# Radiant Nuclear funding: rounds and investors

> Radiant Nuclear has raised $300M across 1 round since 2025. Investors include Draper Associates, Boost VC and Founders Fund. Every round with its source.

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

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

# Who invested in *Radiant Nuclear*

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

Raised 11 months ago

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Funding summary Updated 5 Nov 2026

**$300M** raised across 1 round since 2025, from 1 source

- **Latest round:** Growth, $300M Dec 2025
- **Led by:** Draper Associates and Boost VC
- **Investors:** 6 (2 led)

See who backed them

## The rounds

- **Dec 2025** Growth **$300M** [Draper Associates](https://millionrounds.com/fund/draper-associates) Lead [Boost VC](https://millionrounds.com/fund/boost-vc) Lead [Founders Fund](https://millionrounds.com/fund/founders-fund) [Chevron Technology Ventures](https://millionrounds.com/fund/chevron-technology-ventures) [Friends & Family Capital](https://millionrounds.com/fund/friends-and-family-capital) [Ark Venture Fund](https://millionrounds.com/fund/ark-venture-fund) Reported by TechCrunch

## Everyone who backed them

[Draper Associates](https://millionrounds.com/fund/draper-associates) VC firm **1** round, led 1

[Boost VC](https://millionrounds.com/fund/boost-vc) VC firm **1** round, led 1

[Founders Fund](https://millionrounds.com/fund/founders-fund) VC firm **1** round

[Chevron Technology Ventures](https://millionrounds.com/fund/chevron-technology-ventures) Corporate VC **1** round

[Friends & Family Capital](https://millionrounds.com/fund/friends-and-family-capital) VC firm **1** round

[Ark Venture Fund](https://millionrounds.com/fund/ark-venture-fund) VC firm **1** round

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

## Also claim to have backed them

These 11 firms list Radiant Nuclear as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.

[Cantos](https://millionrounds.com/fund/cantos) VC firm Series A, per its site

[TGM ventures](https://millionrounds.com/fund/tgm) Angel network Per its own site

[Justin Mateen](https://millionrounds.com/fund/justin-mateen) VC firm Per its own site

[Gigascale Capital](https://millionrounds.com/fund/gigascale-capital) VC firm Per its own site

[Decisive Point](https://millionrounds.com/fund/decisive-point) VC firm Per its own site

[Crosscut Ventures](https://millionrounds.com/fund/crosscut) Private equity Per its own site

[Partners Resolute](https://millionrounds.com/fund/partners-resolute) VC firm Per its own site

[Inertia Ventures](https://millionrounds.com/fund/inertia-ventures) VC firm Per its own site

[Neutron Power Ventures](https://millionrounds.com/fund/neutron-power-ventures) VC firm Per its own site

[Realm Capital Ventures](https://millionrounds.com/fund/realm-capital-ventures) VC firm Per its own site

[Unmatched Ventures](https://millionrounds.com/fund/unmatched-ventures) VC firm Per its own site

## Quick answers about Radiant Nuclear

### Who invested in Radiant Nuclear?

Radiant Nuclear's investors include Draper Associates, Boost VC, Founders Fund, Chevron Technology Ventures and Friends & Family Capital, and 1 more on record. Draper Associates led its latest round.

### How much has Radiant Nuclear raised?

Radiant Nuclear has raised $300M across 1 round since 2025.

### When did Radiant Nuclear last raise?

Radiant Nuclear's most recent round was a Growth of $300M in Dec 2025, led by Draper Associates.

### What was Radiant Nuclear's biggest round?

Its most recent round, $300M in Dec 2025, is also its largest on record.

### Who backed Radiant Nuclear first?

Radiant Nuclear's first round on record, in Dec 2025, was backed by Draper Associates, Boost VC and Founders Fund and 3 others.

### What stage is Radiant Nuclear at?

Radiant Nuclear's latest named round is a Growth, in Dec 2025.

### Where is Radiant Nuclear based?

Radiant Nuclear is based in the United States.

### Who led Radiant Nuclear's rounds?

Draper Associates led the Growth in 2025.

## Companies like Radiant Nuclear

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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