Yorktown Energy Partners XI, L.P.

Overview

• HeadquartersDE¹

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Corporate structure

Yorktown Energy Partners XI, L.P. sits at the top of its group. 5 entities, 2 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

Built from major holders from Schedules 13D and 13G; stakes of 5% or more it reported on Schedules 13D and 13G (4 companies). Each entity in the chart links to its source.

Filings

21 filings to the SEC since October 2021: 21 other. The latest 20:

1. Aug 14, 202613F-HR EDGAR
2. May 15, 202613F-HR EDGAR
3. Feb 17, 202613F-HR EDGAR
4. Nov 14, 202513F-HR EDGAR
5. Aug 14, 202513F-HR EDGAR
6. May 15, 202513F-HR EDGAR
7. Mar 18, 2025144 EDGAR
8. Feb 14, 202513F-HR EDGAR
9. Nov 13, 202413F-HR EDGAR
10. Aug 13, 202413F-HR EDGAR
11. May 15, 202413F-HR EDGAR
12. Feb 14, 202413F-HR EDGAR
13. Nov 14, 202313F-HR EDGAR
14. Aug 14, 202313F-HR EDGAR
15. May 12, 202313F-HR EDGAR
16. Feb 14, 202313F-HR EDGAR
17. Nov 14, 202213F-HR EDGAR
18. Aug 11, 202213F-HR EDGAR
19. May 16, 202213F-HR EDGAR
20. Feb 14, 202213F-HR EDGAR

Every filing from the last five years, summarized. The full record is on SEC EDGAR.

Stakes it holds

Yorktown Energy Partners XI, L.P. has told the SEC it owns more than 5% of 4 companies, latest first (Schedules 13D and 13G).

• Riley Exploration Permian, Inc.SCHEDULE 13D/A May 28, 2026²
• Ramaco Resources, Inc.SCHEDULE 13D/A Nov 21, 2023 to Mar 31, 2026³
• Epsilon Energy Ltd.SCHEDULE 13D Nov 25, 2025⁴
• Aris Water Solutions, Inc.SCHEDULE 13G/A Feb 15, 2022 to May 15, 2025⁵