DOSSIER · 13F Holders · Q2 2026

ABIVAX SA

6 institutions still hold ABIVAX SA as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 00370M903·6 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$89M
visible holders
Holders
6
filers reporting
Concentration
46.73%
IMC-Chicago, LLC #1
top holder share
AI Holders Summary · Q2 2026

6 institutions reported ABIVAX SA in Q2 2026. IMC-Chicago, LLC leads at 46.7% 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
$42M312K0.01%Q2 2026
02
GROUP ONE TRADING LLC
CIK 0000932540
$39M290K0.05%Q2 2026
03
SILVERARC CAPITAL MANAGEMENT, LLC
CIK 0001816307
$7M50K0.69%Q2 2026
04
SABBY MANAGEMENT, LLC
CIK 0001535610
$1M820.99%Q2 2026
05
SIMPLEX TRADING, LLC
CIK 0001488542
$586K4K0.00%Q2 2026
06
Sender Co & Partners, Inc.
CIK 0001659380
$360K3K0.10%Q2 2026