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 |
|---|---|---|---|---|---|
| Hudson Bay Capital Management LP | 91,062 | $7.73M | 0.05% | +91,062 | New |
| Bank of America Corp | 95,593 | $8.12M | 0.00% | +95,057+17,734.5% | Added |
| First Light Asset Management, LLC | 95,955 | $8.15M | 0.77% | +95,955 | New |
| Federated Hermes, Inc. | 99,500 | $8.45M | 0.01% | +99,500 | New |
| Nan Fung Trinity (HK) Ltd | 101,365 | $8.61M | 0.86% | +101,365 | New |
| Apis Capital Advisors, LLC | 105,400 | $8.95M | 1.98% | +105,400 | New |
| Boxer Capital Management, LLC | 120,000 | $10.2M | 3.25% | +120,000 | New |
| TimesSquare Capital Management, LLC | 128,023 | $10.9M | 0.16% | +128,023 | New |
| Goldman Sachs Group Inc | 135,626 | $11.5M | 0.00% | +135,626 | New |
| Great Point Partners LLC | 150,000 | $12.7M | 5.32% | −1,141,617−88.4% | Reduced |
| Patient Square Capital LP | 151,833 | $12.9M | 3.45% | +151,833 | New |
| Balyasny Asset Management LLC | 160,220 | $13.6M | 0.03% | +160,220 | New |
| Catalio Capital Management, LP | 162,141 | $13.8M | 2.54% | +162,141 | New |
| StemPoint Capital LP | 166,273 | $14.1M | 2.85% | +78,525+89.5% | Added |
| Bronte Capital Management Pty Ltd. | 156,747 | $14.9M | 1.35% | +156,747 | New |
| HighVista Strategies LLC | 184,468 | $15.7M | 3.84% | +133,312+260.6% | Added |
| Marshall Wace, LLP | 189,704 | $16.1M | 0.02% | +189,704 | New |
| Pictet Asset Management Holding SA | 196,836 | $16.7M | 0.02% | +196,836 | New |
| Artia Global Partners LP | 225,453 | $19.1M | 3.37% | +225,453 | New |
| Evergreen Quality Fund GP, Ltd. | 288,600 | $24.5M | 0.54% | +288,600 | New |
| First Turn Management, LLC | 291,820 | $24.8M | 3.72% | +291,820 | New |
| Woodline Partners LP | 311,042 | $26.4M | 0.12% | +127,242+69.2% | Added |
| Lord, Abbett & Co. LLC | 336,706 | $28.6M | 0.09% | +336,706 | New |
| RTW Investments, LP | 350,000 | $29.7M | 0.37% | +350,000 | New |
| Janus Henderson Group PLC | 354,734 | $30.1M | 0.01% | +354,734 | New |
| Vivo Capital, LLC | 359,305 | $30.5M | 2.45% | +359,305 | New |
| Affinity Asset Advisors, LLC | 360,000 | $30.6M | 2.84% | +260,000+260.0% | Added |
| Frazier Life Sciences Management, L.P. | 378,300 | $32.1M | 0.96% | +378,300 | New |
| OrbiMed Advisors LLC | 380,000 | $32.3M | 0.77% | +380,000 | New |
| Perceptive Advisors LLC | 388,608 | $33.0M | 0.95% | +388,608 | New |
| Ikarian Capital, LLC | 396,098 | $33.4M | 7.57% | +396,098 | New |
| Eventide Asset Management, LLC | 396,904 | $33.7M | 0.55% | +396,904 | New |
| Logos Global Management LP | 415,000 | $35.2M | 3.48% | +415,000 | New |
| Eversept Partners, LP | 426,499 | $36.2M | 2.77% | +426,499 | New |
| Ensign Peak Advisors, Inc | 455,684 | $38.7M | 0.06% | 00.0% | Unchanged |
| Jefferies Financial Group Inc. | 457,325 | $38.8M | 0.36% | +457,325 | New |
| Holocene Advisors, LP | 461,301 | $39.2M | 0.09% | +461,301 | New |
| Price T Rowe Associates Inc | 479,869 | $40.7M | 0.00% | +479,869 | New |
| Franklin Resources Inc | 516,090 | $43.8M | 0.01% | −854,960−62.4% | Reduced |
| Silverarc Capital Management, LLC | 539,704 | $45.8M | 6.63% | +539,704 | New |
| Nantahala Capital Management, LLC | 557,564 | $47.3M | 2.92% | −925,430−62.4% | Reduced |
| BVF Inc | 558,031 | $47.4M | 1.92% | +558,031 | New |
| VR Adviser, LLC | 576,729 | $49.0M | 2.76% | −769,051−57.1% | Reduced |
| Boothbay Fund Management, LLC | 597,931 | $50.8M | 1.31% | −272,507−31.3% | Reduced |
| Citadel Advisors LLC | 681,785 | $57.9M | 0.05% | −570,472−45.6% | Reduced |
| Fairmount Funds Management LLC | 713,434 | $60.6M | 5.45% | +713,434 | New |
| Nationale-Nederlanden Powszechne Towarzystwo Emerytalne S.A. | 731,523 | $62.1M | 4.80% | +731,523 | New |
| Standard Life Aberdeen plc | 787,417 | $66.9M | 0.11% | +76,901+10.8% | Added |
| Saturn V Capital Management LLC | 801,224 | $68.0M | 14.92% | +178,745+28.7% | Added |
| Farallon Capital Management, L.L.C. | 805,000 | $68.3M | 0.39% | +805,000 | New |
| Baker Bros. Advisors LP | 875,796 | $74.4M | 0.54% | +875,796 | New |
| Adage Capital Partners GP, L.L.C. | 977,629 | $83.0M | 0.13% | +977,629 | New |
| Vestal Point Capital, LP | 1,000,000 | $84.9M | 3.85% | +1,000,000 | New |
| Millennium Management LLC | 1,100,030 | $93.4M | 0.07% | −151,735−12.1% | Reduced |
| Octagon Capital Advisors LP | 1,325,000 | $112.5M | 17.57% | +58,000+4.6% | Added |
| ADAR1 Capital Management, LLC | 1,350,826 | $114.7M | 11.36% | −1,720,514−56.0% | Reduced |
| FMR LLC | 1,430,673 | $121.5M | 0.01% | +1,430,673 | New |
| Caligan Partners LP | 1,451,924 | $123.3M | 17.10% | −222,476−13.3% | Reduced |
| Morgan Stanley | 1,470,717 | $124.9M | 0.01% | +995,437+209.4% | Added |
| Paradigm Biocapital Advisors LP | 1,564,196 | $132.8M | 3.93% | +1,564,196 | New |
| Cormorant Asset Management, LP | 1,950,000 | $165.6M | 11.42% | −180,000−8.5% | Reduced |
| Point72 Asset Management, L.P. | 2,925,352 | $248.4M | 0.54% | +2,757,465+1,642.5% | Added |
| Darwin Global Management, Ltd. | 3,164,501 | $263.7M | 7.33% | +3,164,501 | New |
| UBS Group AG | 4,461,262 | $378.8M | 0.07% | +4,293,606+2,561.0% | Added |
| TCG Crossover Management, LLC | 7,111,596 | $603.8M | 29.70% | +1,055,000+17.4% | Added |
| Deep Track Capital, LP | 0 | $0 | 0.00% | −3,480,144−100.0% | Sold out |
| Kennedy Capital Management, Inc. | 0 | $0 | 0.00% | −241,188−100.0% | Sold out |
| Allostery Investments LP | 0 | $0 | 0.00% | −167,350−100.0% | Sold out |
| Soleus Capital Management, L.P. | 0 | $0 | 0.00% | −125,000−100.0% | Sold out |
| Paloma Partners Management Co | 0 | $0 | 0.00% | −95,130−100.0% | Sold out |
| GWM Advisors LLC | 0 | $0 | 0.00% | −30,000−100.0% | Sold out |
| Quadrature Capital Ltd | 0 | $0 | 0.00% | −19,367−100.0% | Sold out |
| Hurley Capital, LLC | 0 | $0 | 0.00% | −3,015−100.0% | Sold out |