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 |
|---|---|---|---|---|---|
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 47,460 | $6.32M | 0.01% | −2,056−4.2% | Reduced |
| Geode Capital Management, LLC | 51,868 | $6.91M | 0.00% | +556+1.1% | Added |
| Diametric Capital, LP | 51,903 | $6.92M | 0.74% | +41,903+419.0% | Added |
| Senator Investment Group LP | 55,000 | $7.33M | 0.27% | +55,000 | New |
| Samsara BioCapital, LLC | 55,095 | $7.34M | 0.60% | −1,486−2.6% | Reduced |
| HealthInvest Partners AB | 58,170 | $7.75M | 2.09% | +26,580+84.1% | Added |
| Jane Street Group, LLC | 60,195 | $8.02M | 0.01% | −33,946−36.1% | Reduced |
| Envestnet Asset Management Inc | 63,354 | $8.44M | 0.00% | +4,145+7.0% | Added |
| Alberta Investment Management Corp | 65,000 | $8.66M | 0.05% | +20,000+44.4% | Added |
| SummitTX Capital, L.P. | 65,216 | $8.69M | 0.23% | +65,216 | New |
| Velan Capital Investment Management LP | 65,630 | $8.75M | 5.36% | −11,370−14.8% | Reduced |
| Quinn Opportunity Partners LLC | 66,045 | $8.80M | 0.41% | +50,045+312.8% | Added |
| Nwi Management LP | 72,000 | $9.60M | 0.61% | +72,000 | New |
| Perceptive Advisors LLC | 74,000 | $9.86M | 0.15% | −254,884−77.5% | Reduced |
| Apis Capital Advisors, LLC | 74,000 | $9.86M | 0.96% | −54,800−42.5% | Reduced |
| Optiver Holding B.V. | 76,368 | $10.2M | 0.15% | +71,830+1,582.9% | Added |
| Federated Hermes, Inc. | 77,900 | $10.4M | 0.01% | −30,300−28.0% | Reduced |
| Andera Partners | 78,125 | $10.4M | 5.04% | 00.0% | Unchanged |
| LPL Financial LLC | 78,999 | $10.5M | 0.00% | +3,633+4.8% | Added |
| Erste Asset Management GmbH | 110,000 | $10.6M | 0.08% | +60,000+120.0% | Added |
| Qube Research & Technologies Ltd | 81,216 | $10.8M | 0.01% | +81,216 | New |
| Oddo BHF Asset Management SAS | 81,496 | $10.9M | 0.50% | 00.0% | Unchanged |
| IMC-Chicago, LLC | 87,392 | $11.6M | 0.11% | −18,751−17.7% | Reduced |
| Toronto Dominion Bank | 88,331 | $11.8M | 0.02% | +88,331 | New |
| Seven Grand Managers, LLC | 90,000 | $12.0M | 0.48% | +40,000+80.0% | Added |
| D. E. Shaw & Co., Inc. | 90,357 | $12.0M | 0.01% | +39,807+78.7% | Added |
| SEI Investments Co | 92,176 | $12.3M | 0.01% | −2,044−2.2% | Reduced |
| ACT Capital Management, LLC | 97,000 | $12.9M | 8.44% | +26,100+36.8% | Added |
| Wells Fargo & Company | 98,077 | $13.1M | 0.00% | +95,181+3,286.6% | Added |
| TimesSquare Capital Management, LLC | 101,092 | $13.5M | 0.20% | −8,091−7.4% | Reduced |
| Verition Fund Management LLC | 105,791 | $14.1M | 0.10% | +79,843+307.7% | Added |
| Prosight Management, LP | 107,394 | $14.3M | 2.47% | +2,394+2.3% | Added |
| Seven Fleet Capital Management LP | 111,334 | $14.8M | 2.45% | +68,282+158.6% | Added |
| HighVista Strategies LLC | 113,031 | $15.1M | 3.43% | −223−0.2% | Reduced |
| Farallon Capital Management, L.L.C. | 122,000 | $16.3M | 0.10% | +120,000+6,000.0% | Added |
| DG Capital Management, LLC | 122,267 | $16.3M | 5.64% | +122,267 | New |
| Wellington Management Group LLP | 123,289 | $16.4M | 0.00% | +123,289 | New |
| Ameriprise Financial Inc | 129,816 | $17.3M | 0.00% | +46,785+56.3% | Added |
| Apeiron Capital Ltd | 130,600 | $17.4M | 11.18% | +130,600 | New |
| Nantahala Capital Management, LLC | 133,759 | $17.8M | 1.08% | −3,478−2.5% | Reduced |
| Nan Fung Trinity (HK) Ltd | 142,083 | $18.9M | 1.87% | +13,143+10.2% | Added |
| Creek Drive Management Group LLC | 157,500 | $21.0M | 12.97% | +2,500+1.6% | Added |
| Colony Group, LLC | 161,874 | $21.6M | 0.02% | +161,874 | New |
| Diadema Partners LP | 163,644 | $21.6M | 7.63% | +87,700+115.5% | Added |
| Silverarc Capital Management, LLC | 169,593 | $22.6M | 2.52% | −132,937−43.9% | Reduced |
| Findell Capital Management LLC | 185,000 | $24.7M | 4.06% | +80,000+76.2% | Added |
| Tudor Investment Corp Et Al | 187,335 | $25.0M | 0.10% | +85,724+84.4% | Added |
| FMR LLC | 191,689 | $25.5M | 0.00% | −1,094,684−85.1% | Reduced |
| Jennison Associates LLC | 196,524 | $26.2M | 0.02% | −14,010−6.7% | Reduced |
| Western Standard LLC | 200,000 | $26.7M | 9.03% | +200,000 | New |
| Great Point Partners LLC | 204,314 | $27.2M | 6.41% | +204,314 | New |
| Patient Square Capital LP | 206,500 | $27.5M | 4.26% | +85,255+70.3% | Added |
| Woodline Partners LP | 226,966 | $30.2M | 0.09% | +1,074+0.5% | Added |
| Millennium Management LLC | 233,740 | $31.1M | 0.02% | −372,252−61.4% | Reduced |
| Readystate Asset Management LP | 241,530 | $32.2M | 1.31% | +39,508+19.6% | Added |
| Two Seas Capital LP | 244,590 | $32.6M | 1.24% | +244,590 | New |
| Principal Financial Group Inc | 257,678 | $34.3M | 0.02% | −54,596−17.5% | Reduced |
| HRT Financial LP | 270,612 | $36.1M | 0.07% | +225,241+496.4% | Added |
| StemPoint Capital LP | 283,657 | $37.8M | 6.54% | −30,134−9.6% | Reduced |
| Franklin Resources Inc | 299,754 | $39.9M | 0.01% | −83,076−21.7% | Reduced |
| Price T Rowe Associates Inc | 300,365 | $40.0M | 0.00% | −391,305−56.6% | Reduced |
| Kite Lake Capital Management (UK) LLP | 300,600 | $40.1M | 14.20% | +200,600+200.6% | Added |
| Melqart Asset Management (UK) Ltd | 307,250 | $40.9M | 3.90% | +307,250 | New |
| Ikarian Capital, LLC | 328,635 | $43.4M | 7.10% | +271,000+470.2% | Added |
| Affinity Asset Advisors, LLC | 330,000 | $44.0M | 2.15% | −75,000−18.5% | Reduced |
| MPM Oncology Impact Management LP | 336,347 | $44.8M | 2.73% | +229,079+213.6% | Added |
| Eventide Asset Management, LLC | 394,957 | $52.6M | 0.70% | +74,381+23.2% | Added |
| Summit Partners Public Asset Management, LLC | 410,000 | $54.6M | 1.42% | +410,000 | New |
| Vivo Capital, LLC | 414,899 | $55.3M | 5.05% | +175,360+73.2% | Added |
| Holocene Advisors, LP | 418,657 | $55.8M | 0.13% | +160,000+61.9% | Added |
| First Turn Management, LLC | 489,889 | $65.3M | 6.98% | +24,020+5.2% | Added |
| Pictet Asset Management Holding SA | 492,068 | $65.6M | 0.06% | +388,523+375.2% | Added |
| Ensign Peak Advisors, Inc | 504,471 | $67.2M | 0.11% | −127,367−20.2% | Reduced |
| Artia Global Partners LP | 516,447 | $68.8M | 13.08% | −84,300−14.0% | Reduced |
| Saturn V Capital Management LLC | 518,865 | $69.1M | 9.91% | −23,831−4.4% | Reduced |
| Standard Life Aberdeen plc | 522,025 | $69.6M | 0.10% | +90,784+21.1% | Added |
| OrbiMed Advisors LLC | 546,522 | $72.8M | 1.38% | +80,822+17.4% | Added |
| Boothbay Fund Management, LLC | 563,367 | $75.1M | 1.44% | +90,406+19.1% | Added |
| BlackRock, Inc. | 574,061 | $76.5M | 0.00% | +146,726+34.3% | Added |
| Siren, L.L.C. | 576,000 | $76.8M | 1.56% | +576,000 | New |
| Balyasny Asset Management LLC | 603,840 | $80.5M | 0.15% | +390,151+182.6% | Added |
| Boxer Capital Management, LLC | 605,000 | $80.6M | 6.07% | +405,000+202.5% | Added |
| Cormorant Asset Management, LP | 675,000 | $90.0M | 4.61% | −85,000−11.2% | Reduced |
| Nationale-Nederlanden Powszechne Towarzystwo Emerytalne S.A. | 765,332 | $102.0M | 5.59% | −583−0.1% | Reduced |
| Goldman Sachs Group Inc | 792,712 | $105.6M | 0.01% | +443,915+127.3% | Added |
| Eversept Partners, LP | 913,880 | $121.8M | 6.64% | −20,543−2.2% | Reduced |
| Bank of America Corp | 971,439 | $129.5M | 0.01% | +235,710+32.0% | Added |
| Octagon Capital Advisors LP | 993,000 | $132.3M | 12.15% | +316,000+46.7% | Added |
| Logos Global Management LP | 1,024,000 | $136.5M | 5.87% | +349,000+51.7% | Added |
| Susquehanna International Group, LLP | 1,053,896 | $140.4M | 0.12% | +672,614+176.4% | Added |
| Norges Bank | 1,100,000 | $146.6M | 0.01% | +1,100,000 | New |
| Ra Capital Management, L.P. | 1,132,557 | $150.9M | 1.31% | +1,132,557 | New |
| Westfield Capital Management Co LP | 1,309,825 | $174.5M | 0.57% | −13,113−1.0% | Reduced |
| Morgan Stanley | 1,432,185 | $190.9M | 0.01% | −272,773−16.0% | Reduced |
| Citadel Advisors LLC | 1,438,352 | $191.7M | 0.11% | +894,014+164.2% | Added |
| Caligan Partners LP | 1,557,924 | $207.6M | 10.02% | +96,000+6.6% | Added |
| ADAR1 Capital Management, LLC | 1,804,703 | $240.5M | 11.30% | +410,684+29.5% | Added |
| UBS Group AG | 1,844,918 | $245.9M | 0.04% | −2,702,488−59.4% | Reduced |
| Jupiter Topco LLC | 1,913,933 | $255.1M | 0.10% | +1,913,933 | New |
| Vestal Point Capital, LP | 2,349,443 | $313.1M | 7.32% | +849,443+56.6% | Added |