ABVX ABIVAX SA: institutional ownership and insider trading
318 funds reported holding $8.83B of ABIVAX SA in their latest 13F filings; in Q2 2026 funds net bought $1.68B, with 95 new positions and 38 funds selling out.
Famous investors holding ABVX
- Ken Griffin (Citadel Advisors): $566M, 0.1% of the portfolio
- Lee Ainslie (Maverick Capital): $5.33M, 0.1% of the portfolio
- Izzy Englander (Millennium Management): $41.0M, 0.0% of the portfolio
- D. E. Shaw (D. E. Shaw & Co.): $17.4M, 0.0% of the portfolio
Largest institutional holders of ABVX
- TCG Crossover Management, LLC — $801M
- SUSQUEHANNA INTERNATIONAL GROUP, LLP — $619M
- CITADEL ADVISORS LLC — $566M
- Helikon Investments Ltd — $371M
- Darwin Global Management, Ltd. — $348M
- Vestal Point Capital, LP — $313M
- Jupiter Topco LLC — $255M
- UBS Group AG (UBS) — $248M
- ADAR1 Capital Management, LLC — $246M
- Caligan Partners LP — $208M
5%+ owners
- Chen Yu: 7.0% (Schedule 13G/A, filed Aug 14, 2026)
- Raymond Debbane: 6.0% (Schedule 13G/A, filed Aug 13, 2026)