Segra Capital Management, LLC

In its 13F for Q3 2025 (holdings as of September 30, 2025, filed November 14, 2025), Segra Capital Management, LLC reported 4 stock positions worth $86.5 million. Its top holding was Ur-Energy (URG) at 54.4% of the portfolio, followed by Nexgen Energy (NXE, 33.8%) and Amentum (AMTM, 11.6%). Compared with Q2 2025, it opened 1 new position, sold out of 5 and reduced 2. The biggest buy was a new position in Amentum (AMTM) and the biggest sale an exit from Denison Mines (DNN).

Most Recent 13F
Q2 2026
Location
PALM BEACH, FL
CIK
0001607512
Portfolio Value
$86.5M (Q3 2025)
SEC Filing
0001607512-25-000011 ↗ filed Nov 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 Q4 2024 Q1 2025: $204.1M Q1 2025 Q2 2025: $310.0M Q2 2025 Q3 2025: $86.5M $86.5M Q3 2025 Q4 2025: $46.8M Q4 2025 Q1 2026: $128.4M Q1 2026 Q2 2026: $435.0M Q2 2026

Holdings 4 stocks · $86.5M
URG Ur-Energy Inc. 54.38% 26,262,623 $47.0M Reduce -20.2%
NXE Nexgen Energy Ltd. 33.85% 3,269,388 $29.3M Reduce -76.8%
AMTM Amentum Holdings Inc. 11.55% 417,025 $10.0M New
VST Vistra Corp. 0.23% 1,000 $196K No change

Options reported separately and not counted above: GLOBAL X FDS puts ($132.1M), URANIUM ENERGY CORP puts ($28.9M).

Portfolio Sells Q2 2025 → Q3 2025
DNN Denison Mines Corp. Sold out 0.00% −19.90
CCJ Cameco Corp. Sold out 0.00% −15.21
BWXT BWX Technologies Inc. Sold out 0.00% −11.62
UEC Uranium Energy Corp. Sold out 0.00% −7.00
EU Encore Energy Corp. Sold out 0.00% −3.48
NXE Nexgen Energy Ltd. Reduce -76.8% 33.85% +2.26
URG Ur-Energy Inc. Reduce -20.2% 54.38% +43.22

Portfolio Buys Q2 2025 → Q3 2025
AMTM Amentum Holdings Inc. New 11.55% +11.55

Options Activity Q2 2025 → Q3 2025
GLOBAL X FDS put New 2,770,300 $132.1M
CAMECO CORP call Sold out 700,000 $52.0Mbefore exit
URANIUM ENERGY CORP put New 2,164,800 $28.9M

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