DOSSIER · 13F Holders · Q1 2026

ABIVAX SA

2 institutions still hold ABIVAX SA as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 00370M953·2 13F holders·last filed Mar 31, 2026
Market cap
13F value held
$14M
visible holders
Holders
2
filers reporting
Concentration
59.35%
IMC-Chicago, LLC #1
top holder share
AI Holders Summary · Q1 2026

2 institutions reported ABIVAX SA in Q1 2026. IMC-Chicago, LLC leads at 59.3% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
IMC-Chicago, LLC
CIK 0001452861· Market maker
$8M75K0.00%Q1 2026
02
GROUP ONE TRADING LLC
CIK 0000932540
$6M51K0.01%Q1 2026