# Radiant funding rounds and investors

As of 14 Oct 2026, Radiant has raised $165M across 1 verified round on record, plus 1 round still being checked; latest: $165 million Series C led by DCVC, announced 28 May 2025.

Radiant Nuclear sells nuclear microreactors designed for commercial and government customers, providing independent energy solutions.

Website: https://radiantnuclear.com  
Headquarters: El Segundo, California  
Page: https://fireround.dev/companies/radiantnuclear.com

## Verified rounds

| Announced | Round | Amount | Lead investors | Other investors | Sources |
| --- | --- | --- | --- | --- | --- |
| 2025-05-28 | Series C | $165 million | DCVC | StepStone, Giant Ventures, Hanwha Asset Management Venture Fund, SGA Capital, Crossbeam Venture Partners, Align Fund, ARK Investment Management, Gigascale Capital, HartBeat Ventures, Pax Ventures | [radiantnuclear.com](https://www.radiantnuclear.com/news/series-c-close), [bloomberg.com](https://www.bloomberg.com/news/articles/2025-05-28/nuclear-startup-radiant-raises-165-million-for-micro-reactor) |

Source: Fireround (https://fireround.dev), an open-source funding feed. Each round is checked against the pages listed with it.