DENISON MINES CORP DNN
COM · Common Stock · CUSIP 248356107 · ISIN CA2483561072
- SectorMaterials
- IndustryMiscellaneous Metal Ores
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($9.8m this quarter). Holder counts are more reliable. Shares outstanding: 901.6m as of 2025-12-31, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $3.53. Options: 24 managers hold calls ($285.8m notional), 13 hold puts ($19.0m).
Trends to Q1 2026
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 146 |
| Q4 2022 | 160 |
| Q1 2023 | 164 |
| Q2 2023 | 161 |
| Q3 2023 | 180 |
| Q4 2023 | 189 |
| Q1 2024 | 203 |
| Q2 2024 | 201 |
| Q3 2024 | 193 |
| Q4 2024 | 209 |
| Q1 2025 | 221 |
| Q2 2025 | 219 |
| Q3 2025 | 243 |
| Q4 2025 | 278 |
| Q1 2026 | 296 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q2 2024 | 82 | 74 |
| Q3 2024 | 88 | 84 |
| Q4 2024 | 95 | 86 |
| Q1 2025 | 111 | 81 |
| Q2 2025 | 100 | 79 |
| Q3 2025 | 113 | 91 |
| Q4 2025 | 144 | 99 |
| Q1 2026 | 153 | 121 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q2 2025 | $10.7m | $4.7m | 0.44 |
| Q3 2025 | $89.2m | $12.6m | 0.14 |
| Q4 2025 | $145.0m | $17.0m | 0.12 |
| Q1 2026 | $285.8m | $19.0m | 0.07 |
Biggest buyers
| T. Rowe Price Investment Management, Inc. | New | +14.5m |
| Capital Research Global Investors | New | +13.7m |
| RENAISSANCE TECHNOLOGIES LLC | Added | +6.9m |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | Added | +5.2m |
| Temasek Holdings (Private) Ltd | New | +3.7m |
| MILLENNIUM MANAGEMENT LLC | Added | +3.6m |
| Aquatic Capital Management LLC | New | +3.0m |
| JANE STREET GROUP, LLC | Added | +2.7m |
| Quadrature Capital Ltd | Added | +1.9m |
| CITADEL ADVISORS LLC | Added | +1.7m |
Biggest sellers
| TWO SIGMA ADVISERS, LP | Sold out | -5.7m |
| Lloyd Harbor Capital Management, LLC | Reduced | -5.2m |
| VAN ECK ASSOCIATES CORP | Reduced | -4.4m |
| MMCAP International Inc. SPC | Reduced | -4.4m |
| TWO SIGMA INVESTMENTS, LP | Reduced | -3.6m |
| Connor, Clark & Lunn Investment Management Ltd. | Reduced | -3.4m |
| ARDSLEY ADVISORY PARTNERS LP | Reduced | -2.7m |
| DAVENPORT & Co LLC | Reduced | -2.1m |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | -1.9m |
| Balyasny Asset Management L.P. | Sold out | -1.9m |
Biggest calls
| JANE STREET GROUP, LLC | Added | $76.3m21.6m shares |
| UBS Group AG | Unchanged | $73.1m20.7m shares |
| TORONTO DOMINION BANK | Added | $68.1m19.3m shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $27.9m7.9m shares |
| GROUP ONE TRADING LLC | Reduced | $10.2m2.9m shares |
| PEAK6 LLC | Added | $9.9m2.8m shares |
| SIMPLEX TRADING, LLC | Reduced | $4.3m1.2m shares |
| CIBC Bancorp USA Inc. | First filing | $3.6m1.0m shares |
| Caption Management, LLC | Added | $3.5m1.0m shares |
| Parallax Volatility Advisers, L.P. | Reduced | $2.7m707.2k shares |
Biggest puts
| TORONTO DOMINION BANK | Added | $6.0m1.7m shares |
| WOLVERINE ASSET MANAGEMENT LLC | Unchanged | $4.2m1.2m shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $4.1m1.2m shares |
| CITADEL ADVISORS LLC | Reduced | $1.5m416.4k shares |
| IMC-Chicago, LLC | Reduced | $1.1m306.0k shares |
| GROUP ONE TRADING LLC | Reduced | $972.9k275.6k shares |
| SIMPLEX TRADING, LLC | Reduced | $441.2k125.0k shares |
| JANE STREET GROUP, LLC | Added | $370.6k105.0k shares |
| CIBC Bancorp USA Inc. | First filing | $158.8k45.0k shares |
| Walleye Capital LLC | Reduced | $131.0k37.1k shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| VAN ECK ASSOCIATES CORP 13G · institution -0.3 pts · filed 2026-08-14 | 9.7% |
| Global X Management CO LLC 13G · institution +1.5 pts · filed 2026-05-15 | 7.1% |
Insider purchases and sales in Q1 2026
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
None reported in Q1 2026.
Holders, Q1 2026
| Manager | Shares | Change |
|---|---|---|
| VAN ECK ASSOCIATES CORP 0.19% of their portfolio | 71.5m $252.4m | Reduced -4.4m |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.31% of their portfolio | 64.0m $226.3m | Added +5.2m |
| ALPS ADVISORS INC 0.76% of their portfolio | 46.0m $162.4m | Reduced -1.9m |
| Hood River Capital Management LLC 0.95% of their portfolio | 26.8m $94.7m | Reduced -183.9k |
| VANGUARD CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 25.4m $90.2m | First filing |
| T. Rowe Price Investment Management, Inc. 0.04% of their portfolio | 14.5m $51.1m | New |
| Capital Research Global Investors 0.01% of their portfolio | 13.7m $48.4m | New |
| TWO SIGMA INVESTMENTS, LP 0.03% of their portfolio | 11.3m $39.9m | Reduced -3.6m |
| MORGAN STANLEY 0.00% of their portfolio | 11.0m $38.8m | Added +1.2m |
| JANE STREET GROUP, LLC 0.04% of their portfolio | 10.6m $37.3m | Added +2.7m |
| RENAISSANCE TECHNOLOGIES LLC 0.05% of their portfolio | 9.5m $33.4m | Added +6.9m |
| TD Asset Management Inc 0.03% of their portfolio | 9.3m $32.9m | Added +715.5k |
| UBS Group AG 0.01% of their portfolio | 8.3m $29.2m | Added +531.4k |
| CITADEL ADVISORS LLC 0.02% of their portfolio | 7.9m $27.8m | Added +1.7m |
| VANGUARD FIDUCIARY TRUST CO 0.01% of their portfolio | 7.8m $27.6m | First filing |
| SCOPUS ASSET MANAGEMENT, L.P. 0.83% of their portfolio | 7.5m $26.6m | Unchanged |
| Vident Advisory, LLC 0.22% of their portfolio | 7.5m $26.4m | Added +349.7k |
| Connor, Clark & Lunn Investment Management Ltd. 0.05% of their portfolio | 5.9m $21.0m | Reduced -3.4m |
| MILLENNIUM MANAGEMENT LLC 0.02% of their portfolio | 5.8m $20.5m | Added +3.6m |
| ROYAL BANK OF CANADA 0.00% of their portfolio | 5.8m $20.5m | Reduced -17.5k |
| Goehring & Rozencwajg Associates, LLC 0.90% of their portfolio | 4.7m $16.7m | Added +767.9k |
| Merewether Investment Management, LP 0.29% of their portfolio | 4.2m $14.9m | Reduced -1.7m |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.01% of their portfolio | 4.1m $14.4m | Reduced -10.5k |
| DAVENPORT & Co LLC 0.07% of their portfolio | 3.8m $13.4m | Reduced -2.1m |
| Beutel, Goodman & Co Ltd. 0.09% of their portfolio | 3.7m $13.2m | Reduced -49.5k |
| Temasek Holdings (Private) Ltd 0.04% of their portfolio | 3.7m $13.2m | New |
| CANADA LIFE ASSURANCE Co 0.02% of their portfolio | 3.6m $12.8m | Added +465.7k |
| BANK OF MONTREAL /CAN/ 0.00% of their portfolio | 3.3m $11.6m | Added +215.6k |
| De Lisle Partners LLP 1.36% of their portfolio | 3.2m $11.3m | Added +75.9k |
| BNP PARIBAS FINANCIAL MARKETS 0.01% of their portfolio | 3.1m $11.0m | Reduced -1.7m |
| TORONTO DOMINION BANK 0.02% of their portfolio | 3.1m $10.9m | Added +150.5k |
| Aquatic Capital Management LLC 0.31% of their portfolio | 3.0m $10.8m | New |
| Azarias Capital Management, L.P. 4.62% of their portfolio | 2.9m $10.3m | Unchanged |
| MMCAP International Inc. SPC 0.87% of their portfolio | 2.9m $10.1m | Reduced -4.4m |
| GOLDMAN SACHS GROUP INC 0.00% of their portfolio | 2.8m $10.0m | Added +1.6m |
| Vanguard Global Advisers, LLC 0.01% of their portfolio | 2.8m $9.9m | First filing |
| ArrowMark Colorado Holdings LLC 0.25% of their portfolio | 2.7m $9.6m | Reduced -613.0k |
| PCJ Investment Counsel Ltd. 2.68% of their portfolio | 2.7m $9.4m | Reduced -259.6k |
| Quadrature Capital Ltd 0.11% of their portfolio | 2.6m $9.1m | Added +1.9m |
| Summit Financial, LLC 0.11% of their portfolio | 2.4m $8.4m | Added +1.0k |
| Regal Partners Ltd 0.40% of their portfolio | 2.1m $7.4m | Added +1.3m |
| JANUS HENDERSON GROUP PLC 0.00% of their portfolio | 1.9m $6.7m | Added +447.0k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio | 1.9m $6.6m | Added +636.9k |
| Swiss National Bank 0.00% of their portfolio | 1.8m $6.3m | Unchanged |
| TITAN GLOBAL CAPITAL MANAGEMENT USA LLC 0.93% of their portfolio | 1.8m $6.2m | Reduced -120.4k |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 1.7m $6.2m | Added +760.7k |
| ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio | 1.7m $4.6m | Reduced -98.8k |
| NOMURA HOLDINGS INC 0.05% of their portfolio | 1.7m $5.8m | Reduced -318.2k |
| DEUTSCHE BANK AG\ 0.00% of their portfolio | 1.6m $5.8m | Reduced -141.5k |
| Caisse de depot et placement du Quebec 0.01% of their portfolio | 1.6m $5.5m | New |
| NATIONAL BANK OF CANADA /FI/ 0.01% of their portfolio | 1.5m $5.4m | Added +224.1k |
| SPROTT INC. 0.16% of their portfolio | 1.5m $5.3m | Added +407.6k |
| ARDSLEY ADVISORY PARTNERS LP 0.75% of their portfolio | 1.4m $4.9m | Reduced -2.7m |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 1.3m $4.7m | Added +195.9k |
| COHEN & STEERS, INC. 0.01% of their portfolio | 1.2m $4.4m | Added +29.0k |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 1.2m $4.1m | Added +124.6k |
| Federation des caisses Desjardins du Quebec 0.02% of their portfolio | 1.2m $4.3m | Added +67.9k |
| INTACT INVESTMENT MANAGEMENT INC. 0.12% of their portfolio | 1.2m $4.2m | Reduced -127.3k |
| BW Gestao de Investimentos Ltda. 0.18% of their portfolio | 1.1m $4.0m | Reduced -721.6k |
| SummitTX Capital, L.P. 0.12% of their portfolio | 1.1m $3.7m | Added +115.0k |
| MACKENZIE FINANCIAL CORP 0.00% of their portfolio | 1.0m $3.7m | Added +54.1k |
| BANK OF NOVA SCOTIA 0.01% of their portfolio | 1.0m $3.7m | Reduced -761.5k |
| HRT FINANCIAL LP 0.01% of their portfolio | 979.9k $3.5m | Added +564.9k |
| GeoSphere Capital Management, LLC 2.08% of their portfolio | 977.1k $3.4m | Reduced -422.9k |
| Cetera Investment Advisers 0.00% of their portfolio | 976.8k $3.4m | Added +34.2k |
| Legal & General Group Plc 0.00% of their portfolio | 951.5k $3.4m | Added +13.4k |
| Fielder Capital Group LLC 0.70% of their portfolio | 909.2k $3.2m | Reduced -96.0k |
| Lloyd Harbor Capital Management, LLC 1.64% of their portfolio | 900.0k $3.2m | Reduced -5.2m |
| XTX Topco Ltd 0.05% of their portfolio | 874.7k $3.1m | Added +731.5k |
| Marex Group Ltd 0.03% of their portfolio | 870.5k $3.1m | New |
| Banque Cantonale Vaudoise 0.12% of their portfolio | 868.0k $3.1m | Added +12.0k |
| SCOTIA CAPITAL INC. 0.01% of their portfolio | 832.1k $2.9m | Added +22.6k |
| CIBC Asset Management Inc 0.01% of their portfolio | 808.1k $2.9m | Added +31.0k |
| Hennion & Walsh Asset Management, Inc. 0.09% of their portfolio | 794.1k $2.8m | Added +147.7k |
| Alpha Wave Global, LP 0.34% of their portfolio | 750.4k $2.6m | Reduced -86.9k |
| Triasima Portfolio Management inc. 0.39% of their portfolio | 728.5k $2.6m | Added +9.1k |
| BRITISH COLUMBIA INVESTMENT MANAGEMENT Corp 0.02% of their portfolio | 717.2k $2.5m | Added +274.2k |
| CITIGROUP INC 0.00% of their portfolio | 710.3k $2.5m | Reduced -18.4k |
| ExodusPoint Capital Management, LP 0.02% of their portfolio | 688.5k $2.4m | New |
| VANGUARD ASSET MANAGEMENT, Ltd 0.00% of their portfolio | 680.4k $2.4m | First filing |
| Nuveen, LLC 0.00% of their portfolio | 674.6k $2.4m | Unchanged |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 660.1k $2.4m | Added +47.8k |
| Old West Investment Management, LLC 0.23% of their portfolio | 609.4k $2.2m | Reduced -106.5k |
| Bridgewater Associates, LP 0.01% of their portfolio | 582.6k $2.1m | Reduced -886.9k |
| Extract Advisors LLC 1.22% of their portfolio | 500.0k $1.8m | Reduced -1.2m |
| D. E. Shaw & Co., Inc. 0.00% of their portfolio | 471.6k $1.7m | Reduced -1.5m |
| MARSHALL WACE, LLP 0.00% of their portfolio | 466.1k $1.6m | Added +292.6k |
| Tidal Investments LLC 0.01% of their portfolio | 465.8k $1.6m | Added +90.8k |
| CIBC WORLD MARKET INC. 0.00% of their portfolio | 428.6k $1.5m | Reduced -344.3k |
| Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% of their portfolio | 420.5k $1.5m | Added +113.1k |
| Defiance ETFs, LLC 0.02% of their portfolio | 419.5k $1.5m | New |
| TD Waterhouse Canada Inc. 0.00% of their portfolio | 418.5k $1.5m | Added +101.0k |
| OLD MISSION CAPITAL LLC 0.03% of their portfolio | 411.3k $1.5m | Reduced -20.3k |
| RAYMOND JAMES FINANCIAL INC 0.00% of their portfolio | 410.7k $1.4m | Added +193.9k |
| Accordant Advisory Group Inc 0.87% of their portfolio | 399.2k $1.4m | Added +4.8k |
| ENVESTNET ASSET MANAGEMENT INC 0.00% of their portfolio | 393.2k $1.4m | Added +96.2k |
| Chicago Partners Investment Group LLC 0.03% of their portfolio | 382.9k $1.6m | Added +100.3k |
| Cambridge Investment Research Advisors, Inc. 0.00% of their portfolio | 320.4k $1.1m | Reduced -13.8k |
| PINEBRIDGE INVESTMENTS LLC 0.01% of their portfolio | 313.5k $1.5m | Reduced -890.6k |
| CONFLUENCE INVESTMENT MANAGEMENT LLC 0.02% of their portfolio | 313.1k $1.1m | Reduced -8.1k |