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YEPI

Yorktown Energy Partners IX Portfolio holdings

AUM $57.5M
1-Year Est. Return 108.66%
This Fund
S&P 500
This Quarter Est. Return
-39.86%
1 Year Est. Return
+108.66%
3 Year Est. Return
+96.4%
5 Year Est. Return
+297.52%
10 Year Est. Return
–
AUM
$75.7M
AUM Growth
-$47.6M
Cap. Flow
+$5.69M
Cap. Flow %
7.51%
Top 10 Hldgs %
100%
Holding
3
New
1
Increased
–
Reduced
1
Closed
–

Top Buys

Rank Stock Value
1
EPSN icon
Epsilon Energy
EPSN
+$5.69M

Top Sells

Rank Stock Value
1
METCB icon
Ramaco Resources Class B
METCB
+$6.91K

Sector Composition

Rank Sector Weight
1 Materials 92.76%
2 Energy 7.24%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
METC icon
1
Ramaco Resources Class A
METC
$599M
$55.7M 73.6%
3,097,134
– –
METCB icon
2
Ramaco Resources Class B
METCB
$425M
$14.5M 19.16%
1,268,002
-505
-0% -$6.91K
EPSN icon
3
Epsilon Energy
EPSN
$169M
$5.48M 7.24%
+1,181,124
New +$5.69M

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Yorktown Energy Partners IX's Q4 2025 Portfolio in Review

As of Q4 2025, Yorktown Energy Partners IX held 3 positions worth $75.7M, down 39% from $123M the previous quarter. Its ten largest holdings account for 100% of the portfolio.

Yorktown Energy Partners IX deployed $5.69M of net new capital in Q4 2025, opening 1 new position. Its largest new stake was Epsilon Energy: 1,181,124 shares worth $5.48M.

By sector, the portfolio is most concentrated in Materials at 93% of assets, down from 100% a quarter earlier, followed by Energy.

On the sell side, the largest reduction was Ramaco Resources Class B, an estimated $6.91K trimmed.

  • Yorktown Energy Partners IX's largest Q4 2025 buy was Epsilon Energy: 1,181,124 shares worth $5.48M.
  • Yorktown Energy Partners IX's biggest Q4 2025 reduction was Ramaco Resources Class B, cutting an estimated $6.91K.
  • Yorktown Energy Partners IX's ten largest holdings make up 100% of its $75.7M portfolio in Q4 2025.
  • Yorktown Energy Partners IX opened 1 new position and closed 0 in Q4 2025.
  • Yorktown Energy Partners IX's portfolio value fell 39% quarter-over-quarter to $75.7M.

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