Cameco Corporation (CCJ) Major Shareholders
Cameco shareholders at a glance
The largest holder of Cameco stock is BlackRock Investment Management (UK) Ltd., with 21.9 million shares (5.02% of the company), worth about $2.16 billion as of September 25, 2026. The 10 largest holders together own 25.7%.
In Q2 2026, 1,126 institutional holdings reports listed 277.0 million shares worth $35.50 billion, up 3.7% in shares from Q1 2026.
Major holders as of September 25, 2026; quarterly totals from institutional holdings reports (latest Q2 2026).
Cameco Corporation
Shareholders Summary
2026Q2
Ownership by Type
Geographic Distribution
Largest Cameco shareholders
| Holder | Shares | % of company | Value |
|---|---|---|---|
| BlackRock Investment Management (UK) Ltd. | 21.9 million | 5.02% | $2.2B |
| Mirae Asset Global ETFs Holdings Ltd. | 15.6 million | 3.57% | $1.5B |
| Capital Research & Management Co. (World Investors) | 13.4 million | 3.07% | $1.3B |
| Vanguard Capital Management LLC | 12.0 million | 2.76% | $1.2B |
| Royal Trust Corporation of Canada | 11.1 million | 2.55% | $1.1B |
| Fidelity Investments Canada ULC | 8.4 million | 1.94% | $833.0M |
| Fidelity Management & Research Co. LLC | 8.0 million | 1.83% | $788.0M |
| Van Eck Associates Corp. | 7.5 million | 1.73% | $745.0M |
| Merrill Lynch International | 7.2 million | 1.66% | $713.0M |
| BMO Bank NA (Investment Management) | 6.8 million | 1.55% | $667.0M |
As of September 25, 2026.
Cameco institutional holdings by quarter
| Quarter | Reports | Shares | Value |
|---|---|---|---|
| Q2 2026 | 1,126 | 277.0 million | $35.5B |
| Q1 2026 | 1,110 | 267.0 million | $29.0B |
| Q4 2025 | 1,078 | 275.0 million | $25.1B |
| Q3 2025 | 994 | 279.0 million | $23.5B |
| Q2 2025 | 937 | 309.0 million | $22.9B |
| Q1 2025 | 805 | 296.0 million | $12.1B |
| Q4 2024 | 834 | 296.0 million | $16.7B |
| Q3 2024 | 752 | 298.0 million | $14.3B |
Shares and value held by institutions that file quarterly holdings reports (options not included).
Questions and answers
Who owns the most Cameco stock?
BlackRock Investment Management (UK) Ltd., with 5.02% of the company (as of September 25, 2026). Next: Mirae Asset Global ETFs Holdings Ltd. (3.57%) and Capital Research & Management Co. (World Investors) (3.07%).
How many institutions own Cameco stock?
1,126 institutional holdings reports listed Cameco shares in Q2 2026, 277.0 million shares in all worth $35.50 billion.
