DOSSIER · 13F Holders · Q3 2026

METHANEX CORP

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

CUSIP 59151K958·5 13F holders·last filed Sep 30, 2026
Market cap
—
13F value held
$3M
visible holders
Holders
5
filers reporting
Concentration
35.56%
GROUP ONE TRADING LLC #1
top holder share
AI Holders Summary · Q3 2026

5 institutions reported METHANEX CORP in Q3 2026. GROUP ONE TRADING LLC leads at 35.6% 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
$1M19K0.00%Q3 2026
02
IMC-Chicago, LLC
CIK 0001452861· Market maker
$927K16K0.00%Q3 2026
03
SIMPLEX TRADING, LLC
CIK 0001488542
$610K10K0.00%Q3 2026
04
NATIONAL BANK OF CANADA /FI/
CIK 0000926171
$430K930.00%Q2 2026
05
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025