As of December 2025 Denison Mines has a market cap of ยฃ1.84 Billion. This makes Denison Mines the world's 4299th 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 5th, 2025 the market cap of Denison Mines was reported to be: