DOSSIER · 13F Holders · Q2 2026

GAMESTOP CORP NEW

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

CUSIP 36467W909·8 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$252M
visible holders
Holders
8
filers reporting
Concentration
43.49%
IMC-Chicago, LLC #1
top holder share
AI Holders Summary · Q2 2026

8 institutions reported GAMESTOP CORP NEW in Q2 2026. IMC-Chicago, LLC leads at 43.5% 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
$110M5.0M0.03%Q2 2026
02
GROUP ONE TRADING LLC
CIK 0000932540
$74M3.3M0.10%Q2 2026
03
SIMPLEX TRADING, LLC
CIK 0001488542
$60M4.0M0.04%Q2 2026
04
HRT FINANCIAL LP
CIK 0001475597
$7M352K0.02%Q4 2025
05
CIBC Bancorp USA Inc.
CIK 0001711924
$901K41K0.00%Q2 2026
06
Marathon Trading Investment Management LLC
CIK 0001572748
$775K35K0.02%Q2 2026
07
Cornerstone Wealth Management, LLC
CIK 0001674117
$19K45K0.00%Q2 2026
08
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025