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Companies / Radiant Nuclear

Radiant Nuclear

United States

Radiant develops and manufactures nuclear microreactors for commercial and government customers.

Radiant Nuclear, based in United States, has 28 investors on file, among them Acequia Capital, Also Capital and Andreessen Horowitz. Its latest round on record is Round, 17 Dec 2025, of 2 rounds. Its site was last checked 13 Nov 2026: site answers.

Funding

2 rounds on record
Latest roundRound17 Dec 2025
Since that round11 monthsno later round on record
Time between rounds2 years 8 monthson average, over 2 rounds
Investors in its rounds75 with a VCinfo profile
Dec 2025RoundInvestors not named
Apr 2023Series BLed by Andreessen Horowitz, with Draper Associates, Decisive Point, Cantos, Founders Fund and 2 others

Round sizes and total raised are on Fundup AI, our sister product for funding data.

Investors

28 investors on file
InvestorEvidenceType
Acequia CapitalPortfolio pageVenture capital
Also CapitalPortfolio pageVenture capital
Andreessen HorowitzPortfolio pageVenture capital
ARK Venture FundPortfolio pageInvestor
Autopilot VenturesPortfolio pageVenture capital
BeyondPortfolio pageVenture capital
Boost VCPortfolio pageVenture capital
CantosPage + roundVenture capital
Collaborative FundPortfolio pageVenture capital
Critical FrontierPortfolio pageVenture capital
CrosscutPortfolio pageVenture capital
Decisive PointPage + roundVenture capital
Draper AssociatesPage + roundVenture capital
FelicisPortfolio pageVenture capital
Founders FundPortfolio pageVenture capital
Friends & Family CapitalPortfolio pageVenture capital
Inertia VenturesPortfolio pageVenture capital
IQTPortfolio pageVenture capital
Jones Trauber CapitalPortfolio pageVenture capital
Launch AlaskaPortfolio pageAccelerator
Nucleation CapitalPortfolio pageVenture capital
Partners ResolutePortfolio pageVenture capital
PaxPortfolio pageVenture capital
Sandberg Bernthal Venture PartnersPortfolio pageVenture capital
Tamarack GlobalPortfolio pageVenture capital
TeknasyonPortfolio pageInvestor
Timescale VenturesPortfolio pageVenture capital
Union Square VenturesPortfolio pageVenture capital

A company is shown only after its own site answers and carries its name. Sites are checked again on a schedule, because domains lapse and get bought. Round stages and dates come from Fundup AI; investor links come from portfolio pages and rounds; other facts name their source when you point at them. How we grade the data

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VCinfo API
$ curl -H "X-API-Key: YOUR_KEY" \
  https://api.vcinfo.io/v1/companies/radiantnuclear.com/investors

# also
GET /v1/companies/radiantnuclear.com
GET /v1/companies/radiantnuclear.com/news
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