# The Nuclear Company funding: rounds and investors

> The Nuclear Company has raised $51M across 1 round since 2025. Investors include Eclipse, True Ventures and Goldcrest Capital. Every round with its source.

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

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

# Who invested in *The Nuclear Company*

One round we have observed, with the 6 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.

Climate Tech Energy

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Funding summary Updated 5 Nov 2026

**$51M** raised across 1 round since 2025, from 2 sources

- **Latest round:** Series A, $51M May 2025
- **Led by:** Eclipse
- **Investors:** 6 (1 led)

See who backed them

## The rounds

- **May 2025** Series A **$51M** [Eclipse](https://millionrounds.com/fund/eclipse) Lead [True Ventures](https://millionrounds.com/fund/true-ventures) [Goldcrest Capital](https://millionrounds.com/fund/goldcrest-capital) [CIV](https://millionrounds.com/fund/civ) [MCJ Collective](https://millionrounds.com/fund/mcj-collective) [Wonder Ventures](https://millionrounds.com/fund/wonder-ventures-2) Reported by TechCrunch and 1 other

## Everyone who backed them

[Eclipse](https://millionrounds.com/fund/eclipse) VC firm **1** round, led 1

[True Ventures](https://millionrounds.com/fund/true-ventures) VC firm **1** round

[Goldcrest Capital](https://millionrounds.com/fund/goldcrest-capital) VC firm **1** round

[CIV](https://millionrounds.com/fund/civ) Venture studio **1** round

[MCJ Collective](https://millionrounds.com/fund/mcj-collective) VC firm **1** round

[Wonder Ventures](https://millionrounds.com/fund/wonder-ventures-2) VC firm **1** round

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

## Also claim to have backed them

This firm lists The Nuclear Company as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.

[Xerxes Foundation](https://millionrounds.com/fund/xerxes-foundation) Investment firm Per its own site

## Quick answers about The Nuclear Company

### Who invested in The Nuclear Company?

The Nuclear Company's investors include Eclipse, True Ventures, Goldcrest Capital, CIV and MCJ Collective, and 1 more on record. Eclipse led its latest round.

### How much has The Nuclear Company raised?

The Nuclear Company has raised $51M across 1 round since 2025.

### When did The Nuclear Company last raise?

The Nuclear Company's most recent round was a Series A of $51M in May 2025, led by Eclipse.

### What was The Nuclear Company's biggest round?

Its most recent round, $51M in May 2025, is also its largest on record.

### Who backed The Nuclear Company first?

The Nuclear Company's first round on record, in May 2025, was backed by Eclipse, True Ventures and Goldcrest Capital and 3 others.

### What stage is The Nuclear Company at?

The Nuclear Company's latest named round is a Series A, in May 2025.

### Where is The Nuclear Company based?

The Nuclear Company is based in the United States.

### Who led The Nuclear Company's rounds?

Eclipse led the Series A in 2025.

## Companies like The Nuclear Company

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

[**Group14 Technologies** $632M · Oct 2026](https://millionrounds.com/company/group14-technologies)[**DMC Biotechnologies** $19M · Oct 2026](https://millionrounds.com/company/dmc-biotechnologies)[**Mammoth Energy Services** $58M · Oct 2026](https://millionrounds.com/company/mammoth-energy-services)[**Emvolon** $22M · Oct 2026](https://millionrounds.com/company/emvolon)[**Terradot** $92M · Oct 2026](https://millionrounds.com/company/terradot)[**Amogy** $125M · Oct 2026](https://millionrounds.com/company/amogy)

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