Abivax SA-ADRABVX

13F holders, Q1 2025 (March 31)
46holders −2
8new positions
10sold out
3famous investors
$6.25avg. 13F price*

At the end of Q1 2025, 46 institutions reported holding Abivax SA-ADR (ABVX) in their 13F filings, down 2 from Q4 2024. 8 opened new positions and 10 sold out. The largest holders were TCG Crossover Management, LLC ($37.9M), Deep Track Capital, LP ($22.4M) and ADAR1 Capital Management, LLC ($13.8M). 3 famous investors held it, including Ken Griffin (0.0% of Citadel Advisors's portfolio), Israel Englander (0.0% of Millennium Management'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 Q4 2024 → Q1 2025

InstitutionsTotal Value
New Positions8$13.7M
Exits10$18.9M

All 13F filers, Q4 2024 → Q1 2025: 5,352,300 shares bought and 3,451,820 shares sold, net +1,900,480 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 46 holders

TCG Crossover Management, LLC 5.16% No change 6,056,596 $37.9M
Deep Track Capital, LP 0.72% No change 3,579,209 $22.4M
ADAR1 Capital Management, LLC 2.73% Add +46.0% 2,210,019 $13.8M
Cormorant Asset Management, LP 1.01% No change 2,130,000 $13.3M
Great Point Partners LLC 5.57% Reduce -0.6% 1,638,111 $10.2M
Nantahala Capital Management, LLC 0.77% Add +3.3% 1,482,994 $9.3M
Citadel Advisors 0.01% Add +60.6% 1,373,860 $8.6M
Franklin Resources Inc. 0.00% Reduce -6.5% 1,371,050 $8.6M
Venrock Adviser, LLC 0.72% No change 1,345,780 $8.4M
Caligan Partners LP 1.66% Add +68.7% 1,269,119 $7.9M
Octagon Capital Advisors LP 1.67% New 1,230,000 $7.7M
Allostery Investments LP 9.91% Add +86.0% 1,099,654 $6.9M
Millennium Management 0.01% Add +6.0% 987,414 $6.2M
JPMorgan Chase & Co. 0.00% Add +24.5% 907,679 $5.7M
Aberdeen Group plc 0.01% Add +67.5% 710,516 $4.4M
Boothbay Fund Management, LLC 0.13% Add +40.3% 570,668 $3.6M
Saturn V Capital Management LP 1.74% Reduce -15.3% 552,926 $3.5M
Morgan Stanley 0.00% Add +3.7% 497,153 $3.1M
Ensign Peak Advisors, Inc 0.01% New 455,684 $2.8M
Samsara Biocapital, LLC 0.47% Reduce -50.0% 425,000 $2.7M
Kennedy Capital Management LLC 0.03% Reduce -0.1% 225,191 $1.4M
Walleye Capital LLC 0.02% Reduce -27.0% 220,845 $1.4M
Silverarc Capital Management, LLC 0.28% Reduce -26.0% 210,901 $1.3M
Woodline Partners LP 0.01% Add +319.5% 201,924 $1.3M
Affinity Asset Advisors, LLC 0.21% New 200,000 $1.3M
Citigroup Inc. 0.00% New 184,239 $1.2M
UBS Group AG 0.00% Reduce -7.0% 162,554 $1.0M
Soleus Capital Management, L.P. 0.06% No change 125,000 $781K
Marshall Wace, LLP 0.00% New 74,841 $468K
Shay Capital LLC 0.10% Add +5.6% 52,829 $330K
HighVista Strategies LLC 0.12% No change 49,064 $307K
Paloma Partners Management Co 0.09% New 38,449 $240K
Point72 Asset Management 0.00% Reduce -67.8% 29,418 $184K
Ameriprise Financial Inc. 0.00% Add +62.8% 19,000 $119K
Geode Capital Management, LLC 0.00% No change 16,749 $105K
Guggenheim Capital LLC 0.00% Add +10.2% 13,792 $86K
BNP Paribas Financial Markets 0.00% Reduce -40.5% 11,446 $72K
Bank of America Corp. 0.00% Add +93.4% 10,706 $67K
Cubist Systematic Strategies, LLC 0.00% Add +34.3% 10,152 $63K
Hurley Capital, LLC 0.01% New 3,015 $19K
GAMMA Investing LLC 0.00% Reduce -24.2% 3,013 $19K
Covestor Ltd 0.01% New 2,660 $17K
Barclays PLC 0.00% Add +35.0% 1,478 $9K
Rhumbline Advisers 0.00% Add +4.5% 738 $5K
Financial Management Professionals, Inc. 0.00% No change 100 $625
Principal Securities, Inc. 0.00% No change 10 $73

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