Form D · Pooled Investment Fund

ECP ENERGY TRANSITION OPPORTUNITIES FUND B, LP

Summit, NJ · CIK 0001873386

Offering snapshot reported Sep 17, 2021 · SEC filing

Reported sold
Yet to sell
Offering amount: $500M
Investors reported
Not reported
Form D · investor count
Minimum accepted
Not reported
Reported outside-investor minimum
First sale
Yet to occur
As reported in this filing

What changed?

Latest filing versus its linked predecessor, where available.

No comparable changes in the displayed metrics.

Filing history

Scroll to see all columns →

FiledFiling typeReported soldChange vs linked filingInvestorsSource
Sep 17, 2021InitialYet to sellNo comparisonNot reportedSEC filing

Offering details

Securities
Not reported
Exemptions
Not reported
Duration over one year
Not reported
Business combination
Not reported
Sales commissions
Not reported
Finders' fees
Not reported
Form D file number
021-413837

Source: Form D, filed Sep 17, 2021. Minimum accepted may differ from a standard advertised minimum.

Fund connections

The linked fund shows its most recently reported ADV details.

Matched by reported Form D file number

ECP ENERGY TRANSITION OPPORTUNITIES FUND B, LP

Investment adviser: ENERGY CAPITAL PARTNERS MANAGEMENT, LP

Gross asset value
$1.46M
Beneficial owners
2
ADV minimum commitment
$1M

Reported in Form ADV on Apr 30, 2026. Fund assets and beneficial owners measure different things from Form D sales and investors.

Service providers

Auditor RSM STAMFORD, Connecticut, United States
Custodian JPMORGAN PRIVATE BANK NEWARK, Delaware, United States Related to adviser: No
Marketer ROCKEFELLER CAPITAL MANAGEMENT NEW YORK, New York, United States Related to adviser: No
Provider details
Annual audit
Yes
Prime brokers
No
Custodians
Yes
Administrator other than the adviser
No
External marketing
Yes

RSM
PCAOB 49

ROCKEFELLER CAPITAL MANAGEMENT
CRD 291361 · SEC 801-114033

Filing source

Form ADV 2101857 · Apr 30, 2026 · Schedule D 7.B.(1), fund 805-8780532547

Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.

People & organizations

Current and past Form D appearances. These existing records do not establish a person's current role or uniquely identify them across issuers.

People and organizations reported in Form D filings
NameReported role
Rahman Dargenio Executive, Promoter
Jennifer Gray Executive, Promoter
Murray D. Karp Executive, Promoter
Douglas W. Kimmelman Executive, Promoter
Peter Labbat Executive, Promoter
Christopher M. Leininger Executive, Promoter
Tyler Reeder Executive, Promoter
Kelly Self Executive, Promoter

Issuer details

Industry: Pooled Investment Fund (See others in industry)

Address:
40 Beechwood Road
Summit, NJ, 07901