DOSSIER · 13F Holders · Q2 2026

SANOFI

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

CUSIP 80105N955·5 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$47M
visible holders
Holders
5
filers reporting
Concentration
78.82%
Optiver Holding B.V. #1
top holder share
AI Holders Summary · Q2 2026

5 institutions reported SANOFI in Q2 2026. Optiver Holding B.V. leads at 78.8% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
Optiver Holding B.V.
CIK 0001859606· Market maker
$37M874K0.01%Q2 2026
02
JPMORGAN CHASE & CO
CIK 0000019617
$5M116K0.00%Q2 2026
03
IMC-Chicago, LLC
CIK 0001452861· Market maker
$3M80K0.00%Q2 2026
04
GROUP ONE TRADING LLC
CIK 0000932540
$2M37K0.00%Q2 2026
05
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025