Yorktown Energy Partners X, L.P. 13F holdings
Yorktown Energy Partners X, L.P. reported 2 positions with a total reported value of $47.6M as of 2026-06-30, in its 13F for Q2 2026, filed 2026-08-14. Top holdings by reported value: METC Ramaco Resources Inc (69.8%), EPSN Epsilon Energy Ltd (30.2%). Against 2026-03-31 it opened 0 new positions and exited 1. Next 13F due by 2026-11-14, the legal deadline 45 days after the quarter ending 2026-09-30.
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Top holdings
2 largest of 2 positions · reported value as of 2026-06-30
| Holding | Shares | Reported value | % of portfolio |
|---|---|---|---|
| METC Ramaco Resources Inc | 2,806,157 | $33.2M | 69.8% |
| EPSN Epsilon Energy Ltd | 2,656,705 | $14.4M | 30.2% |
SEC FORM 13F · Q2 2026 · VALUES AS REPORTED, NOT PRICES
New positions this quarter
Held at 2026-06-30, not at 2026-03-31 · 0 in all · reported value as of 2026-06-30
No new positions.
Sold out
Held at 2026-03-31, gone by 2026-06-30 · 1 in all · reported value as of 2026-03-31
| Holding | Shares 2026-03-31 | Reported value | % of portfolio then |
|---|---|---|---|
| REPX Riley Exploration Permian Inc | 390,860 | $14.2M | 20.5% |
Biggest increases and decreases
Positions held at both quarter ends, by change in shares · reported value as of 2026-06-30
Increases
| Holding | Shares 2026-03-31 | Shares 2026-06-30 | Change | Reported value |
|---|---|---|---|---|
| METC Ramaco Resources Inc | 2,796,257 | 2,806,157 | +0.4% | $33.2M |
Decreases
No position was decreased.
CIK 1577919 · 13F FILINGS ON EDGAR · INFORMATIONAL ONLY
