As of December 2025 Cameco has a market cap of โน3.663 Trillion. This makes Cameco the world's 564th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.
On Dec 9th, 2025 the market cap of Cameco was reported to be: