Denison Mines Corp. (DNN:NYSEMKT) closed at $2.17 on October 23, 2026, up 0.46% on the day. The stock trades 51.0% below its 52-week high of $4.43 and 3.3% above its 52-week low of $2.10. Over the past year, it lost 22.8%. Denison Mines Corp. is part of the Basic Industries sector (Precious Metals).
In 252 trading sessions since October 23, 2025, DNN closed higher on 124 days (49%). Its best day was January 2, 2026 (+13.91%) and its worst was June 5, 2026 (-11.14%). The stock moved 10% or more in a single session 4 times.
Denison Mines Corp. engages in uranium mining and related activities in Canada. The company is involved in the acquisition, exploration, and development of uranium properties; and extraction, processing, and sale of uranium. Its assets include a 22.50% interest in the McClean Lake uranium processing facility and uranium deposits; a 25.17% interest in the Midwest uranium project; and a 60% interest in the Wheeler River project located in northern Saskatchewan. The company's assets also comprise a 63.01% interest in Waterbury Lake project; 100% interest in the Johnston Lake project; 30% interest in the Mann Lake project; and 22.76% interest in Wolly project situated in the Athabasca Basin, northern Saskatchewan. It also provides mine decommissioning and environmental services to a variety of industry and government clients. The company was formerly known as International Uranium Corporation and changed its name to Denison Mines Corp. in December 2006. Denison Mines Corp. was founded in 1996 and is headquartered in Toronto, Canada.
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