As of June 2026 Cameco has a market cap of โน4.277 Trillion. This makes Cameco the world's 549th 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 Jun 5th, 2026 the market cap of Cameco was reported to be: