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Main Street Research LLC

Position in CCJ — Cameco Corp

CIK 1513211 SAUSALITO, CA

Position in CCJ

as of Jun 30, 2026 · filed Jul 29, 2026
Position Value
$39,881,143
-$2,376,509 QoQ
Shares Held
391,529
+0.6% QoQ
Ownership
0.090%
of shares outstanding
% of Portfolio
2.17%
of 13F equity value
Holder Rank
#107
of 1,026 holders
Holding Since
Sep 2025
4 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in CCJ Over Time

Shares Held

Position Value (USD)

Position in Uranium

Energy · as of Jun 30, 2026

Main Street Research LLC holds $39,881,143 across 1 Uranium name. CCJ ranks #1 (100.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 CCJ
Cameco Corp
This page
391,529 $39,881,143

All Filings in CCJ

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4 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $39,881,143 391,529
2026-03-31 $42,257,652 389,077
2025-12-31 $34,937,103 381,868
2025-09-30 $30,557,913 364,392