ABVX Institutional Ownership & Shareholders
ABIVAX SA-ADR (ABVX) is currently held by 292 institutional investors tracked by InsiderSet, with a combined reported market value of approximately $6.99B based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026.
Tcg Crossover Management, Llc is currently the largest disclosed institutional shareholder of ABVX tracked by InsiderSet, reporting ownership valued at approximately $800.60M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $520.22M, representing an estimated loss of -35.02% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 44% of the total disclosed ABVX value among the investors covered in this analysis. Major shareholders include Tcg Crossover Management, Llc, Helikon Investments Ltd, Darwin Global Management, Ltd., and several other long-term asset managers with concentrated positions in ABIVAX SA-ADR (ABVX).
This page ranks the largest institutional ABVX shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
292
Total Reported Value
$6.99B
Largest Holder
Tcg Crossover Management, Llc
Largest Position
$800.60M
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
79
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Tcg Crossover Management, Llc | 19.24% | 6,007,834 | $800,603,959 | $520,218,346 | -$280,385,613 | -35.02% | |
| Helikon Investments Ltd | 11.10% | 2,787,131 | $371,413,077 | $241,337,673 | -$130,075,404 | -35.02% | |
| Darwin Global Management, Ltd. | 9.26% | 3,621,583 | $348,215,205 | $313,592,872 | -$34,622,333 | -9.94% | |
| Vestal Point Capital, Lp | 7.32% | 2,349,443 | $313,086,774 | $203,438,269 | -$109,648,505 | -35.02% | |
| Ubs Group Ag | 0.04% | 1,844,918 | $245,853,773 | $159,751,450 | -$86,102,323 | -35.02% | |
| Adar1 Capital Management, Llc | 11.30% | 1,804,703 | $240,494,722 | $156,269,233 | -$84,225,489 | -35.02% | |
| Caligan Partners Lp | 10.02% | 1,557,924 | $207,608,952 | $134,900,639 | -$72,708,313 | -35.02% | |
| Citadel Advisors Llc | 0.11% | 1,438,352 | $191,674,788 | $124,546,900 | -$67,127,888 | -35.02% | |
| Morgan Stanley | 0.01% | 1,432,185 | $190,852,973 | $124,012,899 | -$66,840,074 | -35.02% | |
| Westfield Capital Management Co Lp | 0.57% | 1,309,825 | $174,547,280 | $113,417,747 | -$61,129,533 | -35.02% | |
| Ra Capital Management, L.P. | 1.31% | 1,132,557 | $150,924,546 | $98,068,111 | -$52,856,435 | -35.02% | |
| Norges Bank | 0.01% | 1,100,000 | $146,586,000 | $95,249,000 | -$51,337,000 | -35.02% | |
| Susquehanna International Group, Llp | 0.12% | 1,053,896 | $140,442,181 | $91,256,855 | -$49,185,326 | -35.02% | |
| Logos Global Management Lp | 5.87% | 1,024,000 | $136,458,240 | $88,668,160 | -$47,790,080 | -35.02% | |
| Octagon Capital Advisors Lp | 12.15% | 993,000 | $132,327,180 | $85,983,870 | -$46,343,310 | -35.02% | |
| Bank Of America Corp | 0.01% | 971,439 | $129,453,961 | $84,116,903 | -$45,337,058 | -35.02% | |
| Eversept Partners, Lp | 6.64% | 913,880 | $121,783,649 | $79,132,869 | -$42,650,780 | -35.02% | |
| Goldman Sachs Group Inc | 0.01% | 792,712 | $105,636,801 | $68,640,932 | -$36,995,869 | -35.02% | |
| Nationale-Nederlanden Powszechne Towarzystwo Emerytalne S.A. | 5.59% | 765,332 | $101,988,142 | $66,270,098 | -$35,718,044 | -35.02% | |
| Janus Henderson Group Plc | 0.05% | 878,829 | $98,007,010 | $76,097,803 | -$21,909,207 | -22.35% | |
| Cormorant Asset Management, Lp | 4.61% | 675,000 | $89,950,500 | $58,448,250 | -$31,502,250 | -35.02% | |
| Boxer Capital Management, Llc | 6.07% | 605,000 | $80,622,300 | $52,386,950 | -$28,235,350 | -35.02% | |
| Balyasny Asset Management L.P. | 0.15% | 603,840 | $80,467,718 | $52,286,506 | -$28,181,212 | -35.02% | |
| Siren, L.L.C. | 1.56% | 576,000 | $76,757,760 | $49,875,840 | -$26,881,920 | -35.02% | |
| Blackrock, Inc. | 0.00% | 574,061 | $76,499,369 | $49,707,942 | -$26,791,427 | -35.02% | |
| Boothbay Fund Management, Llc | 1.40% | 563,367 | $75,074,286 | $48,781,949 | -$26,292,337 | -35.02% | |
| Orbimed Advisors Llc | 1.38% | 546,522 | $72,829,522 | $47,323,340 | -$25,506,182 | -35.02% | |
| Ensign Peak Advisors, Inc | 0.13% | 631,838 | $70,355,161 | $54,710,852 | -$15,644,309 | -22.24% | |
| Aberdeen Group Plc | 0.10% | 522,025 | $69,565,052 | $45,202,145 | -$24,362,907 | -35.02% | |
| Saturn V Capital Management Lp | 9.91% | 518,865 | $69,143,950 | $44,928,520 | -$24,215,430 | -35.02% | |
| Artia Global Partners Lp | 13.08% | 516,447 | $68,821,727 | $44,719,146 | -$24,102,581 | -35.02% | |
| Two Seas Capital Lp | 2.67% | 676,589 | $66,995,843 | $58,585,842 | -$8,410,001 | -12.55% | |
| Pictet Asset Management Holding Sa | 0.06% | 492,068 | $65,572,982 | $42,608,168 | -$22,964,814 | -35.02% | |
| First Turn Management, Llc | 6.98% | 489,889 | $65,282,608 | $42,419,489 | -$22,863,119 | -35.02% | |
| Holocene Advisors, Lp | 0.13% | 418,657 | $55,790,232 | $36,251,510 | -$19,538,722 | -35.02% | |
| Vivo Capital, Llc | 5.05% | 414,899 | $55,289,441 | $35,926,104 | -$19,363,337 | -35.02% | |
| Summit Partners Public Asset Management, Llc | 1.42% | 410,000 | $54,636,600 | $35,501,900 | -$19,134,700 | -35.02% | |
| Eventide Asset Management, Llc | 0.70% | 394,957 | $52,625,476 | $34,199,327 | -$18,426,149 | -35.01% | |
| Mpm Bioimpact Llc | 2.73% | 336,347 | $44,821,601 | $29,124,287 | -$15,697,314 | -35.02% | |
| Affinity Asset Advisors, Llc | 2.15% | 330,000 | $43,975,800 | $28,574,700 | -$15,401,100 | -35.02% | |
| Ikarian Capital, Llc | 7.10% | 328,635 | $43,352,978 | $28,456,505 | -$14,896,473 | -34.36% | |
| Melqart Asset Management (Uk) Ltd | 3.90% | 307,250 | $40,944,135 | $26,604,778 | -$14,339,358 | -35.02% | |
| Kite Lake Capital Management (Uk) Llp | 14.20% | 300,600 | $40,057,956 | $26,028,954 | -$14,029,002 | -35.02% | |
| Price T Rowe Associates Inc | 0.00% | 300,365 | $40,027,000 | $26,008,605 | -$14,018,395 | -35.02% | |
| Stempoint Capital Lp | 6.54% | 283,657 | $37,800,132 | $24,561,860 | -$13,238,272 | -35.02% | |
| Hrt Financial Lp | 0.07% | 270,612 | $36,061,000 | $23,432,293 | -$12,628,707 | -35.02% | |
| Readystate Asset Management Lp | 1.31% | 241,530 | $32,186,288 | $20,914,083 | -$11,272,205 | -35.02% | |
| Millennium Management Llc | 0.02% | 233,740 | $31,148,192 | $20,239,547 | -$10,908,645 | -35.02% | |
| Woodline Partners Lp | 0.09% | 226,966 | $30,245,489 | $19,652,986 | -$10,592,503 | -35.02% | |
| Principal Financial Group Inc | 0.02% | 305,228 | $30,223,679 | $26,429,693 | -$3,793,986 | -12.55% |
Frequently asked questions about ABVX
Who are the largest institutional holders of ABVX?
The largest institutional holders of ABVX reported in the latest SEC Form 13F filings include Tcg Crossover Management, Llc, Helikon Investments Ltd, Darwin Global Management, Ltd., Vestal Point Capital, Lp, and Ubs Group Ag. InsiderSet ranks institutional holders by their latest reported ABVX position.
What is ABVX institutional ownership?
This page tracks ABVX positions reported by institutional investment managers through SEC Form 13F. ABIVAX SA-ADR (ABVX) institutional ownership on InsiderSet reflects disclosed 13F holdings among the managers we analyze, not every shareholder of the stock.
How many institutions own ABVX?
InsiderSet currently tracks 292 institutional managers reporting ABVX holdings in the latest available 13F data. This count reflects institutions included in the SEC Form 13F filings analyzed by InsiderSet and should not be interpreted as the total number of ABVX shareholders.
How much ABVX stock do institutions own?
Institutional investment managers disclosed approximately $6.99B in ABVX holdings for Q2 2026. This figure is reported 13F value as of the filing period, not necessarily today's market value.
When was ABVX institutional ownership last updated?
The latest ABVX institutional ownership data on InsiderSet is based on SEC Form 13F filings for the quarter ended June 30, 2026. Form 13F filings are generally reported after the quarter ends, so the holdings shown represent the latest publicly disclosed positions rather than real-time institutional holdings.
Are institutional ABVX holdings real-time?
No. Form 13F data is not real-time. It represents positions reported by institutional investment managers as of the end of the reporting quarter. An institution may have changed its ABVX position after the reporting date.
Are institutions buying or selling ABVX?
Institutional buying and selling can be analyzed by comparing ABVX positions across consecutive 13F reporting periods. InsiderSet's ABVX Ownership Changes page shows institutions that increased, reduced, initiated, or exited positions based on reported 13F holdings. View ABVX ownership changes.
How has ABVX institutional ownership changed over time?
InsiderSet tracks ABVX institutional holdings across multiple 13F reporting periods, allowing investors to compare institutional holder counts, reported value, and reported shares over time.