Follow-The-Filings

Security · featured owners

ABVX Abivax SA

Health Care SPONSORED ADS Equity as of 2026 Q2 among managers we track

  • 4 Owners
  • Max 0.3%
  • $29M
  • 2 new 1 add 1 reduce 1 exit

ABVX (Abivax SA) is held in 4 featured 13F books as of 2026 Q2. Senator Investment Group is the largest tracked holder by portfolio weight (0.27%). Figures are as-filed 13F, not free float.

Who owns this now

Largest portfolio weights among featured holders · max 0.3% (Senator Investment Group) · not free-float ownership

  1. Senator Investment Group new 0.27%
  2. Farallon Capital Management add 0.08%
  3. Lee Ainslie new 0.05%

holders

sorted by value · long equity only · current book 2026 Q2 · open a manager for their book

history
Farallon Capital Management 2026 Q2 0.08% Add +6000.0% 122,000 $16M history
Senator Investment Group 2026 Q2 0.27% New 0.27% 55,000 $7M history
Lee Ainslie - Maverick Capital 2026 Q2 0.05% New 0.05% 40,000 $5M history
Ron Baron - Bamco Inc. (Baron Capital) 2026 Q2 <0.01% Reduce −54.5% 2,500 $333K history
David Witzke - Avidity Partners Management exited 2026 Q2 last 2026 Q1 0.23% Exit −0.23% 10,000 $1M history

4 current · 1 exited last period · options excluded

SEC filings

Recent issuer filings from EDGAR · 25 shown · open Filing / Doc on SEC.gov

Filed Form Detail Links
424B5 Filing Doc
6-K Filing Doc
424B5 Filing Doc
6-K Filing Doc
6-K Filing Doc
6-K Filing Doc
6-K Filing Doc
424B7 Filing Doc
6-K Filing Doc
6-K Filing Doc
6-K Filing Doc
20-F Filing Doc
6-K Filing Doc
6-K Filing Doc
6-K Filing Doc
6-K Filing Doc
424B5 Filing Doc
424B5 Filing Doc
6-K Filing Doc
6-K Filing Doc
6-K Filing Doc
6-K Filing Doc
6-K Filing Doc
6-K Filing Doc
20-F Filing Doc

Updated 26 days ago Source: SEC EDGAR submissions All on EDGAR

financials

US-GAAP annual · as tagged in Form 10-K

newly public · no 10-K financials yet · 424B5

ownership over time

filing count by report period · click a bar for that quarter’s holders