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Ecp Controlco, LLC Top Holdings and 13F Report (2026)

About Ecp Controlco, LLC

Investment Activity

  • Ecp Controlco, LLC has $6.34 billion in total holdings as of March 31, 2026.
  • Ecp Controlco, LLC owns shares of 4 different stocks, but just 1 company or ETF makes up 80% of its holdings.
  • Approximately 97.08% of the portfolio was purchased this quarter.
  • About 0.71% of the portfolio was sold this quarter.
  • This quarter, Ecp Controlco, LLC has purchased 4 new stocks and bought additional shares in 0 stocks.
  • Ecp Controlco, LLC sold shares of 0 stocks and completely divested from 1 stock this quarter.

Largest Holdings

Constellation Energy
$6,155,709,927

Largest New Holdings this Quarter

21037T109 - Constellation Energy
$6,155,709,927 Holding

Largest Purchases this Quarter

Constellation Energy
22,043,724 shares (about $6.16B)

Sector Allocation Over Time

Map of 500 Largest Holdings ofEcp Controlco, LLC

 
 
Selling
 
 
Neutral
 
 
Buying
Issuer NameHoldings ValueApproximate Purchase/SaleChange in SharesShares Held% of PortfolioSector
Constellation Energy Corporation stock logo
CEG
Constellation Energy
$6,155,709,927$6,155,709,927 â–²New Holding22,043,72497.1%Energy
Pacific Gas & Electric Co. stock logo
PCG
Pacific Gas & Electric
$125,181,3300.0%7,124,7202.0%Utilities
Shenandoah Telecommunications Co stock logo
SHEN
Shenandoah Telecommunications
$53,308,5590.0%3,457,1050.8%Utilities
Clean Energy Fuels Corp. stock logo
CLNE
Clean Energy Fuels
$6,435,0020.0%2,594,7590.1%Utilities
XPLR INFRASTRUCTURE LP
$0$45,000,000 â–¼-100.0%00.0%COM UNIT PART IN

Showing largest 100 holdings. View all holdings.
SEC Filings and Trading Data