Skip to main content
DNN logo

DNN · Denison Mines Corp.

Track DNN — free
$3.63 -0.09 (-2.42%) At close · Aug 26
Market Cap
$3.37B
Shares
905.14M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 289
Total Value: $1,803,805,339
Total Shares: 589,478,914

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 289 13F filers · Δ vs Mar 31, 2026
Top Holder
14.8%
Sep 2023 → Jun 2026 · range 11.9% – 18.1%
+2.5 pts
Top 5
43.5%
Sep 2023 → Jun 2026 · range 41.8% – 56.8%
+1.7 pts
Top 10
60.7%
Sep 2023 → Jun 2026 · range 57.9% – 72.2%
+0.9 pts
HHI
550
Sep 2023 → Jun 2026 · range 493 – 818
Broadly held+54

Quarterly Activity

vs Mar 31, 2026
New
39
Increased
96
Decreased
72
Sold Out
54
Unchanged
82
Holder count: -15
Institutional value: -12.0%
Shares held: +1.5%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 309
Export CSV
Holder Value (USD) % of 13F Shares Open
Key facts CIK 1063259 CUSIP 248356107 13F (30d) 242 filings 238 filers Visit website Investor relations