Quick Takeaways
- ECP ControlCo, LLC has 4 issuer positions tracked on this page.
- Estimated disclosed ownership value: $321,071,982.
- Recent insider filing activity is available below.
- Info
- Portfolio
- Significant Ownership
- Insider Ownership
Insider Trading & Ownership of ECP ControlCo, LLC
- Location
- Summit, NJ
- Summary
- The estimated value of insider holdings of ECP ControlCo, LLC is at least $321,071,982 dollars as of 12 Sep 2025. ECP ControlCo, LLC is the 10%+ Owner of Sunnova Energy International Inc. and owns shares of Sunnova Energy International Inc. stock worth about $194.86M. ECP ControlCo, LLC is the 10%+ Owner of Custom Truck One Source, Inc. and owns shares of Custom Truck One Source, Inc. (CTOS) stock worth about $80.1M. ECP ControlCo, LLC is the 10%+ Owner of SHENANDOAH TELECOMMUNICATIONS CO/VA/ and owns shares of SHENANDOAH TELECOMMUNICATIONS CO/VA/ (SHEN) stock worth about $46.12M.
- Signature
- ECP ControlCo, LLC, By: /s/ Jennifer Gray, General Counsel
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow ECP ControlCo, LLC and return when a new Insider Trading filing changes the record on this page.
This uses the existing product follow flow to surface future filing-backed changes without guessing what they mean.
What Changed
- Largest disclosed position: Sunnova Energy International Inc. ($194,857,222).
- Past-year value change for that position: .
Why This Matters
- This page translates Forms 3/4/5 into a quick ownership context before you inspect each transaction row.
- You can cross-check role, issuer, and filing chronology directly against the SEC source.
Source Evidence
Filed on Form 4
See Original Filing
Insider ownership context is sourced from SEC Forms 3, 4, and 5.
Ownership of ECP ControlCo, LLC
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| NOVA | Sunnova Energy International Inc. | 10%+ Owner | $194,857,222 | 01 Nov 2021 | ||
| CTOS | Custom Truck One Source, Inc. | 10%+ Owner | $80,095,597 | 05 Sep 2024 | ||
| SHEN | SHENANDOAH TELECOMMUNICATIONS CO/VA/ | 10%+ Owner | $46,119,163 | +$13,599,865 | +42% | 10 Sep 2025 |
| FSRD | Fast Radius, Inc. | Director, 10%+ Owner | 04 Feb 2022 |
Insider Transactions Reported by ECP ControlCo, LLC:
| Sym | Company | Class | Transaction | % | Value $ | * Price $ | Shares | Shares After | Date | Ownership |
|---|
* An asterisk sign (*) next to the price indicates that the price is likely invalid.