Skip to main content

ECP ControlCo, LLC

SEC CIK
0001707921
Latest filing
Aug 14, 2026

Holdings in Q1 2026

Holdings as of Mar 31, 2026, filed May 15, 2026. Long positions only; changes compare share counts with Q4 2025.

Institution overview
Positions
4
0 vs. Q4 2025
Portfolio value
$6.34B
+$6.14B (+2,994.4%) vs. Q4 2025
Filed
May 15, 2026
SEC
Holdings of ECP ControlCo, LLC in Q1 2026
SecurityClassSharesValue% of portfolioShare changeActionHistory
CEGConstellation Energy CorpStock22,043,724$6.16B97.1%+22,043,724NewHistory
PCGPG&E CorpStock7,124,720$125.2M2.0%00.0%UnchangedHistory
SHENShenandoah Telecommunications CoCOM3,457,105$53.3M0.8%00.0%UnchangedHistory
CLNEClean Energy Fuels Corp.COM2,594,759$6.44M0.1%00.0%UnchangedHistory

Sold out since Q4 2025 (1)

Positions held at the end of Q4 2025 that are gone from this filing.

Positions of ECP ControlCo, LLC sold out since Q4 2025
SecurityClassShares in Q4 2025Value in Q4 2025% of portfolio in Q4 2025History
XIFRXPLR Infrastructure, LPCOM UNIT PART IN4,500,000$45.0M22.0%History