ECP ControlCo, LLC
ECP ControlCo, LLC reported 5 US-listed holdings worth $4.67 billion in its 13F for the quarter ended 30 June 2026, filed 14 August 2026. Its largest: Constellation Energy Corp. (76.4%), Talen Energy Corp. (19.8%) and Pg&E Corp. (2.6%). Against the quarter before, it opened 1 position, added to 0, trimmed 1 and sold out of 0.
Reported holdings$4.67B-26.4% on Q1 2026
Positions5+1 on Q1 2026
The largest ten100.0%of its reported holdings
Latest 13FQ2 2026filed 14 August 2026
OpenedHeldTrimmed
The 5 largest of its 5 positions, each sized by its share of the reported holdings, coloured by the change in shares against Q1 2026.
What the fund reported holding at each quarter's end; hover a bar for the number of positions
What it did on the quarter
Opened 1Held 3Trimmed 1
Its positions against its 13F for the quarter to 31 March 2026; a change under 0.1% of a position counts as held
Opened 1
- Talen Energy Corp. TLN$922.2 million
Trimmed 1
- Constellation Energy Corp. CEG-7.7 million shares · -35%
What it holds
| Company | Shares | Value | Of its book | Change in shares |
|---|---|---|---|---|
| Constellation Energy Corp. CEG | 14,370,227 | $3.57 billion | 76.45% | -7,673,497 |
| Talen Energy Corp. TLN | 2,399,998 | $922.2 million | 19.75% | new |
| Pg&E Corp. PCG | 7,124,720 | $119.8 million | 2.57% | no change |
| Shenandoah Telecommunications Co. SHEN | 3,457,105 | $52.1 million | 1.12% | no change |
| Clean Energy Fuels Corp. CLNE | 2,594,759 | $5.3 million | 0.11% | no change |
Every US-listed position in the fund's 13F for the quarter ended 30 June 2026, by the value it reported.