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ABVX · NASDAQ · Biotechnology

Abivax (ADR) (ABVX)

Develops oral obefazimod for ulcerative colitis and Crohn's disease.

$98.54
After hours+0.27 (+0.27%)
At close$98.27(−5.01%)

13F · 13D/G · Form 4

Institutions≈ 67.92%53.34M ADS
367 holders · as of Jun 30, 2026 · largest filers plus last quarter's tail
Insiders5.00%3.92M ADS
1 holder · as of Feb 13, 2026
Strategic holders8.22%6.46M ADS
1 holder · as of Nov 14, 2025
Other≈ 18.86%14.82M ADS
remainder

78.54M ADS as of Sep 22, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing

This quarter's institutional total failed a plausibility check; shown: the largest filers plus last quarter's remainder.

13F · 13D/G · Form 4

HolderStakeSharesDate
TCG Crossover GP I, LLCStrategic
8.22%6.46Mfiled Nov 14, 2025
TCG Crossover Management, LLCInstitution
7.65%6.01M ADSas of Jun 30, 2026
Invus Public Equities, L.P.Insider
5.00%3.92Mfiled Feb 13, 2026
Darwin Global Management, Ltd.Institution
4.61%3.62M ADSas of Jun 30, 2026
Helikon Investments LtdInstitution
3.55%2.79M ADSas of Jun 30, 2026
Vestal Point Capital, LPInstitution
2.99%2.35M ADSas of Jun 30, 2026
Jupiter Topco LLCInstitution
2.44%1.91M ADSas of Jun 30, 2026
UBS Group AGInstitution
2.35%1.84M ADSas of Jun 30, 2026
Adar1 Capital Management, LLCInstitution
2.30%1.80M ADSas of Jun 30, 2026
Caligan Partners LPInstitution
1.98%1.56M ADSas of Jun 30, 2026
Citadel Advisors LLCInstitution
1.83%1.44M ADSas of Jun 30, 2026
Morgan StanleyInstitution
1.82%1.43M ADSas of Jun 30, 2026
Westfield Capital Management Co LPInstitution
1.67%1.31M ADSas of Jun 30, 2026
Ra Capital Management, L.P.Institution
1.44%1.13M ADSas of Jun 30, 2026
Norges BankInstitution
1.40%1.10M ADSas of Jun 30, 2026
Susquehanna International Group, LLPInstitution
1.34%1.05M ADSas of Jun 30, 2026
Logos Global Management LPInstitution
1.30%1.02M ADSas of Jun 30, 2026
Octagon Capital Advisors LPInstitution
1.26%993,000 ADSas of Jun 30, 2026
Bank of America Corp /DE/Institution
1.24%971,439 ADSas of Jun 30, 2026
Eversept Partners, LPInstitution
1.16%913,880 ADSas of Jun 30, 2026
Goldman Sachs Group IncInstitution
1.01%792,712 ADSas of Jun 30, 2026
Nationale-Nederlanden Powszechne Towarzystwo Emerytalne S.A.Institution
0.97%765,332 ADSas of Jun 30, 2026
Cormorant Asset Management, LPInstitution
0.86%675,000 ADSas of Jun 30, 2026
Boxer Capital Management, LLCInstitution
0.77%605,000 ADSas of Jun 30, 2026
Balyasny Asset Management L.P.Institution
0.77%603,840 ADSas of Jun 30, 2026

13F, as of Jun 30, 2026

367 holders · 53.34M shares · 97 new positions · 191 increased · 106 reduced · 42 closed

HolderShares% outstandingChg q/qFiled
TCG Crossover Management, LLC6.01M7.65%−473.3KAug 14, 2026
Darwin Global Management, Ltd.3.62M4.61%+152.9KAug 14, 2026
Helikon Investments Ltd2.79M3.55%+1.77MAug 11, 2026
Vestal Point Capital, LP2.35M2.99%+849.4KAug 14, 2026
Jupiter Topco LLC1.91M2.44%+1.91MnewAug 14, 2026
UBS Group AG1.84M2.35%−2.70MAug 13, 2026
Adar1 Capital Management, LLC1.80M2.30%+410.7KAug 14, 2026
Caligan Partners LP1.56M1.98%+96.0KAug 14, 2026

13D/G · 5% or more, as filed

Holder% of classSharesFormFiled
TCG Crossover GP I, LLC8.30%6.46M13GNov 14, 2025
Invus Public Equities, L.P.5.00%3.92M13GFeb 13, 2026

Form 4

Latest trades

Nothing filed in the last 12 months.

House and Senate disclosures

Not reported.