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 |
|---|---|---|---|---|---|
| TCG Crossover Management, LLC | 6,481,085 | $721.7M | 20.65% | −630,511−8.9% | Reduced |
| UBS Group AG | 4,547,406 | $506.4M | 0.09% | +123,500+2.8% | Added |
| Darwin Global Management, Ltd. | 3,468,657 | $352.1M | 9.34% | +290,156+9.1% | Added |
| Morgan Stanley | 1,704,958 | $189.8M | 0.01% | −1,447,036−45.9% | Reduced |
| Vestal Point Capital, LP | 1,500,000 | $167.0M | 4.67% | −400,000−21.1% | Reduced |
| Caligan Partners LP | 1,461,924 | $162.8M | 11.51% | +10,000+0.7% | Added |
| ADAR1 Capital Management, LLC | 1,394,019 | $155.2M | 9.33% | +76,690+5.8% | Added |
| Westfield Capital Management Co LP | 1,322,938 | $147.3M | 0.62% | +312,972+31.0% | Added |
| FMR LLC | 1,286,373 | $143.2M | 0.01% | −79,284−5.8% | Reduced |
| Helikon Investments Ltd | 1,013,324 | $112.8M | 4.26% | +1,013,324 | New |
| Eversept Partners, LP | 934,423 | $104.0M | 6.86% | +276,589+42.0% | Added |
| Janus Henderson Group PLC | 878,829 | $98.0M | 0.05% | +211,068+31.6% | Added |
| Baker Bros. Advisors LP | 875,796 | $97.5M | 0.56% | 00.0% | Unchanged |
| Lord, Abbett & Co. LLC | 854,920 | $95.2M | 0.31% | +5,188+0.6% | Added |
| Paradigm Biocapital Advisors LP | 772,473 | $86.0M | 1.76% | −645,000−45.5% | Reduced |
| Nationale-Nederlanden Powszechne Towarzystwo Emerytalne S.A. | 765,915 | $85.3M | 7.23% | +73,942+10.7% | Added |
| Cormorant Asset Management, LP | 760,000 | $84.6M | 4.27% | −590,000−43.7% | Reduced |
| Bank of America Corp | 735,729 | $81.9M | 0.01% | +213,440+40.9% | Added |
| Price T Rowe Associates Inc | 691,670 | $77.0M | 0.01% | +40,026+6.1% | Added |
| Octagon Capital Advisors LP | 677,000 | $75.4M | 8.34% | −79,000−10.4% | Reduced |
| Logos Global Management LP | 675,000 | $75.2M | 3.87% | +275,000+68.8% | Added |
| Point72 Asset Management, L.P. | 637,736 | $71.0M | 0.12% | −1,771,418−73.5% | Reduced |
| Ensign Peak Advisors, Inc | 631,838 | $70.4M | 0.13% | +113,491+21.9% | Added |
| Millennium Management LLC | 605,992 | $67.5M | 0.05% | −135,068−18.2% | Reduced |
| Artia Global Partners LP | 600,747 | $66.9M | 15.08% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 635,066 | $64.5M | 0.00% | +179,143+39.3% | Added |
| Citadel Advisors LLC | 544,338 | $60.6M | 0.04% | −19,409−3.4% | Reduced |
| Saturn V Capital Management LLC | 542,696 | $60.4M | 10.94% | −106,483−16.4% | Reduced |
| Boothbay Fund Management, LLC | 472,961 | $52.7M | 1.24% | −34,920−6.9% | Reduced |
| First Turn Management, LLC | 465,869 | $51.9M | 5.80% | +84,636+22.2% | Added |
| OrbiMed Advisors LLC | 465,700 | $51.9M | 1.18% | +97,800+26.6% | Added |
| Standard Life Aberdeen plc | 431,241 | $48.0M | 0.08% | +4,583+1.1% | Added |
| BlackRock, Inc. | 427,335 | $47.6M | 0.00% | −9,378−2.1% | Reduced |
| Affinity Asset Advisors, LLC | 405,000 | $45.1M | 2.64% | −100,000−19.8% | Reduced |
| Adage Capital Partners GP, L.L.C. | 400,539 | $44.6M | 0.07% | −149,461−27.2% | Reduced |
| Franklin Resources Inc | 382,830 | $42.6M | 0.01% | −66,291−14.8% | Reduced |
| Susquehanna International Group, LLP | 381,282 | $42.5M | 0.05% | −373,554−49.5% | Reduced |
| Goldman Sachs Group Inc | 348,797 | $38.8M | 0.01% | +85,264+32.4% | Added |
| Perceptive Advisors LLC | 328,884 | $36.6M | 0.72% | −129,459−28.2% | Reduced |
| Eventide Asset Management, LLC | 320,576 | $35.7M | 0.59% | −7,335−2.2% | Reduced |
| StemPoint Capital LP | 313,791 | $34.9M | 6.72% | −77,992−19.9% | Reduced |
| Principal Financial Group Inc | 312,274 | $34.8M | 0.02% | +94,384+43.3% | Added |
| Silverarc Capital Management, LLC | 302,530 | $33.7M | 3.97% | −119,663−28.3% | Reduced |
| Holocene Advisors, LP | 258,657 | $28.8M | 0.07% | 00.0% | Unchanged |
| Vivo Capital, LLC | 239,539 | $26.7M | 2.22% | −119,766−33.3% | Reduced |
| Woodline Partners LP | 225,892 | $25.2M | 0.10% | 00.0% | Unchanged |
| Balyasny Asset Management LLC | 213,689 | $23.8M | 0.05% | −144,633−40.4% | Reduced |
| Jennison Associates LLC | 210,534 | $23.4M | 0.02% | +82,627+64.6% | Added |
| Readystate Asset Management LP | 202,022 | $22.5M | 1.31% | +106,293+111.0% | Added |
| Boxer Capital Management, LLC | 200,000 | $22.3M | 2.92% | +75,000+60.0% | Added |
| Creek Drive Management Group LLC | 155,000 | $17.3M | 10.82% | +51,500+49.8% | Added |
| Evergreen Quality Fund GP, Ltd. | 144,300 | $16.1M | 0.37% | −80,000−35.7% | Reduced |
| ExodusPoint Capital Management, LP | 140,262 | $15.6M | 0.16% | −75,011−34.8% | Reduced |
| Hudson Bay Capital Management LP | 139,379 | $15.5M | 0.09% | −68,840−33.1% | Reduced |
| Nantahala Capital Management, LLC | 137,237 | $15.3M | 0.95% | −15,998−10.4% | Reduced |
| Sio Capital Management, LLC | 135,800 | $15.1M | 2.18% | +92,676+214.9% | Added |
| Squadron Capital Management LLC | 130,000 | $14.5M | 5.79% | −15,000−10.3% | Reduced |
| Nan Fung Trinity (HK) Ltd | 128,940 | $14.4M | 1.58% | +15,575+13.7% | Added |
| Apis Capital Advisors, LLC | 128,800 | $14.3M | 2.21% | +39,800+44.7% | Added |
| Invesco Ltd. | 126,420 | $14.1M | 0.00% | +1,017+0.8% | Added |
| Patient Square Capital LP | 121,245 | $13.5M | 2.40% | −8,755−6.7% | Reduced |
| HighVista Strategies LLC | 113,254 | $12.6M | 3.48% | +41,069+56.9% | Added |
| TimesSquare Capital Management, LLC | 109,183 | $12.2M | 0.21% | −20,201−15.6% | Reduced |
| Federated Hermes, Inc. | 108,200 | $12.0M | 0.02% | 00.0% | Unchanged |
| MPM Oncology Impact Management LP | 107,268 | $11.9M | 0.92% | +50,952+90.5% | Added |
| IMC-Chicago, LLC | 106,143 | $11.8M | 0.18% | +89,624+542.6% | Added |
| Findell Capital Management LLC | 105,000 | $11.7M | 3.44% | +57,000+118.8% | Added |
| Prosight Management, LP | 105,000 | $11.7M | 1.92% | +88,000+517.6% | Added |
| Tudor Investment Corp Et Al | 101,611 | $11.3M | 0.06% | +73,075+256.1% | Added |
| Pictet Asset Management Holding SA | 103,545 | $11.2M | 0.01% | −20,904−16.8% | Reduced |
| Kite Lake Capital Management (UK) LLP | 100,000 | $11.1M | 11.23% | +100,000 | New |
| SEI Investments Co | 94,220 | $10.5M | 0.01% | +7,067+8.1% | Added |
| Jane Street Group, LLC | 94,141 | $10.5M | 0.01% | −329,116−77.8% | Reduced |
| Barclays PLC | 90,775 | $10.1M | 0.00% | −218,014−70.6% | Reduced |
| Nicholas Investment Partners, LP | 90,206 | $10.0M | 0.72% | +7,138+8.6% | Added |
| Ameriprise Financial Inc | 83,031 | $9.25M | 0.00% | +15,366+22.7% | Added |
| Oddo BHF Asset Management SAS | 81,496 | $9.07M | 0.36% | +2,146+2.7% | Added |
| Andera Partners | 78,125 | $8.70M | 4.92% | 00.0% | Unchanged |
| Davern Capital Partners, LP | 78,125 | $8.70M | 2.39% | +29,623+61.1% | Added |
| Velan Capital Investment Management LP | 77,000 | $8.57M | 5.37% | +10,000+14.9% | Added |
| LMR Partners LLP | 76,552 | $8.52M | 0.08% | −18,000−19.0% | Reduced |
| LPL Financial LLC | 75,366 | $8.39M | 0.00% | +12,524+19.9% | Added |
| Diadema Partners LP | 75,944 | $8.22M | 3.39% | +300+0.4% | Added |
| Voleon Capital Management LP | 73,726 | $8.21M | 0.18% | −31,660−30.0% | Reduced |
| ACT Capital Management, LLC | 70,900 | $7.89M | 6.20% | +7,000+11.0% | Added |
| TD Asset Management Inc | 65,548 | $7.30M | 0.01% | +1,646+2.6% | Added |
| Russell Investments Group, Ltd. | 65,273 | $7.27M | 0.01% | +800+1.2% | Added |
| Envestnet Asset Management Inc | 59,209 | $6.59M | 0.00% | +13,541+29.7% | Added |
| Centiva Capital, LP | 57,150 | $6.36M | 0.30% | +57,150 | New |
| Samsara BioCapital, LLC | 56,581 | $6.30M | 0.61% | −18,861−25.0% | Reduced |
| Ikarian Capital, LLC | 57,635 | $6.23M | 0.89% | −148,350−72.0% | Reduced |
| K2 Principal Fund, L.P. | 53,741 | $5.98M | 0.63% | +31,241+138.8% | Added |
| Geode Capital Management, LLC | 51,312 | $5.71M | 0.00% | +1,379+2.8% | Added |
| D. E. Shaw & Co., Inc. | 50,550 | $5.63M | 0.00% | +32,950+187.2% | Added |
| Seven Grand Managers, LLC | 50,000 | $5.57M | 0.37% | +50,000 | New |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 49,516 | $5.51M | 0.01% | +24,710+99.6% | Added |
| Trexquant Investment LP | 48,749 | $5.43M | 0.04% | +4,981+11.4% | Added |
| Catalio Capital Management, LP | 47,193 | $5.25M | 1.10% | −51,321−52.1% | Reduced |
| Erste Asset Management GmbH | 50,000 | $5.08M | 0.05% | 00.0% | Unchanged |
| HRT Financial LP | 45,371 | $5.05M | 0.01% | +45,371 | New |