Fundraising

Commonwealth Fusion Systems

Commonwealth Fusion Systems Raises $1.8B in Series C

2018
Founded
400+
Employees
Devens, MA
2 min read

Quick Facts

Commonwealth Fusion Systems Raises $1.8B in Series C


Commonwealth Fusion Systems has successfully raised $1.8B in a Series C at a $4B valuation led by Tiger Global, Bill Gates, Google.


Company Overview


Commonwealth Fusion Systems is a CleanTech company headquartered in Devens, MA, founded in 2018 with 400+ employees.


Commercial fusion energy using high-temperature superconductors


Fundraising Details


  • Amount Raised: $1.8B
  • Round Type: Series C
  • Valuation: $4B
  • Date: 2025-10-16
  • Investors: Tiger Global, Bill Gates, Google

About Commonwealth Fusion Systems


Commercial fusion energy using high-temperature superconductors The company is positioned in the CleanTech sector, serving a growing market with innovative solutions.


Key Information


  • Headquarters: Devens, MA
  • Founded: 2018
  • Team Size: 400+
  • Industry: CleanTech

What This Means


This funding round demonstrates strong investor confidence in Commonwealth Fusion Systems's vision and execution. The capital will likely be used to:


  • Scale Operations: Expand the team and operational capacity
  • Product Development: Enhance existing products and develop new features
  • Market Expansion: Enter new markets and strengthen presence in existing ones
  • Technology Investment: Invest in infrastructure and technology capabilities

Industry Context


The CleanTech sector continues to attract significant investment as companies innovate to meet evolving market demands. Commonwealth Fusion Systems's successful fundraising reflects the strong fundamentals and growth potential in this space.


Valuation Milestone


Reaching a $4B valuation marks an important milestone for Commonwealth Fusion Systems, positioning the company among notable players in the CleanTech industry.


Looking Ahead


With this new capital, Commonwealth Fusion Systems is well-positioned to execute on its growth strategy and continue building innovative solutions in the CleanTech space. The company's trajectory will be one to watch as it deploys this funding to achieve its next phase of growth.


This fundraising news was reported on 2025-10-16. For more information about Commonwealth Fusion Systems, visit their headquarters at Devens, MA.

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Fundraising News Team
Fundraising News Team
Tracking the latest funding rounds and investment news