Commonwealth Fusion Funding: $3B Raised, Series B (2025)

Commonwealth Fusion funding overview

Commonwealth Fusion is a Climate company based in Devens, Massachusetts. Commonwealth Fusion has raised $3B in total disclosed funding. That places its disclosed total in over $1B. Its most recent disclosed round is a Series B announced in August 2025. The round record for Commonwealth Fusion runs through 2025; nothing later has been disclosed. Investors on record include Brevan Howard Macro Venture Fund, Counterpoint Global (Morgan Stanley), Stanley Druckenmiller, FFA Private Bank (Dubai) Ltd., Galaxy Interactive, Gigascale Capital and 27 others. 33 distinct backers are named across the disclosed rounds.

Commonwealth Fusion at a glance

Total raised: $3B
Latest round: Series B
Latest round date: August 2025
Industry: Climate
Headquarters: Devens, Massachusetts
Notable investors: Brevan Howard Macro Venture Fund, Counterpoint Global (Morgan Stanley), Stanley Druckenmiller, FFA Private Bank (Dubai) Ltd., Galaxy Interactive, Gigascale Capital, HOF Capital, Neva SGR (Intesa Sanpaolo Bank)

Frequently asked about Commonwealth Fusion funding

How much has Commonwealth Fusion raised?: Commonwealth Fusion has raised $3B in total disclosed funding across the rounds on record.
Who has invested in Commonwealth Fusion?: Brevan Howard Macro Venture Fund, Counterpoint Global (Morgan Stanley), Stanley Druckenmiller, FFA Private Bank (Dubai) Ltd., Galaxy Interactive, Gigascale Capital are named among the investors backing Commonwealth Fusion.
What was the latest Commonwealth Fusion funding round?: The most recent disclosed round is a Series B, announced in August 2025.
Where is Commonwealth Fusion based?: Commonwealth Fusion is based in Devens, Massachusetts.
What sector does Commonwealth Fusion operate in?: Commonwealth Fusion is tracked under Climate from Devens, Massachusetts, with $3B in disclosed funding.
When did Commonwealth Fusion last raise?: The last disclosed Commonwealth Fusion round closed in August 2025 at Series B.

Every Commonwealth Fusion figure above comes from filings and announced rounds in the StartupFundraising company database and is revised as new rounds are recorded. The lists below compare Climate companies in Devens at a similar stage.

Commonwealth Fusion Funding: $3B Raised, Series B (2025)

Commonwealth Fusion funding overview

Commonwealth Fusion at a glance

Frequently asked about Commonwealth Fusion funding

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