DOSSIER · 13F Holders · Q3 2026

GAMESTOP CORP NEW

9 institutions still hold GAMESTOP CORP NEW as of Q3 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 36467W909·9 13F holders·last filed Sep 30, 2026
Market cap
—
13F value held
$324M
visible holders
Holders
9
filers reporting
Concentration
44.93%
IMC-Chicago, LLC #1
top holder share
AI Holders Summary · Q3 2026

9 institutions reported GAMESTOP CORP NEW in Q3 2026. IMC-Chicago, LLC leads at 44.9% 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
$146M5.9M0.03%Q3 2026
02
GROUP ONE TRADING LLC
CIK 0000932540
$82M3.3M0.11%Q3 2026
03
SIMPLEX TRADING, LLC
CIK 0001488542
$71M4.1M0.04%Q3 2026
04
HRT FINANCIAL LP
CIK 0001475597
$24M965K0.04%Q3 2026
05
CIBC Bancorp USA Inc.
CIK 0001711924
$1M41K0.00%Q3 2026
06
Marathon Trading Investment Management LLC
CIK 0001572748
$865K35K0.02%Q3 2026
07
Cornerstone Wealth Management, LLC
CIK 0001674117
$65K11K0.00%Q3 2026
08
Hurley Capital, LLC
CIK 0001632844
$27K1K0.01%Q3 2026
09
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025