Abivax Major Shareholders & Ownership History
| Major Shareholder Name | Reporting Date | Shares Held | Market Value | Change in Shares | Ownership |
|---|---|---|---|---|---|
| TCG CROSSOVER MANAGEMENT, LLC | 08/14/2026 | 6.01 M | $800.60 M | -7.30% | 8.64% |
| DARWIN GLOBAL MANAGEMENT, LTD. | 08/14/2026 | 3.62 M | $348.22 M | 4.41% | 5.21% |
| HELIKON INVESTMENTS LTD | 08/11/2026 | 2.79 M | $371.41 M | 175.05% | 4.01% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 08/14/2026 | 2.46 M | $327.66 M | 367.54% | 3.54% |
| VESTAL POINT CAPITAL, LP | 08/14/2026 | 2.35 M | $313.09 M | 56.63% | 3.38% |
| JUPITER TOPCO LLC | 08/14/2026 | 1.91 M | $255.13 M | 100.00% | 2.75% |
| UBS GROUP AG | 08/13/2026 | 1.84 M | $245.85 M | -59.43% | 2.65% |
| ADAR1 CAPITAL MANAGEMENT, LLC | 08/14/2026 | 1.80 M | $240.49 M | 29.46% | 2.60% |
| CITADEL ADVISORS LLC | 08/14/2026 | 1.60 M | $213.86 M | 242.61% | 2.31% |
| CALIGAN PARTNERS LP | 08/14/2026 | 1.56 M | $207.61 M | 6.57% | 2.24% |
| CITADEL ADVISORS LLC | 08/14/2026 | 1.44 M | $191.67 M | 164.24% | 2.07% |
| MORGAN STANLEY | 08/13/2026 | 1.43 M | $190.85 M | -16.00% | 2.06% |
| WESTFIELD CAPITAL MANAGEMENT CO LP | 08/12/2026 | 1.31 M | $174.55 M | -0.99% | 1.88% |
| CITADEL ADVISORS LLC | 08/14/2026 | 1.20 M | $159.99 M | 267.94% | 1.73% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 08/14/2026 | 1.14 M | $151.28 M | 200.64% | 1.63% |
| RA CAPITAL MANAGEMENT, L.P. | 08/14/2026 | 1.13 M | $150.92 M | 100.00% | 1.63% |
| NORGES BANK | 08/12/2026 | 1.10 M | $146.59 M | 100.00% | 1.58% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 08/14/2026 | 1.05 M | $140.44 M | 176.41% | 1.52% |
| LOGOS GLOBAL MANAGEMENT LP | 08/14/2026 | 1.02 M | $136.46 M | 51.70% | 1.47% |
| OCTAGON CAPITAL ADVISORS LP | 08/14/2026 | 993.00 K | $132.33 M | 46.68% | 1.43% |
| BANK OF AMERICA CORP /DE/ | 08/14/2026 | 971.44 K | $129.45 M | 32.04% | 1.40% |
| EVERSEPT PARTNERS, LP | 08/14/2026 | 913.88 K | $121.78 M | -2.20% | 1.31% |
| GOLDMAN SACHS GROUP INC | 08/14/2026 | 792.71 K | $105.64 M | 127.27% | 1.14% |
| NATIONALE-NEDERLANDEN POWSZECHNE TOWARZYSTWO EMERYTALNE S.A. | 08/07/2026 | 765.33 K | $101.99 M | -0.08% | 1.10% |
| CORMORANT ASSET MANAGEMENT, LP | 08/14/2026 | 675.00 K | $89.95 M | -11.18% | 0.97% |
| BOXER CAPITAL MANAGEMENT, LLC | 08/14/2026 | 605.00 K | $80.62 M | 202.50% | 0.87% |
| BALYASNY ASSET MANAGEMENT L.P. | 08/14/2026 | 603.84 K | $80.47 M | 182.58% | 0.87% |
| SIREN, L.L.C. | 08/13/2026 | 576.00 K | $76.76 M | 100.00% | 0.83% |
| BLACKROCK, INC. | 08/07/2026 | 574.06 K | $76.50 M | 34.34% | 0.83% |
| LMR PARTNERS LLP | 08/14/2026 | 566.80 K | $75.53 M | 1,716.67% | 0.82% |
| BOOTHBAY FUND MANAGEMENT, LLC | 08/14/2026 | 563.37 K | $75.07 M | 19.11% | 0.81% |
| ORBIMED ADVISORS LLC | 08/14/2026 | 546.52 K | $72.83 M | 17.35% | 0.79% |
| ABRDN PLC | 07/31/2026 | 522.03 K | $69.57 M | 21.05% | 0.75% |
| SATURN V CAPITAL MANAGEMENT LLC | 08/14/2026 | 518.87 K | $69.14 M | -4.39% | 0.75% |
| ARTIA GLOBAL PARTNERS LP | 08/14/2026 | 516.45 K | $68.82 M | -14.03% | 0.74% |
| ENSIGN PEAK ADVISORS, INC | 08/14/2026 | 504.47 K | $67.23 M | -20.16% | 0.73% |
| PICTET ASSET MANAGEMENT HOLDING SA | 07/30/2026 | 492.07 K | $65.57 M | 375.22% | 0.71% |
| FIRST TURN MANAGEMENT, LLC | 08/14/2026 | 489.89 K | $65.28 M | 5.16% | 0.70% |
| HOLOCENE ADVISORS, LP | 08/14/2026 | 418.66 K | $55.79 M | 61.86% | 0.60% |
| VIVO CAPITAL, LLC | 08/14/2026 | 414.90 K | $55.29 M | 73.21% | 0.60% |
| SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC | 08/14/2026 | 410.00 K | $54.64 M | 100.00% | 0.59% |
| GREAT POINT PARTNERS LLC | 08/14/2026 | 400.00 K | $53.30 M | 100.00% | 0.58% |
| EVENTIDE ASSET MANAGEMENT, LLC | 08/14/2026 | 394.96 K | $52.63 M | 23.20% | 0.57% |
| EXODUSPOINT CAPITAL MANAGEMENT, LP | 08/14/2026 | 371.00 K | $49.44 M | 603.98% | 0.53% |
| DIADEMA PARTNERS LP | 08/14/2026 | 349.20 K | $46.53 M | 249.20% | 0.50% |
| IKARIAN CAPITAL, LLC | 08/14/2026 | 341.10 K | $45.45 M | 16.30% | 0.49% |
| BIOIMPACT CAPITAL LLC | 08/14/2026 | 336.35 K | $44.82 M | 213.56% | 0.48% |
| AFFINITY ASSET ADVISORS, LLC | 08/13/2026 | 330.00 K | $43.98 M | -18.52% | 0.47% |
| IKARIAN CAPITAL, LLC | 08/14/2026 | 328.64 K | $43.35 M | 470.20% | 0.47% |
| MELQART ASSET MANAGEMENT (UK) LTD | 08/14/2026 | 307.25 K | $40.94 M | 100.00% | 0.44% |
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Abivax institutional Ownership - FAQ's
During the previous two years, 351 institutional investors and hedge funds held shares of Abivax. The most heavily invested institutionals were:
TCG Crossover Management, LLC: 6.01 M
Darwin Global Management, Ltd.: 3.62 M
Helikon Investments Ltd: 2.79 M
Vestal Point Capital, LP: 2.35 M
Jupiter Topco LLC: 1.91 M
UBS Group AG: 1.84 M
79.02% of Abivax stock is owned by institutional investors.
Institutional investors have bought a total of 56.06 M shares in the last 24 months. This purchase volume represents approximately $6.14 B in transactions.