# Atome Energy funding: rounds and investors

> Atome Energy has raised $665M across 2 rounds since 2026. Investors include International Finance Corporation, European Investment Bank and FMO.

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

United Kingdom · [Funded startup](https://millionrounds.com/companies)

# Who invested in *Atome Energy*

2 rounds we have observed, with the 3 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Climate Tech

Raised 7 months ago

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Funding summary Updated 27 Oct 2026

**$665M** raised across 2 rounds since 2026, from 2 sources

**$420M** Debt **$245M** Round

- **Latest round:** Round, $245M Apr 2026
- **Biggest round:** $420M Debt · Mar 2026
- **Investors:** 3

See who backed them

## The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

2027

**$420M** Debt

**$245M** Round

- **First round:** Debt, $420M
- **Biggest round:** $420M
- **Between rounds:** 1 month

## The rounds

- **Apr 2026** Round **$245M** *1 new* *2 returning* [International Finance Corporation](https://millionrounds.com/fund/international-finance-corporation-ifc) [European Investment Bank](https://millionrounds.com/fund/european-investment-bank) [FMO](https://millionrounds.com/fund/fmo) Source recorded
- **Mar 2026** Debt **$420M** *2 new* [International Finance Corporation](https://millionrounds.com/fund/international-finance-corporation-ifc) [European Investment Bank](https://millionrounds.com/fund/european-investment-bank) Source recorded

## Who was in which round

The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.

**Debt** 2026 **Round** 2026 [International Finance Corporation](https://millionrounds.com/fund/international-finance-corporation-ifc) [European Investment Bank](https://millionrounds.com/fund/european-investment-bank) [FMO](https://millionrounds.com/fund/fmo)

## Everyone who backed them

[International Finance Corporation](https://millionrounds.com/fund/international-finance-corporation-ifc) Government **2** rounds

[European Investment Bank](https://millionrounds.com/fund/european-investment-bank) Government **2** rounds

[FMO](https://millionrounds.com/fund/fmo) Government **1** round

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

## Quick answers about Atome Energy

### Who invested in Atome Energy?

Atome Energy's investors include International Finance Corporation, European Investment Bank and FMO.

### How much has Atome Energy raised?

Atome Energy has raised $665M across 2 rounds since 2026.

### When did Atome Energy last raise?

Atome Energy's most recent round was an Undisclosed round of $245M in Apr 2026.

### What was Atome Energy's biggest round?

Atome Energy's largest round on record is $420M (Debt), in Mar 2026.

### Who backed Atome Energy first?

Atome Energy's first round on record, in Mar 2026, was backed by International Finance Corporation and European Investment Bank.

### What stage is Atome Energy at?

Atome Energy's latest named round is an Undisclosed round, in Apr 2026.

### Where is Atome Energy based?

Atome Energy is based in the United Kingdom.

## Companies like Atome Energy

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

[**Concretene** $9.9M · Oct 2026](https://millionrounds.com/company/concretene)[**Nuada** $19M · Oct 2026](https://millionrounds.com/company/nuada)[**Adaptavate** $15M · Oct 2026](https://millionrounds.com/company/adaptavate)[**Metris Energy** $7.5M · Sept 2026](https://millionrounds.com/company/metris-energy)[**Isometric** $50M · Sept 2026](https://millionrounds.com/company/isometric)[**Breathe Battery Technologies** $132M · Aug 2026](https://millionrounds.com/company/breathe-battery-technologies)

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