC Fund Ltd, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F4 · ownership.nature: Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F5 · ownership.nature: Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F6 · ownership.nature: These securities are held directly by CW Opportunity 2 LP. Read SEC document |
| April 16, 2026 Filed Apr 18, 2026 00:40 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 109,438 | $117.96 | $12,909,306.48 |
DisclosureSEC source: 0001104659-26-045071 · tm2612072-4_4seq1.xml · nonDerivative · entry 1 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 5,129,942 F1 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $117.71 to $118.50, inclusive. The reporting person undertakes to provide to CoreWeave, Inc. (the "Issuer"), any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote and footnote 2. F3 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, and Magnetar SC Fund Ltd, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F4 · ownership.nature: Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F5 · ownership.nature: Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F6 · ownership.nature: These securities are held directly by CW Opportunity 2 LP. Read SEC document |
| April 15, 2026 Filed Apr 18, 2026 00:37 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleCall option (obligation to sell) · Derivative | 23,880 | $489,540.00 Strike: $160.00 | $11,690,215,200.00 |
DisclosureSEC source: 0001104659-26-045068 · tm2612072-3_4seq1.xml · derivative · entry 12 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 23,880 Underlying: Class A Common Stock · 23,880 shares Expires 2026-12-18 F1 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, Magnetar SC Fund Ltd, Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC, and Purpose Alternative Credit Fund - T LLC, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F2 · ownership.nature: Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F3 · ownership.nature: Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F15 · ownership.nature: These securities are held directly by Purpose Alternative Credit Fund - T LLC. Read SEC document |
| April 15, 2026 Filed Apr 18, 2026 00:37 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleCall option (obligation to sell) · Derivative | 113,976 | $2,336,508.00 Strike: $160.00 | $266,305,835,808.00 |
DisclosureSEC source: 0001104659-26-045068 · tm2612072-3_4seq1.xml · derivative · entry 11 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 113,976 Underlying: Class A Common Stock · 113,976 shares Expires 2026-12-18 F1 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, Magnetar SC Fund Ltd, Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC, and Purpose Alternative Credit Fund - T LLC, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F2 · ownership.nature: Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F3 · ownership.nature: Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F14 · ownership.nature: These securities are held directly by Purpose Alternative Credit Fund - F LLC. Read SEC document |
| April 15, 2026 Filed Apr 18, 2026 00:37 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleCall option (obligation to sell) · Derivative | 141,487 | $2,900,483.50 Strike: $160.00 | $410,380,708,964.50 |
DisclosureSEC source: 0001104659-26-045068 · tm2612072-3_4seq1.xml · derivative · entry 10 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 141,487 Underlying: Class A Common Stock · 141,487 shares Expires 2026-12-18 F1 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, Magnetar SC Fund Ltd, Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC, and Purpose Alternative Credit Fund - T LLC, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F2 · ownership.nature: Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F3 · ownership.nature: Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F13 · ownership.nature: These securities are held directly by Magnetar Xing He Master Fund Ltd. Read SEC document |
| April 15, 2026 Filed Apr 18, 2026 00:37 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleCall option (obligation to sell) · Derivative | 229,572 | $4,706,226.00 Strike: $160.00 | $1,080,417,715,272.00 |
DisclosureSEC source: 0001104659-26-045068 · tm2612072-3_4seq1.xml · derivative · entry 9 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 229,572 Underlying: Class A Common Stock · 229,572 shares Expires 2026-12-18 F1 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, Magnetar SC Fund Ltd, Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC, and Purpose Alternative Credit Fund - T LLC, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F2 · ownership.nature: Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F3 · ownership.nature: Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F12 · ownership.nature: These securities are held directly by Magnetar Structured Credit Fund, LP. Read SEC document |
| April 15, 2026 Filed Apr 18, 2026 00:37 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleCall option (obligation to sell) · Derivative | 60,979 | $1,250,069.50 Strike: $160.00 | $76,227,988,040.50 |
DisclosureSEC source: 0001104659-26-045068 · tm2612072-3_4seq1.xml · derivative · entry 8 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 60,979 Underlying: Class A Common Stock · 60,979 shares Expires 2026-12-18 F1 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, Magnetar SC Fund Ltd, Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC, and Purpose Alternative Credit Fund - T LLC, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F2 · ownership.nature: Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F3 · ownership.nature: Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F11 · ownership.nature: These securities are held directly by Magnetar SC Fund Ltd. Read SEC document |
| April 15, 2026 Filed Apr 18, 2026 00:37 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleCall option (obligation to sell) · Derivative | 269,883 | $5,532,601.50 Strike: $160.00 | $1,493,155,090,624.50 |
DisclosureSEC source: 0001104659-26-045068 · tm2612072-3_4seq1.xml · derivative · entry 7 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 269,883 Underlying: Class A Common Stock · 269,883 shares Expires 2026-12-18 F1 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, Magnetar SC Fund Ltd, Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC, and Purpose Alternative Credit Fund - T LLC, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F2 · ownership.nature: Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F3 · ownership.nature: Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F10 · ownership.nature: These securities are held directly by Magnetar Longhorn Fund LP. Read SEC document |
| April 15, 2026 Filed Apr 18, 2026 00:37 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleCall option (obligation to sell) · Derivative | 215,305 | $4,413,752.50 Strike: $160.00 | $950,302,982,012.50 |
DisclosureSEC source: 0001104659-26-045068 · tm2612072-3_4seq1.xml · derivative · entry 6 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 215,305 Underlying: Class A Common Stock · 215,305 shares Expires 2026-12-18 F1 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, Magnetar SC Fund Ltd, Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC, and Purpose Alternative Credit Fund - T LLC, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F2 · ownership.nature: Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F3 · ownership.nature: Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F9 · ownership.nature: These securities are held directly by Magnetar Lake Credit Fund LLC. Read SEC document |
| April 15, 2026 Filed Apr 18, 2026 00:37 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleCall option (obligation to sell) · Derivative | 156,825 | $3,214,912.50 Strike: $160.00 | $504,178,652,812.50 |
DisclosureSEC source: 0001104659-26-045068 · tm2612072-3_4seq1.xml · derivative · entry 5 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 156,825 Underlying: Class A Common Stock · 156,825 shares Expires 2026-12-18 F1 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, Magnetar SC Fund Ltd, Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC, and Purpose Alternative Credit Fund - T LLC, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F2 · ownership.nature: Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F3 · ownership.nature: Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F8 · ownership.nature: These securities are held directly by Magnetar Constellation Master Fund, Ltd. Read SEC document |
| April 15, 2026 Filed Apr 18, 2026 00:37 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleCall option (obligation to sell) · Derivative | 7,272 | $149,076.00 Strike: $160.00 | $1,084,080,672.00 |
DisclosureSEC source: 0001104659-26-045068 · tm2612072-3_4seq1.xml · derivative · entry 4 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 7,272 Underlying: Class A Common Stock · 7,272 shares Expires 2026-12-18 F1 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, Magnetar SC Fund Ltd, Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC, and Purpose Alternative Credit Fund - T LLC, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F2 · ownership.nature: Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F3 · ownership.nature: Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F7 · ownership.nature: These securities are held directly by Magnetar Capital Master Fund, Ltd. Read SEC document |
| April 15, 2026 Filed Apr 18, 2026 00:37 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleCall option (obligation to sell) · Derivative | 70,352 | $1,442,216.00 Strike: $160.00 | $101,462,780,032.00 |
DisclosureSEC source: 0001104659-26-045068 · tm2612072-3_4seq1.xml · derivative · entry 3 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 70,352 Underlying: Class A Common Stock · 70,352 shares Expires 2026-12-18 F1 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, Magnetar SC Fund Ltd, Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC, and Purpose Alternative Credit Fund - T LLC, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F2 · ownership.nature: Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F3 · ownership.nature: Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F6 · ownership.nature: These securities are held directly by Magnetar Alpha Star Fund LLC. Read SEC document |
| April 15, 2026 Filed Apr 18, 2026 00:37 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleCall option (obligation to sell) · Derivative | 536,619 | $11,000,689.50 Strike: $160.00 | $5,903,178,998,800.50 |
DisclosureSEC source: 0001104659-26-045068 · tm2612072-3_4seq1.xml · derivative · entry 2 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 536,619 Underlying: Class A Common Stock · 536,619 shares Expires 2026-12-18 F1 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, Magnetar SC Fund Ltd, Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC, and Purpose Alternative Credit Fund - T LLC, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F2 · ownership.nature: Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F3 · ownership.nature: Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F5 · ownership.nature: These securities are held directly by CW Opportunity LLC. Read SEC document |
| April 15, 2026 Filed Apr 18, 2026 00:37 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleCall option (obligation to sell) · Derivative | 173,850 | $3,563,925.00 Strike: $160.00 | $619,588,361,250.00 |
DisclosureSEC source: 0001104659-26-045068 · tm2612072-3_4seq1.xml · derivative · entry 1 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 173,850 Underlying: Class A Common Stock · 173,850 shares Expires 2026-12-18 F1 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, Magnetar SC Fund Ltd, Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC, and Purpose Alternative Credit Fund - T LLC, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F2 · ownership.nature: Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F3 · ownership.nature: Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F4 · ownership.nature: These securities are held directly by CW Opportunity 2 LP. Read SEC document |
| April 15, 2026 Filed Apr 18, 2026 00:35 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 64,554 | $119.34 | $7,703,874.36 |
DisclosureSEC source: 0001104659-26-045065 · tm2612072-1_4seq1.xml · nonDerivative · entry 27 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 8,378,665 F3 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $119.20 to $119.50, inclusive. F4 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity LLC, CW Opportunity 2 LP, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP and Magnetar SC Fund Ltd, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F5 · ownership.nature: Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F6 · ownership.nature: Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F15 · ownership.nature: These securities are held directly by Magnetar Structured Credit Fund, LP. Read SEC document |
| April 15, 2026 Filed Apr 18, 2026 00:35 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 262,805 | $118.57 | $31,160,788.85 |
DisclosureSEC source: 0001104659-26-045065 · tm2612072-1_4seq1.xml · nonDerivative · entry 26 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 8,443,219 F2 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $118.20 to $119.11, inclusive. F4 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity LLC, CW Opportunity 2 LP, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP and Magnetar SC Fund Ltd, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F5 · ownership.nature: Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F6 · ownership.nature: Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F15 · ownership.nature: These securities are held directly by Magnetar Structured Credit Fund, LP. Read SEC document |
| April 15, 2026 Filed Apr 18, 2026 00:35 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 20,089 | $117.79 | $2,366,283.31 |
DisclosureSEC source: 0001104659-26-045065 · tm2612072-1_4seq1.xml · nonDerivative · entry 25 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 8,706,024 F1 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $117.06 to $118.00, inclusive. The reporting person undertakes to provide to CoreWeave, Inc. (the "Issuer"), any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote and in footnotes 2 and 3. F4 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity LLC, CW Opportunity 2 LP, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP and Magnetar SC Fund Ltd, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F5 · ownership.nature: Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F6 · ownership.nature: Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F15 · ownership.nature: These securities are held directly by Magnetar Structured Credit Fund, LP. Read SEC document |
| April 15, 2026 Filed Apr 18, 2026 00:35 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 17,147 | $119.34 | $2,046,322.98 |
DisclosureSEC source: 0001104659-26-045065 · tm2612072-1_4seq1.xml · nonDerivative · entry 24 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 1,083,162 F3 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $119.20 to $119.50, inclusive. F4 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity LLC, CW Opportunity 2 LP, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP and Magnetar SC Fund Ltd, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F5 · ownership.nature: Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F6 · ownership.nature: Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F14 · ownership.nature: These securities are held directly by Magnetar SC Fund Ltd. Read SEC document |
| April 15, 2026 Filed Apr 18, 2026 00:35 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 69,798 | $118.57 | $8,275,948.86 |
DisclosureSEC source: 0001104659-26-045065 · tm2612072-1_4seq1.xml · nonDerivative · entry 23 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 1,100,309 F2 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $118.20 to $119.11, inclusive. F4 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity LLC, CW Opportunity 2 LP, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP and Magnetar SC Fund Ltd, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F5 · ownership.nature: Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F6 · ownership.nature: Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F14 · ownership.nature: These securities are held directly by Magnetar SC Fund Ltd. Read SEC document |
| April 15, 2026 Filed Apr 18, 2026 00:35 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 5,334 | $117.79 | $628,291.86 |
DisclosureSEC source: 0001104659-26-045065 · tm2612072-1_4seq1.xml · nonDerivative · entry 22 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 1,170,107 F1 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $117.06 to $118.00, inclusive. The reporting person undertakes to provide to CoreWeave, Inc. (the "Issuer"), any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote and in footnotes 2 and 3. F4 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity LLC, CW Opportunity 2 LP, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP and Magnetar SC Fund Ltd, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F5 · ownership.nature: Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F6 · ownership.nature: Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F14 · ownership.nature: These securities are held directly by Magnetar SC Fund Ltd. Read SEC document |
| April 15, 2026 Filed Apr 18, 2026 00:35 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 75,886 | $119.34 | $9,056,235.24 |
DisclosureSEC source: 0001104659-26-045065 · tm2612072-1_4seq1.xml · nonDerivative · entry 21 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 8,489,788 F3 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $119.20 to $119.50, inclusive. F4 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity LLC, CW Opportunity 2 LP, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP and Magnetar SC Fund Ltd, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F5 · ownership.nature: Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F6 · ownership.nature: Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F13 · ownership.nature: These securities are held directly by Magnetar Longhorn Fund LP. Read SEC document |
| April 15, 2026 Filed Apr 18, 2026 00:35 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 308,952 | $118.57 | $36,632,438.64 |
DisclosureSEC source: 0001104659-26-045065 · tm2612072-1_4seq1.xml · nonDerivative · entry 20 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 8,565,674 F2 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $118.20 to $119.11, inclusive. F4 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity LLC, CW Opportunity 2 LP, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP and Magnetar SC Fund Ltd, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F5 · ownership.nature: Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F6 · ownership.nature: Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F13 · ownership.nature: These securities are held directly by Magnetar Longhorn Fund LP. Read SEC document |
| April 15, 2026 Filed Apr 18, 2026 00:35 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 23,617 | $117.79 | $2,781,846.43 |
DisclosureSEC source: 0001104659-26-045065 · tm2612072-1_4seq1.xml · nonDerivative · entry 19 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 8,874,626 F1 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $117.06 to $118.00, inclusive. The reporting person undertakes to provide to CoreWeave, Inc. (the "Issuer"), any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote and in footnotes 2 and 3. F4 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity LLC, CW Opportunity 2 LP, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP and Magnetar SC Fund Ltd, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F5 · ownership.nature: Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F6 · ownership.nature: Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F13 · ownership.nature: These securities are held directly by Magnetar Longhorn Fund LP. Read SEC document |
| April 15, 2026 Filed Apr 18, 2026 00:35 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 60,539 | $119.34 | $7,224,724.26 |
DisclosureSEC source: 0001104659-26-045065 · tm2612072-1_4seq1.xml · nonDerivative · entry 18 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 5,990,941 F3 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $119.20 to $119.50, inclusive. F4 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity LLC, CW Opportunity 2 LP, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP and Magnetar SC Fund Ltd, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F5 · ownership.nature: Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F6 · ownership.nature: Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F12 · ownership.nature: These securities are held directly by Magnetar Lake Credit Fund LLC. Read SEC document |
| April 15, 2026 Filed Apr 18, 2026 00:35 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 246,468 | $118.57 | $29,223,710.76 |
DisclosureSEC source: 0001104659-26-045065 · tm2612072-1_4seq1.xml · nonDerivative · entry 17 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 6,051,480 F2 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $118.20 to $119.11, inclusive. F4 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity LLC, CW Opportunity 2 LP, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP and Magnetar SC Fund Ltd, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F5 · ownership.nature: Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F6 · ownership.nature: Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F12 · ownership.nature: These securities are held directly by Magnetar Lake Credit Fund LLC. Read SEC document |
| April 15, 2026 Filed Apr 18, 2026 00:35 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 18,838 | $117.79 | $2,218,928.02 |
DisclosureSEC source: 0001104659-26-045065 · tm2612072-1_4seq1.xml · nonDerivative · entry 16 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 6,297,948 F1 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $117.06 to $118.00, inclusive. The reporting person undertakes to provide to CoreWeave, Inc. (the "Issuer"), any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote and in footnotes 2 and 3. F4 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity LLC, CW Opportunity 2 LP, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP and Magnetar SC Fund Ltd, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F5 · ownership.nature: Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F6 · ownership.nature: Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F12 · ownership.nature: These securities are held directly by Magnetar Lake Credit Fund LLC. Read SEC document |
| April 15, 2026 Filed Apr 18, 2026 00:35 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 44,095 | $119.34 | $5,262,297.30 |
DisclosureSEC source: 0001104659-26-045065 · tm2612072-1_4seq1.xml · nonDerivative · entry 15 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 4,764,033 F3 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $119.20 to $119.50, inclusive. F4 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity LLC, CW Opportunity 2 LP, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP and Magnetar SC Fund Ltd, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F5 · ownership.nature: Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F6 · ownership.nature: Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F11 · ownership.nature: These securities are held directly by Magnetar Constellation Master Fund, Ltd. Read SEC document |
| April 15, 2026 Filed Apr 18, 2026 00:35 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 179,523 | $118.57 | $21,286,042.11 |
DisclosureSEC source: 0001104659-26-045065 · tm2612072-1_4seq1.xml · nonDerivative · entry 14 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 4,808,128 F2 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $118.20 to $119.11, inclusive. F4 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity LLC, CW Opportunity 2 LP, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP and Magnetar SC Fund Ltd, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F5 · ownership.nature: Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F6 · ownership.nature: Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F11 · ownership.nature: These securities are held directly by Magnetar Constellation Master Fund, Ltd. Read SEC document |
| April 15, 2026 Filed Apr 18, 2026 00:35 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 13,721 | $117.79 | $1,616,196.59 |
DisclosureSEC source: 0001104659-26-045065 · tm2612072-1_4seq1.xml · nonDerivative · entry 13 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 4,987,651 F1 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $117.06 to $118.00, inclusive. The reporting person undertakes to provide to CoreWeave, Inc. (the "Issuer"), any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote and in footnotes 2 and 3. F4 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity LLC, CW Opportunity 2 LP, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP and Magnetar SC Fund Ltd, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F5 · ownership.nature: Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F6 · ownership.nature: Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F11 · ownership.nature: These securities are held directly by Magnetar Constellation Master Fund, Ltd. Read SEC document |
| April 15, 2026 Filed Apr 18, 2026 00:35 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 2,048 | $119.34 | $244,408.32 |
DisclosureSEC source: 0001104659-26-045065 · tm2612072-1_4seq1.xml · nonDerivative · entry 12 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 288,486 F3 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $119.20 to $119.50, inclusive. F4 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity LLC, CW Opportunity 2 LP, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP and Magnetar SC Fund Ltd, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F5 · ownership.nature: Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F6 · ownership.nature: Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F10 · ownership.nature: These securities are held directly by Magnetar Capital Master Fund, Ltd. Read SEC document |
| April 15, 2026 Filed Apr 18, 2026 00:35 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 8,340 | $118.58 | $988,957.20 |
DisclosureSEC source: 0001104659-26-045065 · tm2612072-1_4seq1.xml · nonDerivative · entry 11 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 290,534 F2 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $118.20 to $119.11, inclusive. F4 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity LLC, CW Opportunity 2 LP, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP and Magnetar SC Fund Ltd, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F5 · ownership.nature: Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F6 · ownership.nature: Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F10 · ownership.nature: These securities are held directly by Magnetar Capital Master Fund, Ltd. Read SEC document |
| April 15, 2026 Filed Apr 18, 2026 00:35 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 638 | $117.79 | $75,150.02 |
DisclosureSEC source: 0001104659-26-045065 · tm2612072-1_4seq1.xml · nonDerivative · entry 10 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 298,874 F1 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $117.06 to $118.00, inclusive. The reporting person undertakes to provide to CoreWeave, Inc. (the "Issuer"), any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote and in footnotes 2 and 3. F4 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity LLC, CW Opportunity 2 LP, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP and Magnetar SC Fund Ltd, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F5 · ownership.nature: Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F6 · ownership.nature: Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F10 · ownership.nature: These securities are held directly by Magnetar Capital Master Fund, Ltd. Read SEC document |
| April 15, 2026 Filed Apr 18, 2026 00:35 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 19,784 | $119.34 | $2,361,022.56 |
DisclosureSEC source: 0001104659-26-045065 · tm2612072-1_4seq1.xml · nonDerivative · entry 9 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 1,455,014 F3 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $119.20 to $119.50, inclusive. F4 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity LLC, CW Opportunity 2 LP, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP and Magnetar SC Fund Ltd, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F5 · ownership.nature: Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F6 · ownership.nature: Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F9 · ownership.nature: These securities are held directly by Magnetar Alpha Star Fund LLC. Read SEC document |
| April 15, 2026 Filed Apr 18, 2026 00:35 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 80,533 | $118.57 | $9,548,797.81 |
DisclosureSEC source: 0001104659-26-045065 · tm2612072-1_4seq1.xml · nonDerivative · entry 8 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 1,474,798 F2 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $118.20 to $119.11, inclusive. F4 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity LLC, CW Opportunity 2 LP, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP and Magnetar SC Fund Ltd, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F5 · ownership.nature: Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F6 · ownership.nature: Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F9 · ownership.nature: These securities are held directly by Magnetar Alpha Star Fund LLC. Read SEC document |
| April 15, 2026 Filed Apr 18, 2026 00:35 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 6,154 | $117.79 | $724,879.66 |
DisclosureSEC source: 0001104659-26-045065 · tm2612072-1_4seq1.xml · nonDerivative · entry 7 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 1,555,331 F1 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $117.06 to $118.00, inclusive. The reporting person undertakes to provide to CoreWeave, Inc. (the "Issuer"), any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote and in footnotes 2 and 3. F4 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity LLC, CW Opportunity 2 LP, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP and Magnetar SC Fund Ltd, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F5 · ownership.nature: Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F6 · ownership.nature: Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F9 · ownership.nature: These securities are held directly by Magnetar Alpha Star Fund LLC. Read SEC document |
| April 15, 2026 Filed Apr 18, 2026 00:35 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 150,886 | $119.34 | $18,006,735.24 |
DisclosureSEC source: 0001104659-26-045065 · tm2612072-1_4seq1.xml · nonDerivative · entry 6 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 21,288,071 F3 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $119.20 to $119.50, inclusive. F4 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity LLC, CW Opportunity 2 LP, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP and Magnetar SC Fund Ltd, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F5 · ownership.nature: Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F6 · ownership.nature: Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F8 · ownership.nature: These securities are held directly by CW Opportunity LLC. Read SEC document |
| April 15, 2026 Filed Apr 18, 2026 00:35 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 614,287 | $118.57 | $72,836,009.59 |
DisclosureSEC source: 0001104659-26-045065 · tm2612072-1_4seq1.xml · nonDerivative · entry 5 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 21,438,957 F2 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $118.20 to $119.11, inclusive. F4 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity LLC, CW Opportunity 2 LP, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP and Magnetar SC Fund Ltd, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F5 · ownership.nature: Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F6 · ownership.nature: Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F8 · ownership.nature: These securities are held directly by CW Opportunity LLC. Read SEC document |
| April 15, 2026 Filed Apr 18, 2026 00:35 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 46,955 | $117.79 | $5,530,829.45 |
DisclosureSEC source: 0001104659-26-045065 · tm2612072-1_4seq1.xml · nonDerivative · entry 4 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 22,053,244 F1 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $117.06 to $118.00, inclusive. The reporting person undertakes to provide to CoreWeave, Inc. (the "Issuer"), any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote and in footnotes 2 and 3. F4 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity LLC, CW Opportunity 2 LP, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP and Magnetar SC Fund Ltd, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F5 · ownership.nature: Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F6 · ownership.nature: Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F8 · ownership.nature: These securities are held directly by CW Opportunity LLC. Read SEC document |
| April 15, 2026 Filed Apr 18, 2026 00:35 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 48,883 | $119.34 | $5,833,697.22 |
DisclosureSEC source: 0001104659-26-045065 · tm2612072-1_4seq1.xml · nonDerivative · entry 3 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 5,239,380 F3 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $119.20 to $119.50, inclusive. F4 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity LLC, CW Opportunity 2 LP, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP and Magnetar SC Fund Ltd, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F5 · ownership.nature: Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F6 · ownership.nature: Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F7 · ownership.nature: These securities are held directly by CW Opportunity 2 LP. Read SEC document |
| April 15, 2026 Filed Apr 18, 2026 00:35 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 199,009 | $118.57 | $23,596,497.13 |
DisclosureSEC source: 0001104659-26-045065 · tm2612072-1_4seq1.xml · nonDerivative · entry 2 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 5,288,263 F2 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $118.20 to $119.11, inclusive. F4 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity LLC, CW Opportunity 2 LP, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP and Magnetar SC Fund Ltd, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F5 · ownership.nature: Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F6 · ownership.nature: Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F7 · ownership.nature: These securities are held directly by CW Opportunity 2 LP. Read SEC document |
| April 15, 2026 Filed Apr 18, 2026 00:35 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 15,211 | $117.79 | $1,791,703.69 |
DisclosureSEC source: 0001104659-26-045065 · tm2612072-1_4seq1.xml · nonDerivative · entry 1 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 5,487,272 F1 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $117.06 to $118.00, inclusive. The reporting person undertakes to provide to CoreWeave, Inc. (the "Issuer"), any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote and in footnotes 2 and 3. F4 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity LLC, CW Opportunity 2 LP, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP and Magnetar SC Fund Ltd, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F5 · ownership.nature: Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F6 · ownership.nature: Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F7 · ownership.nature: These securities are held directly by CW Opportunity 2 LP. Read SEC document |
| April 15, 2026 Filed Apr 18, 2026 00:36 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 6,715 | $119.34 | $801,368.10 |
DisclosureSEC source: 0001104659-26-045066 · tm2612072-2_4seq1.xml · nonDerivative · entry 9 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 825,894 F3 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $119.20 to $119.50, inclusive. F4 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC, Purpose Alternative Credit Fund - T LLC and Longhorn Special Opportunities Fund LP (collectively, the "Magnetar Funds"). F5 · ownership.nature: Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F6 · ownership.nature: Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F9 · ownership.nature: These securities are held directly by Purpose Alternative Credit Fund - T LLC. Read SEC document |
| April 15, 2026 Filed Apr 18, 2026 00:36 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 27,329 | $118.57 | $3,240,399.53 |
DisclosureSEC source: 0001104659-26-045066 · tm2612072-2_4seq1.xml · nonDerivative · entry 8 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 832,609 F2 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $118.20 to $119.11, inclusive. F4 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC, Purpose Alternative Credit Fund - T LLC and Longhorn Special Opportunities Fund LP (collectively, the "Magnetar Funds"). F5 · ownership.nature: Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F6 · ownership.nature: Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F9 · ownership.nature: These securities are held directly by Purpose Alternative Credit Fund - T LLC. Read SEC document |
| April 15, 2026 Filed Apr 18, 2026 00:36 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 2,087 | $117.79 | $245,827.73 |
DisclosureSEC source: 0001104659-26-045066 · tm2612072-2_4seq1.xml · nonDerivative · entry 7 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 859,938 F1 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $117.06 to $118.00, inclusive. The reporting person undertakes to provide to CoreWeave, Inc. (the "Issuer"), any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote and in footnotes 2 and 3. F4 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC, Purpose Alternative Credit Fund - T LLC and Longhorn Special Opportunities Fund LP (collectively, the "Magnetar Funds"). F5 · ownership.nature: Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F6 · ownership.nature: Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F9 · ownership.nature: These securities are held directly by Purpose Alternative Credit Fund - T LLC. Read SEC document |
| April 15, 2026 Filed Apr 18, 2026 00:36 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 32,049 | $119.34 | $3,824,727.66 |
DisclosureSEC source: 0001104659-26-045066 · tm2612072-2_4seq1.xml · nonDerivative · entry 6 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 2,821,273 F3 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $119.20 to $119.50, inclusive. F4 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC, Purpose Alternative Credit Fund - T LLC and Longhorn Special Opportunities Fund LP (collectively, the "Magnetar Funds"). F5 · ownership.nature: Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F6 · ownership.nature: Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F8 · ownership.nature: These securities are held directly by Purpose Alternative Credit Fund - F LLC. Read SEC document |
| April 15, 2026 Filed Apr 18, 2026 00:36 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 130,474 | $118.57 | $15,470,302.18 |
DisclosureSEC source: 0001104659-26-045066 · tm2612072-2_4seq1.xml · nonDerivative · entry 5 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 2,853,322 F2 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $118.20 to $119.11, inclusive. F4 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC, Purpose Alternative Credit Fund - T LLC and Longhorn Special Opportunities Fund LP (collectively, the "Magnetar Funds"). F5 · ownership.nature: Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F6 · ownership.nature: Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F8 · ownership.nature: These securities are held directly by Purpose Alternative Credit Fund - F LLC. Read SEC document |
| April 15, 2026 Filed Apr 18, 2026 00:36 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 9,974 | $117.79 | $1,174,837.46 |
DisclosureSEC source: 0001104659-26-045066 · tm2612072-2_4seq1.xml · nonDerivative · entry 4 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 2,983,796 F1 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $117.06 to $118.00, inclusive. The reporting person undertakes to provide to CoreWeave, Inc. (the "Issuer"), any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote and in footnotes 2 and 3. F4 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC, Purpose Alternative Credit Fund - T LLC and Longhorn Special Opportunities Fund LP (collectively, the "Magnetar Funds"). F5 · ownership.nature: Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F6 · ownership.nature: Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F8 · ownership.nature: These securities are held directly by Purpose Alternative Credit Fund - F LLC. Read SEC document |
| April 15, 2026 Filed Apr 18, 2026 00:36 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 39,783 | $119.34 | $4,747,703.22 |
DisclosureSEC source: 0001104659-26-045066 · tm2612072-2_4seq1.xml · nonDerivative · entry 3 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 2,941,049 F3 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $119.20 to $119.50, inclusive. F4 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC, Purpose Alternative Credit Fund - T LLC and Longhorn Special Opportunities Fund LP (collectively, the "Magnetar Funds"). F5 · ownership.nature: Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F6 · ownership.nature: Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F7 · ownership.nature: These securities are held directly by Magnetar Xing He Master Fund Ltd. Read SEC document |
| April 15, 2026 Filed Apr 18, 2026 00:36 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 161,969 | $118.57 | $19,204,664.33 |
DisclosureSEC source: 0001104659-26-045066 · tm2612072-2_4seq1.xml · nonDerivative · entry 2 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 2,980,832 F2 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $118.20 to $119.11, inclusive. F4 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC, Purpose Alternative Credit Fund - T LLC and Longhorn Special Opportunities Fund LP (collectively, the "Magnetar Funds"). F5 · ownership.nature: Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F6 · ownership.nature: Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F7 · ownership.nature: These securities are held directly by Magnetar Xing He Master Fund Ltd. Read SEC document |
Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.