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Denison Mines Corp. logo

Denison Mines Corp.

DML.TOMid CapUranium

Price History

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About Denison Mines Corp.

Denison Mines Corp. (DML.TO) is a uranium mining company listed on the Toronto Stock Exchange (TSX). Our project database tracks 12 projects for Denison Mines Corp. with technical and economic data extracted from company filings. Its flagship Phoenix (Wheeler River) (Feasibility) carries an after-tax NPV of C$1.57B and an IRR of 73% over a 10-year mine life.

Denison Mines is a uranium exploration and development company focused on Saskatchewan's Athabasca Basin, advancing the Wheeler River project which hosts the high-grade Phoenix and Gryphon deposits. The company also holds a 22.5% stake in the McClean Lake uranium mill and owns interests in multiple basin exploration properties.

Primary Commodities

Uranium

Project Economics

McClean Lake Mine

Uranium· Athabasca Basin, Northern Saskatchewan, Canada· Production
Production
Annual Production649 klbs U3O8
Mine TypeSABRE (Surface Access Borehole Resource Extraction)
Ownership22.5%
Mineral Resources
17.8M lbs U3O8 Indicated (374,900 tonnes @ 2.2% U3O8, 100% basis); 7.6M lbs U3O8 Inferred (510,900 tonnes @ 0.68% U3O8, 100% basis)

McClean Lake Mill & Mines

Uranium· Athabasca Basin, Northern Saskatchewan, Canada· Production
Production
Annual Production0.6 Mlbs U3O8
Mine TypeSABRE (Surface Access Borehole Resource Extraction)
Ownership22.5%
Mineral Resources
17.8M lbs U3O8 Indicated (374,900 tonnes at 2.2% U3O8, 100% basis); 7.6M lbs U3O8 Inferred (510,900 tonnes at 0.68% U3O8, 100% basis)

McClean Lake (mine & mill)

Uranium (U3O8)· Athabasca Basin, Northern Saskatchewan, Canada· Production
Production
Annual Production649 klbs U3O8
Mineral Resources
17.8M lbs U3O8 Indicated (374,900 tonnes at 2.2% U3O8) combined; 7.6M lbs U3O8 Inferred (510,900 tonnes at 0.68% U3O8) combined

Midwest

Uranium· Athabasca Basin, Northern Saskatchewan, Canada· Development
PEA
Aug 2025
NPV (After-Tax) @ 8%C$965M
NPV (Pre-Tax)C$1.62B
IRR (After-Tax)82.7%
Initial CapexC$254M
Payback0.8 yrs
AISC25.8 USD/lb U3O8
Mine TypeIn-Situ Recovery (ISR)
Ownership25.2%
Mineral Resources
38.7M lbs U3O8 @ 3.4% U3O8 Indicated (510,000 tonnes, 100% basis); plus 12.7M lbs U3O8 Inferred (905,000 tonnes @ 0.54% U3O8)

Gryphon (Wheeler River)

Uranium· Athabasca Basin, Northern Saskatchewan, Canada· Development
Pre-Feasibility
Jun 2023
NPV (After-Tax) @ 8%C$864M
NPV (Pre-Tax)C$1.43B
IRR (After-Tax)37.6%
Initial CapexC$737M
Payback1.9 yrs
AISC25.5 USD/lb U3O8
Mine Life6.5 yrs
Head Grade1.8% U3O8
Mine TypeUnderground
Ownership95%
Mineral Reserves
49.7 million lbs U3O8 in probable reserves (1,275,000 tonnes at 1.8% U3O8)
Mineral Resources
61.9M lbs U3O8 @ 1.7% U3O8 Indicated Mineral Resources (1,643,000 tonnes, 100% basis); plus 1.9M lbs U3O8 Inferred mineral resources (73,000 tonnes @ 1.2% U3O8, 100% basis)

Phoenix ISR (Wheeler River)

Uranium· Athabasca Basin, Northern Saskatchewan, Canada· Construction
Feasibility
Jun 2023
NPV (After-Tax) @ 8%C$1.57B
IRR (After-Tax)73%
Initial CapexC$600M
Payback1 yrs
AISC18.4 USD/lb U3O8
Mine Life10 yrs
Head Grade11.7% U3O8
Mine TypeIn-Situ Recovery (ISR)
Ownership95%
Mineral Reserves
56.7 million lbs U3O8 in proven and probable reserves (219,000 tonnes at 11.7% U3O8)
Mineral Resources
70.6M lbs U3O8 @ 11.4% U3O8 Measured & Indicated Mineral Resources (280,200 tonnes, 100% basis); including 56.3M lbs U3O8 @ 46.0% U3O8 M&I mineral resources for Zone A high-grade domain

Phoenix (Wheeler River)

Uranium (U3O8)· Athabasca Basin, Northern Saskatchewan, Canada· Construction
Feasibility
Jun 2023
NPV (After-Tax) @ 8%C$1.57B
IRR (After-Tax)73%
Initial CapexC$600M
Payback1 yrs
AISC18.4 USD/lb U3O8
Mine Life10 yrs
Head Grade11.7% U3O8 (reserves); 11.4% U3O8 (M&I resources)
Mine TypeIn-Situ Recovery (ISR)
Ownership95%
Contained Metal70.6 Mlbs U3O8
Mineral Reserves
56.7 million lbs U3O8 in Proven & Probable (219,000 tonnes at 11.7% U3O8)
Mineral Resources
70.6M lbs U3O8 @ 11.4% U3O8 Measured & Indicated (280,200 tonnes, 100% basis)

Wheeler River (Combined)

Uranium· Athabasca Basin, Northern Saskatchewan, Canada· Development
Feasibility
Jun 2023
Mine Life16.5 yrs
Mine TypeISR & Underground
Ownership95%
Mineral Reserves
106.4M lbs U3O8 (combined, 100% basis) Proven & Probable Reserves

Wheeler River - Gryphon

Uranium· Athabasca Basin, Northern Saskatchewan, Canada· Development
Pre-Feasibility
Jun 2023
NPV (After-Tax) @ 8%C$864M
NPV (Pre-Tax)C$1.43B
IRR (After-Tax)37.6%
Initial CapexC$737M
Payback1.9 yrs
AISC25.5 USD/lb U3O8
Mine Life6.5 yrs
Mine TypeUnderground (conventional)
Ownership95%
Mineral Reserves
49.7 million lbs U3O8 in probable reserves (1,275,000 tonnes at 1.8% U3O8)
Mineral Resources
61.9M lbs U3O8 @ 1.7% U3O8 Indicated (1,643,000 tonnes, 100% basis); plus 1.9M lbs U3O8 Inferred (73,000 tonnes @ 1.2% U3O8)

Wheeler River - Phoenix

Uranium· Athabasca Basin, Northern Saskatchewan, Canada· Construction
Feasibility
Jun 2023
NPV (After-Tax) @ 8%C$1.57B
IRR (After-Tax)73%
Initial CapexC$600M
Payback1 yrs
AISC18.4 USD/lb U3O8
Mine Life10 yrs
Mine TypeIn-Situ Recovery (ISR)
Ownership95%
Mineral Reserves
56.7 million lbs U3O8 in proven and probable reserves (219,000 tonnes at 11.7% U3O8)
Mineral Resources
70.6M lbs U3O8 @ 11.4% U3O8 Measured & Indicated (280,200 tonnes, 100% basis); Zone A high-grade domain: 56.3M lbs U3O8 @ 46.0% U3O8 M&I

Waterbury Lake (THT)

Uranium· Athabasca Basin, Northern Saskatchewan, Canada· Development
PEA
Oct 2020
Mine TypeIn-Situ Recovery (ISR)
Ownership70.6%

Waterbury Lake (THT / J Zone)

Uranium· Athabasca Basin, Northern Saskatchewan, Canada· Development
PEA
Oct 2020
Mine TypeIn-Situ Recovery (ISR)
Ownership70.6%

Project figures are automatically extracted from company filings and presentations and reflect the most recent disclosure found. They may contain errors — always verify against the linked source document.

Financial Metrics

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Frequently Asked Questions

What does Denison Mines Corp. mine?
Denison Mines Corp. is focused on Uranium.
What is the economic value of Denison Mines Corp.'s Phoenix (Wheeler River)?
According to its Feasibility, Phoenix (Wheeler River) has an after-tax NPV of C$1.57B and an IRR of 73%.
What exchange is Denison Mines Corp. listed on?
Denison Mines Corp. trades under the ticker DML.TO on the Toronto Stock Exchange (TSX).
How many projects does Denison Mines Corp. have?
We track 12 projects with extracted technical and economic data for Denison Mines Corp.

Project Analysis

ANALYSISURANIUMPFS

Wheeler River - Gryphon PFS: C$864M NPV, 37.6% IRR

Denison Mines Corp.'s Wheeler River - Gryphon in Athabasca Basin, Northern Saskatchewan, Canada has a Pre-Feasibility Study (PFS) outlining an after-tax NPV of C$864M, an after-tax IRR of 37.6%, and initial capital of C$737M. The proposed mine plan runs 6.5 years.

Denison Mines Corp.Jul 22, 2026
ANALYSISURANIUMFEASIBILITY STUDY

Wheeler River - Phoenix Feasibility Study: C$1.57B NPV, 73% IRR

Denison Mines Corp.'s Wheeler River - Phoenix in Athabasca Basin, Northern Saskatchewan, Canada has a Feasibility Study outlining an after-tax NPV of C$1.57B, an after-tax IRR of 73%, and initial capital of C$600M. The proposed mine plan runs 10 years.

Denison Mines Corp.Jul 22, 2026
ANALYSISURANIUMFEASIBILITY STUDY

Phoenix ISR (Wheeler River) Feasibility Study: C$1.57B NPV, 73% IRR

Denison Mines Corp.'s Phoenix ISR (Wheeler River) in Athabasca Basin, Northern Saskatchewan, Canada has a Feasibility Study outlining an after-tax NPV of C$1.57B, an after-tax IRR of 73%, and initial capital of C$600M. The proposed mine plan runs 10 years.

Denison Mines Corp.Jul 8, 2026
ANALYSISURANIUMPEA

Midwest PEA: C$965M NPV, 82.7% IRR

Denison Mines Corp.'s Midwest in Athabasca Basin, Northern Saskatchewan, Canada has a Preliminary Economic Assessment (PEA) outlining an after-tax NPV of C$965M, an after-tax IRR of 82.7%, and initial capital of C$254M.

Denison Mines Corp.Jun 21, 2026
ANALYSISURANIUMPFS

Gryphon (Wheeler River) PFS: C$864M NPV, 37.6% IRR

Denison Mines Corp.'s Gryphon (Wheeler River) in Athabasca Basin, Northern Saskatchewan, Canada has a Pre-Feasibility Study (PFS) outlining an after-tax NPV of C$864M, an after-tax IRR of 37.6%, and initial capital of C$737M. The proposed mine plan runs 6.5 years.

Denison Mines Corp.Jun 21, 2026
ANALYSISURANIUM (U3O8)FEASIBILITY STUDY

Phoenix (Wheeler River) Feasibility Study: C$1.57B NPV, 73% IRR

Denison Mines Corp.'s Phoenix (Wheeler River) in Athabasca Basin, Northern Saskatchewan, Canada has a Feasibility Study outlining an after-tax NPV of C$1.57B, an after-tax IRR of 73%, and initial capital of C$600M. The proposed mine plan runs 10 years.

Denison Mines Corp.Jun 21, 2026

Press Releases

PRESS RELEASE

Uranium Production Milestone Underscores Why Denison Mines Corp. (DNN) Is a Top Penny Stock to Buy

Denison Mines Corp. (NYSEAMERICAN:DNN) is one of the top penny stocks to buy in investors’ stock portfolio. On May 12, Denison Mines Corp. (NYSEAMERICAN:DNN) reiterated its impressive start to the year. Its Phoenix In-Situ Recovery uranium mine became the first large-scale Canadian uranium mining project to receive all regulatory approvals to commence construction. The company […]

Yahoo Finance8 hours ago
PRESS RELEASE

Is Denison Mines (DNN) One of the Best Nuclear Power Stocks to Buy According to Wall Street Analysts?

Denison Mines Corp. (NYSEAMERICAN:DNN) is included among the 15 Best Nuclear Power Stocks to Buy According to Wall Street Analysts. Denison Mines Corp. (NYSEAMERICAN:DNN) is a uranium mining, development, and exploration company with interests focused in the Athabasca Basin region of northern Saskatchewan, Canada. On May 14, Scotiabank analyst Orest Wowkodaw raised the firm’s price […]

Yahoo Finance3 days ago
PRESS RELEASE

Do New Murphy Lake Results Reframe Denison Mines’ (TSX:DML) Uranium Portfolio Priorities?

Cosa Resources Corp. recently reported chemical assays confirming uranium mineralization of up to 1.7% U3O8 over a 5.0-metre interval at the Murphy Lake North project, a joint venture with Denison Mines, with mineralization starting at a relatively shallow depth of about 265 metres and remaining open along 600 metres of strike. The joint venture partners are now preparing their largest drill program yet at Murphy Lake North, highlighting how these results could influence how investors view...

Yahoo Finance4 days ago
PRESS RELEASE

Denison Mines Deepens Foremost Stake As Athabasca Uranium Options Grow

Denison Mines (TSX:DML) has increased its equity stake in Foremost Clean Energy through an additional share subscription under an investor rights agreement. The move deepens Denison's involvement in Foremost's uranium assets, including the Hatchet Lake Uranium Project in the Athabasca Basin. The company is also progressing broader exploration partnerships across the Athabasca Basin focused on uranium supply potential. Denison Mines, trading at around CA$4.34, has had a sharp share price...

Yahoo Finance5/20/2026
PRESS RELEASE

Can Denison Mines Advance Phoenix With Uranium-Backed Funding Plan?

DNN advances Phoenix uranium project with approvals, early construction and financing moves, aiming for the first Canadian ISR mine and near-term production.

Yahoo Finance5/15/2026
PRESS RELEASE

Denison Mines (DNN) Drills Into Promising Uranium Ground Near Cigar Lake

Denison Mines Corp. (NYSEAMERICAN:DNN) is one of the best uranium stocks to buy according to Wall Street analysts. On May 6, Cosa Resources Corp. released winter 2026 drilling results from the Darby uranium project, which it co-owns with Denison Mines Corp. (NYSEAMERICAN:DNN). The project is a 70/30 joint venture between Cosa and Denison, and Cosa […]

Yahoo Finance5/15/2026
PRESS RELEASE

Denison Mines Advances Phoenix Uranium Build As Valuation Discount Persists

Denison Mines has received all required regulatory approvals for its Phoenix ISR uranium project. The company has made a final investment decision to begin construction of the Phoenix ISR mine. This is the first major uranium project approved in Canada in more than 20 years. Early works activities have started at the Phoenix site. For investors tracking TSX:DML, this move into full construction at Phoenix comes with the stock trading around CA$4.93 and showing very large gains over the past...

Yahoo Finance5/14/2026
PRESS RELEASE

Denison Mine (DNN) Reports Q1 Loss, Lags Revenue Estimates

Denison Mine (DNN) delivered earnings and revenue surprises of +33.33% and -0.49%, respectively, for the quarter ended March 2026. Do the numbers hold clues to what lies ahead for the stock?

Yahoo Finance5/13/2026
PRESS RELEASE

Denison Reports Financial and Operational Results for Q1 2026, Highlighted by Commencement of Site Preparation and Early Works for the Phoenix ISR Uranium Mine, and the Results of its Shareholder Meeting

Denison Mines Corp. ("Denison" or the "Company") (TSX: DML) (NYSE American: DNN) today filed its Condensed Consolidated Financial Statements and Management's Discussion & Analysis ('MD&A') for the quarter ended March 31, 2026. Both documents will be available on the Company's website (at www.denisonmines.com), SEDAR+ (at www.sedarplus.ca) and EDGAR (at www.sec.gov/edgar). The highlights provided below are derived from these documents and should be read in conjunction with them. All amounts in th

Yahoo Finance5/13/2026
PRESS RELEASE

DNN Stock Trades at Premium Value: Should You Buy, Hold or Sell?

Denison Mines' premium valuation is backed by Phoenix ISR progress, rising uranium output and a strong balance sheet supporting long-term growth.

Yahoo Finance5/11/2026

Quick Facts

Ticker Symbol
DML.TO
Market Cap
Mid Cap
Category
Uranium
Commodities
Uranium

This information is for educational purposes only and does not constitute investment advice. Always conduct your own research before making investment decisions.

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