ECP ControlCo, LLC
SUMMIT, NJ · CIK 1707921 · 13F filing filed 2026-08-14
No investment adviser registration (Form ADV) found for this filer. It may be a parent company whose subsidiaries are the registered advisers, a bank or insurer, or a manager based outside the US.
$4.7bn
reported value
-26.4% vs Q1 2026
5positions
100.0%in top 10
1 new
0 added
1 reduced
0 sold out
vs Q1 2026
This report includes the holdings of 6 other managers that share the investment decisions:
- ECP GP V, LP – reports through this filing
- ECP V, LLC – reports through this filing
- ENERGY CAPITAL PARTNERS III, LLC – reports through this filing
- Energy Capital Partners GP III, LP – reports through this filing
- Energy Capital Partners GP IV, LP – reports through this filing
- Energy Capital Partners IV, LLC – reports through this filing
Shares in two reports are counted once in each security's totals.
Holdings, Q2 2026
The small lines show how much was held over the last 4 quarters (adjusted for stock splits).
| Security | Value | Change |
|---|---|---|
| CONSTELLATION ENERGY CORP CEG | $3.6bn76.45% | Reduced -7.7m |
| TALEN ENERGY CORP TLN | $922.2m19.75% | New |
| PG&E CORP PCG | $119.8m2.57% | Unchanged |
| SHENANDOAH TELECOMMUNICATION SHEN | $52.1m1.12% | Unchanged |
| CLEAN ENERGY FUELS CORP CLNE | $5.3m0.11% | Unchanged |
Stakes above 5%
Companies where this manager has reported owning more than 5% of a class of shares, on Schedule 13D (may seek influence) or 13G (passive): its latest filing for each, from 19 Dec 2024 on.
| Company | Stake |
|---|---|
| SHENANDOAH TELECOMMUNICATION SHEN · 13D · filed 2025-08-12 | 11.6%≈ $102.2m |
| TALEN ENERGY CORP TLN · 13G · filed 2026-06-23 | 5.0%≈ $922.2m |