tapewire.
TapewireAll managers ↗

Institutional portfolios / 13F

ADVENT CAPITAL MANAGEMENT /DE/

A closer look at the portfolio, one quarter at a time.

Export portfolio ↓ Export quarterly changes ↓

Portfolio snapshot

Q2 2026

Reported portfolio value
$4,461,008,107
As of June 30, 2026
Positions
236
Across disclosed securities
Top 5 weight
16.8%
Share of reported value

View SEC filing · Published 2026-08-11 18:25 UTC

Inside the portfolio

Reported holdings

By portfolio value ↓

Quarterly comparison unavailable: complete reports and corporate-action evidence are required. Reported holdings remain available below.

SecurityShares / principalReported valueWeightAdjusted quarterly change
LUMENTUM HOLDINGS INCCONV
Holding details

Reported CUSIP: 55024UAH2

Reported row 77 · 0001140361-26-032210

Quarterly change unavailable. Security identity or split coverage is incomplete.

 88,000 PRN $1,082,650 0.02%0.02% —Comparison unavailable
STRATEGY INCCONV
Holding details

Reported CUSIP: 594972AJ0

Reported row 91 · 0001140361-26-032210

Quarterly change unavailable. Security identity or split coverage is incomplete.

 1,029,000 PRN $1,054,046 0.02%0.02% —Comparison unavailable
BRIDGEBIO PHARMA INCCONV
Holding details

Reported CUSIP: 10806XAB8

Reported row 19 · 0001140361-26-032210

Quarterly change unavailable. Security identity or split coverage is incomplete.

 574,000 PRN $1,026,950 0.02%0.02% —Comparison unavailable
ALNYLAM PHARMACEUTICALSCONV
Holding details

Reported CUSIP: 02043QAB3

Reported row 6 · 0001140361-26-032210

Quarterly change unavailable. Security identity or split coverage is incomplete.

 850,000 PRN $1,026,623 0.02%0.02% —Comparison unavailable
KOSMOS ENERGY LTDCONV
Holding details

Reported CUSIP: 500688AH9

Reported row 74 · 0001140361-26-032210

Quarterly change unavailable. Security identity or split coverage is incomplete.

 1,240,000 PRN $949,470 0.02%0.02% —Comparison unavailable
SAREPTA THERAPEUTICS INCCONV
Holding details

Reported CUSIP: 803607AD2

Reported row 137 · 0001140361-26-032210

Quarterly change unavailable. Security identity or split coverage is incomplete.

 1,000,000 PRN $949,379 0.02%0.02% —Comparison unavailable
Hertz Global Holdings IncCOM Put
Holding details

Reported CUSIP: 42806J700

Issuer filings on SEC

Reported row 197 · 0001140361-26-032210

Quarterly change unavailable. Option contract adjustments are not supported.

 400,000 SH $906,000 0.02%0.02% —Comparison unavailable
Akamai Technologies IncCOM · AKAM
Holding details

Reported CUSIP: 00971T101

Issuer filings on SEC

Reported row 167 · 0001140361-26-032210

Quarterly change unavailable. Security identity or split coverage is incomplete.

 7,450 SH $880,665 0.02%0.02% —Comparison unavailable
Bitdeer Technologies GroupCOM Call · BTDR
Holding details

Reported CUSIP: G11448100

Issuer filings on SEC

Reported row 193 · 0001140361-26-032210

Quarterly change unavailable. Option contract adjustments are not supported.

 55,000 SH $872,850 0.02%0.02% —Comparison unavailable
VIRIDIAN THERAPEUTICS INCONV
Holding details

Reported CUSIP: 92790CAB0

Reported row 155 · 0001140361-26-032210

Quarterly change unavailable. Security identity or split coverage is incomplete.

 800,000 PRN $862,225 0.02%0.02% —Comparison unavailable
MDA Space LtdCOM · MDA
Holding details

Reported CUSIP: 55293N109

Issuer filings on SEC

Reported row 177 · 0001140361-26-032210

Quarterly change unavailable. Security identity or split coverage is incomplete.

 20,000 SH $823,724 0.02%0.02% —Comparison unavailable
CENTRUS ENERGY CORPCONV
Holding details

Reported CUSIP: 15643UAE4

Reported row 75 · 0001140361-26-032210

Quarterly change unavailable. Security identity or split coverage is incomplete.

 410,000 PRN $815,183 0.02%0.02% —Comparison unavailable
Plug Power IncCOM Call · PLUG
Holding details

Reported CUSIP: 72919P202

Issuer filings on SEC

Reported row 199 · 0001140361-26-032210

Quarterly change unavailable. Option contract adjustments are not supported.

 300,000 SH $813,000 0.02%0.02% —Comparison unavailable
Wolfspeed IncCOM Call · WOLF
Holding details

Reported CUSIP: 97785W106

Issuer filings on SEC

Reported row 207 · 0001140361-26-032210

Quarterly change unavailable. Option contract adjustments are not supported.

 16,000 SH $772,000 0.02%0.02% —Comparison unavailable
ZIFF DAVIS INCCONV
Holding details

Reported CUSIP: 48123VAE2

Reported row 165 · 0001140361-26-032210

Quarterly change unavailable. Security identity or split coverage is incomplete.

 775,000 PRN $770,512 0.02%0.02% —Comparison unavailable
Snowflake IncCOM Call · SNOW
Holding details

Reported CUSIP: 833445109

Issuer filings on SEC

Reported row 204 · 0001140361-26-032210

Quarterly change unavailable. Option contract adjustments are not supported.

 3,000 SH $763,500 0.02%0.02% —Comparison unavailable
STRATEGY INCCONV
Holding details

Reported CUSIP: 594972AS0

Reported row 93 · 0001140361-26-032210

Quarterly change unavailable. Security identity or split coverage is incomplete.

 805,000 PRN $695,762 0.02%0.02% —Comparison unavailable
IREN LtdCOM Call · IREN
Holding details

Reported CUSIP: Q4982L109

Issuer filings on SEC

Reported row 198 · 0001140361-26-032210

Quarterly change unavailable. Option contract adjustments are not supported.

 15,000 SH $685,950 0.02%0.02% —Comparison unavailable
CYTOKINETICS INCCONV
Holding details

Reported CUSIP: 23282WAC4

Reported row 36 · 0001140361-26-032210

Quarterly change unavailable. Security identity or split coverage is incomplete.

 346,000 PRN $589,021 0.01%0.01% —Comparison unavailable
CIPHER DIGITAL INCCONV
Holding details

Reported CUSIP: 17253JAA4

Reported row 27 · 0001140361-26-032210

Quarterly change unavailable. Security identity or split coverage is incomplete.

 95,000 PRN $533,396 0.01%0.01% —Comparison unavailable
AMC GLOBAL MEDIA INCCONV
Holding details

Reported CUSIP: 00164VAJ2

Reported row 7 · 0001140361-26-032210

Quarterly change unavailable. Security identity or split coverage is incomplete.

 476,000 PRN $516,367 0.01%0.01% —Comparison unavailable
Cipher Digital IncCOM Call · CIFR
Holding details

Reported CUSIP: 17253J106

Issuer filings on SEC

Reported row 194 · 0001140361-26-032210

Quarterly change unavailable. Option contract adjustments are not supported.

 20,000 SH $490,000 0.01%0.01% —Comparison unavailable
APPLIED DIGITAL CORPCONV
Holding details

Reported CUSIP: 038169AB4

Reported row 9 · 0001140361-26-032210

Quarterly change unavailable. Security identity or split coverage is incomplete.

 112,000 PRN $447,298 0.01%0.01% —Comparison unavailable
TRAVERE THERAPEUTICS INCCONV
Holding details

Reported CUSIP: 89422GAA5

Reported row 146 · 0001140361-26-032210

Quarterly change unavailable. Security identity or split coverage is incomplete.

 216,000 PRN $402,517 0.01%0.01% —Comparison unavailable
MarineMax IncCOM · HZO
Holding details

Reported CUSIP: 567908108

Issuer filings on SEC

Reported row 175 · 0001140361-26-032210

Quarterly change unavailable. Security identity or split coverage is incomplete.

 10,400 SH $380,848 0.01%0.01% —Comparison unavailable
WOLFSPEED INCCONV
Holding details

Reported CUSIP: 977852AP7

Reported row 162 · 0001140361-26-032210

Quarterly change unavailable. Security identity or split coverage is incomplete.

 80,000 PRN $314,839 0.01%0.01% —Comparison unavailable
QIAGEN NVCOM
Holding details

Reported CUSIP: N72482156

Issuer filings on SEC

Reported row 183 · 0001140361-26-032210

Quarterly change unavailable. Security identity or split coverage is incomplete.

 6,491 SH $253,798 0.01%0.01% —Comparison unavailable
Array Technologies IncCOM Call · ARRY
Holding details

Reported CUSIP: 04271T100

Issuer filings on SEC

Reported row 190 · 0001140361-26-032210

Quarterly change unavailable. Option contract adjustments are not supported.

 25,000 SH $185,250 0.00%0.00% —Comparison unavailable
BigBear.ai Holdings IncCOM · BBAI
Holding details

Reported CUSIP: 08975B109

Issuer filings on SEC

Reported row 169 · 0001140361-26-032210

Quarterly change unavailable. Security identity or split coverage is incomplete.

 40,000 SH $146,800 0.00%0.00% —Comparison unavailable
FMC CorpCOM Call · FMC
Holding details

Reported CUSIP: 302491303

Issuer filings on SEC

Reported row 195 · 0001140361-26-032210

Quarterly change unavailable. Option contract adjustments are not supported.

 10,000 SH $115,000 0.00%0.00% —Comparison unavailable
AURORA INNOVATION INCCOM
Holding details

Reported CUSIP: 051774115

Issuer filings on SEC

Reported row 233 · 0001140361-26-032210

Quarterly change unavailable. Security identity or split coverage is incomplete.

 61,500 SH $19,686 0.00%0.00% —Comparison unavailable
GAMESTOP CORP-CLASS ACOM
Holding details

Reported CUSIP: 36467W117

Issuer filings on SEC

Reported row 235 · 0001140361-26-032210

Quarterly change unavailable. Security identity or split coverage is incomplete.

 6,778 SH $18,911 0.00%0.00% —Comparison unavailable
BIGBEAR.AI HOLDINGS INCCOM
Holding details

Reported CUSIP: 08975B117

Issuer filings on SEC

Reported row 234 · 0001140361-26-032210

Quarterly change unavailable. Security identity or split coverage is incomplete.

 18,260 SH $6,482 0.00%0.00% —Comparison unavailable
OPENDOOR TECHNOLOGIES INCCOM
Holding details

Reported CUSIP: 683712129

Issuer filings on SEC

Reported row 237 · 0001140361-26-032210

Quarterly change unavailable. Security identity or split coverage is incomplete.

 1,199 SH $594 0.00%0.00% —Comparison unavailable
OPENDOOR TECHNOLOGIES INCCOM
Holding details

Reported CUSIP: 683712137

Issuer filings on SEC

Reported row 236 · 0001140361-26-032210

Quarterly change unavailable. Security identity or split coverage is incomplete.

 1,199 SH $339 0.00%0.00% —Comparison unavailable
OPENDOOR TECHNOLOGIES INCCOM
Holding details

Reported CUSIP: 683712145

Issuer filings on SEC

Reported row 238 · 0001140361-26-032210

Quarterly change unavailable. Security identity or split coverage is incomplete.

 1,199 SH $288 0.00%0.00% —Comparison unavailable