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Commonwealth Fusion Systems

Cambridge, United States

Commonwealth Fusion Systems designs and develops commercial fusion energy systems to produce clean energy.

$863.0M raised
Aug 2025
Series B
Clean EnergyElectrical DistributionEnergyEnvironmental EngineeringRenewable Energy

Top Investors

Temasek HoldingsKhosla VenturesHOF CapitalFuture VenturesGoogle

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Frequently Asked Questions about Commonwealth Fusion Systems

How much funding has Commonwealth Fusion Systems raised?
Commonwealth Fusion Systems has raised $863.0M in total funding. The most recent round was Series B. The last funding was announced in August 2025.
Who are Commonwealth Fusion Systems's investors?
Commonwealth Fusion Systems's investors include Temasek Holdings, Khosla Ventures, HOF Capital, Future Ventures, Google.
Where is Commonwealth Fusion Systems headquartered?
Commonwealth Fusion Systems is headquartered in Cambridge, United States.
What does Commonwealth Fusion Systems do?
Commonwealth Fusion Systems designs and develops commercial fusion energy systems to produce clean energy.
What stage is Commonwealth Fusion Systems at?
Commonwealth Fusion Systems is at the Series B stage.
Cite this page

Free to use in articles, research, and reference works. Stable URL — will not change. Data on this page last updated .

MLA
"Commonwealth Fusion Systems — Funding & Investors." VCBacked, August 27, 2025, https://www.vcbacked.co/company/commonwealth-fusion-systems. Accessed July 9, 2026.
APA
VCBacked. (2025). Commonwealth Fusion Systems — Funding & Investors. Retrieved July 9, 2026, from https://www.vcbacked.co/company/commonwealth-fusion-systems
Wikipedia (cite web)
{{cite web |title=Commonwealth Fusion Systems — Funding & Investors |url=https://www.vcbacked.co/company/commonwealth-fusion-systems |website=VCBacked |access-date=July 9, 2026}}

Profile data sourced and verified per the VCBacked methodology. Last funding round dated .

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