ECP ControlCo, LLC

Overview

• HeadquartersDE¹

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Corporate structure

ECP ControlCo, LLC sits at the top of its group. 8 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 (7 companies). Each entity in the chart links to its source.

Filings

37 filings to the SEC since October 2021: 37 other. The latest 20:

1. Aug 31, 2026N-PX EDGAR
2. Aug 14, 202613F-HR EDGAR
3. May 15, 202613F-HR EDGAR
4. Feb 17, 202613F-HR/A EDGAR
5. Feb 17, 202613F-HR/A EDGAR
6. Feb 17, 202613F-HR/A EDGAR
7. Feb 17, 202613F-HR/A EDGAR
8. Feb 17, 202613F-HR/A EDGAR
9. Feb 17, 202613F-HR/A EDGAR
10. Feb 17, 202613F-HR EDGAR
11. Nov 14, 202513F-HR EDGAR
12. Aug 29, 2025N-PX EDGAR
13. Aug 14, 202513F-HR EDGAR
14. May 15, 202513F-HR EDGAR
15. Feb 14, 202513F-HR EDGAR
16. Nov 14, 202413F-HR EDGAR
17. Aug 30, 2024N-PX EDGAR
18. Aug 14, 202413F-HR EDGAR
19. May 15, 202413F-HR EDGAR
20. Feb 14, 202413F-HR EDGAR

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

Stakes it holds

ECP ControlCo, LLC has told the SEC it owns more than 5% of 7 companies, latest first (Schedules 13D and 13G).

• Constellation EnergySCHEDULE 13G/A Jan 14, 2026 to Aug 7, 2026²
• Talen EnergySCHEDULE 13G Jun 23, 2026³
• SHENANDOAH TELECOMMUNICATIONS CO/VA/SCHEDULE 13D/A Apr 8, 2024 to Aug 12, 2025⁴
• Sunnova Energy International Inc.SCHEDULE 13G/A Feb 10, 2022 to Feb 10, 2025⁵
• Custom Truck One Source, Inc.SCHEDULE 13D/A Dec 29, 2021 to Feb 3, 2025⁶
• Sunlight Financial Holdings Inc.SC 13G Feb 10, 2023⁷
• Fast Radius, Inc.SC 13D Mar 10, 2022⁸