ADVENT CAPITAL MANAGEMENT /DE/ — 13F Holdings & Portfolio
CIK 1097278 · latest 13F-HR filed 2026-05-07
ADVENT CAPITAL MANAGEMENT /DE/ manages $3.63B in 13F-reported U.S. long-equity assets across 215 reported positions as of its 2026-03-31 13F-HR filing. Its largest disclosed positions are SPY (5.38%), BACPL (4.91%), UBER (3.95%). Quarter over quarter (versus its 2025-12-31 filing) the fund opened 39 new positions, exited 45, added to 48, and trimmed 87.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
$3.63B
Long-equity book
215
Distinct positions
2026-03-31
Filed 2026-05-07
+39 / −45 / ↑48 / ↓87
vs 2025-12-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- DATADOG INC$38.9M +103.9%
- AEROVIRONMENT INC$34.6M +160.6%
- RIVIAN AUTO INC$26.6M +365.2%
- GUIDEWIRE SOFTWARE INC$25.7M +199.3%
- WESTERN DIGITAL CORP$24.0M +155.5%
Top Trims
- WELLS FARGO & COMPANY-$174.6M -91.0%
- MERITAGE HOMES CORP-$52.7M -50.6%
- BOX INC-$47.2M -99.8%
- LIVE NATION ENTERTAINMEN-$42.7M -61.3%
- DUKE ENERGY CORP-$42.3M -56.8%
New Positions
- JETBLUE AIRWAYS CORP$18.8M
- GUARDANT HEALTH INC$12.4M
- CLOUDFLARE INC$6.8M
- GREENBRIER COS INC$5.7M
- MICROCHIP TECHNOLOGY INC$4.3M
Exited Positions
- TYLER TECHNOLOGIES INC$79.3M
- WORKIVA INC$35.2M
- FORD MOTOR COMPANY$26.9M
- EXPEDIA GROUP INC$25.8M
- VERTEX INC$20.7M
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | State Street SPDR S&P 500 ETF Call | SPY | 78462F103 | $195.1M | 5.38% | 300,000 | SH |
| 2 | BANK OF AMERICA CORP | BACPL | 060505682 | $178.0M | 4.91% | 149,172 | SH |
| 3 | UBER TECHNOLOGIES INC | UBER | 90353TAM2 | $143.3M | 3.95% | 118,720,000 | PRN |
| 4 | NEXTERA ENERGY INC | NEEPS | 65339F663 | $109.5M | 3.02% | 1,937,116 | SH |
| 5 | VENTAS REALTY LP | VTR | 92277GAZ0 | $92.9M | 2.56% | 61,850,000 | PRN |
| 6 | GLOBAL PAYMENTS INC | GPN | 37940XAU6 | $88.7M | 2.45% | 100,272,000 | PRN |
| 7 | CMS ENERGY CORP | CMS | 125896BX7 | $85.0M | 2.34% | 74,231,000 | PRN |
| 8 | PPL CAPITAL FUNDING INC | PPL | 69352PAS2 | $82.7M | 2.28% | 70,442,000 | PRN |
| 9 | KKR & CO INC | KKRPD | 48251W500 | $82.5M | 2.28% | 2,045,065 | SH |
| 10 | APOLLO GLOBAL MANAGEMENT | APOPA | 03769M304 | $76.7M | 2.12% | 1,303,436 | SH |
| 11 | DATADOG INC | DDOG | 23804LAD5 | $76.4M | 2.11% | 78,717,000 | PRN |
| 12 | AFFIRM HOLDINGS INC | AFRM | 00827BAD8 | $62.4M | 1.72% | 66,318,000 | PRN |
| 13 | SOUTHERN CO | SOMN | 842587842 | $58.1M | 1.60% | 1,121,375 | SH |
| 14 | BOEING CO/THE | BAPA | 097023204 | $56.4M | 1.55% | 867,181 | SH |
| 15 | AEROVIRONMENT INC | AVAV | 008073AA6 | $56.2M | 1.55% | 57,262,000 | PRN |
| 16 | MERITAGE HOMES CORP | MTH | 59001ABF8 | $51.5M | 1.42% | 52,841,000 | PRN |
| 17 | CENTERPOINT ENERGY INC | CNP | 15189TBD8 | $49.1M | 1.36% | 41,168,000 | PRN |
| 18 | NEXTERA ENERGY CAPITAL | NEE | 65339KCY4 | $48.9M | 1.35% | 35,117,000 | PRN |
| 19 | LANTHEUS HOLDINGS INC | LNTH | 516544AB9 | $48.3M | 1.33% | 39,934,000 | PRN |
| 20 | SOUTHERN CO | SO | 842587DZ7 | $48.2M | 1.33% | 42,825,000 | PRN |
| 21 | PG&E CORP | PCG | 69331CAL2 | $46.9M | 1.29% | 44,628,000 | PRN |
| 22 | SUPER MICRO COMPUTER INC | SMCI | 86800UAB0 | $43.7M | 1.21% | 54,492,000 | PRN |
| 23 | MICROCHIP TECHNOLOGY INC | MCHPP | 595017302 | $43.5M | 1.20% | 760,734 | SH |
| 24 | TETRA TECH INC | TTEK | 88162GAB9 | $41.9M | 1.16% | 39,825,000 | PRN |
| 25 | WEC ENERGY GROUP INC | WEC | 92939UAR7 | $41.4M | 1.14% | 33,029,000 | PRN |
| 26 | AKAMAI TECHNOLOGIES INC | AKAM | 00971TAN1 | $41.1M | 1.13% | 35,844,000 | PRN |
| 27 | WESTERN DIGITAL CORP | WDC | 958102AT2 | $39.5M | 1.09% | 5,501,000 | PRN |
| 28 | GUIDEWIRE SOFTWARE INC | GWRE | 40171VAC4 | $38.6M | 1.06% | 38,433,000 | PRN |
| 29 | SNOWFLAKE INC | SNOW | 833445AD1 | $38.2M | 1.05% | 31,182,000 | PRN |
| 30 | MARRIOTT VACATION WORLDW | VAC | 57164YAF4 | $38.1M | 1.05% | 39,178,000 | PRN |
| 31 | ARES MANAGEMENT CORP | ARESPB | 03990B309 | $34.7M | 0.96% | 933,089 | SH |
| 32 | RIVIAN AUTO INC | RIVN | 76954AAD5 | $33.9M | 0.93% | 34,659,000 | PRN |
| 33 | PARSONS CORP | — | 70202LAD4 | $32.2M | 0.89% | 32,542,000 | PRN |
| 34 | DUKE ENERGY CORP | DUKRD | 26441CBY0 | $32.2M | 0.89% | 28,645,000 | PRN |
| 35 | TRIP.COM GROUP LTD | TRPCF | 89677QAB3 | $31.4M | 0.87% | 30,199,000 | PRN |
| 36 | DRAFTKINGS HOLDINGS INC | DKNG | 26142RAB0 | $29.5M | 0.81% | 32,652,000 | PRN |
| 37 | SUNRUN INC | RUN | 86771WAD7 | $29.2M | 0.81% | 24,367,000 | PRN |
| 38 | Advent Convertible Bond ETF | ACVT | 75526L845 | $28.2M | 0.78% | 1,083,500 | SH |
| 39 | STRATEGY INC | MHIFF | 594972AL5 | $27.9M | 0.77% | 28,936,000 | PRN |
| 40 | State Street SPDR S&P 500 ETF Put | SPY | 78462F103 | $27.6M | 0.76% | 42,500 | SH |
| 41 | LIVE NATION ENTERTAINMEN | LYV | 538034BC2 | $27.0M | 0.74% | 24,865,000 | PRN |
| 42 | ENPHASE ENERGY INC | ENPH | 29355AAK3 | $24.6M | 0.68% | 27,480,000 | PRN |
| 43 | HP ENTERPRISE CO | HPEPC | 42824C208 | $24.4M | 0.67% | 375,591 | SH |
| 44 | RIOT PLATFORMS INC | RIOT | 767292AB1 | $23.7M | 0.65% | 20,554,000 | PRN |
| 45 | CLEANSPARK INC | CLSK | 18452BAC4 | $22.8M | 0.63% | 23,547,000 | PRN |
| 46 | ON SEMICONDUCTOR CORP | ON | 682189AU9 | $22.2M | 0.61% | 22,686,000 | PRN |
| 47 | HAEMONETICS CORP | — | 405024AD2 | $22.2M | 0.61% | 23,015,000 | PRN |
| 48 | TRAVERE THERAPEUTICS INC | TVTX | 89422GAA5 | $22.0M | 0.61% | 17,392,000 | PRN |
| 49 | ITRON INC | ITRO | 465741AQ9 | $21.9M | 0.60% | 21,671,000 | PRN |
| 50 | ETSY INC | ETSY | 29786AAL0 | $21.6M | 0.59% | 23,121,000 | PRN |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-03-31 | 2026-05-07 | $3.63B | 215 | 0001140361-26-019477 |
| 2025-12-31 | 2026-02-09 | $4.98B | 228 | 0001140361-26-004346 |