ECP ControlCo, LLC
CIK: 1707921
Increased
0
Exit Positions
0
Holdings (5)
Q2 2026 13F, quarter ended Jun 30, 2026, filed Aug 14, 2026
- CEG
CONSTELLATION ENERGY CORP
$3.57B
14.37M sh76.45%-34.8% - TLN
TALEN ENERGY CORP
$922.22M
2.40M sh19.75%New - PCG
PG&E CORP
$119.84M
7.12M sh2.57%+0.0% - SHEN
SHENANDOAH TELECOMMUNICATION
$52.13M
3.46M sh1.12%+0.0% - CLNE
CLEAN ENERGY FUELS CORP
$5.32M
2.59M sh0.11%+0.0%
| Security | Shares | Value | Change | Weight | Period |
|---|---|---|---|---|---|
 CEG CONSTELLATION ENERGY CORP | 14.37M | $3.57B | -34.8% | 76.45% | Q2 2026 |
 TLN TALEN ENERGY CORP | 2.40M | $922.22M | New | 19.75% | Q2 2026 |
 PCG PG&E CORP | 7.12M | $119.84M | +0.0% | 2.57% | Q2 2026 |
 SHEN SHENANDOAH TELECOMMUNICATION | 3.46M | $52.13M | +0.0% | 1.12% | Q2 2026 |
 CLNE CLEAN ENERGY FUELS CORP | 2.59M | $5.32M | +0.0% | 0.11% | Q2 2026 |
1-5 of 5 holdings
Sector Allocation
SEC Filings
| Form | Description | Filed |
|---|---|---|
About ECP ControlCo, LLC
ECP ControlCo, LLC is an Investment Adviser that reports its US-listed stock and option positions to the SEC on Form 13F (CIK 1707921). Signal8 holds 21 13F filings from it. Its SEC filings list Delaware as its state of incorporation.
Its most recent 13F holdings report covers Q2 2026 (the quarter ended Jun 30, 2026) and was filed on Aug 14, 2026. That report lists 5 securities, not counting options, up from 4 in Q1 2026.
Its five largest reported positions, in order, are CONSTELLATION ENERGY CORP (CEG), TALEN ENERGY CORP (TLN), PG&E CORP (PCG), SHENANDOAH TELECOMMUNICATION (SHEN) and CLEAN ENERGY FUELS CORP (CLNE).
Recent 13F filings by ECP ControlCo, LLC
- Q2 2026: 13F-HR filed Aug 14, 2026, listing 5 securities.
- Q1 2026: 13F-HR filed May 15, 2026, listing 4 securities.
- Q4 2025: 13F-HR filed Feb 17, 2026, listing 4 securities.
- Q3 2025: 13F-HR/A filed Feb 17, 2026, listing 1 security.
- Q3 2025: 13F-HR/A filed Feb 17, 2026, listing 4 securities.
- Q3 2025: 13F-HR filed Nov 14, 2025, listing 3 securities.