Denison Mines
219 hedge funds and large institutions have $810M invested in Denison Mines in 2025 Q2 according to their latest regulatory filings, with 26 funds opening new positions, 76 increasing their positions, 52 reducing their positions, and 27 closing their positions.
130% more call options, than puts
Call options by funds: $10.6M | Put options by funds: $4.62M
50% more capital invested
Capital invested by funds: $539M → $810M (+$270M)
46% more repeat investments, than reductions
Existing positions increased: 76 | Existing positions reduced: 52
3.42% more ownership
Funds ownership: 46.17% → 49.59% (+3.4%)
0% more funds holding in top 10
Funds holding in top 10: 3 → 3 (0)
1% less funds holding
Funds holding: 221 → 219 (-2)
4% less first-time investments, than exits
New positions opened: 26 | Existing positions closed: 27
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
VanEck Associates
New York
|
+$29.7M |
| 2 |
UBS Group
Zurich,
Switzerland
|
+$7.37M |
| 3 |
Balyasny Asset Management
Chicago,
Illinois
|
+$6.66M |
| 4 |
SCM
Segra Capital Management
Palm Beach,
Florida
|
+$5.76M |
| 5 |
BGDI
BW Gestao de Investimentos
Sao Paulo,
Brazil
|
+$4.44M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
MI
MMCAP International
Grand Cayman,
Cayman Islands
|
-$15.9M |
| 2 |
Mirae Asset Global ETFs Holdings
Causeway Bay,
Hong Kong
|
-$11.9M |
| 3 |
Renaissance Technologies
New York
|
-$10.5M |
| 4 |
Morgan Stanley
New York
|
-$6.05M |
| 5 |
BA
Bridgewater Associates
Westport,
Connecticut
|
-$4.9M |
DNN Hedge Fund Activity: Q2 2025 in Review
219 of the 7,613 institutional investors tracked by Wall St. Rank reported a position in Denison Mines (DNN) for Q2 2025, worth a combined $810M — up 50% from $539M a quarter earlier.
Sellers outnumbered buyers: 27 funds closed out of DNN and 26 opened new positions — a net loss of 1 holder — while 52 trimmed existing stakes and 76 added.
The largest buyer was VanEck Associates, adding an estimated $29.7M. The largest seller was MMCAP International, cutting an estimated $15.9M.
- 219 institutional investors held Denison Mines (DNN) as of Q2 2025, down from 221 in Q1 2025.
- Funds reported $810M of Denison Mines stock for Q2 2025, up 50% quarter-over-quarter.
- 26 funds opened new Denison Mines positions in Q2 2025 and 27 closed out, a net change of -1 holder.
- The largest Denison Mines buyer in Q2 2025 was VanEck Associates, an estimated $29.7M added.
- The largest Denison Mines seller in Q2 2025 was MMCAP International, an estimated $15.9M sold.
Based on aggregated 13F filings for Q2 2025.