# EX4Energy funding: rounds and investors

> EX4Energy has raised $2.4M across 1 round since 2024. Investors include Mitsubishi UFJ Capital, Archetype and DBJ Capital. Every round with its source.

Source: https://millionrounds.com/company/ex4energy (Millionrounds; every figure on the page links to its filing or article)

Japan · [Series A startup](https://millionrounds.com/companies)

# Who invested in *EX4Energy*

One round we have observed, with the 4 investors named in it. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Energy

Funding summary Updated 26 Oct 2026

**$2.4M** raised across 1 round since 2024, from 1 source

- **Latest round:** Series A, $2.4M Aug 2024
- **Investors:** 4

See who backed them

## The rounds

- **Aug 2024** Series A **$2.4M** [Mitsubishi UFJ Capital](https://millionrounds.com/fund/mitsubishi-ufj-capital-co-ltd) [Archetype](https://millionrounds.com/fund/archetype) [DBJ Capital](https://millionrounds.com/fund/dbj-capital) [UTokyo Innovation Platform](https://millionrounds.com/fund/utokyo-innovation-platform) Source recorded

## Everyone who backed them

[Mitsubishi UFJ Capital](https://millionrounds.com/fund/mitsubishi-ufj-capital-co-ltd) VC firm **1** round

[Archetype](https://millionrounds.com/fund/archetype) VC firm **1** round

[DBJ Capital](https://millionrounds.com/fund/dbj-capital) Government **1** round

[UTokyo Innovation Platform](https://millionrounds.com/fund/utokyo-innovation-platform) Growth equity **1** round

Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=ex4energy).

## Quick answers about EX4Energy

### Who invested in EX4Energy?

EX4Energy's investors include Mitsubishi UFJ Capital, Archetype, DBJ Capital and UTokyo Innovation Platform.

### How much has EX4Energy raised?

EX4Energy has raised $2.4M across 1 round since 2024.

### When did EX4Energy last raise?

EX4Energy's most recent round was a Series A of $2.4M in Aug 2024.

### What was EX4Energy's biggest round?

Its most recent round, $2.4M in Aug 2024, is also its largest on record.

### Who backed EX4Energy first?

EX4Energy's first round on record, in Aug 2024, was backed by Mitsubishi UFJ Capital, Archetype and DBJ Capital and 1 others.

### What stage is EX4Energy at?

EX4Energy's latest named round is a Series A, in Aug 2024.

### Where is EX4Energy based?

EX4Energy is based in Japan.

## Companies like EX4Energy

In the same sector, and raised in the last eighteen months.

[**Helical Fusion** $43M · Oct 2026](https://millionrounds.com/company/helical-fusion)[**Tensor Energy** $6.7M · Apr 2026](https://millionrounds.com/company/tensor-energy)[**Sharing Energy** $26M · Apr 2026](https://millionrounds.com/company/sharing-energy)[**3DC** $2.4M · Feb 2026](https://millionrounds.com/company/3dc)[**Oceanic Constellations, Inc** $13M · Feb 2026](https://millionrounds.com/company/oceanic-constellations-inc)[**Carbon CryoCapture** $404K · Sept 2025](https://millionrounds.com/company/carbon-cryocapture)

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