Yorktown Energy Partners IX, L.P. — 13F Holdings & Portfolio
CIK 1503466 · latest 13F-HR filed 2026-05-15
Yorktown Energy Partners IX, L.P. manages $57.5M in 13F-reported U.S. long-equity assets across 3 reported positions as of its 2026-03-31 13F-HR filing. Its largest disclosed positions are METC (65.48%), METCB (21.87%), EPSN (12.64%). Quarter over quarter (versus its 2025-12-31 filing) the fund opened 0 new positions, exited 0, added to 1, and trimmed 2.
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.
$57.5M
Long-equity book
3
Distinct positions
2026-03-31
Filed 2026-05-15
+0 / −0 / ↑1 / ↓2
vs 2025-12-31
| Name | Title / Status | Ownership | Type |
|---|
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 |
|---|---|---|---|---|
| 2026-03-31 | 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 |