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, Q3 2025
Institutional positions in Abivax S.A. as of Sep 30, 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
- 165
- +122 vs. Q2 2025
- Shares held
- 52.0M
- +21.3M (+69.5%) vs. Q2 2025
- Total value
- $4.41B
- +$4.17B (+1,779.2%) vs. Q2 2025
- New holders
- 130
- 16 more added
- Sold out
- 8
- 17 more reduced
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Abivax S.A.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| TCG Crossover Management, LLC | 7,111,596 | $603.8M | 29.70% | +1,055,000+17.4% | Added |
| UBS Group AG | 4,461,262 | $378.8M | 0.07% | +4,293,606+2,561.0% | Added |
| Darwin Global Management, Ltd. | 3,164,501 | $263.7M | 7.33% | +3,164,501 | New |
| Point72 Asset Management, L.P. | 2,925,352 | $248.4M | 0.54% | +2,757,465+1,642.5% | Added |
| Cormorant Asset Management, LP | 1,950,000 | $165.6M | 11.42% | −180,000−8.5% | Reduced |
| Paradigm Biocapital Advisors LP | 1,564,196 | $132.8M | 3.93% | +1,564,196 | New |
| Morgan Stanley | 1,470,717 | $124.9M | 0.01% | +995,437+209.4% | Added |
| Caligan Partners LP | 1,451,924 | $123.3M | 17.10% | −222,476−13.3% | Reduced |
| FMR LLC | 1,430,673 | $121.5M | 0.01% | +1,430,673 | New |
| ADAR1 Capital Management, LLC | 1,350,826 | $114.7M | 11.36% | −1,720,514−56.0% | Reduced |
| Octagon Capital Advisors LP | 1,325,000 | $112.5M | 17.57% | +58,000+4.6% | Added |
| Millennium Management LLC | 1,100,030 | $93.4M | 0.07% | −151,735−12.1% | Reduced |
| Vestal Point Capital, LP | 1,000,000 | $84.9M | 3.85% | +1,000,000 | New |
| Adage Capital Partners GP, L.L.C. | 977,629 | $83.0M | 0.13% | +977,629 | New |
| Baker Bros. Advisors LP | 875,796 | $74.4M | 0.54% | +875,796 | New |
| Farallon Capital Management, L.L.C. | 805,000 | $68.3M | 0.39% | +805,000 | New |
| Saturn V Capital Management LLC | 801,224 | $68.0M | 14.92% | +178,745+28.7% | Added |
| Standard Life Aberdeen plc | 787,417 | $66.9M | 0.11% | +76,901+10.8% | Added |
| Nationale-Nederlanden Powszechne Towarzystwo Emerytalne S.A. | 731,523 | $62.1M | 4.80% | +731,523 | New |
| Fairmount Funds Management LLC | 713,434 | $60.6M | 5.45% | +713,434 | New |
| Citadel Advisors LLC | 681,785 | $57.9M | 0.05% | −570,472−45.6% | Reduced |
| Boothbay Fund Management, LLC | 597,931 | $50.8M | 1.31% | −272,507−31.3% | Reduced |
| VR Adviser, LLC | 576,729 | $49.0M | 2.76% | −769,051−57.1% | Reduced |
| BVF Inc | 558,031 | $47.4M | 1.92% | +558,031 | New |
| Nantahala Capital Management, LLC | 557,564 | $47.3M | 2.92% | −925,430−62.4% | Reduced |
| Silverarc Capital Management, LLC | 539,704 | $45.8M | 6.63% | +539,704 | New |
| Franklin Resources Inc | 516,090 | $43.8M | 0.01% | −854,960−62.4% | Reduced |
| Price T Rowe Associates Inc | 479,869 | $40.7M | 0.00% | +479,869 | New |
| Holocene Advisors, LP | 461,301 | $39.2M | 0.09% | +461,301 | New |
| Jefferies Financial Group Inc. | 457,325 | $38.8M | 0.36% | +457,325 | New |
| Ensign Peak Advisors, Inc | 455,684 | $38.7M | 0.06% | 00.0% | Unchanged |
| Eversept Partners, LP | 426,499 | $36.2M | 2.77% | +426,499 | New |
| Logos Global Management LP | 415,000 | $35.2M | 3.48% | +415,000 | New |
| Eventide Asset Management, LLC | 396,904 | $33.7M | 0.55% | +396,904 | New |
| Ikarian Capital, LLC | 396,098 | $33.4M | 7.57% | +396,098 | New |
| Perceptive Advisors LLC | 388,608 | $33.0M | 0.95% | +388,608 | New |
| OrbiMed Advisors LLC | 380,000 | $32.3M | 0.77% | +380,000 | New |
| Frazier Life Sciences Management, L.P. | 378,300 | $32.1M | 0.96% | +378,300 | New |
| Affinity Asset Advisors, LLC | 360,000 | $30.6M | 2.84% | +260,000+260.0% | Added |
| Vivo Capital, LLC | 359,305 | $30.5M | 2.45% | +359,305 | New |
| Janus Henderson Group PLC | 354,734 | $30.1M | 0.01% | +354,734 | New |
| RTW Investments, LP | 350,000 | $29.7M | 0.37% | +350,000 | New |
| Lord, Abbett & Co. LLC | 336,706 | $28.6M | 0.09% | +336,706 | New |
| Woodline Partners LP | 311,042 | $26.4M | 0.12% | +127,242+69.2% | Added |
| First Turn Management, LLC | 291,820 | $24.8M | 3.72% | +291,820 | New |
| Evergreen Quality Fund GP, Ltd. | 288,600 | $24.5M | 0.54% | +288,600 | New |
| Artia Global Partners LP | 225,453 | $19.1M | 3.37% | +225,453 | New |
| Pictet Asset Management Holding SA | 196,836 | $16.7M | 0.02% | +196,836 | New |
| Marshall Wace, LLP | 189,704 | $16.1M | 0.02% | +189,704 | New |
| HighVista Strategies LLC | 184,468 | $15.7M | 3.84% | +133,312+260.6% | Added |
| Bronte Capital Management Pty Ltd. | 156,747 | $14.9M | 1.35% | +156,747 | New |
| StemPoint Capital LP | 166,273 | $14.1M | 2.85% | +78,525+89.5% | Added |
| Catalio Capital Management, LP | 162,141 | $13.8M | 2.54% | +162,141 | New |
| Balyasny Asset Management LLC | 160,220 | $13.6M | 0.03% | +160,220 | New |
| Patient Square Capital LP | 151,833 | $12.9M | 3.45% | +151,833 | New |
| Great Point Partners LLC | 150,000 | $12.7M | 5.32% | −1,141,617−88.4% | Reduced |
| Goldman Sachs Group Inc | 135,626 | $11.5M | 0.00% | +135,626 | New |
| TimesSquare Capital Management, LLC | 128,023 | $10.9M | 0.16% | +128,023 | New |
| Boxer Capital Management, LLC | 120,000 | $10.2M | 3.25% | +120,000 | New |
| Apis Capital Advisors, LLC | 105,400 | $8.95M | 1.98% | +105,400 | New |
| Nan Fung Trinity (HK) Ltd | 101,365 | $8.61M | 0.86% | +101,365 | New |
| Federated Hermes, Inc. | 99,500 | $8.45M | 0.01% | +99,500 | New |
| First Light Asset Management, LLC | 95,955 | $8.15M | 0.77% | +95,955 | New |
| Bank of America Corp | 95,593 | $8.12M | 0.00% | +95,057+17,734.5% | Added |
| Hudson Bay Capital Management LP | 91,062 | $7.73M | 0.05% | +91,062 | New |
| Barclays PLC | 76,342 | $6.48M | 0.00% | −37,049−32.7% | Reduced |
| Samsara BioCapital, LLC | 75,442 | $6.41M | 0.84% | +75,442 | New |
| LMR Partners LLP | 74,078 | $6.29M | 0.08% | +74,078 | New |
| Atika Capital Management LLC | 69,000 | $5.86M | 0.50% | +69,000 | New |
| Jane Street Group, LLC | 67,802 | $5.76M | 0.01% | +67,802 | New |
| SEI Investments Co | 66,725 | $5.66M | 0.01% | +66,725 | New |
| Velan Capital Investment Management LP | 64,389 | $5.47M | 5.13% | +64,389 | New |
| Melqart Asset Management (UK) Ltd | 64,157 | $5.45M | 0.73% | +64,157 | New |
| Simplify Asset Management Inc. | 61,449 | $5.22M | 0.11% | +61,449 | New |
| Ameriprise Financial Inc | 58,618 | $4.98M | 0.00% | +58,618 | New |
| Verition Fund Management LLC | 56,618 | $4.81M | 0.03% | +56,618 | New |
| Trexquant Investment LP | 56,420 | $4.79M | 0.05% | +56,420 | New |
| Parkman Healthcare Partners LLC | 55,197 | $4.69M | 0.51% | +55,197 | New |
| HRT Financial LP | 53,078 | $4.51M | 0.02% | +53,078 | New |
| J. Goldman & Co LP | 51,893 | $4.41M | 0.17% | −15,607−23.1% | Reduced |
| Erste Asset Management GmbH | 50,000 | $4.17M | 0.04% | +50,000 | New |
| TD Asset Management Inc | 46,486 | $3.95M | 0.00% | +46,486 | New |
| Russell Investments Group, Ltd. | 41,894 | $3.56M | 0.00% | +41,894 | New |
| Diadema Partners LP | 41,620 | $3.51M | 2.45% | +41,620 | New |
| Findell Capital Management LLC | 40,000 | $3.40M | 1.55% | +40,000 | New |
| Resolute Capital Asset Partners LLC | 40,000 | $3.40M | 1.78% | +40,000 | New |
| Cantor Fitzgerald, L. P. | 35,000 | $2.97M | 0.06% | +35,000 | New |
| Susquehanna International Group, LLP | 34,614 | $2.94M | 0.00% | +34,614 | New |
| Longaeva Partners L.P. | 32,886 | $2.79M | 0.59% | +32,886 | New |
| Tudor Investment Corp Et Al | 32,883 | $2.79M | 0.02% | +32,883 | New |
| Quinn Opportunity Partners LLC | 31,000 | $2.63M | 0.19% | +31,000 | New |
| Privium Fund Management B.V. | 30,412 | $2.58M | 0.46% | +30,412 | New |
| Polygon Management Ltd. | 30,000 | $2.55M | 0.37% | +30,000 | New |
| Geode Capital Management, LLC | 29,852 | $2.53M | 0.00% | +13,034+77.5% | Added |
| LPL Financial LLC | 29,247 | $2.48M | 0.00% | +29,247 | New |
| D. E. Shaw & Co., Inc. | 27,537 | $2.34M | 0.00% | +27,537 | New |
| Manufacturers Life Insurance Company, The | 26,136 | $2.22M | 0.00% | +26,136 | New |
| SummitTX Capital, L.P. | 25,820 | $2.19M | 0.09% | +25,820 | New |
| Greenland Capital Management LP | 25,039 | $2.13M | 0.31% | +25,039 | New |
| Optiver Holding B.V. | 23,104 | $1.96M | 0.03% | +23,104 | New |