DOSSIER · 13F Holders · Q2 2026

CAMECO CORP

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

CUSIP 13321L908·7 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$234M
visible holders
Holders
7
filers reporting
Concentration
60.92%
GROUP ONE TRADING LLC #1
top holder share
AI Holders Summary · Q2 2026

7 institutions reported CAMECO CORP in Q2 2026. GROUP ONE TRADING LLC leads at 60.9% 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
$143M1.4M0.20%Q2 2026
02
IMC-Chicago, LLC
CIK 0001452861· Market maker
$59M579K0.01%Q2 2026
03
SIMPLEX TRADING, LLC
CIK 0001488542
$16M153K0.01%Q2 2026
04
NATIONAL BANK OF CANADA /FI/
CIK 0000926171
$15M1K0.01%Q2 2026
05
CIBC Bancorp USA Inc.
CIK 0001711924
$2M17K0.00%Q2 2026
06
OSAIC HOLDINGS, INC.
CIK 0001677044
$130K200.00%Q2 2026
07
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025