SEGRA CAPITAL MANAGEMENT, LLC — 13F Holdings & Portfolio

CIK 1607512 · latest 13F-HR filed 2026-05-07

SEGRA CAPITAL MANAGEMENT, LLC manages $248.0M in 13F-reported U.S. long-equity assets across 12 reported positions as of its 2026-03-31 13F-HR filing. Its largest disclosed positions are AMTM (16.96%), CEG (14.64%), CEG (13.85%). Quarter over quarter (versus its 2025-12-31 filing) the fund opened 2 new positions, exited 1, added to 3, and trimmed 1.

AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.

Loading holdings…
AUM

$248.0M

Long-equity book

Holdings

12

Distinct positions

Period

2026-03-31

Filed 2026-05-07

Q/Q Activity

+2 / −1 / ↑3 / ↓1

vs 2025-12-31

Firm Profile & Key People
Name Title / Status Ownership Type

Top Adds (vs prior quarter)

  • AMENTUM HOLDINGS INC$24.5M +139.8%
  • VISTRA CORP$15.8M +174.4%
  • UR-ENERGY INC$2.2M +1377.1%
Show all 3

Top Trims

  • TERRA INNOVATUM GLOBAL NV-$6.7M -36.2%
Show all 1

New Positions

  • CONSTELLATION ENERGY CORP$34.3M
  • GE VERNOVA INC$13.1M
Show all 2

Exited Positions

  • NEXGEN ENERGY LTD$1.6M
Show all 1
All Holdings

Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).

# Issuer Symbol CUSIP Value Weight Shares Type
1 AMENTUM HOLDINGS INC AMTM 023939101 $42.1M 16.96% 1,612,726 SH
2 CONSTELLATION ENERGY CORP Call CEG 21037T109 $36.3M 14.64% 130,000 SH
3 CONSTELLATION ENERGY CORP CEG 21037T109 $34.3M 13.85% 123,000 SH
4 VISTRA CORP Call VST 92840M102 $30.1M 12.12% 200,000 SH
5 VISTRA CORP VST 92840M102 $24.8M 10.00% 165,000 SH
6 NEXGEN ENERGY LTD Put NXE 65340P106 $23.2M 9.36% 2,000,000 SH
7 GE VERNOVA INC Put GEV 36828A101 $21.8M 8.80% 25,000 SH
8 GE VERNOVA INC GEV 36828A101 $13.1M 5.28% 15,000 SH
9 TERRA INNOVATUM GLOBAL NV NKLR N85083108 $11.8M 4.74% 2,534,340 SH
10 AMENTUM HOLDINGS INC Call AMTM 023939101 $5.2M 2.10% 200,000 SH
11 FERMI INC Call FRMI 314911108 $2.9M 1.18% 500,000 SH
12 UR-ENERGY INC URG 91688R108 $2.4M 0.96% 1,599,286 SH
Filing History
Period Filed AUM Holdings Accession
2026-03-31 2026-05-07 $248.0M 12 0001607512-26-000004
2025-12-31 2026-02-17 $141.1M 6 0001607512-26-000002