DOSSIER · 13F Holders · Q2 2026

GENERAL MTRS CO

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

CUSIP 37045V950·12 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$162M
visible holders
Holders
12
filers reporting
Concentration
33.56%
IMC-Chicago, LLC #1
top holder share
AI Holders Summary · Q2 2026

12 institutions reported GENERAL MTRS CO in Q2 2026. IMC-Chicago, LLC leads at 33.6% 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
$54M707K0.01%Q2 2026
02
JPMORGAN CHASE & CO
CIK 0000019617
$48M618K0.00%Q2 2026
03
SIMPLEX TRADING, LLC
CIK 0001488542
$17M220K0.01%Q2 2026
04
Optiver Holding B.V.
CIK 0001859606· Market maker
$10M129K0.00%Q2 2026
05
GROUP ONE TRADING LLC
CIK 0000932540
$10M125K0.01%Q2 2026
06
Capital Markets Trading UK LLP
CIK 0001719165
$8M113K0.11%Q1 2026
07
CMT Capital Markets Trading GmbH
CIK 0001632813
$8M107K0.08%Q1 2026
08
HRT FINANCIAL LP
CIK 0001475597
$4M54K0.01%Q4 2025
09
Maven Securities LTD
CIK 0001633046
$2M30K0.05%Q2 2026
10
Alpine Global Management, LLC
CIK 0001581655
$320K3850.05%Q2 2026
11
SG Americas Securities, LLC
CIK 0001313360
$89K37K0.00%Q1 2026
12
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025