DOSSIER · 13F Holders · Q3 2026

CAMECO CORP PUT

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

CUSIP 13321L958·8 13F holders·last filed Sep 30, 2026
Market cap
—
13F value held
$427M
visible holders
Holders
8
filers reporting
Concentration
36.57%
SEGRA CAPITAL MANAGEMENT, LLC #1
top holder share
AI Holders Summary · Q3 2026

8 institutions reported CAMECO CORP PUT in Q3 2026. SEGRA CAPITAL MANAGEMENT, LLC leads at 36.6% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
SEGRA CAPITAL MANAGEMENT, LLC
CIK 0001607512
$156M1.8M15.81%Q3 2026
02
IMC-Chicago, LLC
CIK 0001452861· Market maker
$154M1.5M0.04%Q2 2026
03
GROUP ONE TRADING LLC
CIK 0000932540
$85M832K0.12%Q2 2026
04
SIMPLEX TRADING, LLC
CIK 0001488542
$19M188K0.01%Q2 2026
05
NATIONAL BANK OF CANADA /FI/
CIK 0000926171
$7M7040.01%Q2 2026
06
HRT FINANCIAL LP
CIK 0001475597
$6M61K0.02%Q4 2025
07
JPMORGAN CHASE & CO
CIK 0000019617
$290K3K0.00%Q2 2026
08
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025