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, Q4 2025
Institutional positions in Abivax S.A. as of Dec 31, 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
- 247
- +83 vs. Q3 2025
- Shares held
- 56.3M
- +4.35M (+8.4%) vs. Q3 2025
- Total value
- $7.61B
- +$3.20B (+72.6%) vs. Q3 2025
- New holders
- 107
- 76 more added
- Sold out
- 24
- 50 more reduced
1 institution that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Abivax S.A.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Himension Fund | 7,750 | $1.05M | 0.06% | −4,212−35.2% | Reduced |
| New York State Common Retirement Fund | 8,672 | $1.17M | 0.00% | +5,753+197.1% | Added |
| Harbor Capital Advisors, Inc. | 8,849 | $1.19M | 0.09% | +8,849 | New |
| Mariner, LLC | 8,981 | $1.21M | 0.00% | +1,087+13.8% | Added |
| Lighthouse Investment Partners, LLC | 9,200 | $1.24M | 0.04% | +9,200 | New |
| Total Clarity Wealth Management, Inc. | 9,245 | $1.25M | 0.30% | +9,245 | New |
| Schonfeld Strategic Advisors LLC | 9,379 | $1.26M | 0.01% | +2,119+29.2% | Added |
| Cinctive Capital Management LP | 9,689 | $1.31M | 0.08% | +9,689 | New |
| Stifel Financial Corp | 10,234 | $1.38M | 0.00% | +10,234 | New |
| Legato Capital Management LLC | 10,648 | $1.44M | 0.12% | +8,094+316.9% | Added |
| Gilder Gagnon Howe & Co LLC | 11,030 | $1.49M | 0.02% | +1,206+12.3% | Added |
| AdvisorShares Investments LLC | 11,200 | $1.51M | 0.25% | +11,200 | New |
| China Universal Asset Management Co., Ltd. | 11,619 | $1.57M | 0.12% | +11,619 | New |
| Progeny 3, Inc. | 12,240 | $1.65M | 0.09% | 00.0% | Unchanged |
| Seven Fleet Capital Management LP | 13,499 | $1.82M | 1.23% | +13,499 | New |
| Brummer Multi-Strategy AB | 14,375 | $1.94M | 11.72% | +14,375 | New |
| Banque Pictet & Cie SA | 15,348 | $2.07M | 0.02% | +15,348 | New |
| IMC-Chicago, LLC | 16,519 | $2.23M | 0.04% | +16,519 | New |
| Dorsey Wright & Associates | 16,620 | $2.24M | 0.48% | +16,620 | New |
| Greenland Capital Management LP | 16,750 | $2.26M | 0.33% | −8,289−33.1% | Reduced |
| Simplify Asset Management Inc. | 16,953 | $2.29M | 0.04% | −44,496−72.4% | Reduced |
| Prosight Management, LP | 17,000 | $2.29M | 0.47% | +17,000 | New |
| Group One Trading, L.P. | 17,383 | $2.34M | 0.07% | +15,578+863.0% | Added |
| D. E. Shaw & Co., Inc. | 17,600 | $2.37M | 0.00% | −9,937−36.1% | Reduced |
| Walleye Trading LLC | 17,886 | $2.41M | 0.04% | +17,886 | New |
| Voya Investment Management LLC | 21,695 | $2.93M | 0.00% | +10,180+88.4% | Added |
| K2 Principal Fund, L.P. | 22,500 | $3.03M | 0.31% | +22,500 | New |
| Walleye Capital LLC | 23,109 | $3.12M | 0.02% | +23,109 | New |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 24,806 | $3.35M | 0.00% | +24,806 | New |
| Bamco Inc | 25,000 | $3.37M | 0.01% | +11,000+78.6% | Added |
| Guggenheim Capital LLC | 25,086 | $3.38M | 0.02% | +7,828+45.4% | Added |
| Aquatic Capital Management LLC | 26,608 | $3.59M | 0.10% | +26,608 | New |
| Tudor Investment Corp Et Al | 28,536 | $3.85M | 0.02% | −4,347−13.2% | Reduced |
| Persistent Asset Partners Ltd | 24,413 | $3.86M | 1.85% | +14,809+154.2% | Added |
| Landscape Capital Management, L.L.C. | 30,054 | $4.05M | 0.27% | +30,054 | New |
| Royal Bank of Canada | 30,867 | $4.16M | 0.00% | +27,912+944.6% | Added |
| HealthInvest Partners AB | 31,590 | $4.26M | 1.36% | +31,590 | New |
| PFM Health Sciences, LP | 31,878 | $4.30M | 0.44% | +31,878 | New |
| Melqart Asset Management (UK) Ltd | 32,991 | $4.45M | 0.45% | −31,166−48.6% | Reduced |
| Manufacturers Life Insurance Company, The | 35,532 | $4.92M | 0.00% | +9,396+36.0% | Added |
| Brevan Howard Capital Management LP | 37,270 | $4.96M | 0.09% | +37,270 | New |
| Sio Capital Management, LLC | 43,124 | $5.82M | 0.96% | +43,124 | New |
| Trexquant Investment LP | 43,768 | $5.90M | 0.05% | −12,652−22.4% | Reduced |
| Soleus Capital Management, L.P. | 45,000 | $6.07M | 0.26% | +45,000 | New |
| Envestnet Asset Management Inc | 45,668 | $6.16M | 0.00% | +25,368+125.0% | Added |
| Findell Capital Management LLC | 48,000 | $6.47M | 2.15% | +8,000+20.0% | Added |
| Davern Capital Partners, LP | 48,502 | $6.54M | 2.11% | +48,502 | New |
| Spruce Street Capital LP | 49,119 | $6.62M | 2.19% | +49,119 | New |
| Geode Capital Management, LLC | 49,933 | $6.73M | 0.00% | +20,081+67.3% | Added |
| Erste Asset Management GmbH | 50,000 | $7.02M | 0.06% | 00.0% | Unchanged |
| Y-Intercept (Hong Kong) Ltd | 54,993 | $7.42M | 0.17% | +54,993 | New |
| Atika Capital Management LLC | 55,000 | $7.42M | 1.03% | −14,000−20.3% | Reduced |
| SummitTX Capital, L.P. | 56,174 | $7.58M | 0.23% | +30,354+117.6% | Added |
| MPM Oncology Impact Management LP | 56,316 | $7.59M | 0.87% | +56,316 | New |
| Marshall Wace, LLP | 59,758 | $8.06M | 0.01% | −129,946−68.5% | Reduced |
| Verition Fund Management LLC | 61,317 | $8.27M | 0.04% | +4,699+8.3% | Added |
| LPL Financial LLC | 62,842 | $8.47M | 0.00% | +33,595+114.9% | Added |
| ACT Capital Management, LLC | 63,900 | $8.62M | 6.97% | +63,900 | New |
| TD Asset Management Inc | 63,902 | $8.62M | 0.01% | +17,416+37.5% | Added |
| Russell Investments Group, Ltd. | 64,473 | $8.69M | 0.01% | +22,579+53.9% | Added |
| Resolute Capital Asset Partners LLC | 65,000 | $8.77M | 4.24% | +25,000+62.5% | Added |
| Velan Capital Investment Management LP | 67,000 | $9.04M | 5.26% | +2,611+4.1% | Added |
| Ameriprise Financial Inc | 67,665 | $9.12M | 0.00% | +9,047+15.4% | Added |
| Ally Bridge Group (NY) LLC | 70,000 | $9.44M | 14.98% | +70,000 | New |
| HighVista Strategies LLC | 72,185 | $9.73M | 2.51% | −112,283−60.9% | Reduced |
| Samsara BioCapital, LLC | 75,442 | $10.2M | 1.05% | 00.0% | Unchanged |
| Diadema Partners LP | 75,644 | $10.2M | 6.08% | +34,024+81.7% | Added |
| Andera Partners | 78,125 | $10.5M | 5.97% | +78,125 | New |
| Oddo BHF Asset Management SAS | 79,350 | $10.7M | 0.40% | +79,350 | New |
| Nicholas Investment Partners, LP | 83,068 | $11.2M | 0.82% | +63,640+327.6% | Added |
| Samlyn Capital, LLC | 84,286 | $11.4M | 0.18% | +84,286 | New |
| SEI Investments Co | 87,153 | $11.7M | 0.01% | +20,428+30.6% | Added |
| First Light Asset Management, LLC | 88,674 | $12.0M | 0.91% | −7,281−7.6% | Reduced |
| Apis Capital Advisors, LLC | 89,000 | $12.0M | 2.09% | −16,400−15.6% | Reduced |
| LMR Partners LLP | 94,552 | $12.8M | 0.12% | +20,474+27.6% | Added |
| Readystate Asset Management LP | 95,729 | $12.9M | 0.57% | +95,729 | New |
| Catalio Capital Management, LP | 98,514 | $13.3M | 2.35% | −63,627−39.2% | Reduced |
| Creek Drive Management Group LLC | 103,500 | $14.0M | 10.28% | +103,500 | New |
| Voleon Capital Management LP | 105,386 | $14.2M | 0.31% | +88,629+528.9% | Added |
| Federated Hermes, Inc. | 108,200 | $14.6M | 0.02% | +8,700+8.7% | Added |
| Nan Fung Trinity (HK) Ltd | 113,365 | $15.3M | 1.21% | +12,000+11.8% | Added |
| Pictet Asset Management Holding SA | 124,449 | $16.8M | 0.02% | −72,387−36.8% | Reduced |
| Boxer Capital Management, LLC | 125,000 | $16.9M | 3.69% | +5,000+4.2% | Added |
| Invesco Ltd. | 125,403 | $16.9M | 0.00% | +125,403 | New |
| Jennison Associates LLC | 127,907 | $17.2M | 0.01% | +127,907 | New |
| TimesSquare Capital Management, LLC | 129,384 | $17.4M | 0.26% | +1,361+1.1% | Added |
| Patient Square Capital LP | 130,000 | $17.5M | 3.75% | −21,833−14.4% | Reduced |
| Squadron Capital Management LLC | 145,000 | $19.6M | 8.73% | +145,000 | New |
| Nantahala Capital Management, LLC | 153,235 | $20.7M | 1.23% | −404,329−72.5% | Reduced |
| Hudson Bay Capital Management LP | 208,219 | $28.1M | 0.16% | +117,157+128.7% | Added |
| ExodusPoint Capital Management, LP | 215,273 | $29.0M | 0.32% | +215,273 | New |
| Ikarian Capital, LLC | 205,985 | $29.1M | 3.77% | −190,113−48.0% | Reduced |
| Principal Financial Group Inc | 217,890 | $29.4M | 0.02% | +217,890 | New |
| Evergreen Quality Fund GP, Ltd. | 224,300 | $30.2M | 0.60% | −64,300−22.3% | Reduced |
| Woodline Partners LP | 225,892 | $30.5M | 0.12% | −85,150−27.4% | Reduced |
| Holocene Advisors, LP | 258,657 | $34.9M | 0.07% | −202,644−43.9% | Reduced |
| Goldman Sachs Group Inc | 263,533 | $35.5M | 0.01% | +127,907+94.3% | Added |
| Barclays PLC | 308,789 | $41.6M | 0.02% | +232,447+304.5% | Added |
| Eventide Asset Management, LLC | 327,911 | $44.2M | 0.69% | −68,993−17.4% | Reduced |
| Balyasny Asset Management LLC | 358,322 | $48.3M | 0.09% | +198,102+123.6% | Added |