Yorktown Energy Partners X, L.P.
In its 13F for Q3 2025 (holdings as of September 30, 2025, filed November 14, 2025), Yorktown Energy Partners X, L.P. reported 3 stock positions worth $107.4 million. Its top holding was Ramaco Resources Class A (METC) at 77.3% of the portfolio, followed by Ramaco Resources Class B (METCB, 12.8%) and Riley Exploration Permian (REPX, 9.9%). Compared with Q2 2025, it added to 1 and reduced 1. The biggest buy was Ramaco Resources Class B (METCB, shares +1%) and the biggest sale Ramaco Resources Class A (METC, shares −15%).
- Most Recent 13F
- Q2 2026
- Location
- New York, NY
- CIK
- 0001577919
- Portfolio Value
- $107.4M (Q3 2025)
- SEC Filing
- 0001140361-25-042330 ↗ filed Nov 14, 2025
Holdings Value
Holdings 3 stocks · $107.4M
Portfolio Sells Q2 2025 → Q3 2025
| METC Ramaco Resources Inc. Class A | Reduce -14.6% | 77.33% | +7.78 |
Portfolio Buys Q2 2025 → Q3 2025
| METCB Ramaco Resources Inc. Class B | Add +1.2% | 12.80% | +0.88 |
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 |