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Denison Mines Corp.

DNN
Exchange
NYSE
Industry
Miscellaneous Metal Ores
SEC CIK
0001063259

No open-market purchases or sales by Denison Mines Corp. insiders were filed in the last 90 days; 285 institutions reported holding it in 13F filings for Q2 2026, worth $1.57B in total; no superinvestor holds it.

13F holders, Q2 2025

Institutional positions in Denison Mines Corp. as of Jun 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
219
−1 vs. Q1 2025
Shares held
444.6M
+31.1M (+7.5%) vs. Q1 2025
Total value
$810.0M
+$270.5M (+50.1%) vs. Q1 2025
New holders
26
77 more added
Sold out
27
52 more reduced

1 institution that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting DNN on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2025: 219 institutions
Q1 2021: 113 institutionsQ2 2021: 130 institutionsQ3 2021: 137 institutionsQ4 2021: 149 institutionsQ1 2022: 159 institutionsQ2 2022: 151 institutionsQ3 2022: 146 institutionsQ4 2022: 159 institutionsQ1 2023: 163 institutionsQ2 2023: 160 institutionsQ3 2023: 179 institutionsQ4 2023: 188 institutionsQ1 2024: 202 institutionsQ2 2024: 201 institutionsQ3 2024: 193 institutionsQ4 2024: 209 institutionsQ1 2025: 221 institutionsQ2 2025: 219 institutionsQ3 2025: 244 institutionsQ4 2025: 279 institutionsQ1 2026: 297 institutionsQ2 2026: 285 institutions
Value heldQ2 2025: $810.0M
Q1 2021: $165.3MQ2 2021: $211.1MQ3 2021: $297.2MQ4 2021: $299.4MQ1 2022: $359.5MQ2 2022: $220.8MQ3 2022: $271.0MQ4 2022: $274.9MQ1 2023: $278.1MQ2 2023: $326.1MQ3 2023: $477.6MQ4 2023: $580.5MQ1 2024: $607.4MQ2 2024: $734.9MQ3 2024: $660.3MQ4 2024: $721.9MQ1 2025: $539.5MQ2 2025: $810.0MQ3 2025: $1.37BQ4 2025: $1.25BQ1 2026: $1.77BQ2 2026: $1.57B
Institutions holding DNN and their total value by quarter
QuarterHoldersValue
Q2 2026285$1.57B
Q1 2026297$1.77B
Q4 2025279$1.25B
Q3 2025244$1.37B
Q2 2025219$810.0M
Q1 2025221$539.5M
Q4 2024209$721.9M
Q3 2024193$660.3M
Q2 2024201$734.9M
Q1 2024202$607.4M
Q4 2023188$580.5M
Q3 2023179$477.6M
Q2 2023160$326.1M
Q1 2023163$278.1M
Q4 2022159$274.9M
Q3 2022146$271.0M
Q2 2022151$220.8M
Q1 2022159$359.5M
Q4 2021149$299.4M
Q3 2021137$297.2M
Q2 2021130$211.1M
Q1 2021113$165.3M

Institutions, Q2 2025

Shares, value and share of portfolio for each institution holding Denison Mines Corp.; share changes are against Q1 2025.

Institutions holding DNN in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Millennium Management LLC4,746,410$8.65M0.01%−963,920−16.9%Reduced
Renaissance Technologies LLC5,152,401$9.38M0.01%−6,924,521−57.3%Reduced
Susquehanna International Group, LLP5,310,393$9.66M0.01%+2,675,897+101.6%Added
Royal Bank of Canada5,664,155$10.3M0.00%+1,346,417+31.2%Added
Beutel, Goodman & Co Ltd.5,856,260$10.7M0.06%−200,340−3.3%Reduced
Lloyd Harbor Capital Management, LLC6,710,162$12.2M8.56%+300,000+4.7%Added
Scopus Asset Management, L.P.7,611,802$13.9M0.37%−104,600−1.4%Reduced
UBS Group AG8,640,294$15.7M0.00%+4,865,066+128.9%Added
Connor, Clark & Lunn Investment Management Ltd.8,945,229$16.4M0.06%+2,338,325+35.4%Added
TD Asset Management Inc8,987,804$16.4M0.01%+352,195+4.1%Added
Vident Advisory, LLC9,755,610$17.8M0.20%+2,881,618+41.9%Added
Citadel Advisors LLC10,492,541$19.1M0.02%+907,585+9.5%Added
Capital Research Global Investors11,455,935$20.9M0.00%+2,626,749+29.8%Added
MMCAP International Inc. SPC13,412,284$24.4M2.94%−10,483,033−43.9%Reduced
Hood River Capital Management LLC26,596,628$48.4M0.68%−302,183−1.1%Reduced
Segra Capital Management, LLC33,901,398$61.7M19.90%+3,802,588+12.6%Added
Mirae Asset Global ETFs Holdings Ltd.50,305,240$91.8M0.18%−7,823,044−13.5%Reduced
Van Eck Associates Corp53,454,626$97.3M0.11%+19,620,113+58.0%Added
Alps Advisors Inc60,006,874$109.2M0.63%+2,214,721+3.8%Added
Quantbot Technologies LP0$00.00%−962,991−100.0%Sold out
Arlington Capital Management, Inc.0$00.00%−490,374−100.0%Sold out
Triasima Portfolio Management inc.0$00.00%−348,688−100.0%Sold out
Mirabella Financial Services LLP0$00.00%−350,000−100.0%Sold out
Acuitas Investments, LLC0$00.00%−336,000−100.0%Sold out
Marshall Wace, LLP0$00.00%−248,307−100.0%Sold out
Simplex Trading, LLC0$00.00%−103,011−100.0%Sold out
Fore Capital, LLC0$00.00%−100,000−100.0%Sold out
JPMorgan Chase & Co0$00.00%−89,420−100.0%Sold out
Ground Swell Capital, LLC0$00.00%−69,550−100.0%Sold out
SG Americas Securities, LLC0$00.00%−54,334−100.0%Sold out
U S Global Investors Inc0$00.00%−50,000−100.0%Sold out
SIH Partners, LLLP0$00.00%−35,873−100.0%Sold out
Prelude Capital Management, LLC0$00.00%−26,038−100.0%Sold out
Farringdon Capital, Ltd.0$00.00%−21,225−100.0%Sold out
Kestra Advisory Services, LLC0$00.00%−20,595−100.0%Sold out
Buckingham Strategic Partners0$00.00%−14,518−100.0%Sold out
Keebeck Alpha, LP0$00.00%−12,887−100.0%Sold out
Sigma Planning Corp0$00.00%−12,000−100.0%Sold out
Huntington National Bank0$00.00%−6,785−100.0%Sold out
Mirae Asset Global Investments Co., Ltd.0$00.00%−4,313−100.0%Sold out
Amundi0$00.00%−1,398−100.0%Sold out
Optiver Holding B.V.0$00.00%−647−100.0%Sold out
Geneos Wealth Management Inc.0$00.00%−500−100.0%Sold out
MAI Capital Management0$00.00%−174−100.0%Sold out
Central Trust Co0$00.00%−60−100.0%Sold out
Atlas Capital Advisors LLC0$00.00%−50−100.0%Sold out
Marcum Wealth, LLC––––Not filed