Abivax SA-ADRABVX
13F holders, Q2 2026 (June 30)303holders +49
89new positions
39sold out
7famous investors
$130.69avg. 13F price*
At the end of Q2 2026, 303 institutions reported holding Abivax SA-ADR (ABVX) in their 13F filings, up 49 from Q1 2026. 89 opened new positions and 39 sold out. The largest holders were TCG Crossover Management, LLC ($800.6M), Helikon Investments Ltd ($371.4M) and Darwin Global Management, Ltd. ($348.2M). 7 famous investors held it, including Ken Griffin (0.1% of Citadel Advisors's portfolio), Paul Tudor Jones (0.1% of Tudor Investment Corporation's portfolio) and Lee Ainslie (0.0% of Maverick Capital's portfolio).
- Company
- Abivax SA-ADR
- CUSIP
- 00370M103
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 89 | $626.2M |
| Exits | 39 | $305.6M |
All 13F filers, Q1 2026 → Q2 2026: 15,251,359 shares bought and 12,475,503 shares sold, net +2,775,856 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 303 holders
| TCG Crossover Management, LLC | 19.24% | Reduce -7.3% | 6,007,834 | $800.6M |
| Helikon Investments Ltd | 11.10% | Add +175.1% | 2,787,131 | $371.4M |
| Darwin Global Management, Ltd. | 9.26% | Add +4.4% | 3,621,583 | $348.2M |
| Vestal Point Capital, LP | 7.32% | Add +56.6% | 2,349,443 | $313.1M |
| Jupiter Topco LLC | 0.10% | — | 1,913,933 | $255.1M |
| UBS Group AG | 0.04% | Reduce -59.4% | 1,844,918 | $245.9M |
| ADAR1 Capital Management, LLC | 11.39% | Add +29.5% | 1,804,703 | $240.5M |
| Caligan Partners LP | 10.02% | Add +6.6% | 1,557,924 | $207.6M |
| Citadel Advisors | 0.11% | Add +164.2% | 1,438,352 | $191.7M |
| Morgan Stanley | 0.01% | Reduce -16.0% | 1,432,185 | $190.9M |
| Westfield Capital Management Co. LP | 0.57% | Reduce -1.0% | 1,309,825 | $174.5M |
| Ra Capital Management, L.P. | 1.31% | New | 1,132,557 | $150.9M |
| Norges Bank | 0.01% | — | 1,100,000 | $146.6M |
| Susquehanna International Group, LLP | 0.12% | Add +176.4% | 1,053,896 | $140.4M |
| Logos Global Management LP | 5.87% | Add +51.7% | 1,024,000 | $136.5M |
| Octagon Capital Advisors LP | 12.15% | Add +46.7% | 993,000 | $132.3M |
| Bank of America Corp. | 0.01% | Add +32.0% | 971,439 | $129.5M |
| Eversept Partners, LP | 6.64% | Reduce -2.2% | 913,880 | $121.8M |
| Goldman Sachs Group Inc. | 0.01% | Add +127.3% | 792,712 | $105.6M |
| Nationale-Nederlanden Powszechne Towarzystwo Emerytalne S.A. | 5.59% | Reduce -0.1% | 765,332 | $102.0M |
| Cormorant Asset Management, LP | 4.61% | Reduce -11.2% | 675,000 | $90.0M |
| Boxer Capital Management, LLC | 6.07% | Add +202.5% | 605,000 | $80.6M |
| Balyasny Asset Management L.P. | 0.15% | Add +182.6% | 603,840 | $80.5M |
| Siren, L.L.C. | 1.56% | New | 576,000 | $76.8M |
| BlackRock, Inc. | 0.00% | Add +34.3% | 574,061 | $76.5M |
| Boothbay Fund Management, LLC | 1.47% | Add +19.1% | 563,367 | $75.1M |
| Orbimed Advisors LLC | 1.38% | Add +17.4% | 546,522 | $72.8M |
| Aberdeen Group plc | 0.10% | Add +21.1% | 522,025 | $69.6M |
| Saturn V Capital Management LP | 9.91% | Reduce -4.4% | 518,865 | $69.1M |
| Artia Global Partners LP | 13.08% | Reduce -14.0% | 516,447 | $68.8M |
| Ensign Peak Advisors, Inc | 0.11% | Reduce -20.2% | 504,471 | $67.2M |
| Pictet Asset Management Holding SA | 0.06% | Add +375.2% | 492,068 | $65.6M |
| First Turn Management, LLC | 6.98% | Add +5.2% | 489,889 | $65.3M |
| Holocene Advisors, LP | 0.13% | Add +61.9% | 418,657 | $55.8M |
| Vivo Capital, LLC | 5.05% | Add +73.2% | 414,899 | $55.3M |
| Summit Partners Public Asset Management, LLC | 1.42% | New | 410,000 | $54.6M |
| Eventide Asset Management, LLC | 0.70% | Add +23.2% | 394,957 | $52.6M |
| MPM Bioimpact LLC | 2.73% | Add +213.6% | 336,347 | $44.8M |
| Affinity Asset Advisors, LLC | 2.19% | Reduce -18.5% | 330,000 | $44.0M |
| Ikarian Capital, LLC | 7.10% | Add +470.2% | 328,635 | $43.4M |
| Melqart Asset Management (UK) Ltd | 3.90% | New | 307,250 | $40.9M |
| Kite Lake Capital Management (UK) LLP | 15.42% | Add +200.6% | 300,600 | $40.1M |
| T. Rowe Price Associates Inc. | 0.00% | Reduce -56.6% | 300,365 | $40.0M |
| Franklin Resources Inc. | 0.01% | Reduce -21.7% | 299,754 | $39.9M |
| Stempoint Capital LP | 6.54% | Reduce -9.6% | 283,657 | $37.8M |
| HRT Financial LP | 0.07% | Add +496.4% | 270,612 | $36.1M |
| Principal Financial Group Inc. | 0.02% | Reduce -17.5% | 257,678 | $34.3M |
| Two Seas Capital LP | 1.25% | New | 244,590 | $32.6M |
| Readystate Asset Management LP | 2.13% | Add +19.6% | 241,530 | $32.2M |
| Millennium Management | 0.02% | Reduce -61.4% | 233,740 | $31.1M |
| Woodline Partners LP | 0.09% | Add +0.5% | 226,966 | $30.2M |
| Patient Square Capital LP | 4.26% | Add +70.3% | 206,500 | $27.5M |
| Great Point Partners LLC | 6.41% | New | 204,314 | $27.2M |
| Western Standard LLC | 9.03% | New | 200,000 | $26.7M |
| Jennison Associates LLC | 0.02% | Reduce -6.7% | 196,524 | $26.2M |
| FMR LLC | 0.00% | Reduce -85.1% | 191,689 | $25.5M |
| Tudor Investment Corporation | 0.10% | Add +84.4% | 187,335 | $25.0M |
| Findell Capital Management LLC | 4.06% | Add +76.2% | 185,000 | $24.7M |
| Silverarc Capital Management, LLC | 2.52% | Reduce -43.9% | 169,593 | $22.6M |
| Diadema Partners LP | 8.16% | Add +115.5% | 163,644 | $21.6M |
| Focus Partners Wealth | 0.02% | New | 161,874 | $21.6M |
| Creek Drive Management Group LLC | 12.99% | Add +1.6% | 157,500 | $21.0M |
| Nan Fung Trinity (hk) Ltd. | 1.87% | Add +10.2% | 142,083 | $18.9M |
| Nantahala Capital Management, LLC | 1.08% | Reduce -2.5% | 133,759 | $17.8M |
| APEIRON CAPITAL Ltd | 11.18% | New | 130,600 | $17.4M |
| Ameriprise Financial Inc. | 0.00% | Add +56.4% | 129,816 | $17.3M |
| Wellington Management Group LLP | 0.00% | New | 123,289 | $16.4M |
| DG Capital Management, LLC | 6.24% | New | 122,267 | $16.3M |
| Farallon Capital Management, L.L.C. | 0.10% | Add +6000.0% | 122,000 | $16.3M |
| HighVista Strategies LLC | 3.43% | Reduce -0.2% | 113,031 | $15.1M |
| Seven Fleet Capital Management LP | 2.45% | Add +158.6% | 111,334 | $14.8M |
| Prosight Management, LP | 2.47% | Add +2.3% | 107,394 | $14.3M |
| Verition Fund Management LLC | 0.11% | Add +307.7% | 105,791 | $14.1M |
| TimesSquare Capital Management, LLC | 0.20% | Reduce -7.4% | 101,092 | $13.5M |
| Wells Fargo & Company | 0.00% | Add +3286.6% | 98,077 | $13.1M |
| Act Capital Management, LLC | 8.45% | Add +36.8% | 97,000 | $12.9M |
| Sei Investments Co. | 0.01% | Reduce -2.2% | 92,176 | $12.3M |
| D. E. Shaw & Co. | 0.01% | Add +78.8% | 90,357 | $12.0M |
| Seven Grand Managers, LLC | 0.48% | Add +80.0% | 90,000 | $12.0M |
| Toronto Dominion Bank | 0.02% | New | 88,331 | $11.8M |
| IMC-Chicago, LLC | 0.11% | Reduce -17.7% | 87,392 | $11.6M |
| Oddo BHF Asset Management Sas | 0.51% | No change | 81,496 | $10.9M |
| Qube Research & Technologies Ltd | 0.01% | New | 81,216 | $10.8M |
| Erste Asset Management GmbH | 0.08% | Add +120.0% | 110,000 | $10.6M |
| LPL Financial LLC | 0.00% | Add +4.8% | 78,999 | $10.5M |
| Andera Partners | 5.04% | No change | 78,125 | $10.4M |
| Federated Hermes, Inc. | 0.01% | Reduce -28.0% | 77,900 | $10.4M |
| Optiver Holding B.V. | 0.15% | Add +1582.9% | 76,368 | $10.2M |
| Apis Capital Advisors, LLC | 0.96% | Reduce -42.5% | 74,000 | $9.9M |
| Perceptive Advisors LLC | 0.15% | Reduce -77.5% | 74,000 | $9.9M |
| Nwi Management LP | 0.61% | New | 72,000 | $9.6M |
| Quinn Opportunity Partners LLC | 0.41% | Add +312.8% | 66,045 | $8.8M |
| Velan Capital Investment Management LP | 5.36% | Reduce -14.8% | 65,630 | $8.7M |
| SummitTX Capital, L.P. | 0.23% | New | 65,216 | $8.7M |
| Alberta Investment Management Corp | 0.06% | Add +44.4% | 65,000 | $8.7M |
| Envestnet Asset Management Inc. | 0.00% | Add +7.0% | 63,354 | $8.4M |
| Jane Street Group, LLC | 0.01% | Reduce -36.1% | 60,195 | $8.0M |
| Atle Fund Management AB | 2.09% | Add +84.1% | 58,170 | $7.8M |
| Samsara Biocapital, LLC | 0.60% | Reduce -2.6% | 55,095 | $7.3M |
| Senator Investment Group LP | 0.27% | New | 55,000 | $7.3M |
"% of holder's portfolio" is ABVX's weight in each manager's 13F, not the share of Abivax SA-ADR the manager owns.