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Denison Mines

Denison Mines

Denison Mines Corp. is a uranium exploration and development company with interests focused in the Athabasca Basin region of northern Saskatchewan.

Sector
Fuel cycle

22 in this dataset

Headquarters
🇨🇦CA

14 organisations in CA

Status
Active
Role
Supplier

What these terms mean

Every classification on this page, defined. These are controlled-vocabulary terms, so the same word means the same thing on every profile.

Supplier
Supplies components, materials or fuel to the sector without developing a reactor or device of its own.
Fuel cycle
Mining, conversion, enrichment, fabrication, reprocessing, waste and tritium supply.

In Denison Mines’s own words

Quoted from the organisation’s own site as we archived it. Their description of themselves, not ours, and not a claim this site has checked.

Additionally, through its 50% ownership of JCU (Canada) Exploration Company, Limited ('JCU'), Denison holds interests in various uranium project joint ventures in Canada, including the Millennium project (JCU, 30.099%), the Kiggavik project (JCU, 33.8118) and Christie Lake (JCU, 34.4508%).

In 2024, Denison celebrated its 70th year in uranium mining, exploration, and development, which began in 1954 with Denison’s first acquisition of mining claims in the Elliot Lake region of northern Ontario.

Denison has an effective 95% interest in Wheeler River, consisting of the Phoenix and Gryphon projects, which ranks as the largest undeveloped uranium mining project in the infrastructure rich eastern portion of the Athabasca Basin region.

Denison's exploration and development portfolio consists of numerous projects covering approximately 457,000 hectares in the Athabasca Basin region, with a focus in the infrastructure rich eastern portion of the Athabasca Basin.

The McClean Lake project is host to several uranium deposits (with mining at McClean North deposit having commenced in July 2025 using the MLJV’s SABRE mining method) and the McClean Lake mill, which is one of the world’s largest uranium processing facilities, licensed to process up to 24M lbs U 3 O 8 per year.

Denison is a uranium mining, development, and exploration company with interests focused in the Athabasca Basin region of northern Saskatchewan, Canada. Denison’s shares are listed on the Toronto Stock Exchange under the symbol “DML” and on the NYSE American under the symbol “DNN.”.

Where Denison Mines sits

Composed from records in this dataset, not from outside research. Every figure below is counted from what the site holds, so it moves when the data does.

It is one of 14 we hold in CA.

Related organisations

Others pursuing the same approach, then others in the same country.

People

Names and roles as Denison Mines’s own team page states them. Not verified against any other source, and rosters go out of date.

David Cates President and Chief Executive Officer Mr

Sources

A source marked operator is the subject’s own publication. That is legitimate, and it is not independent confirmation. Methodology.