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Fundraising

Chestnut Carbon

Chestnut Carbon Raises $160M in Series B

Glendale, CAOctober 13, 20252 min read
Employees
150+

Chestnut Carbon Raises $160M in Series B


Chestnut Carbon has successfully raised $160M in a Series B at a $750M valuation led by Breakthrough Energy Ventures.


Company Overview


Chestnut Carbon is a CleanTech company headquartered in Glendale, CA, founded in 2020 with 150+ employees.


Developer of enhanced rock weathering technology for carbon removal


Fundraising Details


  • Amount Raised: $160M
  • Round Type: Series B
  • Valuation: $750M
  • Date: 2025-10-13
  • Investors: Breakthrough Energy Ventures

About Chestnut Carbon


Developer of enhanced rock weathering technology for carbon removal The company is positioned in the CleanTech sector, serving a growing market with innovative solutions.


Key Information


  • Headquarters: Glendale, CA
  • Founded: 2020
  • Team Size: 150+
  • Industry: CleanTech

What This Means


This funding round demonstrates strong investor confidence in Chestnut Carbon'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. Chestnut Carbon's successful fundraising reflects the strong fundamentals and growth potential in this space.


Valuation Milestone


Reaching a $750M valuation marks an important milestone for Chestnut Carbon, positioning the company among notable players in the CleanTech industry.


Looking Ahead


With this new capital, Chestnut Carbon 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 2025-10-13. For more information about Chestnut Carbon, visit their headquarters at Glendale, CA.

Company Info

Headquarters
Glendale, CA
Founded
2020
Team Size
150+

Topics

Fundraising(2912)Series B(306)CleanTechChestnut Carbon

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