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ECP ControlCo, LLC

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13F filer, CIK 1707921, SUMMIT, NJ

ECP ControlCo, LLC reported $4,668,646,701 across 5 holdings for the quarter ended 2026-06-30, in a 13F-HR filed 2026-08-14.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001104659-26-096451

Period
2026-06-30
Reported value
$4.67B
Holdings
5
Top 10 weight
100%
New
1
Sold out
0

Largest buys vs the previous quarter

SecurityShares changeApprox. value
TLNnew+2,399,998$922M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
CEGreduced-7,673,497-$1.91B

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q2 2026

Share positions as resolved from 13F-HR 0001104659-26-096451, largest first. % of portfolio is the value over $4,668,646,701, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
CEGCONSTELLATION ENERGY CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 22,043,724 shares; 2026Q2: 14,370,227 shares 14,370,227$3.57B76.45%-7,673,497Timeline
TLNTALEN ENERGY CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: 2,399,998 shares 2,399,998$922M19.75%newTimeline
PCGPG&E CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 7,124,720 shares; 2024Q4: 7,124,720 shares; 2025Q1: 7,124,720 shares; 2025Q2: 7,124,720 shares; 2025Q3: 7,124,720 shares; 2025Q4: 7,124,720 shares; 2026Q1: 7,124,720 shares; 2026Q2: 7,124,720 shares 7,124,720$120M2.57%0Timeline
SHENSHENANDOAH TELECOMMUNICATIONQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 2,452,384 shares; 2024Q4: 2,452,384 shares; 2025Q1: 2,452,384 shares; 2025Q2: 2,714,371 shares; 2025Q3: 3,377,233 shares; 2025Q4: 3,457,105 shares; 2026Q1: 3,457,105 shares; 2026Q2: 3,457,105 shares 3,457,105$52.1M1.12%0Timeline
CLNECLEAN ENERGY FUELS CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 2,594,759 shares; 2024Q4: 2,594,759 shares; 2025Q1: 2,594,759 shares; 2025Q2: 2,594,759 shares; 2025Q3: 2,594,759 shares; 2025Q4: 2,594,759 shares; 2026Q1: 2,594,759 shares; 2026Q2: 2,594,759 shares 2,594,759$5.32M0.11%0Timeline

How Q2 2026 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001104659-26-096451 base2026-08-14acceptance time not in the bulk data set

Filings

Every filing of this filer: 13F reports and notices, the 13D and 13G it filed or is a reporting person of, and Forms 3, 4 and 5 it reported as an owner.

FilingSubjectFiledAcceptedIngested
13F-HR 0001104659-26-096451 Quarter ended 2026-06-302026-08-14acceptance time not in the bulk data set
13F-HR 0001104659-26-061701 Quarter ended 2026-03-312026-05-15acceptance time not in the bulk data set
13F-HR/A 0001104659-26-016290 Quarter ended 2025-03-312026-02-17acceptance time not in the bulk data set
13F-HR/A 0001104659-26-016294 Quarter ended 2025-06-302026-02-17acceptance time not in the bulk data set
13F-HR/A 0001104659-26-016295 Quarter ended 2025-09-302026-02-17acceptance time not in the bulk data set
13F-HR/A 0001104659-26-016292 Quarter ended 2025-03-312026-02-17acceptance time not in the bulk data set
13F-HR/A 0001104659-26-016293 Quarter ended 2025-06-302026-02-17acceptance time not in the bulk data set
13F-HR 0001104659-26-016279 Quarter ended 2025-12-312026-02-17acceptance time not in the bulk data set
13F-HR/A 0001104659-26-016298 Quarter ended 2025-09-302026-02-17acceptance time not in the bulk data set
13F-HR 0001104659-25-111781 Quarter ended 2025-09-302025-11-14acceptance time not in the bulk data set
13F-HR 0001104659-25-078393 Quarter ended 2025-06-302025-08-14acceptance time not in the bulk data set
13F-HR 0001104659-25-049013 Quarter ended 2025-03-312025-05-15acceptance time not in the bulk data set
13F-HR 0001104659-25-013376 Quarter ended 2024-12-312025-02-14acceptance time not in the bulk data set
13F-HR 0001104659-24-118190 Quarter ended 2024-09-302024-11-14acceptance time not in the bulk data set
13F-HR 0001104659-24-089265 Quarter ended 2024-06-302024-08-14acceptance time not in the bulk data set
13F-HR 0001104659-24-061547 Quarter ended 2024-03-312024-05-15acceptance time not in the bulk data set
13F-HR 0001104659-24-022871 Quarter ended 2023-12-312024-02-14acceptance time not in the bulk data set
13F-HR 0001104659-23-117995 Quarter ended 2023-09-302023-11-14acceptance time not in the bulk data set
13F-HR 0001104659-23-091341 Quarter ended 2023-06-302023-08-14acceptance time not in the bulk data set
13F-HR/A 0001104659-23-091382 Quarter ended 2023-03-312023-08-14acceptance time not in the bulk data set
13F-HR 0001104659-23-060477 Quarter ended 2023-03-312023-05-15acceptance time not in the bulk data set
13F-HR/A 0001104659-23-051417 Quarter ended 2022-12-312023-04-27acceptance time not in the bulk data set
13F-HR/A 0001104659-23-051409 Quarter ended 2022-06-302023-04-27acceptance time not in the bulk data set
13F-HR/A 0001104659-23-051413 Quarter ended 2022-09-302023-04-27acceptance time not in the bulk data set
13F-HR/A 0001104659-23-051396 Quarter ended 2022-03-312023-04-27acceptance time not in the bulk data set
13F-HR/A 0001104659-23-021070 Quarter ended 2022-09-302023-02-14acceptance time not in the bulk data set
13F-HR 0001104659-23-021013 Quarter ended 2022-12-312023-02-14acceptance time not in the bulk data set
13F-HR/A 0001104659-22-117749 Quarter ended 2022-06-302022-11-14acceptance time not in the bulk data set
13F-HR 0001104659-22-117816 Quarter ended 2022-09-302022-11-14acceptance time not in the bulk data set
13F-HR 0001104659-22-090783 Quarter ended 2022-06-302022-08-15acceptance time not in the bulk data set
13F-HR 0001104659-22-060790 Quarter ended 2022-03-312022-05-16acceptance time not in the bulk data set
13F-HR 0001104659-22-021099 Quarter ended 2021-12-312022-02-14acceptance time not in the bulk data set
13F-NT 0001104659-22-021043 Quarter ended 2021-12-312022-02-14acceptance time not in the bulk data set
13F-HR 0001104659-21-138515 Quarter ended 2021-09-302021-11-15acceptance time not in the bulk data set
13F-HR 0001104659-21-105707 Quarter ended 2021-06-302021-08-16acceptance time not in the bulk data set
13F-HR 0001104659-21-067490 Quarter ended 2021-03-312021-05-17acceptance time not in the bulk data set
13F-HR/A 0001104659-21-022762 Quarter ended 2020-03-312021-02-16acceptance time not in the bulk data set
13F-HR/A 0001104659-21-022765 Quarter ended 2020-09-302021-02-16acceptance time not in the bulk data set
13F-HR/A 0001104659-21-022767 Quarter ended 2020-09-302021-02-16acceptance time not in the bulk data set
13F-HR 0001104659-21-022769 Quarter ended 2020-12-312021-02-16acceptance time not in the bulk data set
13F-HR 0001104659-20-125442 Quarter ended 2020-09-302020-11-16acceptance time not in the bulk data set
13F-HR/A 0001104659-20-125436 Quarter ended 2019-09-302020-11-16acceptance time not in the bulk data set
13F-HR/A 0001104659-20-125439 Quarter ended 2020-03-312020-11-16acceptance time not in the bulk data set
13F-HR/A 0001104659-20-125438 Quarter ended 2020-06-302020-11-16acceptance time not in the bulk data set
13F-HR/A 0001104659-20-125440 Quarter ended 2020-06-302020-11-16acceptance time not in the bulk data set
13F-HR/A 0001104659-20-125437 Quarter ended 2019-12-312020-11-16acceptance time not in the bulk data set
13F-HR 0001104659-20-095033 Quarter ended 2020-06-302020-08-14acceptance time not in the bulk data set
13F-HR 0001104659-20-062053 Quarter ended 2020-03-312020-05-15acceptance time not in the bulk data set
13F-HR 0001104659-20-020711 Quarter ended 2019-12-312020-02-14acceptance time not in the bulk data set
13F-HR 0001104659-19-063794 Quarter ended 2019-09-302019-11-14acceptance time not in the bulk data set
13F-HR 0001104659-19-045886 Quarter ended 2019-06-302019-08-14acceptance time not in the bulk data set
13F-HR 0001104659-19-029543 Quarter ended 2019-03-312019-05-15acceptance time not in the bulk data set
13F-HR 0001104659-19-008260 Quarter ended 2018-12-312019-02-14acceptance time not in the bulk data set
13F-HR 0001104659-18-068306 Quarter ended 2018-09-302018-11-14acceptance time not in the bulk data set
13F-HR 0001104659-18-051812 Quarter ended 2018-06-302018-08-14acceptance time not in the bulk data set
13F-HR 0001104659-18-033344 Quarter ended 2018-03-312018-05-15acceptance time not in the bulk data set
13F-HR 0001104659-18-009450 Quarter ended 2017-12-312018-02-14acceptance time not in the bulk data set
13F-HR 0001104659-17-068454 Quarter ended 2017-09-302017-11-14acceptance time not in the bulk data set
13F-NT 0001104659-17-051791 Quarter ended 2017-06-302017-08-14acceptance time not in the bulk data set