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.
Holders of 5% or more of DNN
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Denison Mines Corp., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Van Eck Associates Corp | 13G/A | 9.70%87.5M shares | −0.32 ppfrom 10.02% | Aug 14, 20255 filings | Aug 14, 2026 | SEC |
| Global X Management CO LLC | 13G/A | 7.07%63.8M shares | +1.46 ppfrom 5.61% | Feb 14, 20234 filings | May 15, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
12 Schedule 13D and 13G filings on Denison Mines Corp., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Aug 14, 20264:07 PM ET | Van Eck Associates Corp | 13G/A | 9.70%87.5M shares | −0.32 ppfrom 10.02% | Jun 30, 2026 | SEC |
| May 15, 20269:58 PM ET | Global X Management CO LLC | 13G/A | 7.07%63.8M shares | +1.46 ppfrom 5.61% | Mar 31, 2026 | SEC |
| Apr 7, 202611:41 AM ET | Van Eck Associates Corp | 13G/A | 10.02%89.9M shares | +1.51 ppfrom 8.51% | Mar 3, 2026 | SEC |
| Feb 13, 20269:27 AM ET | Van Eck Associates Corp | 13G/A | 8.51%76.3M shares | +1.47 ppfrom 7.04% | Dec 31, 2025 | SEC |
| Nov 12, 20253:55 PM ET | Van Eck Associates Corp | 13G | 7.04%63.2M shares | +1.05 ppfrom 5.99% | Sep 30, 2025 | SEC |
| Aug 14, 20259:05 PM ET | Global X Management CO LLC | 13G/A | 5.61%50.3M shares | – | Jun 30, 2025 | SEC |
| Aug 14, 20251:02 PM ET | Van Eck Associates Corp | 13G | 5.99%53.7M shares | New | Jun 30, 2025 | SEC |
| Nov 14, 2024 | Global X Management CO LLC | 13G/AOld format | – | – | – | SEC |
| Feb 14, 2024 | Global X Management CO LLC | 13GOld format | – | – | – | SEC |
| Feb 13, 2024 | MMCAP International Inc. SPC | 13G/AOld format | – | – | – | SEC |
| Feb 14, 2023 | Global X Management CO LLC | 13GOld format | – | New | – | SEC |
| Feb 14, 2023 | MMCAP International Inc. SPC | 13G/AOld format | – | – | – | SEC |
| Mar 31, 2022 | MMCAP International Inc. SPC | 13GOld format | – | New | – | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Denison Mines Corp. shares.
No Form 144 notices for Denison Mines Corp. are on file.