Simplex Trading
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Simplex Trading’s Denison Mines DNN Stock Holding History

Simplex Trading’s Portfolio DNN Stock Details DNN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$4.28M Sell
1,211,800
-868,900
-42% -$3.27M ﹤0.01% 1208
2025
Q4 		$5.53M Buy
2,080,700
+936,200
+82% +$2.55M ﹤0.01% 1204
2025
Q3 		$3.15M Sell
1,144,500
-48,300
-4% -$107K ﹤0.01% 1884
2025
Q2 		$2.17M Sell
1,192,800
-10,600
-0.9% -$16.1K ﹤0.01% 2025
2025
Q1 		$1.56M Buy
1,203,400
+238,900
+25% +$399K ﹤0.01% 2264
2024
Q4 		$1.74M Buy
964,500
+526,700
+120% +$1.11M ﹤0.01% 2323
2024
Q3 		$801K Sell
437,800
-310,200
-41% -$545K ﹤0.01% 3127
2024
Q2 		$1.49M Buy
748,000
+419,400
+128% +$890K ﹤0.01% 2493
2024
Q1 		$640K Sell
328,600
-36,900
-10% -$70K ﹤0.01% 3600
2023
Q4 		$646K Buy
365,500
+80,700
+28% +$135K ﹤0.01% 3435
2023
Q3 		$469K Buy
284,800
+43,700
+18% +$60.5K ﹤0.01% 3482
2023
Q2 		$301K Buy
241,100
+7,300
+3% +$8.11K ﹤0.01% 3842
2023
Q1 		$254K Sell
233,800
-882,300
-79% -$1.09M ﹤0.01% 4033
2022
Q4 		$1.28M Sell
1,116,100
-330,300
-23% -$391K ﹤0.01% 2238
2022
Q3 		$1.72M Sell
1,446,400
-325,800
-18% -$386K ﹤0.01% 2088
2022
Q2 		$1.72M Buy
1,772,200
+314,600
+22% +$404K ﹤0.01% 2028
2022
Q1 		$2.33M Buy
1,457,600
+252,200
+21% +$356K ﹤0.01% 1948
2021
Q4 		$1.65M Buy
1,205,400
+743,500
+161% +$1.22M ﹤0.01% 2236
2021
Q3 		$563K Sell
461,900
-30,600
-6% -$37.1K ﹤0.01% 3903
2021
Q2 		$586K Buy
492,500
+488,581
+12,467% +$586K ﹤0.01% 3903
2021
Q1 		$427K Buy
3,919
+3,485
+803% +$3.36K ﹤0.01% 3600
2020
Q4 		$28K Buy
+434
New +$186 ﹤0.01% 6712

Other funds holding DNN

VanEck Associates
VanEck Associates New York $133B AUM 72.99% 1-Year Est. Return
Mirae Asset Global ETFs Holdings
Mirae Asset Global ETFs Holdings Causeway Bay, Hong Kong $73.7B AUM 53.56% 1-Year Est. Return
AA
ALPS Advisors Denver, Colorado $21.3B AUM 21.71% 1-Year Est. Return
HRCM
Hood River Capital Management Palm Beach Gardens, Florida $9.98B AUM 145.42% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Jane Street
Jane Street New York $777B AUM 61.18% 1-Year Est. Return

Simplex Trading's DNN Position: Q1 2026 in Review

Simplex Trading opened a new position in Denison Mines (DNN) in Q1 2026: 8,882 shares worth $31.4K. The stake represents ﹤0.01% of the portfolio and ranks #6335 among its holdings. This is a return to the name: Simplex Trading previously reported a position in DNN as recently as Q3 2025.

Simplex Trading first reported a position in DNN in Q1 2015 and has held it in 26 quarters since. The position peaked at $1.1M in Q3 2024. 295 funds tracked by Wall St. Rank hold DNN as of Q1 2026.

  • Simplex Trading held 8,882 shares of Denison Mines worth $31.4K as of Q1 2026.
  • Denison Mines was a new Simplex Trading position in Q1 2026.
  • Denison Mines made up ﹤0.01% of Simplex Trading's portfolio in Q1 2026, its #6335 holding.
  • Simplex Trading first reported a position in Denison Mines in Q1 2015 and has held it in 26 quarters since.
  • Simplex Trading's Denison Mines position peaked at $1.1M in Q3 2024.
  • 295 funds tracked by Wall St. Rank held Denison Mines as of Q1 2026.

Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.