DOSSIER · 13F Holders · Q2 2026

STMICROELECTRONICS N V

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

CUSIP 861012902·7 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$200M
visible holders
Holders
7
filers reporting
Concentration
42.04%
Optiver Holding B.V. #1
top holder share
AI Holders Summary · Q2 2026

7 institutions reported STMICROELECTRONICS N V in Q2 2026. Optiver Holding B.V. leads at 42.0% 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
$84M1.1M0.02%Q2 2026
02
GROUP ONE TRADING LLC
CIK 0000932540
$49M660K0.07%Q2 2026
03
IMC-Chicago, LLC
CIK 0001452861· Market maker
$45M605K0.01%Q2 2026
04
SIMPLEX TRADING, LLC
CIK 0001488542
$21M283K0.01%Q2 2026
05
JPMORGAN CHASE & CO
CIK 0000019617
$127K2K0.00%Q2 2026
06
OSAIC HOLDINGS, INC.
CIK 0001677044
$38K110.00%Q2 2026
07
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025