Yorktown Energy Partners IX, L.P. — 13F Holdings & Portfolio
CIK 1503466 · latest 13F-HR filed 2026-08-14
Yorktown Energy Partners IX, L.P. manages $36.1M in 13F-reported U.S. long-equity assets across 3 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are METC (52.70%), METCB (29.59%), EPSN (17.71%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 0 new positions, exited 0, added to 0, and trimmed 3.
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
$36.1M
Long-equity book
3
Distinct positions
2026-06-30
Filed 2026-08-14
+0 / −0 / ↑0 / ↓3
vs 2026-03-31
| Name | Title / Status | Ownership | Type |
|---|
Top Trims
- Ramaco Resources Inc-$18.7M -49.5%
- Ramaco Resources Inc-$1.9M -15.2%
- Epsilon Energy LTD-$885.8K -12.2%
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).
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-06-30 | 2026-08-14 | $36.1M | 3 | 0001140361-26-033064 |
| 2026-03-31 | 2026-05-15 | $57.5M | 3 | 0001140361-26-021705 |
| 2025-12-31 | 2026-02-17 | $75.7M | 3 | 0001140361-26-005795 |
| 2025-09-30 | 2025-11-14 | $123.3M | 2 | 0001140361-25-042324 |