Commonwealth Fusion Systems
Commonwealth Fusion Systems raises $863M Series at $3.4B valuation
Quick Facts
Commonwealth Fusion Systems: Series Funding Round
Commonwealth Fusion Systems has successfully raised $863M in Series funding, reaching a valuation of $3.4B.
Company Overview
Nuclear fusion startup developing experimental SPARC reactor for clean energy
Funding Details
The Series round was led by Nvidia, with participation from Google, Tiger Global.
Company Information
- Headquarters: Devens, MA
- Founded: 2018
- Employees: 400+
- Category: Energy
Investment
Commonwealth Fusion Systems plans to use the funds to accelerate product development, expand its team, and scale operations globally.
About the Investors
- Nvidia: Verified investor in Series
- Google: Verified investor in Series
- Tiger Global: Verified investor in Series
Key Investors
About the Author

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