ECP ControlCo, LLC
In its 13F for Q1 2024 (holdings as of March 31, 2024, filed May 15, 2024), ECP ControlCo, LLC reported 7 stock positions worth $362.7 million. Its top holding was Custom Truck One Source (CTOS) at 41.3% of the portfolio, followed by P G & E (PCG, 32.9%) and Shenandoah Telecommunication (SHEN, 11.7%). Compared with Q4 2023, it sold out of 1. The biggest sale was an exit from Rex American Resources (REX).
- Most Recent 13F
- Q2 2026
- Location
- SUMMIT, NJ
- CIK
- 0001707921
- Portfolio Value
- $362.7M (Q1 2024)
- SEC Filing
- 0001104659-24-061547 ↗ filed May 15, 2024
Holdings Value
Holdings 7 stocks · $362.7M
| CTOS Custom Truck One Source Inc. | 41.30% | 25,738,988 | $149.8M | No change |
| PCG P G & E Corp. | 32.92% | 7,124,720 | $119.4M | No change |
| SHEN Shenandoah Telecommunication | 11.74% | 2,452,384 | $42.6M | No change |
| NOVAQ Sunnova Energy International | 11.68% | 6,911,664 | $42.4M | No change |
| CLNE Clean Energy Fuels Corp. | 1.92% | 2,594,759 | $7.0M | No change |
| ALLGF Allego NV | 0.40% | 1,000,000 | $1.4M | No change |
| EVVAQ Enviva LLC | 0.03% | 252,392 | $111K | No change |
Portfolio Sells Q4 2023 → Q1 2024
| REX Rex American Resources Corp. | Sold out | 0.00% | −0.67 |
Portfolio Buys Q4 2023 → Q1 2024
| None this quarter. | |||
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 5 | $4.7B | CEG, TLN, PCG, SHEN, CLNE |
| Q1 2026 | 4 | $6.3B | CEG, PCG, SHEN, CLNE |
| Q4 2025 | 4 | $204.9M | PCG, XIFR, SHEN, CLNE |
| Q3 2025Amended | 4 | $205.2M | PCG, XIFR, SHEN, CLNE |
| Q2 2025Amended | 4 | $178.4M | PCG, SHEN, XIFR, CLNE |
| Q1 2025Amended | 4 | $200.0M | PCG, XIFR, SHEN, CLNE |
| Q4 2024 | 4 | $259.6M | PCG, CTOS, SHEN, CLNE |
| Q3 2024 | 6 | $328.6M | PCG, CTOS, NOVAQ, SHEN, CLNE |
| Q2 2024 | 7 | $323.8M | PCG, CTOS, SHEN, NOVAQ, CLNE |
| Q1 2024 | 7 | $362.7M | CTOS, PCG, SHEN, NOVAQ, CLNE |