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HORIZON KINETICS ASSET MANAGEMENT LLC

Disclosed activity across 4 companies

Tapewire entity
134
SEC CIK
0001056823

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
RENN Fund, Inc.RCG · Entity 20910% ownerSeptember 28, 2026September 29, 2026
TEXAS PACIFIC LAND TRUSTTPL · Entity 14391710% ownerJanuary 08, 2021January 12, 2021
Texas Pacific Land CorpTPL · Entity 13310% ownerSeptember 29, 2026October 01, 2026

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

RENN Fund, Inc.

Report date September 28, 2026 · Filed September 29, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect975,000 Reported balance After 2026-09-28 transaction · row 1 Account or security details depend on footnotes; rows are not merged.
1 source row

Row 1 · 2026-09-28 · Purchase · Acquired 756 · Balance 975,000

F1: Horizon Kinetics Asset Management LLC, a Delaware limited liability company and wholly owned subsidiary of Horizon Kinetics Holding Corporation, serves as the investment adviser to the Issuer and has a pecuniary interest in shares held in various accounts that it manages.

Filing footnotes · ownership attribution and instrument terms

F1: Horizon Kinetics Asset Management LLC, a Delaware limited liability company and wholly owned subsidiary of Horizon Kinetics Holding Corporation, serves as the investment adviser to the Issuer and has a pecuniary interest in shares held in various accounts that it manages.

TEXAS PACIFIC LAND TRUST

Report date January 08, 2021 · Filed January 12, 2021

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect281,710 Reported balance After 2021-01-08 transaction · row 1 Account or security details depend on footnotes; rows are not merged.
1 source row

Row 1 · 2021-01-08 · Purchase · Acquired 44 · Balance 281,710

F1: The amount reported as held following the transaction excludes approximately 1,320,740 shares as of December 11, 2020 for which the Investment Manager does not have a pecuniary interest and also excludes shares purchased by portfolio managers and other employees of the firm for their personal accounts.

Filing footnotes · ownership attribution and instrument terms

F1: The amount reported as held following the transaction excludes approximately 1,320,740 shares as of December 11, 2020 for which the Investment Manager does not have a pecuniary interest and also excludes shares purchased by portfolio managers and other employees of the firm for their personal accounts.

Texas Pacific Land Corp

Report date September 29, 2026 · Filed October 01, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect3,364,203 Reported balance After 2026-09-29 transaction · row 1 Account or security details depend on footnotes; rows are not merged.
1 source row

Row 1 · 2026-09-29 · Purchase · Acquired 4 · Balance 3,364,203

F1: On May 7, 2026, Horizon Kinetics Asset Management LLC ("HKAM") filed an amendment to its Schedule 13D wherein it reported beneficial ownership of 10,109,933 shares. The extent of HKAM's pecuniary interest in the shares reported in the Schedule 13D is disclosed herein.

F2: The change represents a reduction of 26,657 shares delivered without consideration as part of a client in-kind redemption.

Filing footnotes · ownership attribution and instrument terms

F1: On May 7, 2026, Horizon Kinetics Asset Management LLC ("HKAM") filed an amendment to its Schedule 13D wherein it reported beneficial ownership of 10,109,933 shares. The extent of HKAM's pecuniary interest in the shares reported in the Schedule 13D is disclosed herein.

F2: The change represents a reduction of 26,657 shares delivered without consideration as part of a client in-kind redemption.

Past disclosures · reporting ended (1)

No longer tracked through insider filings. These historical balances do not imply present ownership or a zero position.

MIAMI INTERNATIONAL HOLDINGS, INC.

Report date May 19, 2026 · Filed May 21, 2026

Section 16 reporting ended · disclosed 2026-05-21. Current position is not established by this disclosure.

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeIndirectHorizon Kinetics Asset Management LLC2,170,898 Reported balance After 2026-05-19 transaction · row 1 Account identity is unresolved; indirect or unspecified ownership is not merged.
1 source row

Row 1 · 2026-05-19 · Other · Disposed 2,455,744 · Balance 2,170,898

F1: On May 21, 2026, Horizon Kinetics Asset Management LLC ("HKAM") filed an amendment to its Schedule 13D wherein it reported beneficial ownership of 7,400,316 shares or 7.8 percent of the outstanding shares of the Issuer. The extent of HKAM's pecuniary interest in the shares reported in the Schedule 13D are disclosed herein.

F2: The change represents a reduction of 2,455,744 shares that were distributed in-kind on a pro rata basis, without consideration.

F3: This amount reflects a reduction of 7,200 shares that were held in an account for which the Reporting Person no longer has a pecuniary interest.

Filing footnotes · ownership attribution and instrument terms

F1: On May 21, 2026, Horizon Kinetics Asset Management LLC ("HKAM") filed an amendment to its Schedule 13D wherein it reported beneficial ownership of 7,400,316 shares or 7.8 percent of the outstanding shares of the Issuer. The extent of HKAM's pecuniary interest in the shares reported in the Schedule 13D are disclosed herein.

F2: The change represents a reduction of 2,455,744 shares that were distributed in-kind on a pro rata basis, without consideration.

F3: This amount reflects a reduction of 7,200 shares that were held in an account for which the Reporting Person no longer has a pecuniary interest.

Transaction history

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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 dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
April 17, 2026 Filed Apr 20, 2026 15:53 UTC Texas Pacific Land Corp TPL · Entity 133 PurchaseCommon Stock 1 $419.94 $419.94
Disclosure

SEC source: 0001437749-26-012789 · rdgdoc.xml · nonDerivative · entry 1

HORIZON KINETICS ASSET MANAGEMENT LLC · CIK 0001056823 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,435,499

F1 · balance_after: On April 13, 2026, Horizon Kinetics Asset Management LLC ("HKAM") filed an amendment to its Schedule 13D wherein it reported beneficial ownership of 9,974,556 shares. The extent of HKAM's pecuniary interest in the shares reported in the Schedule 13D are disclosed herein

Read SEC document
April 16, 2026 Filed Apr 17, 2026 15:50 UTC Texas Pacific Land Corp TPL · Entity 133 PurchaseCommon Stock 1 $424.47 $424.47
Disclosure

SEC source: 0001437749-26-012652 · rdgdoc.xml · nonDerivative · entry 1

HORIZON KINETICS ASSET MANAGEMENT LLC · CIK 0001056823 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,435,498

F1 · balance_after: On April 13, 2026, Horizon Kinetics Asset Management LLC ("HKAM") filed an amendment to its Schedule 13D wherein it reported beneficial ownership of 9,974,556 shares. The extent of HKAM's pecuniary interest in the shares reported in the Schedule 13D are disclosed herein

Read SEC document
April 15, 2026 Filed Apr 16, 2026 17:18 UTC Texas Pacific Land Corp TPL · Entity 133 PurchaseCommon Stock 1 $419.26 $419.26
Disclosure

SEC source: 0001437749-26-012532 · rdgdoc.xml · nonDerivative · entry 1

HORIZON KINETICS ASSET MANAGEMENT LLC · CIK 0001056823 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,435,497

F1 · balance_after: On April 13, 2026, Horizon Kinetics Asset Management LLC ("HKAM") filed an amendment to its Schedule 13D wherein it reported beneficial ownership of 9,974,556 shares. The extent of HKAM's pecuniary interest in the shares reported in the Schedule 13D are disclosed herein

Read SEC document
April 14, 2026 Filed Apr 15, 2026 15:41 UTC Texas Pacific Land Corp TPL · Entity 133 PurchaseCommon Stock 1 $413.96 $413.96
Disclosure

SEC source: 0001437749-26-012326 · rdgdoc.xml · nonDerivative · entry 1

HORIZON KINETICS ASSET MANAGEMENT LLC · CIK 0001056823 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,435,496

F1 · balance_after: On April 13, 2026, Horizon Kinetics Asset Management LLC ("HKAM") filed an amendment to its Schedule 13D wherein it reported beneficial ownership of 9,974,556 shares. The extent of HKAM's pecuniary interest in the shares reported in the Schedule 13D are disclosed herein

Read SEC document
April 13, 2026 Filed Apr 14, 2026 16:29 UTC Texas Pacific Land Corp TPL · Entity 133 PurchaseCommon Stock 1 $414.88 $414.88
Disclosure

SEC source: 0001437749-26-012212 · rdgdoc.xml · nonDerivative · entry 1

HORIZON KINETICS ASSET MANAGEMENT LLC · CIK 0001056823 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,435,495

F1 · balance_after: On April 13, 2026, Horizon Kinetics Asset Management LLC ("HKAM") filed an amendment to its Schedule 13D wherein it reported beneficial ownership of 9,974,556 shares. The extent of HKAM's pecuniary interest in the shares reported in the Schedule 13D are disclosed herein.

Read SEC document
April 10, 2026 Filed Apr 13, 2026 15:31 UTC Texas Pacific Land Corp TPL · Entity 133 PurchaseCommon Stock 1 $407.06 $407.06
Disclosure

SEC source: 0001437749-26-012106 · rdgdoc.xml · nonDerivative · entry 1

HORIZON KINETICS ASSET MANAGEMENT LLC · CIK 0001056823 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,435,494

F1 · balance_after: On March 26, 2026, Horizon Kinetics Asset Management LLC ("HKAM") filed an amendment to its Schedule 13D wherein it reported beneficial ownership of 10,050,070 shares. The extent of HKAM's pecuniary interest in the shares reported in the Schedule 13D are disclosed herein.

Read SEC document
April 09, 2026 Filed Apr 10, 2026 20:23 UTC Texas Pacific Land Corp TPL · Entity 133 PurchaseCommon Stock 1 $401.64 $401.64
Disclosure

SEC source: 0001437749-26-012037 · rdgdoc.xml · nonDerivative · entry 1

HORIZON KINETICS ASSET MANAGEMENT LLC · CIK 0001056823 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,435,493

F1 · balance_after: On March 26, 2026, Horizon Kinetics Asset Management LLC ("HKAM") filed an amendment to its Schedule 13D wherein it reported beneficial ownership of 10,050,070 shares. The extent of HKAM's pecuniary interest in the shares reported in the Schedule 13D are disclosed herein.

Read SEC document
April 08, 2026 Filed Apr 9, 2026 18:37 UTC Texas Pacific Land Corp TPL · Entity 133 PurchaseCommon Stock 3 $449.00 $1,347.00
Disclosure

SEC source: 0001437749-26-011877 · rdgdoc.xml · nonDerivative · entry 1

HORIZON KINETICS ASSET MANAGEMENT LLC · CIK 0001056823 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,435,492

F1 · balance_after: On March 26, 2026, Horizon Kinetics Asset Management LLC ("HKAM") filed an amendment to its Schedule 13D wherein it reported beneficial ownership of 10,050,070 shares. The extent of HKAM'specuniary interest in the shares reported in the Schedule 13D are disclosed herein.

Read SEC document
April 07, 2026 Filed Apr 9, 2026 21:19 UTC RENN Fund, Inc. RCG · Entity 209 PurchaseCommon Stock 82 $3.24 $265.68
Disclosure

SEC source: 0001437749-26-011925 · primary_doc.xml · nonDerivative · entry 7

STAHL MURRAY · CIK 0001207097 · President/Co-Portfolio Manager · 10% owner

HORIZON KINETICS ASSET MANAGEMENT LLC · CIK 0001056823 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · Horizon Kinetics Asset Management LLC

Disclosed balance after: 68,598

F2 · balance_after: This figure does not include 160,688 shares held directly by Mr. Stahl.

F3 · balance_after: For each indirect account, Mr. Stahl disclaims beneficial ownership except to the extent of his pecuniary interest, if any.

Read SEC document
April 07, 2026 Filed Apr 9, 2026 21:19 UTC RENN Fund, Inc. RCG · Entity 209 PurchaseCommon Stock 18 $3.24 $58.32
Disclosure

SEC source: 0001437749-26-011925 · primary_doc.xml · nonDerivative · entry 6

STAHL MURRAY · CIK 0001207097 · President/Co-Portfolio Manager · 10% owner

HORIZON KINETICS ASSET MANAGEMENT LLC · CIK 0001056823 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · Horizon Kinetics Hard Assets LLC

Disclosed balance after: 12,060

F2 · balance_after: This figure does not include 160,688 shares held directly by Mr. Stahl.

F3 · balance_after: For each indirect account, Mr. Stahl disclaims beneficial ownership except to the extent of his pecuniary interest, if any.

Read SEC document
April 07, 2026 Filed Apr 9, 2026 21:19 UTC RENN Fund, Inc. RCG · Entity 209 PurchaseCommon Stock 296 $3.24 $959.04
Disclosure

SEC source: 0001437749-26-011925 · primary_doc.xml · nonDerivative · entry 5

STAHL MURRAY · CIK 0001207097 · President/Co-Portfolio Manager · 10% owner

HORIZON KINETICS ASSET MANAGEMENT LLC · CIK 0001056823 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · Horizon Common Inc.

Disclosed balance after: 367,858

F2 · balance_after: This figure does not include 160,688 shares held directly by Mr. Stahl.

F3 · balance_after: For each indirect account, Mr. Stahl disclaims beneficial ownership except to the extent of his pecuniary interest, if any.

Read SEC document
April 07, 2026 Filed Apr 9, 2026 21:19 UTC RENN Fund, Inc. RCG · Entity 209 PurchaseCommon Stock 180 $3.24 $583.20
Disclosure

SEC source: 0001437749-26-011925 · primary_doc.xml · nonDerivative · entry 4

STAHL MURRAY · CIK 0001207097 · President/Co-Portfolio Manager · 10% owner

HORIZON KINETICS ASSET MANAGEMENT LLC · CIK 0001056823 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · FRMO Corp.

Disclosed balance after: 323,360

F2 · balance_after: This figure does not include 160,688 shares held directly by Mr. Stahl.

F3 · balance_after: For each indirect account, Mr. Stahl disclaims beneficial ownership except to the extent of his pecuniary interest, if any.

Read SEC document
April 07, 2026 Filed Apr 9, 2026 21:19 UTC RENN Fund, Inc. RCG · Entity 209 PurchaseCommon Stock 180 $3.24 $583.20
Disclosure

SEC source: 0001437749-26-011925 · primary_doc.xml · nonDerivative · entry 3

STAHL MURRAY · CIK 0001207097 · President/Co-Portfolio Manager · 10% owner

HORIZON KINETICS ASSET MANAGEMENT LLC · CIK 0001056823 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · Fromex Equity Corp.

Disclosed balance after: 138,108

F2 · balance_after: This figure does not include 160,688 shares held directly by Mr. Stahl.

F3 · balance_after: For each indirect account, Mr. Stahl disclaims beneficial ownership except to the extent of his pecuniary interest, if any.

Read SEC document
April 07, 2026 Filed Apr 9, 2026 21:19 UTC RENN Fund, Inc. RCG · Entity 209 PurchaseCommon Stock 18 $3.24 $58.32
Disclosure

SEC source: 0001437749-26-011925 · primary_doc.xml · nonDerivative · entry 2

STAHL MURRAY · CIK 0001207097 · President/Co-Portfolio Manager · 10% owner

HORIZON KINETICS ASSET MANAGEMENT LLC · CIK 0001056823 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · Spouse

Disclosed balance after: 5,984

F2 · balance_after: This figure does not include 160,688 shares held directly by Mr. Stahl.

Read SEC document
April 07, 2026 Filed Apr 9, 2026 21:19 UTC RENN Fund, Inc. RCG · Entity 209 PurchaseCommon Stock 360 $3.24 $1,166.40
Disclosure

SEC source: 0001437749-26-011925 · primary_doc.xml · nonDerivative · entry 1

STAHL MURRAY · CIK 0001207097 · President/Co-Portfolio Manager · 10% owner

HORIZON KINETICS ASSET MANAGEMENT LLC · CIK 0001056823 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 160,688

F1 · ownership.direct: On April 7, 2026, Mr. Stahl, a co-manager of the Issuer, passed away unexpectedly. As such, shares that are owned directly by Mr. Stahl and his wife are no longer subject to Section 16 reporting and will not be included in future filings.

Read SEC document
April 07, 2026 Filed Apr 9, 2026 17:53 UTC Texas Pacific Land Corp TPL · Entity 133 PurchaseCommon Stock 1 $447.12 $447.12
Disclosure

SEC source: 0001437749-26-011865 · rdgdoc.xml · nonDerivative · entry 1

HORIZON KINETICS ASSET MANAGEMENT LLC · CIK 0001056823 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,435,489

F1 · balance_after: On March 26, 2026, Horizon Kinetics Asset Management LLC ("HKAM") filed an amendment to its Schedule 13D wherein it reported beneficial ownership of 10,050,070 shares. The extent of HKAM's pecuniary interest in the shares reported in the Schedule 13D are disclosed herein. On April 7, 2026, Mr. Stahl, a director of the Issuer, passed away unexpectedly. As such, the total figure reported has been reduced by 25,808 shares that were owned directly by Mr. Stahl and his wife and are no longer subject to Section 16 reporting.

Read SEC document
April 06, 2026 Filed Apr 7, 2026 17:42 UTC Texas Pacific Land Corp TPL · Entity 133 PurchaseCommon Stock 1 $443.42 $443.42
Disclosure

SEC source: 0001437749-26-011574 · rdgdoc.xml · nonDerivative · entry 1

HORIZON KINETICS ASSET MANAGEMENT LLC · CIK 0001056823 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,461,296

F1 · balance_after: On March 26, 2026, Horizon Kinetics Asset Management LLC ("HKAM") filed an amendment to its Schedule 13D wherein it reported beneficial ownership of 10,050,070 shares, including Murray Stahl's direct ownership of approximately 24,728 shares and his indirect ownership of approximately 277,326 shares. The extent of HKAM's pecuniary interest in the shares reported in the Schedule 13D are disclosed herein. Mr. Stahl, who serves as a director of the Issuer, does not exercise investment discretion with respect to the securities of the Issuer.

F2 · balance_after: The change represents a reduction of 49 shares delivered without consideration as part of a client in-kind redemption.

Read SEC document
April 02, 2026 Filed Apr 6, 2026 18:44 UTC Texas Pacific Land Corp TPL · Entity 133 PurchaseCommon Stock 1 $443.26 $443.26
Disclosure

SEC source: 0001437749-26-011355 · rdgdoc.xml · nonDerivative · entry 1

HORIZON KINETICS ASSET MANAGEMENT LLC · CIK 0001056823 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,461,344

F1 · balance_after: On March 26, 2026, Horizon Kinetics Asset Management LLC ("HKAM") filed an amendment to its Schedule 13D wherein it reported beneficial ownership of 10,050,070 shares, including Murray Stahl's direct ownership of approximately 24,728 shares and his indirect ownership of approximately 277,326 shares. The extent of HKAM's pecuniary interest in the shares reported in the Schedule 13D are disclosed herein. Mr. Stahl, who serves as a director of the Issuer, does not exercise investment discretion with respect to the securities of the Issuer.

Read SEC document
April 01, 2026 Filed Apr 2, 2026 17:46 UTC Texas Pacific Land Corp TPL · Entity 133 PurchaseCommon Stock 1 $454.04 $454.04
Disclosure

SEC source: 0001437749-26-011053 · rdgdoc.xml · nonDerivative · entry 1

HORIZON KINETICS ASSET MANAGEMENT LLC · CIK 0001056823 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,461,343

F1 · balance_after: On March 26, 2026, Horizon Kinetics Asset Management LLC ("HKAM") filed an amendment to its Schedule 13D wherein it reported beneficial ownership of 10,050,070 shares, including Murray Stahl's direct ownership of approximately 24,728 shares and his indirect ownership of approximately 277,326 shares. The extent of HKAM's pecuniary interest in the shares reported in the Schedule 13D are disclosed herein. Mr. Stahl, who serves as a director of the Issuer, does not exercise investment discretion with respect to the securities of the Issuer.

F2 · balance_after: The change represents a reduction of 6,595 shares delivered without consideration as part of a client in-kind redemption.

Read SEC document
March 31, 2026 Filed Apr 1, 2026 15:49 UTC Texas Pacific Land Corp TPL · Entity 133 PurchaseCommon Stock 1 $470.18 $470.18
Disclosure

SEC source: 0001437749-26-010837 · rdgdoc.xml · nonDerivative · entry 1

HORIZON KINETICS ASSET MANAGEMENT LLC · CIK 0001056823 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,467,937

F1 · balance_after: On March 26, 2026, Horizon Kinetics Asset Management LLC ("HKAM") filed an amendment to its Schedule 13D wherein it reported beneficial ownership of 10,050,070 shares, including Murray Stahl's direct ownership of approximately 24,728 shares and his indirect ownership of approximately 277,326 shares. The extent of HKAM's pecuniary interest in the shares reported in the Schedule 13D are disclosed herein. Mr. Stahl, who serves as a director of the Issuer, does not exercise investment discretion with respect to the securities of the Issuer.

Read SEC document
March 30, 2026 Filed Mar 31, 2026 15:34 UTC Texas Pacific Land Corp TPL · Entity 133 PurchaseCommon Stock 1 $494.25 $494.25
Disclosure

SEC source: 0001437749-26-010558 · rdgdoc.xml · nonDerivative · entry 1

HORIZON KINETICS ASSET MANAGEMENT LLC · CIK 0001056823 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,467,936

F1 · balance_after: On March 26, 2026, Horizon Kinetics Asset Management LLC ("HKAM") filed an amendment to its Schedule 13D wherein it reported beneficial ownership of 10,050,070 shares, including Murray Stahl's direct ownership of approximately 24,728 shares and his indirect ownership of approximately 277,326 shares. The extent of HKAM's pecuniary interest in the shares reported in the Schedule 13D are disclosed herein. Mr. Stahl, who serves as a director of the Issuer, does not exercise investment discretion with respect to the securities of the Issuer.

Read SEC document
March 27, 2026 Filed Mar 30, 2026 19:51 UTC Texas Pacific Land Corp TPL · Entity 133 PurchaseCommon Stock 1 $518.21 $518.21
Disclosure

SEC source: 0001437749-26-010291 · rdgdoc.xml · nonDerivative · entry 2

HORIZON KINETICS ASSET MANAGEMENT LLC · CIK 0001056823 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,467,935

F1 · balance_after: On March 26, 2026, Horizon Kinetics Asset Management LLC ("HKAM") filed an amendment to its Schedule 13D wherein it reported beneficial ownership of 10,050,070 shares, including Murray Stahl's direct ownership of approximately 24,728 shares and his indirect ownership of approximately 277,326 shares. The extent of HKAM's pecuniary interest in the shares reported in the Schedule 13D are disclosed herein. Mr. Stahl, who serves as a director of the Issuer, does not exercise investment discretion with respect to the securities of the Issuer.

Read SEC document
March 26, 2026 Filed Mar 30, 2026 19:51 UTC Texas Pacific Land Corp TPL · Entity 133 PurchaseCommon Stock 1 $526.13 $526.13
Disclosure

SEC source: 0001437749-26-010291 · rdgdoc.xml · nonDerivative · entry 1

HORIZON KINETICS ASSET MANAGEMENT LLC · CIK 0001056823 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,467,934

F1 · balance_after: On March 26, 2026, Horizon Kinetics Asset Management LLC ("HKAM") filed an amendment to its Schedule 13D wherein it reported beneficial ownership of 10,050,070 shares, including Murray Stahl's direct ownership of approximately 24,728 shares and his indirect ownership of approximately 277,326 shares. The extent of HKAM's pecuniary interest in the shares reported in the Schedule 13D are disclosed herein. Mr. Stahl, who serves as a director of the Issuer, does not exercise investment discretion with respect to the securities of the Issuer.

Read SEC document
March 25, 2026 Filed Mar 26, 2026 18:49 UTC Texas Pacific Land Corp TPL · Entity 133 PurchaseCommon Stock 1 $538.37 $538.37
Disclosure

SEC source: 0001437749-26-009926 · rdgdoc.xml · nonDerivative · entry 1

HORIZON KINETICS ASSET MANAGEMENT LLC · CIK 0001056823 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,467,933

F1 · balance_after: On December 18, 2024, Horizon Kinetics Asset Management LLC (HKAM) filed an amendment to its Schedule 13D, in which it noted beneficial ownership of 3,578,173 shares and Murray Stahl's direct interest in 7,848 shares and his indirect interest in approximately 156,083 shares. The extent of HKAM's pecuniary interest in the shares beneficially owned is disclosed herein and reflects a three-for-one stock split effective December 22, 2025. Mr. Stahl does not exercise investment discretion with respect to the securities of the Issuer.

Read SEC document
March 24, 2026 Filed Mar 25, 2026 19:40 UTC Texas Pacific Land Corp TPL · Entity 133 PurchaseCommon Stock 1 $534.94 $534.94
Disclosure

SEC source: 0001437749-26-009772 · rdgdoc.xml · nonDerivative · entry 1

HORIZON KINETICS ASSET MANAGEMENT LLC · CIK 0001056823 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,467,932

F1 · balance_after: On December 18, 2024, Horizon Kinetics Asset Management LLC (HKAM) filed an amendment to its Schedule 13D, in which it noted beneficial ownership of 3,578,173 shares and Murray Stahl's direct interest in 7,848 shares and his indirect interest in approximately 156,083 shares. The extent of HKAM's pecuniary interest in the shares beneficially owned is disclosed herein and reflects a three-for-one stock split effective December 22, 2025. Mr. Stahl does not exercise investment discretion with respect to the securities of the Issuer.

Read SEC document
March 23, 2026 Filed Mar 24, 2026 18:20 UTC Texas Pacific Land Corp TPL · Entity 133 PurchaseCommon Stock 1 $529.07 $529.07
Disclosure

SEC source: 0001437749-26-009551 · rdgdoc.xml · nonDerivative · entry 1

HORIZON KINETICS ASSET MANAGEMENT LLC · CIK 0001056823 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,467,931

F1 · balance_after: On December 18, 2024, Horizon Kinetics Asset Management LLC (HKAM) filed an amendment to its Schedule 13D, in which it noted beneficial ownership of 3,578,173 shares and Murray Stahl's direct interest in 7,848 shares and his indirect interest in approximately 156,083 shares. The extent of HKAM's pecuniary interest in the shares beneficially owned is disclosed herein and reflects a three-for-one stock split effective December 22, 2025. Mr. Stahl does not exercise investment discretion with respect to the securities of the Issuer.

Read SEC document
March 20, 2026 Filed Mar 23, 2026 15:42 UTC Texas Pacific Land Corp TPL · Entity 133 PurchaseCommon Stock 1 $533.81 $533.81
Disclosure

SEC source: 0001437749-26-009339 · rdgdoc.xml · nonDerivative · entry 1

HORIZON KINETICS ASSET MANAGEMENT LLC · CIK 0001056823 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,467,930

F1 · balance_after: On December 18, 2024, Horizon Kinetics Asset Management LLC (HKAM) filed an amendment to its Schedule 13D, in which it noted beneficial ownership of 3,578,173 shares and Murray Stahl's direct interest in 7,848 shares and his indirect interest in approximately 156,083 shares. The extent of HKAM's pecuniary interest in the shares beneficially owned is disclosed herein and reflects a three-for-one stock split effective December 22, 2025. Mr. Stahl does not exercise investment discretion with respect to the securities of the Issuer.

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March 19, 2026 Filed Mar 20, 2026 16:33 UTC Texas Pacific Land Corp TPL · Entity 133 PurchaseCommon Stock 1 $527.28 $527.28
Disclosure

SEC source: 0001437749-26-009167 · rdgdoc.xml · nonDerivative · entry 1

HORIZON KINETICS ASSET MANAGEMENT LLC · CIK 0001056823 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,467,929

F1 · balance_after: On December 18, 2024, Horizon Kinetics Asset Management LLC (HKAM) filed an amendment to its Schedule 13D, in which it noted beneficial ownership of 3,578,173 shares and Murray Stahl's direct interest in 7,848 shares and his indirect interest in approximately 156,083 shares. The extent of HKAM's pecuniary interest in the shares beneficially owned is disclosed herein and reflects a three-for-one stock split effective December 22, 2025. Mr. Stahl does not exercise investment discretion with respect to the securities of the Issuer.

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March 18, 2026 Filed Mar 19, 2026 15:47 UTC Texas Pacific Land Corp TPL · Entity 133 PurchaseCommon Stock 1 $531.96 $531.96
Disclosure

SEC source: 0001437749-26-008973 · rdgdoc.xml · nonDerivative · entry 1

HORIZON KINETICS ASSET MANAGEMENT LLC · CIK 0001056823 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,467,928

F1 · balance_after: On December 18, 2024, Horizon Kinetics Asset Management LLC (HKAM) filed an amendment to its Schedule 13D, in which it noted beneficial ownership of 3,578,173 shares and Murray Stahl's direct interest in 7,848 shares and his indirect interest in approximately 156,083 shares. The extent of HKAM's pecuniary interest in the shares beneficially owned is disclosed herein and reflects a three-for-one stock split effective December 22, 2025. Mr. Stahl does not exercise investment discretion with respect to the securities of the Issuer.

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March 17, 2026 Filed Mar 18, 2026 16:52 UTC Texas Pacific Land Corp TPL · Entity 133 PurchaseCommon Stock 1 $525.47 $525.47
Disclosure

SEC source: 0001437749-26-008791 · rdgdoc.xml · nonDerivative · entry 1

HORIZON KINETICS ASSET MANAGEMENT LLC · CIK 0001056823 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,467,927

F1 · balance_after: On December 18, 2024, Horizon Kinetics Asset Management LLC (HKAM) filed an amendment to its Schedule 13D, in which it noted beneficial ownership of 3,578,173 shares and Murray Stahl's direct interest in 7,848 shares and his indirect interest in approximately 156,083 shares. The extent of HKAM's pecuniary interest in the shares beneficially owned is disclosed herein and reflects a three-for-one stock split effective December 22, 2025. Mr. Stahl does not exercise investment discretion with respect to the securities of the Issuer.

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March 16, 2026 Filed Mar 17, 2026 15:22 UTC Texas Pacific Land Corp TPL · Entity 133 PurchaseCommon Stock 1 $524.58 $524.58
Disclosure

SEC source: 0001437749-26-008527 · rdgdoc.xml · nonDerivative · entry 1

HORIZON KINETICS ASSET MANAGEMENT LLC · CIK 0001056823 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,467,926

F1 · balance_after: On December 18, 2024, Horizon Kinetics Asset Management LLC (HKAM) filed an amendment to its Schedule 13D, in which it noted beneficial ownership of 3,578,173 shares and Murray Stahl's direct interest in 7,848 shares and his indirect interest in approximately 156,083 shares. The extent of HKAM's pecuniary interest in the shares beneficially owned is disclosed herein and reflects a three-for-one stock split effective December 22, 2025. Mr. Stahl does not exercise investment discretion with respect to the securities of the Issuer.

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March 13, 2026 Filed Mar 16, 2026 16:51 UTC Texas Pacific Land Corp TPL · Entity 133 PurchaseCommon Stock 1 $529.10 $529.10
Disclosure

SEC source: 0001437749-26-008358 · rdgdoc.xml · nonDerivative · entry 1

HORIZON KINETICS ASSET MANAGEMENT LLC · CIK 0001056823 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,467,925

F1 · balance_after: On December 18, 2024, Horizon Kinetics Asset Management LLC (HKAM) filed an amendment to its Schedule 13D, in which it noted beneficial ownership of 3,578,173 shares and Murray Stahl's direct interest in 7,848 shares and his indirect interest in approximately 156,083 shares. The extent of HKAM's pecuniary interest in the shares beneficially owned is disclosed herein and reflects a three-for-one stock split effective December 22, 2025. Mr. Stahl does not exercise investment discretion with respect to the securities of the Issuer.

F2 · balance_after: The change represents a reduction of 1,190 shares delivered without consideration as part of a client in-kind redemption.

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March 12, 2026 Filed Mar 13, 2026 14:45 UTC Texas Pacific Land Corp TPL · Entity 133 PurchaseCommon Stock 1 $532.02 $532.02
Disclosure

SEC source: 0001437749-26-008086 · rdgdoc.xml · nonDerivative · entry 1

HORIZON KINETICS ASSET MANAGEMENT LLC · CIK 0001056823 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,469,114

F1 · balance_after: On December 18, 2024, Horizon Kinetics Asset Management LLC (HKAM) filed an amendment to its Schedule 13D, in which it noted beneficial ownership of 3,578,173 shares and Murray Stahl's direct interest in 7,848 shares and his indirect interest in approximately 156,083 shares. The extent of HKAM's pecuniary interest in the shares beneficially owned is disclosed herein and reflects a three-for-one stock split effective December 22, 2025. Mr. Stahl does not exercise investment discretion with respect to the securities of the Issuer.

Read SEC document
March 11, 2026 Filed Mar 12, 2026 15:40 UTC Texas Pacific Land Corp TPL · Entity 133 PurchaseCommon Stock 1 $523.28 $523.28
Disclosure

SEC source: 0001437749-26-007863 · rdgdoc.xml · nonDerivative · entry 1

HORIZON KINETICS ASSET MANAGEMENT LLC · CIK 0001056823 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,469,113

F1 · balance_after: On December 18, 2024, Horizon Kinetics Asset Management LLC (HKAM) filed an amendment to its Schedule 13D, in which it noted beneficial ownership of 3,578,173 shares and Murray Stahl's direct interest in 7,848 shares and his indirect interest in approximately 156,083 shares. The extent of HKAM's pecuniary interest in the shares beneficially owned is disclosed herein and reflects a three-for-one stock split effective December 22, 2025. Mr. Stahl does not exercise investment discretion with respect to the securities of the Issuer.

Read SEC document
March 10, 2026 Filed Mar 11, 2026 14:42 UTC Texas Pacific Land Corp TPL · Entity 133 PurchaseCommon Stock 1 $526.83 $526.83
Disclosure

SEC source: 0001437749-26-007656 · rdgdoc.xml · nonDerivative · entry 1

HORIZON KINETICS ASSET MANAGEMENT LLC · CIK 0001056823 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,469,112

F1 · balance_after: On December 18, 2024, Horizon Kinetics Asset Management LLC (HKAM) filed an amendment to its Schedule 13D, in which it noted beneficial ownership of 3,578,173 shares and Murray Stahl's direct interest in 7,848 shares and his indirect interest in approximately 156,083 shares. The extent of HKAM's pecuniary interest in the shares beneficially owned is disclosed herein and reflects a three-for-one stock split effective December 22, 2025. Mr. Stahl does not exercise investment discretion with respect to the securities of the Issuer.

Read SEC document
March 09, 2026 Filed Mar 10, 2026 15:44 UTC Texas Pacific Land Corp TPL · Entity 133 PurchaseCommon Stock 1 $527.22 $527.22
Disclosure

SEC source: 0001437749-26-007459 · rdgdoc.xml · nonDerivative · entry 1

HORIZON KINETICS ASSET MANAGEMENT LLC · CIK 0001056823 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,469,111

F1 · balance_after: On December 18, 2024, Horizon Kinetics Asset Management LLC (HKAM) filed an amendment to its Schedule 13D, in which it noted beneficial ownership of 3,578,173 shares and Murray Stahl's direct interest in 7,848 shares and his indirect interest in approximately 156,083 shares. The extent of HKAM's pecuniary interest in the shares beneficially owned is disclosed herein and reflects a three-for-one stock split effective December 22, 2025. Mr. Stahl does not exercise investment discretion with respect to the securities of the Issuer.

Read SEC document
March 06, 2026 Filed Mar 9, 2026 15:33 UTC Texas Pacific Land Corp TPL · Entity 133 PurchaseCommon Stock 1 $526.43 $526.43
Disclosure

SEC source: 0001437749-26-007293 · rdgdoc.xml · nonDerivative · entry 1

HORIZON KINETICS ASSET MANAGEMENT LLC · CIK 0001056823 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,469,110

F1 · balance_after: On December 18, 2024, Horizon Kinetics Asset Management LLC (HKAM) filed an amendment to its Schedule 13D, in which it noted beneficial ownership of 3,578,173 shares and Murray Stahl's direct interest in 7,848 shares and his indirect interest in approximately 156,083 shares. The extent of HKAM's pecuniary interest in the shares beneficially owned is disclosed herein and reflects a three-for-one stock split effective December 22, 2025. Mr. Stahl does not exercise investment discretion with respect to the securities of the Issuer.

Read SEC document
March 05, 2026 Filed Mar 6, 2026 22:57 UTC MIAMI INTERNATIONAL HOLDINGS, INC. MIAX · Entity 4026 PurchaseCommon Stock 7,200 $43.08 $310,176.00
Disclosure

SEC source: 0001437749-26-007252 · rdgdoc.xml · nonDerivative · entry 1

STAHL MURRAY · CIK 0001207097 · Director

HORIZON KINETICS ASSET MANAGEMENT LLC · CIK 0001056823 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · Horizon Kinetics Asset Management LLC

Disclosed balance after: 4,633,842

F1 · balance_after: Murray Stahl serves as Chairman, Chief Executive Officer, and Chief Investment Officer of Horizon Kinetics Asset Management LLC ("HKAM"), which manages funds and accounts (the "Managed Accounts") that hold securities of the Issuer. Mr. Stahl does not exercise investment discretion with respect to the securities of the Issuer that are beneficially owned by the Managed Accounts. Mr. Stahl disclaims beneficial ownership over the securities reported, except to the extent of his pecuniary interest therein, if any. The filing of this Form shall not be deemed an admission that the Mr. Stahl is the beneficial owner of such securities for purposes of Section 16 or any other purpose.

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March 05, 2026 Filed Mar 6, 2026 17:23 UTC Texas Pacific Land Corp TPL · Entity 133 PurchaseCommon Stock 1 $529.46 $529.46
Disclosure

SEC source: 0001437749-26-007155 · rdgdoc.xml · nonDerivative · entry 1

HORIZON KINETICS ASSET MANAGEMENT LLC · CIK 0001056823 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,469,109

F1 · balance_after: On December 18, 2024, Horizon Kinetics Asset Management LLC (HKAM) filed an amendment to its Schedule 13D, in which it noted beneficial ownership of 3,578,173 shares and Murray Stahl's direct interest in 7,848 shares and his indirect interest in approximately 156,083 shares. The extent of HKAM's pecuniary interest in the shares beneficially owned is disclosed herein and reflects a three-for-one stock split effective December 22, 2025. Mr. Stahl does not exercise investment discretion with respect to the securities of the Issuer.

Read SEC document
March 04, 2026 Filed Mar 5, 2026 19:58 UTC Texas Pacific Land Corp TPL · Entity 133 PurchaseCommon Stock 1 $530.21 $530.21
Disclosure

SEC source: 0001437749-26-007050 · rdgdoc.xml · nonDerivative · entry 1

HORIZON KINETICS ASSET MANAGEMENT LLC · CIK 0001056823 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,469,108

F1 · balance_after: On December 18, 2024, Horizon Kinetics Asset Management LLC (HKAM) filed an amendment to its Schedule 13D, in which it noted beneficial ownership of 3,578,173 shares and Murray Stahl's direct interest in 7,848 shares and his indirect interest in approximately 156,083 shares. The extent of HKAM's pecuniary interest in the shares beneficially owned is disclosed herein and reflects a three-for-one stock split effective December 22, 2025. Mr. Stahl does not exercise investment discretion with respect to the securities of the Issuer.

Read SEC document
March 04, 2026 Filed Mar 5, 2026 19:44 UTC MIAMI INTERNATIONAL HOLDINGS, INC. MIAX · Entity 4026 PurchaseCommon Stock 7,200 $43.38 $312,336.00
Disclosure

SEC source: 0001437749-26-007046 · rdgdoc.xml · nonDerivative · entry 1

STAHL MURRAY · CIK 0001207097 · Director

HORIZON KINETICS ASSET MANAGEMENT LLC · CIK 0001056823 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · Horizon Kinetics Asset Management LLC

Disclosed balance after: 4,696,666

F1 · balance_after: Murray Stahl serves as Chairman, Chief Executive Officer, and Chief Investment Officer of Horizon Kinetics Asset Management LLC ("HKAM"), which manages funds and accounts (the "Managed Accounts") that hold securities of the Issuer. Mr. Stahl does not exercise investment discretion with respect to the securities of the Issuer that are beneficially owned by the Managed Accounts. Mr. Stahl disclaims beneficial ownership over the securities reported, except to the extent of his pecuniary interest therein, if any. The filing of this Form shall not be deemed an admission that the Mr. Stahl is the beneficial owner of such securities for purposes of Section 16 or any other purpose.

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March 04, 2026 Filed Mar 6, 2026 22:52 UTC Amendment MIAMI INTERNATIONAL HOLDINGS, INC. MIAX · Entity 4026 PurchaseCommon Stock 7,200 $43.38 $312,336.00
Disclosure

SEC source: 0001437749-26-007251 · rdgdoc.xml · nonDerivative · entry 1

STAHL MURRAY · CIK 0001207097 · Director

HORIZON KINETICS ASSET MANAGEMENT LLC · CIK 0001056823 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · Horizon Kinetics Asset Management LLC

Disclosed balance after: 4,626,642

F1 · balance_after: Murray Stahl serves as Chairman, Chief Executive Officer, and Chief Investment Officer of Horizon Kinetics Asset Management LLC ("HKAM"), which manages funds and accounts (the "Managed Accounts") that hold securities of the Issuer. Mr. Stahl does not exercise investment discretion with respect to the securities of the Issuer that are beneficially owned by the Managed Accounts. Mr. Stahl disclaims beneficial ownership over the securities reported, except to the extent of his pecuniary interest therein, if any. The filing of this Form shall not be deemed an admission that the Mr. Stahl is the beneficial owner of such securities for purposes of Section 16 or any other purpose.

F2 · balance_after: This amendment corrects a previous filing that incorrectly listed the amount of securities beneficially owned.

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March 03, 2026 Filed Mar 4, 2026 18:55 UTC Texas Pacific Land Corp TPL · Entity 133 PurchaseCommon Stock 1 $522.34 $522.34
Disclosure

SEC source: 0001437749-26-006871 · rdgdoc.xml · nonDerivative · entry 1

HORIZON KINETICS ASSET MANAGEMENT LLC · CIK 0001056823 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,469,107

F1 · balance_after: On December 18, 2024, Horizon Kinetics Asset Management LLC (HKAM) filed an amendment to its Schedule 13D, in which it noted beneficial ownership of 3,578,173 shares and Murray Stahl's direct interest in 7,848 shares and his indirect interest in approximately 156,083 shares. The extent of HKAM's pecuniary interest in the shares beneficially owned is disclosed herein and reflects a three-for-one stock split effective December 22, 2025. Mr. Stahl does not exercise investment discretion with respect to the securities of the Issuer.

Read SEC document
March 02, 2026 Filed Mar 3, 2026 18:15 UTC Texas Pacific Land Corp TPL · Entity 133 PurchaseCommon Stock 1 $524.01 $524.01
Disclosure

SEC source: 0001437749-26-006541 · rdgdoc.xml · nonDerivative · entry 1

HORIZON KINETICS ASSET MANAGEMENT LLC · CIK 0001056823 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,469,106

F1 · balance_after: On December 18, 2024, Horizon Kinetics Asset Management LLC (HKAM) filed an amendment to its Schedule 13D, in which it noted beneficial ownership of 3,578,173 shares and Murray Stahl's direct interest in 7,848 shares and his indirect interest in approximately 156,083 shares. The extent of HKAM's pecuniary interest in the shares beneficially owned is disclosed herein and reflects a three-for-one stock split effective December 22, 2025. Mr. Stahl does not exercise investment discretion with respect to the securities of the Issuer.

F2 · balance_after: The change represents a reduction of 10,277 shares delivered without consideration as part of a client in-kind redemption.

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March 02, 2026 Filed Mar 4, 2026 20:22 UTC MIAMI INTERNATIONAL HOLDINGS, INC. MIAX · Entity 4026 OtherWarrant (right to buy) · Derivative 137,500 $0.00 Strike: $20.00 $0.00
Disclosure

SEC source: 0001437749-26-006880 · rdgdoc.xml · derivative · entry 9

STAHL MURRAY · CIK 0001207097 · Director

HORIZON KINETICS ASSET MANAGEMENT LLC · CIK 0001056823 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · Horizon Kinetics Asset Management LLC

Disclosed balance after: 0

Underlying: Common Stock · 137,500 shares

Expires 2027-08-09

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March 02, 2026 Filed Mar 4, 2026 20:22 UTC MIAMI INTERNATIONAL HOLDINGS, INC. MIAX · Entity 4026 OtherWarrant (right to buy) · Derivative 38,927 $0.00 Strike: $20.50 $0.00
Disclosure

SEC source: 0001437749-26-006880 · rdgdoc.xml · derivative · entry 8

STAHL MURRAY · CIK 0001207097 · Director

HORIZON KINETICS ASSET MANAGEMENT LLC · CIK 0001056823 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · Horizon Kinetics Asset Management LLC

Disclosed balance after: 0

Underlying: Common Stock · 38,927 shares

Expires 2026-10-17

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March 02, 2026 Filed Mar 4, 2026 20:22 UTC MIAMI INTERNATIONAL HOLDINGS, INC. MIAX · Entity 4026 OtherWarrant (right to buy) · Derivative 27,561 $0.00 Strike: $20.50 $0.00
Disclosure

SEC source: 0001437749-26-006880 · rdgdoc.xml · derivative · entry 7

STAHL MURRAY · CIK 0001207097 · Director

HORIZON KINETICS ASSET MANAGEMENT LLC · CIK 0001056823 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · Horizon Kinetics Asset Management LLC

Disclosed balance after: 0

Underlying: Common Stock · 27,561 shares

Expires 2027-02-05

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March 02, 2026 Filed Mar 4, 2026 20:22 UTC MIAMI INTERNATIONAL HOLDINGS, INC. MIAX · Entity 4026 OtherWarrant (right to buy) · Derivative 24,878 $0.00 Strike: $20.50 $0.00
Disclosure

SEC source: 0001437749-26-006880 · rdgdoc.xml · derivative · entry 6

STAHL MURRAY · CIK 0001207097 · Director

HORIZON KINETICS ASSET MANAGEMENT LLC · CIK 0001056823 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · Horizon Kinetics Asset Management LLC

Disclosed balance after: 0

Underlying: Common Stock · 24,878 shares

Expires 2026-11-15

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March 02, 2026 Filed Mar 4, 2026 20:22 UTC MIAMI INTERNATIONAL HOLDINGS, INC. MIAX · Entity 4026 OtherWarrant (right to buy) · Derivative 21,290 $0.00 Strike: $15.00 $0.00
Disclosure

SEC source: 0001437749-26-006880 · rdgdoc.xml · derivative · entry 5

STAHL MURRAY · CIK 0001207097 · Director

HORIZON KINETICS ASSET MANAGEMENT LLC · CIK 0001056823 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · Horizon Kinetics Asset Management LLC

Disclosed balance after: 0

Underlying: Common Stock · 21,290 shares

Expires 2026-04-08

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March 02, 2026 Filed Mar 4, 2026 20:22 UTC MIAMI INTERNATIONAL HOLDINGS, INC. MIAX · Entity 4026 SaleCommon Stock 121,054 $40.92 $4,953,529.68
Disclosure

SEC source: 0001437749-26-006880 · rdgdoc.xml · nonDerivative · entry 4

STAHL MURRAY · CIK 0001207097 · Director

HORIZON KINETICS ASSET MANAGEMENT LLC · CIK 0001056823 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · Horizon Kinetics Asset Management LLC

Disclosed balance after: 4,689,466

F1 · kind: Horizon Kinetics Asset Management LLC (HKAM) exercised warrants to purchase 341,522 shares of common stock at the exercise prices noted. HKAM paid the exercise price on a cashless basis, resulting in the Issuer withholding 121,054 of the warrant shares to pay the exercise price and issuing to HKAM the remaining 129,102 shares.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.