Commonwealth Fusion Systems

About Commonwealth Fusion Systems

Commonwealth Fusion Systems (CFS) is the world's largest and leading commercial fusion energy company, focused on delivering clean, abundant, and cost-competitive fusion energy to combat climate change. Their mission is to design, build, and scale fusion power plants using revolutionary high-temperature superconducting magnets.

Products & Services

SPARC:The world's first commercially-relevant net energy fusion machine, designed to pave the way for fusion power plants.

ARC:The world's first fusion power plant, aimed at delivering clean, cost-competitive energy.

High-Temperature Superconducting (HTS) Magnets:Revolutionary magnets developed in collaboration with MIT, enabling smaller and lower-cost tokamak fusion systems.

Specialties

High-Temperature Superconducting Magnets Tokamak Fusion Systems Commercial Fusion Energy Clean Energy Solutions

Funding History

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#	Type	Amount Fields	Date Fields	Investors
1	RT: Series B2 T: - FT: Series B2	A: 863000000 MR: - FA: $863 million FAN: 863000000	D: 2025-08-29 FD: 2025-08-29	6 investors
2	RT: Venture Round T: - FT: Venture Round	A: 863000000 MR: - FA: 863 million FAN: 863000000	D: 2025-08-29 FD: 2025-08-29	6 investors
3	RT: Series B2 T: - FT: Series B2	A: 863000000 MR: - FA: 863 Million FAN: 863000000	D: 2025-08-28 FD: 2025-08-28	26 investors

Series B2 Latest

2025-08-29

$863.0M

6 investors (Pro only)

Venture Round 2025-08-29

$863.0M

Series B2 2025-08-28

$863.0M

View 2 more funding rounds with Pro

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Growth Metrics

+45%

Employee Growth

YoY

3.2x

Funding Growth

Last Round

12

Markets

Operating

10K+

Customers

Active

View 3 more growth metrics with Pro

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Team & Leadership

B

Brandon Sorbom

Chief Science Officer

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