Japan · 
What does Marunouchi Innovation Partners invest in?
Marunouchi Innovation Partners invests most often at Series D and Series E (100% of the rounds on record), in sectors such as Climate Tech.
Marunouchi Innovation Partners highlights
- 01
3 cheques in the last 12 months
- 02
Mostly Series D and Series E: 100% of its rounds
- 03
Sole investor in 1 rounds, median undisclosed
What they do
The Marunouchi Climate Tech Growth Fund L.P., which we manage, targets a wide range of climate tech and provides growth capital to startup companies with advanced and promising technologies.Translated from Japanese, from their own website
- Type
- VC firm
- Cheque size
- Not stated
- Stages
- Growth
- Sectors
- Climate Tech
- Based in
- Tokyo, Japan
- Cold pitches
- Not accepted
The record
Every round we can evidence, newest first4 appearances
- 2026
2 rounds
- Oct
- Feb
- 2025
2 rounds
- Dec
- Jan
An announcement gives the size of the round, not the size of this investor's cheque: the only rounds that imply a cheque are those where they were the sole named investor.
What the register says
From the firm's own filings with the SEC, which it must file accurately by law
$633Mgross assets of its fundsOct 2026
Exemptreporting adviserventure or small private funds
- Legal name
- Marunouchi Innovation Partners Co., LTD.
- SEC number
- CRD 340091
What they claim to have backed
From their own portfolio page (on their website)
9 of 10 we have independently watched raise
AmogyBostonmetalEmeraldaiFabric8labsFervoenergyHivedMainspringenergyOmnidianUbicquiaGoinfinitum
Weaker than a round we watched, stronger than a list somebody sold us. A firm is far less willing to put a company on its own site that it never funded.