Yorktown Energy Partners XI, L.P. 13F holdings
Yorktown Energy Partners XI, L.P. reported 3 positions with a total reported value of $108.1M as of 2026-06-30, in its 13F for Q2 2026, filed 2026-08-14. Top holdings by reported value: METC Ramaco Resources Inc (46.5%), REPX Riley Exploration Permian (39.2%), EPSN Epsilon Energy Ltd (14.4%). Against 2026-03-31 it opened 0 new positions and exited 0. 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
3 largest of 3 positions · reported value as of 2026-06-30
| Holding | Shares | Reported value | % of portfolio |
|---|---|---|---|
| METC Ramaco Resources Inc | 4,245,559 | $50.2M | 46.5% |
| REPX Riley Exploration Permian | 1,284,113 | $42.3M | 39.2% |
| EPSN Epsilon Energy Ltd | 2,869,560 | $15.5M | 14.4% |
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 · 0 in all · reported value as of 2026-03-31
No positions were sold out.
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 | 4,230,581 | 4,245,559 | +0.4% | $50.2M |
Decreases
| Holding | Shares 2026-03-31 | Shares 2026-06-30 | Change | Reported value |
|---|---|---|---|---|
| REPX Riley Exploration Permian | 1,784,113 | 1,284,113 | -28.0% | $42.3M |
CIK 1667954 · 13F FILINGS ON EDGAR · INFORMATIONAL ONLY
