ABIVAX SA-ADR (ABVX) Institutional Shareholders
ABIVAX SA-ADR (ABVX) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $6.88B in ABVX holdings during the latest filing period.
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 $725.33M, representing an estimated loss of -9.40% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 45% 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
295
Total Reported Value
$6.88B
Largest Holder
Tcg Crossover Management, Llc
Largest Position
$800.60M
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
88
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 | $725,325,799 | -$75,278,160 | -9.40% | |
| Helikon Investments Ltd | 11.10% | 2,787,131 | $371,413,077 | $336,490,326 | -$34,922,751 | -9.40% | |
| Darwin Global Management, Ltd. | 9.26% | 3,621,583 | $348,215,205 | $437,233,716 | +$89,018,511 | +25.56% | |
| Vestal Point Capital, Lp | 7.32% | 2,349,443 | $313,086,774 | $283,648,253 | -$29,438,521 | -9.40% | |
| Ubs Group Ag | 0.04% | 1,844,918 | $245,853,773 | $222,736,950 | -$23,116,823 | -9.40% | |
| Adar1 Capital Management, Llc | 11.30% | 1,804,703 | $240,494,722 | $217,881,793 | -$22,612,929 | -9.40% | |
| Caligan Partners Lp | 10.02% | 1,557,924 | $207,608,952 | $188,088,165 | -$19,520,787 | -9.40% | |
| Citadel Advisors Llc | 0.11% | 1,438,352 | $191,674,788 | $173,652,237 | -$18,022,551 | -9.40% | |
| Morgan Stanley | 0.01% | 1,432,185 | $190,852,973 | $172,907,695 | -$17,945,278 | -9.40% | |
| Westfield Capital Management Co Lp | 0.57% | 1,309,825 | $174,547,280 | $158,135,172 | -$16,412,108 | -9.40% | |
| Ra Capital Management, L.P. | 1.31% | 1,132,557 | $150,924,546 | $136,733,607 | -$14,190,939 | -9.40% | |
| Norges Bank | 0.01% | 1,100,000 | $146,586,000 | $132,803,000 | -$13,783,000 | -9.40% | |
| Susquehanna International Group, Llp | 0.12% | 1,053,896 | $140,442,181 | $127,236,864 | -$13,205,317 | -9.40% | |
| Logos Global Management Lp | 5.87% | 1,024,000 | $136,458,240 | $123,627,520 | -$12,830,720 | -9.40% | |
| Octagon Capital Advisors Lp | 12.15% | 993,000 | $132,327,180 | $119,884,890 | -$12,442,290 | -9.40% | |
| Bank Of America Corp | 0.01% | 971,439 | $129,453,961 | $117,281,830 | -$12,172,131 | -9.40% | |
| Eversept Partners, Lp | 6.64% | 913,880 | $121,783,649 | $110,332,732 | -$11,450,917 | -9.40% | |
| Goldman Sachs Group Inc | 0.01% | 792,712 | $105,636,801 | $95,704,120 | -$9,932,681 | -9.40% | |
| Nationale-Nederlanden Powszechne Towarzystwo Emerytalne S.A. | 5.59% | 765,332 | $101,988,142 | $92,398,532 | -$9,589,610 | -9.40% | |
| Janus Henderson Group Plc | 0.05% | 878,829 | $98,007,010 | $106,101,025 | +$8,094,015 | +8.26% | |
| Cormorant Asset Management, Lp | 4.61% | 675,000 | $89,950,500 | $81,492,750 | -$8,457,750 | -9.40% | |
| Boxer Capital Management, Llc | 6.07% | 605,000 | $80,622,300 | $73,041,650 | -$7,580,650 | -9.40% | |
| Balyasny Asset Management L.P. | 0.15% | 603,840 | $80,467,718 | $72,901,603 | -$7,566,115 | -9.40% | |
| Siren, L.L.C. | 1.56% | 576,000 | $76,757,760 | $69,540,480 | -$7,217,280 | -9.40% | |
| Blackrock, Inc. | 0.00% | 574,061 | $76,499,369 | $69,306,385 | -$7,192,984 | -9.40% | |
| Boothbay Fund Management, Llc | 1.40% | 563,367 | $75,074,286 | $68,015,298 | -$7,058,988 | -9.40% | |
| Orbimed Advisors Llc | 1.38% | 546,522 | $72,829,522 | $65,981,601 | -$6,847,921 | -9.40% | |
| Aberdeen Group Plc | 0.10% | 522,025 | $69,565,052 | $63,024,078 | -$6,540,974 | -9.40% | |
| Saturn V Capital Management Lp | 9.91% | 518,865 | $69,143,950 | $62,642,571 | -$6,501,379 | -9.40% | |
| Artia Global Partners Lp | 13.08% | 516,447 | $68,821,727 | $62,350,646 | -$6,471,081 | -9.40% | |
| Ensign Peak Advisors, Inc | 0.11% | 504,471 | $67,225,805 | $60,904,784 | -$6,321,021 | -9.40% | |
| Pictet Asset Management Holding Sa | 0.06% | 492,068 | $65,572,982 | $59,407,370 | -$6,165,612 | -9.40% | |
| First Turn Management, Llc | 6.98% | 489,889 | $65,282,608 | $59,144,299 | -$6,138,309 | -9.40% | |
| Holocene Advisors, Lp | 0.13% | 418,657 | $55,790,232 | $50,544,460 | -$5,245,772 | -9.40% | |
| Vivo Capital, Llc | 5.05% | 414,899 | $55,289,441 | $50,090,756 | -$5,198,685 | -9.40% | |
| Summit Partners Public Asset Management, Llc | 1.42% | 410,000 | $54,636,600 | $49,499,300 | -$5,137,300 | -9.40% | |
| Eventide Asset Management, Llc | 0.70% | 394,957 | $52,625,476 | $47,683,159 | -$4,942,317 | -9.39% | |
| Mpm Bioimpact Llc | 2.73% | 336,347 | $44,821,601 | $40,607,173 | -$4,214,428 | -9.40% | |
| Affinity Asset Advisors, Llc | 2.15% | 330,000 | $43,975,800 | $39,840,900 | -$4,134,900 | -9.40% | |
| Ikarian Capital, Llc | 7.10% | 328,635 | $43,352,978 | $39,676,104 | -$3,676,874 | -8.48% | |
| Melqart Asset Management (Uk) Ltd | 3.90% | 307,250 | $40,944,135 | $37,094,293 | -$3,849,843 | -9.40% | |
| Kite Lake Capital Management (Uk) Llp | 14.20% | 300,600 | $40,057,956 | $36,291,438 | -$3,766,518 | -9.40% | |
| Stempoint Capital Lp | 6.54% | 283,657 | $37,800,132 | $34,245,910 | -$3,554,222 | -9.40% | |
| Principal Financial Group Inc | 0.02% | 257,678 | $34,338,170 | $31,109,465 | -$3,228,705 | -9.40% | |
| Two Seas Capital Lp | 1.24% | 244,590 | $32,594,063 | $29,529,351 | -$3,064,712 | -9.40% | |
| Readystate Asset Management Lp | 1.31% | 241,530 | $32,186,288 | $29,159,917 | -$3,026,371 | -9.40% | |
| Millennium Management Llc | 0.02% | 233,740 | $31,148,192 | $28,219,430 | -$2,928,762 | -9.40% | |
| Woodline Partners Lp | 0.09% | 226,966 | $30,245,489 | $27,401,605 | -$2,843,884 | -9.40% | |
| Patient Square Capital Lp | 4.26% | 206,500 | $27,518,190 | $24,930,745 | -$2,587,445 | -9.40% | |
| Great Point Partners Llc | 6.41% | 204,314 | $27,226,884 | $24,666,829 | -$2,560,055 | -9.40% |
Frequently asked questions about ABVX
Who owns the most ABVX stock?
The largest holders of ABVX are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for ABIVAX SA-ADR (ABVX).
Is ABVX widely held by superinvestors?
Many widely followed stocks like ABVX appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly ABVX is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.