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 |
|---|---|---|---|---|---|
| Cetera Investment Advisers | 7,260 | $808.4K | 0.00% | +552+8.2% | Added |
| Total Clarity Wealth Management, Inc. | 7,410 | $825.1K | 0.19% | −1,835−19.8% | Reduced |
| Gabelli Funds LLC | 7,450 | $829.6K | 0.01% | +2,500+50.5% | Added |
| Nine Masts Capital Ltd | 7,500 | $835.1K | 0.13% | +3,500+87.5% | Added |
| CenterBook Partners LP | 8,436 | $939.3K | 0.05% | +1,260+17.6% | Added |
| Walleye Capital LLC | 8,594 | $956.9K | 0.01% | −14,515−62.8% | Reduced |
| New York State Common Retirement Fund | 8,672 | $965.6K | 0.00% | 00.0% | Unchanged |
| Kennedy Capital Management, Inc. | 8,757 | $975.1K | 0.02% | +8,757 | New |
| Brevan Howard Capital Management LP | 9,500 | $1.06M | 0.01% | −27,770−74.5% | Reduced |
| Virtu Financial LLC | 9,551 | $1.06M | 0.04% | +9,551 | New |
| Himension Fund | 9,659 | $1.08M | 0.08% | +1,909+24.6% | Added |
| Walleye Trading LLC | 9,769 | $1.09M | 0.02% | −8,117−45.4% | Reduced |
| Diametric Capital, LP | 10,000 | $1.11M | 0.29% | +10,000 | New |
| Avidity Partners Management LP | 10,000 | $1.11M | 0.23% | +10,000 | New |
| Jefferies Financial Group Inc. | 10,153 | $1.13M | 0.01% | −447,172−97.8% | Reduced |
| Legato Capital Management LLC | 10,533 | $1.17M | 0.11% | −115−1.1% | Reduced |
| Stifel Financial Corp | 10,777 | $1.20M | 0.00% | +543+5.3% | Added |
| Mariner, LLC | 11,006 | $1.22M | 0.00% | +2,025+22.5% | Added |
| AdvisorShares Investments LLC | 11,802 | $1.31M | 0.24% | +602+5.4% | Added |
| Progeny 3, Inc. | 12,240 | $1.36M | 0.07% | 00.0% | Unchanged |
| J. Goldman & Co LP | 12,749 | $1.42M | 0.07% | +9,457+287.3% | Added |
| China Universal Asset Management Co., Ltd. | 12,903 | $1.44M | 0.11% | +1,284+11.1% | Added |
| FORA Capital, LLC | 13,186 | $1.47M | 0.11% | +5,327+67.8% | Added |
| E Fund Management Co., Ltd. | 13,732 | $1.53M | 0.05% | +13,732 | New |
| Schonfeld Strategic Advisors LLC | 14,313 | $1.59M | 0.01% | +4,934+52.6% | Added |
| Banque Pictet & Cie SA | 15,040 | $1.67M | 0.02% | −308−2.0% | Reduced |
| Royal Bank of Canada | 15,123 | $1.68M | 0.00% | −15,744−51.0% | Reduced |
| HSBC Holdings PLC | 15,426 | $1.71M | 0.00% | +11,887+335.9% | Added |
| Fifth Lane Capital, LP | 15,858 | $1.77M | 2.14% | +12,408+359.7% | Added |
| Quinn Opportunity Partners LLC | 16,000 | $1.78M | 0.09% | +16,000 | New |
| PSquared Asset Management AG | 16,200 | $1.80M | 0.63% | +15,960+6,650.0% | Added |
| Schroder Investment Management Group | 17,928 | $1.82M | 0.00% | +17,928 | New |
| Diversify Wealth Management, LLC | 17,736 | $1.88M | 0.03% | +14,626+470.3% | Added |
| Militia Capital Management LLC | 17,000 | $1.89M | 0.42% | +17,000 | New |
| Voya Investment Management LLC | 18,500 | $2.06M | 0.00% | −3,195−14.7% | Reduced |
| Cinctive Capital Management LP | 20,055 | $2.23M | 0.15% | +10,366+107.0% | Added |
| Brummer Multi-Strategy AB | 22,428 | $2.50M | 10.40% | +8,053+56.0% | Added |
| Persistent Asset Partners Ltd | 22,838 | $2.54M | 0.99% | −1,575−6.5% | Reduced |
| Dorsey Wright & Associates | 23,452 | $2.61M | 0.32% | +6,832+41.1% | Added |
| Caxton Associates LLP | 24,750 | $2.76M | 0.06% | +24,750 | New |
| Guggenheim Capital LLC | 25,074 | $2.79M | 0.02% | −120.0% | Reduced |
| Verition Fund Management LLC | 25,948 | $2.89M | 0.03% | −35,369−57.7% | Reduced |
| PFM Health Sciences, LP | 26,664 | $2.97M | 0.31% | −5,214−16.4% | Reduced |
| Atika Capital Management LLC | 28,800 | $3.21M | 0.51% | −26,200−47.6% | Reduced |
| Landscape Capital Management, L.L.C. | 30,353 | $3.38M | 0.21% | +299+1.0% | Added |
| Ally Bridge Group (NY) LLC | 33,712 | $3.75M | 3.73% | −36,288−51.8% | Reduced |
| Group One Trading, L.P. | 35,767 | $3.98M | 0.13% | +18,384+105.8% | Added |
| Candriam Luxembourg S.C.A. | 36,061 | $4.02M | 0.02% | +36,061 | New |
| Manufacturers Life Insurance Company, The | 38,595 | $4.30M | 0.00% | +3,063+8.6% | Added |
| BNP Paribas Arbitrage, SA | 40,362 | $4.49M | 0.00% | +37,345+1,237.8% | Added |
| Syquant Capital SAS | 42,500 | $4.73M | 0.74% | +42,500 | New |
| HealthInvest Partners AB | 31,590 | $4.78M | 1.54% | 00.0% | Unchanged |
| Seven Fleet Capital Management LP | 43,052 | $4.79M | 1.51% | +29,553+218.9% | Added |
| Alberta Investment Management Corp | 45,000 | $5.01M | 0.03% | +45,000 | New |
| HRT Financial LP | 45,371 | $5.05M | 0.01% | +45,371 | New |
| Erste Asset Management GmbH | 50,000 | $5.08M | 0.05% | 00.0% | Unchanged |
| Catalio Capital Management, LP | 47,193 | $5.25M | 1.10% | −51,321−52.1% | Reduced |
| Trexquant Investment LP | 48,749 | $5.43M | 0.04% | +4,981+11.4% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 49,516 | $5.51M | 0.01% | +24,710+99.6% | Added |
| Seven Grand Managers, LLC | 50,000 | $5.57M | 0.37% | +50,000 | New |
| D. E. Shaw & Co., Inc. | 50,550 | $5.63M | 0.00% | +32,950+187.2% | Added |
| Geode Capital Management, LLC | 51,312 | $5.71M | 0.00% | +1,379+2.8% | Added |
| K2 Principal Fund, L.P. | 53,741 | $5.98M | 0.63% | +31,241+138.8% | Added |
| Ikarian Capital, LLC | 57,635 | $6.23M | 0.89% | −148,350−72.0% | Reduced |
| Samsara BioCapital, LLC | 56,581 | $6.30M | 0.61% | −18,861−25.0% | Reduced |
| Centiva Capital, LP | 57,150 | $6.36M | 0.30% | +57,150 | New |
| Envestnet Asset Management Inc | 59,209 | $6.59M | 0.00% | +13,541+29.7% | Added |
| Russell Investments Group, Ltd. | 65,273 | $7.27M | 0.01% | +800+1.2% | Added |
| TD Asset Management Inc | 65,548 | $7.30M | 0.01% | +1,646+2.6% | Added |
| ACT Capital Management, LLC | 70,900 | $7.89M | 6.20% | +7,000+11.0% | Added |
| Voleon Capital Management LP | 73,726 | $8.21M | 0.18% | −31,660−30.0% | Reduced |
| Diadema Partners LP | 75,944 | $8.22M | 3.39% | +300+0.4% | Added |
| LPL Financial LLC | 75,366 | $8.39M | 0.00% | +12,524+19.9% | Added |
| LMR Partners LLP | 76,552 | $8.52M | 0.08% | −18,000−19.0% | Reduced |
| Velan Capital Investment Management LP | 77,000 | $8.57M | 5.37% | +10,000+14.9% | 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 |
| Oddo BHF Asset Management SAS | 81,496 | $9.07M | 0.36% | +2,146+2.7% | Added |
| Ameriprise Financial Inc | 83,031 | $9.25M | 0.00% | +15,366+22.7% | Added |
| Nicholas Investment Partners, LP | 90,206 | $10.0M | 0.72% | +7,138+8.6% | Added |
| Barclays PLC | 90,775 | $10.1M | 0.00% | −218,014−70.6% | Reduced |
| Jane Street Group, LLC | 94,141 | $10.5M | 0.01% | −329,116−77.8% | Reduced |
| SEI Investments Co | 94,220 | $10.5M | 0.01% | +7,067+8.1% | Added |
| Kite Lake Capital Management (UK) LLP | 100,000 | $11.1M | 11.23% | +100,000 | New |
| Pictet Asset Management Holding SA | 103,545 | $11.2M | 0.01% | −20,904−16.8% | Reduced |
| Tudor Investment Corp Et Al | 101,611 | $11.3M | 0.06% | +73,075+256.1% | 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 |
| IMC-Chicago, LLC | 106,143 | $11.8M | 0.18% | +89,624+542.6% | Added |
| MPM Oncology Impact Management LP | 107,268 | $11.9M | 0.92% | +50,952+90.5% | Added |
| Federated Hermes, Inc. | 108,200 | $12.0M | 0.02% | 00.0% | Unchanged |
| TimesSquare Capital Management, LLC | 109,183 | $12.2M | 0.21% | −20,201−15.6% | Reduced |
| HighVista Strategies LLC | 113,254 | $12.6M | 3.48% | +41,069+56.9% | Added |
| Patient Square Capital LP | 121,245 | $13.5M | 2.40% | −8,755−6.7% | Reduced |
| Invesco Ltd. | 126,420 | $14.1M | 0.00% | +1,017+0.8% | Added |
| Apis Capital Advisors, LLC | 128,800 | $14.3M | 2.21% | +39,800+44.7% | Added |
| Nan Fung Trinity (HK) Ltd | 128,940 | $14.4M | 1.58% | +15,575+13.7% | Added |
| Squadron Capital Management LLC | 130,000 | $14.5M | 5.79% | −15,000−10.3% | Reduced |
| Sio Capital Management, LLC | 135,800 | $15.1M | 2.18% | +92,676+214.9% | Added |
| Nantahala Capital Management, LLC | 137,237 | $15.3M | 0.95% | −15,998−10.4% | Reduced |