SEGRA CAPITAL MANAGEMENT, LLC — 13F Holdings & Portfolio

CIK 1607512 · latest 13F-HR filed 2026-08-12

SEGRA CAPITAL MANAGEMENT, LLC manages $495.6M in 13F-reported U.S. long-equity assets across 10 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are XE (53.62%), VST (9.47%), AMTM (8.50%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 3 new positions, exited 2, added to 2, 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.

Filer Information
Address
250 ROYAL PALM WAY
SUITE 304
PALM BEACH, FL 33480
Phone
(561) 890-9127
Filing Manager
SEGRA CAPITAL MANAGEMENT, LLC
PALM BEACH, FL
Signatory
Mike Fabiano
COO/CFO/CCO
Loading holdings…
AUM

$495.6M

Long-equity book

Holdings

10

Distinct positions

Period

2026-06-30

Filed 2026-08-12

Q/Q Activity

+3 / −2 / ↑2 / ↓1

vs 2026-03-31

Firm Profile & Key People
Name Title / Status Ownership Type

Top Adds (vs prior quarter)

  • VISTRA CORP$22.1M +89.3%
  • TERRA INNOVATUM GLOBAL NV$1.1M +9.5%
Show all 2

Top Trims

  • CONSTELLATION ENERGY CORP-$2.5M -7.4%
Show all 1

New Positions

  • X-ENERGY INC$265.8M
  • NRG ENERGY INC$19.0M
  • FLOWSERVE CORP$16.5M
Show all 3

Exited Positions

  • GE VERNOVA INC$13.1M
  • UR-ENERGY INC$2.4M
Show all 2
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 X-ENERGY INC XE 98386P102 $265.8M 53.62% 14,475,734 SH
2 VISTRA CORP VST 92840M102 $46.9M 9.47% 295,956 SH
3 AMENTUM HOLDINGS INC AMTM 023939101 $42.1M 8.50% 2,037,890 SH
4 CONSTELLATION ENERGY CORP CEG 21037T109 $31.8M 6.42% 128,040 SH
5 DUKE ENERGY CORP NEW Put DUK 26441C204 $31.6M 6.38% 250,000 SH
6 CONSTELLATION ENERGY CORP Call CEG 21037T109 $24.8M 5.01% 100,000 SH
7 NRG ENERGY INC NRG 629377508 $19.0M 3.83% 130,000 SH
8 FLOWSERVE CORP FLS 34354P105 $16.5M 3.33% 222,600 SH
9 TERRA INNOVATUM GLOBAL NV NKLR N85083108 $12.9M 2.60% 2,617,152 SH
10 AMENTUM HOLDINGS INC Call AMTM 023939101 $4.1M 0.83% 200,000 SH
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-08-12 $495.6M 10 0001607512-26-000007
2026-03-31 2026-05-07 $248.0M 12 0001607512-26-000004
2025-12-31 2026-02-17 $141.1M 6 0001607512-26-000002