Abivax S.A.
ABVX- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001956827
No open-market purchases or sales by Abivax S.A. insiders were filed in the last 90 days; 303 institutions reported holding it in 13F filings for Q2 2026, worth $7.18B in total; Maverick Capital is the only superinvestor holding it.
Other share classesAAVXF
13F holders, Q4 2025
Institutional positions in Abivax S.A. as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 247
- +83 vs. Q3 2025
- Shares held
- 56.3M
- +4.35M (+8.4%) vs. Q3 2025
- Total value
- $7.61B
- +$3.20B (+72.6%) vs. Q3 2025
- New holders
- 107
- 76 more added
- Sold out
- 24
- 50 more reduced
1 institution that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ABVX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 303 | $7.18B |
| Q1 2026 | 254 | $5.53B |
| Q4 2025 | 247 | $7.61B |
| Q3 2025 | 165 | $4.41B |
| Q2 2025 | 43 | $234.6M |
| Q1 2025 | 46 | $198.5M |
| Q4 2024 | 48 | $218.6M |
| Q3 2024 | 40 | $312.8M |
| Q2 2024 | 38 | $371.6M |
| Q1 2024 | 36 | $334.2M |
| Q4 2023 | 30 | $227.8M |
| Q3 2023 | 0 | $0 |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q4 2025
Shares, value and share of portfolio for each institution holding Abivax S.A.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| TCG Crossover Management, LLC | 7,111,596 | $959.0M | 31.74% | 00.0% | Unchanged |
| UBS Group AG | 4,423,906 | $596.6M | 0.12% | −37,356−0.8% | Reduced |
| Darwin Global Management, Ltd. | 3,178,501 | $439.7M | 8.90% | +14,000+0.4% | Added |
| Morgan Stanley | 3,151,994 | $425.1M | 0.03% | +1,681,277+114.3% | Added |
| Point72 Asset Management, L.P. | 2,409,154 | $324.9M | 0.51% | −516,198−17.6% | Reduced |
| Vestal Point Capital, LP | 1,900,000 | $256.2M | 9.40% | +900,000+90.0% | Added |
| Caligan Partners LP | 1,451,924 | $195.8M | 17.92% | 00.0% | Unchanged |
| Paradigm Biocapital Advisors LP | 1,417,473 | $191.2M | 5.12% | −146,723−9.4% | Reduced |
| FMR LLC | 1,365,657 | $184.2M | 0.01% | −65,016−4.5% | Reduced |
| Cormorant Asset Management, LP | 1,350,000 | $182.1M | 10.32% | −600,000−30.8% | Reduced |
| ADAR1 Capital Management, LLC | 1,317,329 | $177.6M | 13.29% | −33,497−2.5% | Reduced |
| Westfield Capital Management Co LP | 1,009,966 | $136.2M | 0.57% | +1,009,966 | New |
| Baker Bros. Advisors LP | 875,796 | $118.1M | 0.69% | 00.0% | Unchanged |
| Lord, Abbett & Co. LLC | 849,732 | $114.6M | 0.35% | +513,026+152.4% | Added |
| Deutsche Bank AG | 764,899 | $103.2M | 0.03% | +764,899 | New |
| Octagon Capital Advisors LP | 756,000 | $102.0M | 12.76% | −569,000−42.9% | Reduced |
| Susquehanna International Group, LLP | 754,836 | $101.8M | 0.14% | +720,222+2,080.7% | Added |
| Millennium Management LLC | 741,060 | $99.9M | 0.07% | −358,970−32.6% | Reduced |
| Nationale-Nederlanden Powszechne Towarzystwo Emerytalne S.A. | 691,973 | $93.3M | 8.28% | −39,550−5.4% | Reduced |
| Janus Henderson Group PLC | 667,761 | $90.0M | 0.04% | +313,027+88.2% | Added |
| Eversept Partners, LP | 657,834 | $88.7M | 4.97% | +231,335+54.2% | Added |
| Price T Rowe Associates Inc | 651,644 | $87.9M | 0.01% | +171,775+35.8% | Added |
| Saturn V Capital Management LLC | 649,179 | $87.5M | 16.07% | −152,045−19.0% | Reduced |
| Artia Global Partners LP | 600,747 | $81.0M | 13.02% | +375,294+166.5% | Added |
| Citadel Advisors LLC | 563,747 | $76.0M | 0.05% | −118,038−17.3% | Reduced |
| Adage Capital Partners GP, L.L.C. | 550,000 | $74.2M | 0.11% | −427,629−43.7% | Reduced |
| Bank of America Corp | 522,289 | $70.4M | 0.01% | +426,696+446.4% | Added |
| Ensign Peak Advisors, Inc | 518,347 | $69.9M | 0.12% | +62,663+13.8% | Added |
| BVF Inc | 508,031 | $68.5M | 2.31% | −50,000−9.0% | Reduced |
| Boothbay Fund Management, LLC | 507,881 | $68.5M | 1.80% | −90,050−15.1% | Reduced |
| Affinity Asset Advisors, LLC | 505,000 | $68.1M | 4.89% | +145,000+40.3% | Added |
| Perceptive Advisors LLC | 458,343 | $61.8M | 1.13% | +69,735+17.9% | Added |
| Jefferies Financial Group Inc. | 457,325 | $61.7M | 0.51% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 455,923 | $61.5M | 0.00% | +455,923 | New |
| Franklin Resources Inc | 449,121 | $60.6M | 0.01% | −66,969−13.0% | Reduced |
| BlackRock, Inc. | 436,713 | $58.9M | 0.00% | +436,713 | New |
| Standard Life Aberdeen plc | 426,658 | $57.5M | 0.09% | −360,759−45.8% | Reduced |
| Jane Street Group, LLC | 423,257 | $57.1M | 0.07% | +355,455+524.3% | Added |
| Silverarc Capital Management, LLC | 422,193 | $56.9M | 8.24% | −117,511−21.8% | Reduced |
| Logos Global Management LP | 400,000 | $53.9M | 3.59% | −15,000−3.6% | Reduced |
| StemPoint Capital LP | 391,783 | $52.8M | 9.07% | +225,510+135.6% | Added |
| Farallon Capital Management, L.L.C. | 387,000 | $52.2M | 0.27% | −418,000−51.9% | Reduced |
| First Turn Management, LLC | 381,233 | $51.4M | 5.87% | +89,413+30.6% | Added |
| Frazier Life Sciences Management, L.P. | 378,300 | $51.0M | 1.37% | 00.0% | Unchanged |
| OrbiMed Advisors LLC | 367,900 | $49.6M | 1.02% | −12,100−3.2% | Reduced |
| Vivo Capital, LLC | 359,305 | $48.5M | 3.13% | 00.0% | Unchanged |
| Balyasny Asset Management LLC | 358,322 | $48.3M | 0.09% | +198,102+123.6% | Added |
| Eventide Asset Management, LLC | 327,911 | $44.2M | 0.69% | −68,993−17.4% | Reduced |
| Barclays PLC | 308,789 | $41.6M | 0.02% | +232,447+304.5% | Added |
| Goldman Sachs Group Inc | 263,533 | $35.5M | 0.01% | +127,907+94.3% | Added |
| Holocene Advisors, LP | 258,657 | $34.9M | 0.07% | −202,644−43.9% | Reduced |
| Woodline Partners LP | 225,892 | $30.5M | 0.12% | −85,150−27.4% | Reduced |
| Evergreen Quality Fund GP, Ltd. | 224,300 | $30.2M | 0.60% | −64,300−22.3% | Reduced |
| Principal Financial Group Inc | 217,890 | $29.4M | 0.02% | +217,890 | New |
| Ikarian Capital, LLC | 205,985 | $29.1M | 3.77% | −190,113−48.0% | Reduced |
| ExodusPoint Capital Management, LP | 215,273 | $29.0M | 0.32% | +215,273 | New |
| Hudson Bay Capital Management LP | 208,219 | $28.1M | 0.16% | +117,157+128.7% | Added |
| Nantahala Capital Management, LLC | 153,235 | $20.7M | 1.23% | −404,329−72.5% | Reduced |
| Squadron Capital Management LLC | 145,000 | $19.6M | 8.73% | +145,000 | New |
| Patient Square Capital LP | 130,000 | $17.5M | 3.75% | −21,833−14.4% | Reduced |
| TimesSquare Capital Management, LLC | 129,384 | $17.4M | 0.26% | +1,361+1.1% | Added |
| Jennison Associates LLC | 127,907 | $17.2M | 0.01% | +127,907 | New |
| Invesco Ltd. | 125,403 | $16.9M | 0.00% | +125,403 | New |
| Boxer Capital Management, LLC | 125,000 | $16.9M | 3.69% | +5,000+4.2% | Added |
| Pictet Asset Management Holding SA | 124,449 | $16.8M | 0.02% | −72,387−36.8% | Reduced |
| Nan Fung Trinity (HK) Ltd | 113,365 | $15.3M | 1.21% | +12,000+11.8% | Added |
| Federated Hermes, Inc. | 108,200 | $14.6M | 0.02% | +8,700+8.7% | Added |
| Voleon Capital Management LP | 105,386 | $14.2M | 0.31% | +88,629+528.9% | Added |
| Creek Drive Management Group LLC | 103,500 | $14.0M | 10.28% | +103,500 | New |
| Catalio Capital Management, LP | 98,514 | $13.3M | 2.35% | −63,627−39.2% | Reduced |
| Readystate Asset Management LP | 95,729 | $12.9M | 0.57% | +95,729 | New |
| LMR Partners LLP | 94,552 | $12.8M | 0.12% | +20,474+27.6% | Added |
| Apis Capital Advisors, LLC | 89,000 | $12.0M | 2.09% | −16,400−15.6% | Reduced |
| First Light Asset Management, LLC | 88,674 | $12.0M | 0.91% | −7,281−7.6% | Reduced |
| SEI Investments Co | 87,153 | $11.7M | 0.01% | +20,428+30.6% | Added |
| Samlyn Capital, LLC | 84,286 | $11.4M | 0.18% | +84,286 | New |
| Nicholas Investment Partners, LP | 83,068 | $11.2M | 0.82% | +63,640+327.6% | Added |
| Oddo BHF Asset Management SAS | 79,350 | $10.7M | 0.40% | +79,350 | New |
| Andera Partners | 78,125 | $10.5M | 5.97% | +78,125 | New |
| Diadema Partners LP | 75,644 | $10.2M | 6.08% | +34,024+81.7% | Added |
| Samsara BioCapital, LLC | 75,442 | $10.2M | 1.05% | 00.0% | Unchanged |
| HighVista Strategies LLC | 72,185 | $9.73M | 2.51% | −112,283−60.9% | Reduced |
| Ally Bridge Group (NY) LLC | 70,000 | $9.44M | 14.98% | +70,000 | New |
| Ameriprise Financial Inc | 67,665 | $9.12M | 0.00% | +9,047+15.4% | Added |
| Velan Capital Investment Management LP | 67,000 | $9.04M | 5.26% | +2,611+4.1% | Added |
| Resolute Capital Asset Partners LLC | 65,000 | $8.77M | 4.24% | +25,000+62.5% | Added |
| Russell Investments Group, Ltd. | 64,473 | $8.69M | 0.01% | +22,579+53.9% | Added |
| TD Asset Management Inc | 63,902 | $8.62M | 0.01% | +17,416+37.5% | Added |
| ACT Capital Management, LLC | 63,900 | $8.62M | 6.97% | +63,900 | New |
| LPL Financial LLC | 62,842 | $8.47M | 0.00% | +33,595+114.9% | Added |
| Verition Fund Management LLC | 61,317 | $8.27M | 0.04% | +4,699+8.3% | Added |
| Marshall Wace, LLP | 59,758 | $8.06M | 0.01% | −129,946−68.5% | Reduced |
| MPM Oncology Impact Management LP | 56,316 | $7.59M | 0.87% | +56,316 | New |
| SummitTX Capital, L.P. | 56,174 | $7.58M | 0.23% | +30,354+117.6% | Added |
| Atika Capital Management LLC | 55,000 | $7.42M | 1.03% | −14,000−20.3% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 54,993 | $7.42M | 0.17% | +54,993 | New |
| Erste Asset Management GmbH | 50,000 | $7.02M | 0.06% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 49,933 | $6.73M | 0.00% | +20,081+67.3% | Added |
| Spruce Street Capital LP | 49,119 | $6.62M | 2.19% | +49,119 | New |
| Davern Capital Partners, LP | 48,502 | $6.54M | 2.11% | +48,502 | New |