As of December 2025 Denison Mines has a market cap of A$3.70 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 6th, 2025 the market cap of Denison Mines was reported to be: