# YORKTOWN ENERGY PARTNERS IX, L.P.: Form 13F holdings

An institutional investment manager in NEW YORK, NY. SEC CIK 1503466.

- Quarter ended: 2026-06-30
- Filed: 2026-08-14
- Reported value: $36.1m
- Positions: 3 (3 lines in the filing's table; lines for the same security and option type are added together here)
- Compared with: the 13F for the quarter ended 2026-03-31
- Filing: https://www.sec.gov/Archives/edgar/data/1503466/000114036126033064/

## Holdings

As filed, largest first. Reported value is what the manager stated at the quarter end (Jun 30, 2026), in US dollars; it is filing data, not a price. Weight is the share of the total reported value.

| Issuer | Class | Reported value | Weight | Shares | Put or call | Change on the quarter before |
| --- | --- | ---: | ---: | ---: | --- | --- |
| [Ramaco Resources Inc (METC)](/companies/metc.md) | COM CL A | $19.0m | 52.7% | 1,437,247 |  | Reduced −1,000,000 |
| [Ramaco Resources Inc (METC)](/companies/metc.md) | COM CL B | $10.7m | 29.6% | 1,248,736 |  | Added +14,778 |
| [Epsilon Energy LTD (EPSN)](/companies/epsn.md) | COM | $6.4m | 17.7% | 1,181,124 |  | Unchanged |

Source: SEC EDGAR, Form 13F-HR, accession 0001140361-26-033064. Last ingested by Listed: Oct 22, 2026, 05:26 ET. No prices; not investment advice.