Investor · Company

Great Mountain Partners

Great Mountain Partners is an investment manager in the United States with $14.1 bn of regulatory assets under management across all asset classes. It manages an energy fund with $0.97 bn of gross assets, at least 6.9% of its regulatory assets under management.

Funds managed

1 fund managed by Great Mountain Partners, with $0.97 bn of gross assets. That is at least 6.9% of its $14.1 bn of regulatory assets under management across all asset classes; only its largest funds are collected, so the share is a floor.

FundStrategyDomicileAssetsOffering
Energy Transition Holdings LLCEnergyUnited States$0.97 bn—

Facts

FactValueSource
Name in the sourceGREAT MOUNTAIN PARTNERSSEC adviser reports (Form ADV) · record · Public domain · checked 24 Oct 2026
LocationConnecticutSEC adviser reports (Form ADV) · record · Public domain · checked 24 Oct 2026
Assets under management$14.1 bnSEC adviser reports (Form ADV) · record · Public domain · checked 24 Oct 2026
Real-asset private funds1 funds (usd 100m or more, $0.97 bn gross assets)SEC adviser reports (Form ADV) · Public domain · checked 24 Oct 2026

Research on Great Mountain Partners.Its real-asset holdings and recent deals, and an introduction to the team: on request.

Request research

Data on this page