Segra Capital Management, LLC

In its 13F for Q4 2024 (holdings as of December 31, 2024, filed February 14, 2025), Segra Capital Management, LLC reported 7 stock positions worth $194.5 million. Its top holding was Nexgen Energy (NXE) at 36.4% of the portfolio, followed by Denison Mines (DNN, 19.5%) and Ur-Energy (URG, 14.9%). Compared with Q3 2024, it opened 1 new position, sold out of 2, added to 3 and reduced 3. The biggest buy was Denison Mines (DNN, shares +15%) and the biggest sale an exit from Constellation Energy (CEG).

Most Recent 13F
Q2 2026
Location
PALM BEACH, FL
CIK
0001607512
Portfolio Value
$194.5M (Q4 2024)
SEC Filing
0001607512-25-000003 ↗ filed Feb 14, 2025

Holdings Value

0$100.0M$200.0M$300.0M$400.0M$500.0M Q1 2024: $130.8M Q1 2024 Q2 2024: $109.1M Q2 2024 Q3 2024: $256.4M Q3 2024 Q4 2024: $194.5M $194.5M Q4 2024 Q1 2025: $204.1M Q1 2025 Q2 2025: $310.0M Q2 2025 Q3 2025: $86.5M Q3 2025 Q4 2025: $46.8M Q4 2025 Q1 2026: $128.4M Q1 2026 Q2 2026: $435.0M Q2 2026

Holdings 7 stocks · $194.5M
NXE Nexgen Energy Ltd. 36.36% 10,713,629 $70.7M Reduce -8.2%
DNN Denison Mines Corp. 19.49% 21,055,721 $37.9M Add +15.3%
URG Ur-Energy Inc. 14.94% 25,273,700 $29.1M Add +20.7%
CCJ Cameco Corp. 14.52% 549,460 $28.2M Reduce -50.5%
BWXT BWX Technologies Inc. 7.14% 124,700 $13.9M Add +19.5%
UEC Uranium Energy Corp. 4.02% 1,168,950 $7.8M Reduce -71.0%
EU Encore Energy Corp. 3.53% 2,011,198 $6.9M New

Options reported separately and not counted above: GLOBAL X FDS calls ($40.6M), CAMECO CORP calls ($25.7M), NEXGEN ENERGY LTD calls ($3.0M).

Portfolio Sells Q3 2024 → Q4 2024
CEG Constellation Energy Sold out 0.00% −6.59
CCJ Cameco Corp. Reduce -50.5% 14.52% −6.16
VST Vistra Corp. Sold out 0.00% −6.04
UEC Uranium Energy Corp. Reduce -71.0% 4.02% −5.70
NXE Nexgen Energy Ltd. Reduce -8.2% 36.36% +6.63

Portfolio Buys Q3 2024 → Q4 2024
DNN Denison Mines Corp. Add +15.3% 19.49% +6.45
URG Ur-Energy Inc. Add +20.7% 14.94% +5.17
EU Encore Energy Corp. New 3.53% +3.53
BWXT BWX Technologies Inc. Add +19.5% 7.14% +2.72

Options Activity Q3 2024 → Q4 2024
GLOBAL X FDS call New 1,514,500 $40.6M
CAMECO CORP call New 499,200 $25.7M
NEXGEN ENERGY LTD call New 450,000 $3.0M

Calls and puts are listed by the shares they cover; their value is not part of the stock holdings above.

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 7$435.0MXE, VST, AMTM, CEG, NRG
Q1 2026 6$128.4MAMTM, CEG, VST, GEV, NKLR
Q4 2025 5$46.8MNKLR, AMTM, VST, NXE, URG
Q3 2025 4$86.5MURG, NXE, AMTM, VST
Q2 2025 8$310.0MNXE, DNN, CCJ, BWXT, URG
Q1 2025 9$204.1MNXE, DNN, BWXT, URG, UEC
Q4 2024 7$194.5MNXE, DNN, URG, CCJ, BWXT
Q3 2024 8$256.4MNXE, CCJ, DNN, URG, UEC
Q2 2024 4$109.1MNXE, URG, DNN, BWXT
Q1 2024 4$130.8MNXE, DNN, URG, CCJ