Filed: 5/15/2026ACC: 0001140361-26-021709
📋 What this filing means
YORKTOWN ENERGY PARTNERS X, L.P. filed this quarterly 13F‑HR report disclosing 4 equity positions with a total reported market value of $69.49M. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
4
Positions
$69.49M
Total AUM (reported)
5.84M
Total Shares
Allocation by class
COM$30.61M44.0%
COM CL A$30.45M43.8%
COM CL B$8.43M12.1%
Portfolio Concentration
Top 3$61.06M87.9%
4–10$8.43M12.1%
Top 3 weight
87.9%
Top 10 weight
100.0%
Voting Authority Distribution
Total shares with voting rights: 5.84M
Sole
Full voting authority
5.84M
shares
% of voting shares100.0%
Shared
Joint voting authority
0.00
shares
% of voting shares0.0%
None
No voting authority
0.00
shares
% of voting shares0.0%
Investment Discretion (by position count)
Sole0
Shared0
Other4
Dominant voting typeSole · 100.0% of voting shares
Institutional Holdings4
Rows:
Ramaco Resources Inc
DFNDShares1.97M
TypeSH
Market value$30.45M
43.82%
Sole
1.97M
Shared
0.00
None
0.00
Epsilon Energy Ltd
DFNDShares2.66M
TypeSH
Market value$16.37M
23.55%
Sole
2.66M
Shared
0.00
None
0.00
Riley Exploration Permian Inc
DFNDShares390.86K
TypeSH
Market value$14.25M
20.50%
Sole
390.86K
Shared
0.00
None
0.00
Ramaco Resources Inc
DFNDShares826.61K
TypeSH
Market value$8.43M
12.13%
Sole
826.61K
Shared
0.00
None
0.00
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
Ramaco Resources IncDFND | COM CL A | 1.97M | SH | $30.45M 43.82% | 1.97M | 0.00 | 0.00 |
Epsilon Energy LtdDFND | COM | 2.66M | SH | $16.37M 23.55% | 2.66M | 0.00 | 0.00 |
Riley Exploration Permian IncDFND | COM | 390.86K | SH | $14.25M 20.50% | 390.86K | 0.00 | 0.00 |
Ramaco Resources IncDFND | COM CL B | 826.61K | SH | $8.43M 12.13% | 826.61K | 0.00 | 0.00 |