2026 Q2 Portfolio Activity
In 2026 Q2, Yorktown Energy Partners X, L.P. maintained a portfolio of 4 distinct positions. Conversely, Yorktown Energy Partners X, L.P. completely exited their position in Riley Exploration Permian Inc.
Position History
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Yorktown Energy Partners X, L.P.
New York, NY
Private Equity / Energy Investment Partnership
AUM $48M
Total Positions
4
Quarter
2026 Q2
Top Holding
METC (54.8%)
Top 10 Concentration
100.0%
Turnover Rate
23.4%
Sector HHI
0.18
Items per page:
Showing 1-4 of 4
Yorktown Energy Partners X, L.P. Full Holdings List — 2026 Q2
| Stock | History | Sector / Type | Port % | Prev % | Rank / Prev | Conviction | Change | % Change | Influence | Shares | Mkt Value | Avg Cost | Price Held | 1st Owned | Source | Source Date | Date Reported | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
METC
Ramaco Resource...
|
Basic Materials | 54.76% | 43.82% |
#1
Prev: #1
|
7.0 |
—
|
no change | no change |
P
S
|
1,969,646 | $26,058,411 | 2023 Q2 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
EPSN
Epsilon Energy ...
|
Energy | 30.21% | 23.55% |
#2
Prev: #2
|
6.5 |
—
|
no change | no change |
P
S
|
2,656,705 | $14,372,774 | 2025 Q4 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
METCB
Ramaco Resource...
|
Basic Materials | 15.03% | 12.13% |
#3
1
Prev: #4
|
5.5 |
—
|
9,900 | 1.2% |
P
S
|
836,511 | $7,152,170 | 2023 Q2 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
REPX
Riley Explorati...
|
Energy | 0.00% | 20.50% |
Sold All 😨
(Was: #3) |
0.0 |
—
|
-390,860 | -100.0% |
CLOSED
|
— | $— | 2021 Q3 | 13F Filing | 2026-06-30 | 2026-08-14 |
Showing 1-4 of 4 holdings