Denison Mines Corp.

DNN

Exchange: NYSE
Industry: Miscellaneous Metal Ores
SEC CIK: 0001063259

SEC filings (opens in a new tab)

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.

Q3 2025 vs. Q2 2025

How the institutions holding Denison Mines Corp. changed between Q2 2025 and Q3 2025.

All holders in Q3 2025 All holders in Q2 2025

13F holders of DNN: Q2 2025 compared with Q3 2025
Measure	Q2 2025	Of which not filed for Q3 2025	Q3 2025	Change
Holders	219	3	244	+28
Shares	444.6M	61.5K	496.6M	+52.0M (+11.7%)
Value	$810.0M	$111.9K	$1.37B	+$563.4M (+69.6%)

3 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (52)

Institutions that held Denison Mines Corp. at the end of Q3 2025 but not at the end of Q2 2025.

Institutions new to DNN in Q3 2025
Institution	Shares	Value	% of portfolio
Two Sigma Advisers, LP	13,715,000	$37.7M	0.08%
Merewether Investment Management, LP	6,819,900	$18.8M	0.45%
Pinebridge Investments, L.P.	1,475,227	$5.65M	0.04%
Nomura Holdings Inc	1,996,825	$5.49M	0.02%
Freshford Capital Management, LLC	1,713,731	$4.71M	1.36%
JPMorgan Chase & Co	1,102,594	$3.03M	0.00%
D. E. Shaw & Co., Inc.	973,300	$2.68M	0.00%
Charles Schwab Investment Management Inc	669,575	$1.84M	0.00%
Cohen & Steers, Inc.	588,591	$1.62M	0.00%
Triasima Portfolio Management inc.	566,320	$1.56M	0.24%
Cubist Systematic Strategies, LLC	555,553	$1.53M	0.02%
Massar Capital Management, LP	399,833	$1.10M	0.39%
Aquatic Capital Management LLC	290,231	$798.1K	0.01%
Schonfeld Strategic Advisors LLC	259,137	$712.6K	0.00%
Interval Partners, LP	216,803	$596.2K	0.01%
Wexford Capital LP	149,148	$410.2K	0.12%
HSBC Holdings PLC	142,860	$392.9K	0.00%
Persistent Asset Partners Ltd	112,549	$309.8K	0.22%
Point72 Asia (Singapore) Pte. Ltd.	105,685	$290.6K	0.04%
Simplex Trading, LLC	97,984	$269.0K	0.01%
We Are One Seven, LLC	96,487	$265.3K	0.01%
Prelude Capital Management, LLC	79,132	$217.6K	0.02%
Jain Global LLC	75,700	$208.2K	0.00%
Dynamic Technology Lab Private Ltd	71,345	$196.0K	0.03%
Stephens Inc	45,013	$123.8K	0.00%
Sig Brokerage, LP	44,884	$123.4K	0.03%
K.J. Harrison & Partners Inc	41,238	$114.3K	0.02%
Marshall Wace, LLP	39,100	$107.5K	0.00%
Brevan Howard Capital Management LP	35,258	$97.0K	0.00%
SEI Investments Co	35,048	$96.4K	0.00%
The PNC Financial Services Group, Inc.	29,000	$79.8K	0.00%
Abbington Investment Group	24,195	$66.5K	0.06%
Farringdon Capital, Ltd.	22,893	$63.0K	0.02%
Independent Advisor Alliance	20,619	$56.7K	0.00%
Point72 (DIFC) Ltd	20,558	$56.5K	0.00%
Blueshift Asset Management, LLC	17,962	$49.4K	0.02%
First Trust Advisors LP	17,856	$49.1K	0.00%
Franklin Resources Inc	17,316	$47.6K	0.00%
StoneX Group Inc.	14,048	$38.6K	0.00%
Financial Sense Advisors, Inc.	13,786	$37.9K	0.01%
Park Avenue Securities LLC	13,535	$37.0K	0.00%
Sequoia Financial Advisors, LLC	13,362	$36.7K	0.00%
Jefferies Financial Group Inc.	13,000	$35.8K	0.00%
Kovitz Investment Group Partners, LLC	10,125	$27.8K	0.00%
Aire Advisors, LLC	10,040	$27.6K	0.01%
Ritter Daniher Financial Advisory LLC	10,000	$27.5K	0.00%
Kerr Financial Planning Corp	10,000	$24.8K	0.03%
Wall Street Access Asset Management, LLC	5,424	$14.9K	0.00%
Tower Research Capital LLC (TRC)	4,205	$11.6K	0.00%
CWM, LLC	1,500	$4.00K	0.00%
IFP Advisors, Inc	41	$113	0.00%
Northwestern Mutual Wealth Management Co	10	$28	0.00%

Sold out (24)

Institutions that held Denison Mines Corp. at the end of Q2 2025 and filed for Q3 2025 without it.

Institutions that sold out of DNN in Q3 2025
Institution	Shares, Q2 2025	Value, Q2 2025
Segra Capital Management, LLC	33,901,398	$61.7M
Balyasny Asset Management LLC	4,394,528	$8.00M
BW Gestao de Investimentos Ltda.	2,930,000	$5.33M
UBS Asset Management Americas Inc	1,390,082	$2.53M
Arosa Capital Management LP	1,285,200	$2.34M
Formula Growth Ltd	868,725	$1.58M
ExodusPoint Capital Management, LP	706,100	$1.28M
VGI Partners Ltd	493,445	$898.1K
Mangrove Partners	465,275	$846.8K
Group One Trading, L.P.	373,222	$679.3K
Winnow Wealth LLC	340,913	$620.5K
Tejara Capital Ltd	338,286	$615.7K
Strategic Financial Concepts, LLC	71,772	$131.3K
Gotham Asset Management, LLC	63,437	$115.5K
Crown Wealth Group, LLC	42,712	$77.7K
Canton Hathaway, LLC	41,000	$75.0K
Invesco Ltd.	26,631	$48.5K
National Asset Management, Inc.	21,000	$38.2K
PEAK6 LLC	20,075	$36.5K
HFG Wealth Management, LLC	25,000	$32.5K
Colony Group, LLC	14,800	$26.9K
Triton Wealth Management, PLLC	10,000	$22.7K
Total Investment Management Inc	1,221	$2.22K
CIBC Private Wealth Group, LLC	1,000	$1.82K

Not filed for Q3 2025 yet (3)

Institutions that held Denison Mines Corp. at the end of Q2 2025 and haven't filed a 13F for Q3 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding DNN in Q2 2025 that haven't filed for Q3 2025
Institution	Shares, Q2 2025	Value, Q2 2025
Avantax Advisory Services, Inc.	27,400	$49.9K
Total Wealth Planning & Management, Inc.	24,100	$43.9K
Hickory Asset Management, Inc.	10,000	$18.2K