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Jim Simons's Denison Mines Corp. (DNN) position

Yes: as of Q1 2026, Jim Simons holds 9.5M shares of DNN worth an amount we cannot price (0.1% of the disclosed portfolio). Last quarter the position was increased by 275.0%. First disclosed Q3 2021.
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Current value
an amount we cannot price
Shares held
9.5M
% of portfolio
0.1%
Quarter-end price
No quarter-end price available

Average buy price is hidden here because at least one covered purchase quarter has no usable local mean price.

DNN price vs Simons's position

Dates
$2.8$3$3.2← Earlier —10 purchases, 4 sells
Average closing price · filing quarter
Price range · filing quarter

Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q1 2026 Added +6.9M +275.0% 9.5M May 14, 2026
Q4 2025 Reduced −10.6M −80.9% 2.5M Feb 12, 2026
Q3 2025 Added +8.0M +155.6% 13.2M Nov 13, 2025
Q2 2025 Reduced −6.9M −57.3% 5.2M Aug 13, 2025
Q1 2025 Added +10.1M +513.5% 12.1M May 14, 2025
Q4 2024 New +2.0M 2.0M Feb 13, 2025
Q1 2024 Reduced −623K −87.4% 89K May 13, 2024
Q4 2023 New +712K 712K Feb 13, 2024
Q1 2023 Added +257K +65.4% 651K May 12, 2023
Q4 2022 New +394K 394K Feb 13, 2023
Q2 2022 Added +469K +46.8% 1.5M Aug 12, 2022
Q1 2022 Reduced −4.6M −82.0% 1.0M May 13, 2022
Q4 2021 Added +1.7M +44.6% 5.6M Feb 11, 2022
Q3 2021 New +3.8M 3.8M Nov 12, 2021
Data through Q1 2026 · filed May 14, 2026
14 grouped rows from 14 quarters

More Simons positions

Common questions

Does Jim Simons own DNN?

Yes. As of Q1 2026, Jim Simons disclosed 9.5M shares of DNN, worth an amount we cannot price. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Jim Simons buy DNN?

Jim Simons first disclosed a DNN position in Q3 2021; every quarterly buy and sell since is in the table above. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

Did Jim Simons sell DNN?

The quarter-by-quarter table above shows each sale and reduction Jim Simons disclosed in DNN. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

How many shares of DNN does Jim Simons own?

Jim Simons disclosed 9.5M shares of DNN as of Q1 2026. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

What price did Jim Simons pay for DNN?

Jim Simons began building the DNN position before our 13F history starts, so an exact average buy price cannot be estimated without understating it. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

How are the estimated trade prices calculated?

13F filings disclose quarter-end holdings, not trade dates or execution prices. These estimates use each covered quarter's average market price; the add average excludes the opening position and quarters without price data. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.