DOSSIER · 13F Holders · Q3 2026

GLOBALFOUNDRIES INC

7 institutions still hold GLOBALFOUNDRIES INC as of Q3 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP G39387908·7 13F holders·last filed Sep 30, 2026
Market cap
—
13F value held
$35M
visible holders
Holders
7
filers reporting
Concentration
42.87%
GROUP ONE TRADING LLC #1
top holder share
AI Holders Summary · Q3 2026

7 institutions reported GLOBALFOUNDRIES INC in Q3 2026. GROUP ONE TRADING LLC leads at 42.9% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
GROUP ONE TRADING LLC
CIK 0000932540
$15M317K0.02%Q3 2026
02
SIMPLEX TRADING, LLC
CIK 0001488542
$13M265K0.01%Q3 2026
03
IMC-Chicago, LLC
CIK 0001452861· Market maker
$7M142K0.00%Q3 2026
04
CMT Capital Markets Trading GmbH
CIK 0001632813
$583K13K0.01%Q1 2026
05
JPMORGAN CHASE & CO
CIK 0000019617
$110K2K0.00%Q3 2026
06
OSAIC HOLDINGS, INC.
CIK 0001677044
$10K50.00%Q3 2026
07
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025