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, Q1 2026
Institutional positions in Abivax S.A. as of Mar 31, 2026. 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
- 254
- +9 vs. Q4 2025
- Shares held
- 50.0M
- −6.27M (−11.1%) vs. Q4 2025
- Total value
- $5.53B
- −$2.08B (−27.3%) vs. Q4 2025
- New holders
- 53
- 111 more added
- Sold out
- 44
- 75 more reduced
2 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Abivax S.A.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Hudson Bay Capital Management LP | 139,379 | $15.5M | 0.09% | −68,840−33.1% | Reduced |
| ExodusPoint Capital Management, LP | 140,262 | $15.6M | 0.16% | −75,011−34.8% | Reduced |
| Evergreen Quality Fund GP, Ltd. | 144,300 | $16.1M | 0.37% | −80,000−35.7% | Reduced |
| Creek Drive Management Group LLC | 155,000 | $17.3M | 10.82% | +51,500+49.8% | Added |
| Boxer Capital Management, LLC | 200,000 | $22.3M | 2.92% | +75,000+60.0% | Added |
| Readystate Asset Management LP | 202,022 | $22.5M | 1.31% | +106,293+111.0% | Added |
| Jennison Associates LLC | 210,534 | $23.4M | 0.02% | +82,627+64.6% | Added |
| Balyasny Asset Management LLC | 213,689 | $23.8M | 0.05% | −144,633−40.4% | Reduced |
| Woodline Partners LP | 225,892 | $25.2M | 0.10% | 00.0% | Unchanged |
| Vivo Capital, LLC | 239,539 | $26.7M | 2.22% | −119,766−33.3% | Reduced |
| Holocene Advisors, LP | 258,657 | $28.8M | 0.07% | 00.0% | Unchanged |
| Silverarc Capital Management, LLC | 302,530 | $33.7M | 3.97% | −119,663−28.3% | Reduced |
| Principal Financial Group Inc | 312,274 | $34.8M | 0.02% | +94,384+43.3% | Added |
| StemPoint Capital LP | 313,791 | $34.9M | 6.72% | −77,992−19.9% | Reduced |
| Eventide Asset Management, LLC | 320,576 | $35.7M | 0.59% | −7,335−2.2% | Reduced |
| Perceptive Advisors LLC | 328,884 | $36.6M | 0.72% | −129,459−28.2% | Reduced |
| Goldman Sachs Group Inc | 348,797 | $38.8M | 0.01% | +85,264+32.4% | Added |
| Susquehanna International Group, LLP | 381,282 | $42.5M | 0.05% | −373,554−49.5% | Reduced |
| Franklin Resources Inc | 382,830 | $42.6M | 0.01% | −66,291−14.8% | Reduced |
| Adage Capital Partners GP, L.L.C. | 400,539 | $44.6M | 0.07% | −149,461−27.2% | Reduced |
| Affinity Asset Advisors, LLC | 405,000 | $45.1M | 2.64% | −100,000−19.8% | Reduced |
| BlackRock, Inc. | 427,335 | $47.6M | 0.00% | −9,378−2.1% | Reduced |
| Standard Life Aberdeen plc | 431,241 | $48.0M | 0.08% | +4,583+1.1% | Added |
| OrbiMed Advisors LLC | 465,700 | $51.9M | 1.18% | +97,800+26.6% | Added |
| First Turn Management, LLC | 465,869 | $51.9M | 5.80% | +84,636+22.2% | Added |
| Boothbay Fund Management, LLC | 472,961 | $52.7M | 1.24% | −34,920−6.9% | Reduced |
| Saturn V Capital Management LLC | 542,696 | $60.4M | 10.94% | −106,483−16.4% | Reduced |
| Citadel Advisors LLC | 544,338 | $60.6M | 0.04% | −19,409−3.4% | Reduced |
| JPMorgan Chase & Co | 635,066 | $64.5M | 0.00% | +179,143+39.3% | Added |
| Artia Global Partners LP | 600,747 | $66.9M | 15.08% | 00.0% | Unchanged |
| Millennium Management LLC | 605,992 | $67.5M | 0.05% | −135,068−18.2% | Reduced |
| Ensign Peak Advisors, Inc | 631,838 | $70.4M | 0.13% | +113,491+21.9% | Added |
| Point72 Asset Management, L.P. | 637,736 | $71.0M | 0.12% | −1,771,418−73.5% | Reduced |
| Logos Global Management LP | 675,000 | $75.2M | 3.87% | +275,000+68.8% | Added |
| Octagon Capital Advisors LP | 677,000 | $75.4M | 8.34% | −79,000−10.4% | Reduced |
| Price T Rowe Associates Inc | 691,670 | $77.0M | 0.01% | +40,026+6.1% | Added |
| Bank of America Corp | 735,729 | $81.9M | 0.01% | +213,440+40.9% | Added |
| Cormorant Asset Management, LP | 760,000 | $84.6M | 4.27% | −590,000−43.7% | Reduced |
| Nationale-Nederlanden Powszechne Towarzystwo Emerytalne S.A. | 765,915 | $85.3M | 7.23% | +73,942+10.7% | Added |
| Paradigm Biocapital Advisors LP | 772,473 | $86.0M | 1.76% | −645,000−45.5% | Reduced |
| Lord, Abbett & Co. LLC | 854,920 | $95.2M | 0.31% | +5,188+0.6% | Added |
| Baker Bros. Advisors LP | 875,796 | $97.5M | 0.56% | 00.0% | Unchanged |
| Janus Henderson Group PLC | 878,829 | $98.0M | 0.05% | +211,068+31.6% | Added |
| Eversept Partners, LP | 934,423 | $104.0M | 6.86% | +276,589+42.0% | Added |
| Helikon Investments Ltd | 1,013,324 | $112.8M | 4.26% | +1,013,324 | New |
| FMR LLC | 1,286,373 | $143.2M | 0.01% | −79,284−5.8% | Reduced |
| Westfield Capital Management Co LP | 1,322,938 | $147.3M | 0.62% | +312,972+31.0% | Added |
| ADAR1 Capital Management, LLC | 1,394,019 | $155.2M | 9.33% | +76,690+5.8% | Added |
| Caligan Partners LP | 1,461,924 | $162.8M | 11.51% | +10,000+0.7% | Added |
| Vestal Point Capital, LP | 1,500,000 | $167.0M | 4.67% | −400,000−21.1% | Reduced |
| Morgan Stanley | 1,704,958 | $189.8M | 0.01% | −1,447,036−45.9% | Reduced |
| Darwin Global Management, Ltd. | 3,468,657 | $352.1M | 9.34% | +290,156+9.1% | Added |
| UBS Group AG | 4,547,406 | $506.4M | 0.09% | +123,500+2.8% | Added |
| TCG Crossover Management, LLC | 6,481,085 | $721.7M | 20.65% | −630,511−8.9% | Reduced |
| Deutsche Bank AG | 0 | $0 | 0.00% | −764,899−100.0% | Sold out |
| BVF Inc | 0 | $0 | 0.00% | −508,031−100.0% | Sold out |
| Frazier Life Sciences Management, L.P. | 0 | $0 | 0.00% | −378,300−100.0% | Sold out |
| First Light Asset Management, LLC | 0 | $0 | 0.00% | −88,674−100.0% | Sold out |
| Samlyn Capital, LLC | 0 | $0 | 0.00% | −84,286−100.0% | Sold out |
| Resolute Capital Asset Partners LLC | 0 | $0 | 0.00% | −65,000−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −59,758−100.0% | Sold out |
| SummitTX Capital, L.P. | 0 | $0 | 0.00% | −56,174−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −54,993−100.0% | Sold out |
| Spruce Street Capital LP | 0 | $0 | 0.00% | −49,119−100.0% | Sold out |
| Soleus Capital Management, L.P. | 0 | $0 | 0.00% | −45,000−100.0% | Sold out |
| Melqart Asset Management (UK) Ltd | 0 | $0 | 0.00% | −32,991−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −26,608−100.0% | Sold out |
| Simplify Asset Management Inc. | 0 | $0 | 0.00% | −16,953−100.0% | Sold out |
| Gilder Gagnon Howe & Co LLC | 0 | $0 | 0.00% | −11,030−100.0% | Sold out |
| Lighthouse Investment Partners, LLC | 0 | $0 | 0.00% | −9,200−100.0% | Sold out |
| Harbor Capital Advisors, Inc. | 0 | $0 | 0.00% | −8,849−100.0% | Sold out |
| DLD Asset Management, LP | 0 | $0 | 0.00% | −7,500−100.0% | Sold out |
| Sabby Management, LLC | 0 | $0 | 0.00% | −7,026−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −6,463−100.0% | Sold out |
| QP Wealth Management, LLC | 0 | $0 | 0.00% | −5,528−100.0% | Sold out |
| Caitong International Asset Management Co., Ltd | 0 | $0 | 0.00% | −4,951−100.0% | Sold out |
| Axxcess Wealth Management, LLC | 0 | $0 | 0.00% | −4,393−100.0% | Sold out |
| Cresset Asset Management, LLC | 0 | $0 | 0.00% | −4,174−100.0% | Sold out |
| Old Mission Capital LLC | 0 | $0 | 0.00% | −3,805−100.0% | Sold out |
| Mirae Asset Global Investments Co., Ltd. | 0 | $0 | 0.00% | −2,869−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −2,513−100.0% | Sold out |
| Baader Bank INC | 0 | $0 | 0.00% | −2,500−100.0% | Sold out |
| Banco BTG Pactual S.A. | 0 | $0 | 0.00% | −2,243−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −2,037−100.0% | Sold out |
| Beverly Hills Private Wealth, LLC | 0 | $0 | 0.00% | −1,743−100.0% | Sold out |
| Corps Capital Advisors, LLC | 0 | $0 | 0.00% | −1,638−100.0% | Sold out |
| Gabelli & Co Investment Advisers, Inc. | 0 | $0 | 0.00% | −1,625−100.0% | Sold out |
| Harvest Management LLC | 0 | $0 | 0.00% | −1,500−100.0% | Sold out |
| Arrowpoint Investment Partners (Singapore) Pte. Ltd. | 0 | $0 | 0.00% | −1,485−100.0% | Sold out |
| Avanza Fonder AB | 0 | $0 | 0.00% | −1,249−100.0% | Sold out |
| Focused Wealth Management, Inc | 0 | $0 | 0.00% | −1,200−100.0% | Sold out |
| Clearstead Advisors, LLC | 0 | $0 | 0.00% | −1,026−100.0% | Sold out |
| T. Rowe Price Investment Management, Inc. | 0 | $0 | 0.00% | −452−100.0% | Sold out |
| Daiwa Securities Group Inc. | 0 | $0 | 0.00% | −170−100.0% | Sold out |
| Kestra Advisory Services, LLC | 0 | $0 | 0.00% | −165−100.0% | Sold out |
| SRS Capital Advisors, Inc. | 0 | $0 | 0.00% | −62−100.0% | Sold out |
| SageView Advisory Group, LLC | 0 | $0 | 0.00% | −41−100.0% | Sold out |
| Rachor Investment Advisory Services, LLC | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| Global Retirement Partners, LLC | – | – | – | – | Not filed |
| CIBC Private Wealth Group, LLC | – | – | – | – | Not filed |