Yorktown Energy Partners XI, L.P.
New York, NY · CIK 1667954 · 13F filing filed 2026-08-14
No investment adviser registration (Form ADV) found for this filer. It may be a parent company whose subsidiaries are the registered advisers, a bank or insurer, or a manager based outside the US.
$108.1m
reported value
-23.6% vs Q1 2026
4positions
100.0%in top 10
0 new
1 added
1 reduced
0 sold out
vs Q1 2026
This report includes the holdings of 2 other managers that share the investment decisions:
- Yorktown XI Associates LLC – reports through this filing
- Yorktown XI Co LP – reports through this filing
Shares in two reports are counted once in each security's totals.
Holdings, Q2 2026
The small lines show how much was held over the last 4 quarters (adjusted for stock splits).
| Security | Value | Change |
|---|---|---|
| RILEY EXPLORATION PERMIAN IN REPX | $42.3m39.15% | Reduced -500.0k |
| RAMACO RES INC METC | $39.4m36.47% | Unchanged |
| EPSILON ENERGY LTD EPSN | $15.5m14.36% | Unchanged |
| RAMACO RES INC METCB | $10.8m10.01% | Added +15.0k |
Stakes above 5%
Companies where this manager has reported owning more than 5% of a class of shares, on Schedule 13D (may seek influence) or 13G (passive): its latest filing for each, from 19 Dec 2024 on.
| Company | Stake |
|---|---|
| ARIS WATER SOLUTIONS INC ARIS · 13G · filed 2025-05-15 | 22.2% |
| EPSILON ENERGY LTD EPSN · 13D · filed 2025-11-25 | 9.6%≈ $15.5m |
| RILEY EXPLORATION PERMIAN IN REPX · 13D · filed 2026-05-28 | 5.9%≈ $47.5m |
| RAMACO RES INC 13D · filed 2026-03-31 | 5.3% |