Abivax SA-ADRABVX

13F holders, Q2 2025 (June 30)
43holders −3
6new positions
9sold out
3famous investors
$7.65avg. 13F price*

At the end of Q2 2025, 43 institutions reported holding Abivax SA-ADR (ABVX) in their 13F filings, down 3 from Q1 2025. 6 opened new positions and 9 sold out. The largest holders were TCG Crossover Management, LLC ($46.3M), Deep Track Capital, LP ($26.6M) and ADAR1 Capital Management, LLC ($23.5M). 3 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio), Ken Griffin (0.0% of Citadel Advisors's portfolio) and Steve Cohen (0.0% of Point72 Asset Management's portfolio).

Company
Abivax SA-ADR
CUSIP
00370M103
Latest filing quarter
Q2 2026

History

Number of 13F holders

0100200300400 Q1 2024: 36Q1 2024Q2 2024: 38Q2 2024Q3 2024: 40Q3 2024Q4 2024: 48Q4 2024Q1 2025: 46Q1 2025Q2 2025: 43Q2 2025Q3 2025: 165Q3 2025Q4 2025: 247Q4 2025Q1 2026: 254Q1 2026Q2 2026: 303Q2 2026

Total Exit/New Position Q1 2025 → Q2 2025

InstitutionsTotal Value
New Positions6$1.7M
Exits9$12.0M

All 13F filers, Q1 2025 → Q2 2025: 2,492,990 shares bought and 3,590,190 shares sold, net −1,097,200 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 43 holders

TCG Crossover Management, LLC 5.29% No change 6,056,596 $46.3M
Deep Track Capital, LP 0.86% Reduce -2.8% 3,480,144 $26.6M
ADAR1 Capital Management, LLC 3.86% Add +39.0% 3,071,340 $23.5M
Cormorant Asset Management, LP 1.21% No change 2,130,000 $16.3M
Caligan Partners LP 2.49% Add +31.9% 1,674,400 $12.8M
Nantahala Capital Management, LLC 0.80% No change 1,482,994 $11.3M
Franklin Resources Inc. 0.00% No change 1,371,050 $10.5M
Venrock Adviser, LLC 0.77% No change 1,345,780 $10.3M
Great Point Partners LLC 6.42% Reduce -21.1% 1,291,617 $9.9M
Octagon Capital Advisors LP 2.13% Add +3.0% 1,267,000 $9.7M
Citadel Advisors 0.01% Reduce -8.8% 1,252,257 $9.6M
Millennium Management 0.01% Add +26.8% 1,251,765 $9.6M
Boothbay Fund Management, LLC 0.21% Add +52.5% 870,438 $6.7M
Aberdeen Group plc 0.01% No change 710,516 $5.4M
Saturn V Capital Management LP 1.93% Add +12.6% 622,479 $4.8M
Morgan Stanley 0.00% Reduce -4.4% 475,280 $3.6M
Ensign Peak Advisors, Inc 0.01% No change 455,684 $3.5M
Kennedy Capital Management LLC 0.04% Add +7.1% 241,188 $1.8M
Woodline Partners LP 0.01% Reduce -9.0% 183,800 $1.4M
Citigroup Inc. 0.00% Reduce -7.3% 170,733 $1.3M
Point72 Asset Management 0.00% Add +470.7% 167,887 $1.3M
UBS Group AG 0.00% Add +3.1% 167,656 $1.3M
Allostery Investments LP 16.31% Reduce -84.8% 167,350 $1.3M
Soleus Capital Management, L.P. 0.07% No change 125,000 $956K
Barclays PLC 0.00% Add +7571.9% 113,391 $867K
Affinity Asset Advisors, LLC 0.12% Reduce -50.0% 100,000 $765K
Paloma Partners Management Co 0.31% Add +147.4% 95,130 $728K
Stempoint Capital LP 0.22% New 87,748 $671K
J. Goldman & Co LP 0.02% New 67,500 $516K
HighVista Strategies LLC 0.14% Add +4.3% 51,156 $391K
NewEdge Advisors, LLC 0.00% New 30,000 $230K
Quadrature Capital Ltd 0.00% New 19,367 $148K
XTX Topco Ltd 0.01% New 18,194 $139K
Geode Capital Management, LLC 0.00% Add +0.4% 16,818 $129K
Guggenheim Capital LLC 0.00% Add +16.7% 16,097 $123K
BNP Paribas Financial Markets 0.00% Reduce -6.8% 10,670 $82K
Hurley Capital, LLC 0.02% No change 3,015 $23K
Rhumbline Advisers 0.00% Add +32.9% 981 $8K
GAMMA Investing LLC 0.00% Reduce -78.6% 645 $5K
Bank of America Corp. 0.00% Reduce -95.0% 536 $4K
Financial Management Professionals, Inc. 0.00% No change 100 $765
Principal Securities, Inc. 0.00% Add +260.0% 36 $275
EverSource Wealth Advisors, LLC 0.00% New 8 $61

"% of holder's portfolio" is ABVX's weight in each manager's 13F, not the share of Abivax SA-ADR the manager owns.