ECP ControlCo, LLC
Long book
$6.34B
Q1 2026
Positions
4
Top-10 weight
100%
concentration
Last quarter
-13.9%
SPY +14.8%
Turnover
40%
of book per quarter
Strategy in plain words
auto-generated from filingsECP ControlCo, LLC is a diversified fundamental manager, specialised in utilities (99% of the long book), running a $6.34B US long book across 4 positions.
The portfolio is extremely concentrated — the top 10 positions are almost the whole book. The portfolio is actively managed, with meaningful quarterly turnover. Current anchor positions: CONSTELLATION ENERGY, P G & E CORP, SHENANDOAH TELECOMMUNICATION, CLEAN ENERGY FUELS CORP.
Over the last 9 quarters its long book ran on average 6.4pp per quarter behind the S&P 500, beating the index in 3 of 9 quarters. We rate its filings as signal-bearing: position changes reflect genuine views.
Implied long-book return vs S&P 500
methodology: positions priced quarterly, no shorts/options Fund long book S&P 500
Q1 2024
-11.0%
Q2 2024
-3.6%
Q3 2024
+11.3%
Q4 2024
-12.9%
Q1 2025
-12.7%
Q2 2025
+12.5%
Q3 2025
-0.5%
Q4 2025
+13.7%
Q1 2026
-13.9%
Sector allocation
Utilities 99%
Communications 1%
Long book by quarter
What does ECP ControlCo, own?
Q1 2026 13F13F filing history
| Period | Form | Filed | Entries | Reported value | Flags | Source |
|---|---|---|---|---|---|---|
| Q1 2026 | 13F-HR | May 15, 2026 | 4 | $6.34B | canonical | SEC ↗ |
| Q4 2025 | 13F-HR | Feb 17, 2026 | 4 | $204.9M | canonical | SEC ↗ |
| Q3 2025 | 13F-HR/ARESTATEMENT | Feb 17, 2026 | 4 | $205.2M | canonical | SEC ↗ |
| Q3 2025 | 13F-HR/ANEW HOLDINGS | Feb 17, 2026 | 1 | $45.8M | canonical | SEC ↗ |
| Q3 2025 | 13F-HR | Nov 14, 2025 | 3 | $159.5M | confidential | SEC ↗ |
| Q2 2025 | 13F-HR/ANEW HOLDINGS | Feb 17, 2026 | 1 | $36.9M | canonical | SEC ↗ |
| Q2 2025 | 13F-HR/ARESTATEMENT | Feb 17, 2026 | 4 | $178.4M | canonical | SEC ↗ |
| Q2 2025 | 13F-HR | Aug 14, 2025 | 3 | $141.5M | confidential | SEC ↗ |
| Q1 2025 | 13F-HR/ARESTATEMENT | Feb 17, 2026 | 4 | $200.0M | canonical | SEC ↗ |
| Q1 2025 | 13F-HR/ANEW HOLDINGS | Feb 17, 2026 | 1 | $42.8M | canonical | SEC ↗ |
| Q1 2025 | 13F-HR | May 15, 2025 | 3 | $157.3M | confidential | SEC ↗ |
| Q4 2024 | 13F-HR | Feb 14, 2025 | 4 | $259.6M | canonical | SEC ↗ |
| Q3 2024 | 13F-HR | Nov 14, 2024 | 6 | $328.6M | canonical | SEC ↗ |
| Q2 2024 | 13F-HR | Aug 14, 2024 | 7 | $323.8M | canonical | SEC ↗ |
| Q1 2024 | 13F-HR | May 15, 2024 | 7 | $362.7M | canonical | SEC ↗ |
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