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YEPX

Yorktown Energy Partners X Portfolio holdings

AUM $69.5M
1-Year Est. Return 143.07%
This Fund
S&P 500
This Quarter Est. Return
-31.92%
1 Year Est. Return
+143.07%
3 Year Est. Return
+149.59%
5 Year Est. Return
+271.25%
10 Year Est. Return
–
AUM
$77.4M
AUM Growth
-$30M
Cap. Flow
+$12.8M
Cap. Flow %
16.54%
Top 10 Hldgs %
100%
Holding
4
New
1
Increased
–
Reduced
–
Closed
–

Top Buys

Rank Stock Value
1
EPSN icon
Epsilon Energy
EPSN
+$12.8M

Top Sells

No sells this quarter

Sector Composition

Rank Sector Weight
1 Materials 70.75%
2 Energy 29.25%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
METC icon
1
Ramaco Resources Class A
METC
$599M
$45.1M 58.19%
2,502,930
– –
EPSN icon
2
Epsilon Energy
EPSN
$169M
$12.3M 15.92%
+2,656,705
New +$12.8M
REPX icon
3
Riley Exploration Permian
REPX
$744M
$10.3M 13.33%
390,860
– –
METCB icon
4
Ramaco Resources Class B
METCB
$425M
$9.73M 12.56%
849,752
– –

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HB
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Yorktown Energy Partners X's Q4 2025 Portfolio in Review

As of Q4 2025, Yorktown Energy Partners X held 4 positions worth $77.4M, down 28% from $107M the previous quarter. Its ten largest holdings account for 100% of the portfolio.

Yorktown Energy Partners X deployed $12.8M of net new capital in Q4 2025, opening 1 new position. Its largest new stake was Epsilon Energy: 2,656,705 shares worth $12.3M.

By sector, the portfolio is most concentrated in Materials at 71% of assets, down from 90% a quarter earlier, followed by Energy.

  • Yorktown Energy Partners X's largest Q4 2025 buy was Epsilon Energy: 2,656,705 shares worth $12.3M.
  • Yorktown Energy Partners X's ten largest holdings make up 100% of its $77.4M portfolio in Q4 2025.
  • Yorktown Energy Partners X opened 1 new position and closed 0 in Q4 2025.
  • Yorktown Energy Partners X's portfolio value fell 28% quarter-over-quarter to $77.4M.

Based on Yorktown Energy Partners X's 13F filing for Q4 2025, filed 17 Feb 2026.