As of December 2025 Cameco has a market cap of C$56.47 Billion. This makes Cameco the world's 565th 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: