Ecp Controlco, Llc

Institutional manager — quarterly 13F holdings, Q ending 2026-03-31

Reported value

$6.34B

Q ending 2026-03-31

Prior quarter

$204.9M

Q ending 2025-12-31

Change

+2994.4% QoQ · +3070.3% YoY

Positions

reported holdings

Largest positions

All 4 reported positions, Q ending 2026-03-31. A manager can hold shares, calls and puts on the same security at once — such positions are listed as separate rows. Type: Shares = common stock, Put/Call = option positions (valued at the underlying), Principal = debt. Tickers link to stock pages where covered.

Holding	Ticker	Type	Value ▼	Shares
Constellation Energy Corp	CEG	Shares	$6.16B	22.0M
Pg&E Corp	PCG	Shares	$125.2M	7.1M
Shenandoah Telecommunication	SHEN	Shares	$53.3M	3.5M
Clean Energy Fuels Corp	CLNE	Shares	$6.4M	2.6M

Values as reported in public regulatory filings (USD); holdings are reported quarterly, up to 45 days after quarter end, and may contain reporting errors. Nothing here is investment advice.