As of October 2026 Cameco has a market cap of โน3.599 Trillion. This makes Cameco the world's 666th 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 Oct 11th, 2026 the market cap of Cameco was reported to be: