Private company

Yorktown Energy Partners IX, L.P.

American company, incorporated in Delaware. Summary from the record

Last updated Oct 21, 2026.

Overview

  • HeadquartersDE1

Corporate structure

Yorktown Energy Partners IX, L.P. sits at the top of its group. 2 entities, 1 country 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 (1 companies). Each entity in the chart links to its source.

Filings

20 filings to the SEC since October 2021: 20 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. Feb 14, 202513F-HR EDGAR
  8. Nov 13, 202413F-HR EDGAR
  9. Aug 13, 202413F-HR EDGAR
  10. May 15, 202413F-HR EDGAR
  11. Feb 14, 202413F-HR EDGAR
  12. Nov 14, 202313F-HR EDGAR
  13. Aug 14, 202313F-HR EDGAR
  14. May 12, 202313F-HR EDGAR
  15. Feb 14, 202313F-HR EDGAR
  16. Nov 14, 202213F-HR EDGAR
  17. Aug 11, 202213F-HR EDGAR
  18. May 16, 202213F-HR EDGAR
  19. Feb 14, 202213F-HR EDGAR
  20. Nov 15, 202113F-HR EDGAR

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

Stakes it holds

Yorktown Energy Partners IX, L.P. has told the SEC it owns more than 5% of 1 company, latest first (Schedules 13D and 13G).

Sources

The numbers on this page point here. Each one links to the record it came from.

  1. 1
  2. 2