Marunouchi Innovation Partners

Venture Capital

Marunouchi Innovation Partners is a growth-stage VC targeting climate tech companies globally from a $744M fund.

Tokyo, Japan · 5+ investments · 5 portfolio companies

Late Stage
Early Stage
Growth
Climate Tech
Headquarters
Tokyo, Japan
Founded
2023
AUM
$744.0M
Portfolio Companies
5
Total Investments
5
Last Investment
Jul 2025
Geographic Focus
Global

Investment Thesis

Provides growth capital to startup companies with state-of-the-art technologies in climate tech fields.

Marunouchi Innovation Partners is a Venture Capital firm based in Tokyo, Japan. It has made 5 investments, including Mainspring Energy, GridPoint and Infinitum. Focus areas include Climate Tech.

Portfolio5

Co-investors24

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24 co-investors across 26 shared portfolio companies — who they back alongside, and how often they lead.

Venture Capital ×18 · Bank ×2 · Other ×1 · 18 shared rounds

Investment History

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