Yorktown Energy Partners X, L.P.
In its 13F for Q2 2026 (holdings as of June 30, 2026, filed August 14, 2026), Yorktown Energy Partners X, L.P. reported 3 stock positions worth $47.6 million. Its top holding was Ramaco Resources Class A (METC) at 54.8% of the portfolio, followed by Epsilon Energy (EPSN, 30.2%) and Ramaco Resources Class B (METCB, 15.0%). Compared with Q1 2026, it sold out of 1 and added to 1. The biggest buy was Ramaco Resources Class B (METCB, shares +1%) and the biggest sale an exit from Riley Exploration Permian (REPX).
- Most Recent 13F
- Q2 2026
- Location
- New York, NY
- CIK
- 0001577919
- Portfolio Value
- $47.6M (Q2 2026)
- SEC Filing
- 0001140361-26-033067 ↗ filed Aug 14, 2026
Holdings Value
Holdings 3 stocks · $47.6M
Portfolio Sells Q1 2026 → Q2 2026
| REPX Riley Exploration Permian Inc. | Sold out | 0.00% | −20.50 |
Portfolio Buys Q1 2026 → Q2 2026
| METCB Ramaco Resources Inc. Class B | Add +1.2% | 15.03% | +2.90 |
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 3 | $47.6M | METC, EPSN, METCB |
| Q1 2026 | 4 | $69.5M | METC, EPSN, REPX, METCB |
| Q4 2025 | 4 | $77.4M | METC, EPSN, REPX, METCB |
| Q3 2025 | 3 | $107.4M | METC, METCB, REPX |
| Q2 2025 | 3 | $55.3M | METC, REPX, METCB |
| Q1 2025 | 3 | $40.3M | METC, REPX, METCB |
| Q4 2024 | 3 | $52.3M | METC, REPX, METCB |
| Q3 2024 | 3 | $55.4M | METC, REPX, METCB |
| Q2 2024 | 3 | $58.6M | METC, REPX, METCB |
| Q1 2024 | 4 | $85.5M | METC, REPX, STR, METCB |