DOSSIER · 13F Holders · Q2 2026

CANADIAN NATL RY CO

6 institutions still hold CANADIAN NATL RY CO as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 136375902·6 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$36M
visible holders
Holders
6
filers reporting
Concentration
36.74%
GROUP ONE TRADING LLC #1
top holder share
AI Holders Summary · Q2 2026

6 institutions reported CANADIAN NATL RY CO in Q2 2026. GROUP ONE TRADING LLC leads at 36.7% 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
$13M111K0.02%Q2 2026
02
CIBC WORLD MARKET INC.
CIK 0001421224
$11M88K0.02%Q2 2026
03
IMC-Chicago, LLC
CIK 0001452861· Market maker
$7M60K0.00%Q2 2026
04
NATIONAL BANK OF CANADA /FI/
CIK 0000926171
$5M4040.00%Q2 2026
05
SIMPLEX TRADING, LLC
CIK 0001488542
$250K2K0.00%Q2 2026
06
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025