Yorktown Energy Partners XI, L.P. — 13F Holdings & Portfolio
CIK 1667954 · latest 13F-HR filed 2026-08-14
Yorktown Energy Partners XI, L.P. manages $108.1M in 13F-reported U.S. long-equity assets across 4 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are REPX (39.15%), METC (36.47%), EPSN (14.36%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 0 new positions, exited 0, added to 0, and trimmed 4.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
20TH FLOOR
NEW YORK, NY 10022
$108.1M
Long-equity book
4
Distinct positions
2026-06-30
Filed 2026-08-14
+0 / −0 / ↑0 / ↓4
vs 2026-03-31
| Name | Title / Status | Ownership | Type |
|---|
Top Trims
- Riley Exploration Permian-$22.7M -34.9%
- Ramaco Resources Inc-$6.6M -14.4%
- Epsilon Energy Ltd-$2.2M -12.2%
- Ramaco Resources Inc-$1.9M -15.2%
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | Riley Exploration Permian | REPX | 76665T102 | $42.3M | 39.15% | 1,284,113 | SH |
| 2 | Ramaco Resources Inc | METC | 75134P600 | $39.4M | 36.47% | 2,979,968 | SH |
| 3 | Epsilon Energy Ltd | EPSN | 294375209 | $15.5M | 14.36% | 2,869,560 | SH |
| 4 | Ramaco Resources Inc | METCB | 75134P501 | $10.8M | 10.01% | 1,265,591 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-06-30 | 2026-08-14 | $108.1M | 4 | 0001140361-26-033072 |
| 2026-03-31 | 2026-05-15 | $141.5M | 4 | 0001140361-26-021707 |
| 2025-12-31 | 2026-02-17 | $142.9M | 4 | 0001140361-26-005796 |
| 2025-09-30 | 2025-11-14 | $194.9M | 3 | 0001140361-25-042333 |