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, Q2 2026
Institutional positions in Abivax S.A. as of Jun 30, 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
- 303
- +52 vs. Q1 2026
- Shares held
- 54.9M
- +5.79M (+11.8%) vs. Q1 2026
- Total value
- $7.18B
- +$1.75B (+32.2%) vs. Q1 2026
- New holders
- 92
- 97 more added
- Sold out
- 40
- 102 more reduced
3 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding Abivax S.A.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| ROSS\JOHNSON & Associates LLC | 1 | $133 | 0.00% | +1 | New |
| Monetary Solutions, Ltd | 1 | $133 | 0.00% | +1 | New |
| Clear Street Group Inc. | 3,811 | $0 | 0.00% | +3,811 | New |
| Baker Bros. Advisors LP | 0 | $0 | 0.00% | −875,796−100.0% | Sold out |
| Paradigm Biocapital Advisors LP | 0 | $0 | 0.00% | −772,473−100.0% | Sold out |
| Evergreen Quality Fund GP, Ltd. | 0 | $0 | 0.00% | −144,300−100.0% | Sold out |
| Hudson Bay Capital Management LP | 0 | $0 | 0.00% | −139,379−100.0% | Sold out |
| Sio Capital Management, LLC | 0 | $0 | 0.00% | −135,800−100.0% | Sold out |
| Squadron Capital Management LLC | 0 | $0 | 0.00% | −130,000−100.0% | Sold out |
| Nicholas Investment Partners, LP | 0 | $0 | 0.00% | −90,206−100.0% | Sold out |
| Davern Capital Partners, LP | 0 | $0 | 0.00% | −78,125−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −48,749−100.0% | Sold out |
| Catalio Capital Management, LP | 0 | $0 | 0.00% | −47,193−100.0% | Sold out |
| Candriam Luxembourg S.C.A. | 0 | $0 | 0.00% | −36,061−100.0% | Sold out |
| Ally Bridge Group (NY) LLC | 0 | $0 | 0.00% | −33,712−100.0% | Sold out |
| Caxton Associates LLP | 0 | $0 | 0.00% | −24,750−100.0% | Sold out |
| Brummer Multi-Strategy AB | 0 | $0 | 0.00% | −22,428−100.0% | Sold out |
| Cinctive Capital Management LP | 0 | $0 | 0.00% | −20,055−100.0% | Sold out |
| Militia Capital Management LLC | 0 | $0 | 0.00% | −17,000−100.0% | Sold out |
| Schroder Investment Management Group | 0 | $0 | 0.00% | −17,928−100.0% | Sold out |
| Fifth Lane Capital, LP | 0 | $0 | 0.00% | −15,858−100.0% | Sold out |
| Banque Pictet & Cie SA | 0 | $0 | 0.00% | −15,040−100.0% | Sold out |
| E Fund Management Co., Ltd. | 0 | $0 | 0.00% | −13,732−100.0% | Sold out |
| Progeny 3, Inc. | 0 | $0 | 0.00% | −12,240−100.0% | Sold out |
| Legato Capital Management LLC | 0 | $0 | 0.00% | −10,533−100.0% | Sold out |
| Avidity Partners Management LP | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Brevan Howard Capital Management LP | 0 | $0 | 0.00% | −9,500−100.0% | Sold out |
| New York State Common Retirement Fund | 0 | $0 | 0.00% | −8,672−100.0% | Sold out |
| Wesbanco Bank Inc | 0 | $0 | 0.00% | −5,000−100.0% | Sold out |
| Hunting Hill Global Capital, LLC | 0 | $0 | 0.00% | −2,775−100.0% | Sold out |
| Connective Portfolio Management, LLC | 0 | $0 | 0.00% | −2,700−100.0% | Sold out |
| GTS Securities LLC | 0 | $0 | 0.00% | −2,652−100.0% | Sold out |
| Ashton Thomas Securities, LLC | 0 | $0 | 0.00% | −2,500−100.0% | Sold out |
| Wiley Bros.-Aintree Capital, LLC | 0 | $0 | 0.00% | −1,854−100.0% | Sold out |
| Gordian Capital Singapore Pte Ltd | 0 | $0 | 0.00% | −1,000−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −442−100.0% | Sold out |
| HighMark Wealth Management LLC | 0 | $0 | 0.00% | −150−100.0% | Sold out |
| MAI Capital Management | 0 | $0 | 0.00% | −25−100.0% | Sold out |
| Pinnacle Wealth Planning Services, Inc. | 0 | $0 | 0.00% | −15−100.0% | Sold out |
| Toth Financial Advisory Corp | 0 | $0 | 0.00% | −11−100.0% | Sold out |
| Atlantic Union Bankshares Corp | 0 | $0 | 0.00% | −10−100.0% | Sold out |
| Fifth Third Bancorp | 0 | $0 | 0.00% | −7−100.0% | Sold out |
| Sunrise Financial Services, LLC | 0 | $0 | 0.00% | −4−100.0% | Sold out |
| Janus Henderson Group PLC | – | – | – | – | Not filed |
| Skopos Labs, Inc. | – | – | – | – | Not filed |
| CWM, LLC | – | – | – | – | Not filed |