Denison Mines Corp.
Denison Mines Corp. (DNN) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · DNN · as of Sep 30, 2025
Ownership Breakdown
263
Institutional Holders
▲ 30 vs Q2
$1.37B
Total Inst. Value
▲ $563.01M vs Q2
904.17M
Shares Outstanding
freeFloat 99.76%
496.25M
13F Shares Held
▲ 51.92M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
DNN largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VAN ECK ASSOCIATES CORP miscellaneous metal ores | 62.80M | 7.01% | 7.01% | $172.71B | Nov 13, 2025 | ▲ 9.35M |
ALPS ADVISORS INC miscellaneous metal ores | 53.89M | 6.01% | 6.01% | $148.20B | Nov 5, 2025 | ▼ 6.11M |
MIRAE ASSET GLOBAL ETFS HOLDINGS LTD. miscellaneous metal ores | 52.33M | 5.84% | 5.84% | $144.05B | Nov 14, 2025 | ▲ 2.03M |
HOOD RIVER CAPITAL MANAGEMENT LLC miscellaneous metal ores | 26.24M | 2.93% | 2.93% | $72.17B | Nov 14, 2025 | ▼ 353.4K |
UBS GROUP AG miscellaneous metal ores | 20.70M | 2.31% | 2.31% | $56.94B | Nov 13, 2025 | NEW |
CITADEL ADVISORS LLC miscellaneous metal ores | 18.55M | 2.07% | 2.07% | $51.02B | Nov 14, 2025 | ▲ 8.06M |
TWO SIGMA INVESTMENTS, LP miscellaneous metal ores | 17.03M | 1.90% | 1.90% | $46.82B | Nov 14, 2025 | ▲ 16.08M |
L1 CAPITAL PTY LTD miscellaneous metal ores | 14.01M | 1.56% | 1.56% | $44.40B | Nov 14, 2025 | ▲ 13.71M |
TWO SIGMA ADVISERS, LP miscellaneous metal ores | 13.71M | 1.53% | 1.53% | $37.72B | Nov 14, 2025 | NEW |
VANGUARD GROUP INC miscellaneous metal ores | 13.26M | 1.48% | 1.48% | $36.50B | Nov 7, 2025 | ▲ 12.53M |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
21
Increased
+100.43M shares5
New Positions
first time holders22
Decreased
−27.69M shares0
Sold Out
fully exitedNet shares change (top 50)
+72.74M
+100.43M / −27.69M
Net new holders
+4
5 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
DNN insider trading · insider activity
Source: SEC Form 4
Recent Insider Transactions
Showing 10 most recent · Common Stock only
No recent insider transactions reported.
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Denison Mines Corp. (DNN) is primarily owned by institutional investors, who hold approximately 54.9% of total shares outstanding. Company insiders own approximately 0.24%, while retail and public investors account for the remaining 44.88%.
The largest institutional shareholder of Denison Mines Corp. is VAN ECK ASSOCIATES CORP, holding approximately 62.80 million shares — equal to 7.01% of outstanding shares — as of September 30, 2025.
A total of 263 institutional investors currently hold DNN stock, with a combined institutional value of approximately $1.37 billion as of the most recent 13F filing period.
Frequently asked questions
DNN ownershipDenison Mines Corp. (DNN) is primarily owned by institutional investors, who hold approximately 54.9% of shares. The largest shareholder is VAN ECK ASSOCIATES CORP with a 7.01% stake. Company insiders hold 0.24%. Data sourced from SEC Form 13F as of September 30, 2025.