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Funding round

Radiant Nuclear Series A

Radiant Nuclear, which works in nuclear microreactor development and manufacturing in El Segundo, raised $13M in a Series A round announced on 24 Feb 2023. 1 firm took part. It is Radiant Nuclear's first venture round on record.

$13M

Amount raised

Not disclosed

Post-money valuation

1

Investors

no lead named

Valuation

What this round says about the price

Radiant Nuclear did not disclose a valuation in this round. It is Radiant Nuclear's first venture round on record, 3 years after it was founded in 2020. It is 2.4% of the $518M Radiant Nuclear has raised in the venture rounds on record. Radiant Nuclear raised again 2 months later: a Series B round of $40M in Apr 2023. Its next priced round, a Series D in Dec 2025, valued it at $1.80B.

Radiant Nuclear's funding rounds

Radiant Nuclear has 4 venture rounds on record. This one is highlighted.

  1. Series A this round 24 Feb 2023 $13M
  2. Series B 1 Apr 2023, led by Andreessen Horowitz $40M
  3. Series C 28 May 2025, led by DCVC $165M
  4. Series D 17 Dec 2025, led by Draper Associates and Boost VC $300M$1.80B post-money

Investors

Who put money in

1 firm took part; no lead investor was named.

Investors

  • backs 3 venture-backed companies

Comparable rounds

How it compares

14 Series A rounds in Electric Supplies & Power Generation within a year either side disclosed an amount; the median was $18M, and this round was 70% of the median. The closest in time, other companies' Series A rounds in Electric Supplies & Power Generation:

Series A rounds in Electric Supplies & Power Generation, Feb 2022 to Feb 2024: 14 rounds with an amount, log scale.
Comparable rounds
CompanyAnnouncedAmountPost-moneyLed by
Electric Supplies & Power Generation2 Feb 2023$10Mnot disclosednot named
Electric Supplies & Power Generation17 Mar 2023$11Mnot disclosedNRP and Statkraft Ventures
Electric Supplies & Power Generation7 Dec 2022$9.8Mnot disclosednot named
Electric Supplies & Power Generation3 Oct 2022$40Mnot disclosedFifth Wall and Agility Ventures
Electric Supplies & Power Generation28 Jun 2023$11Mnot disclosedbp ventures
Electric Supplies & Power Generation27 Sep 2022$119Mnot disclosedAviva Investors
Electric Supplies & Power Generation5 Sep 2023$27Mnot disclosedMirova
Electric Supplies & Power Generation28 Sep 2023$5.4Mnot disclosedeQventure and tecnet

Sources

Where this comes from

Reported by 2 sources.

Questions

Frequently asked

How much did Radiant Nuclear raise in its Series A round?

Radiant Nuclear raised $13M in its Series A round, announced in Feb 2023.

Which investors took part in Radiant Nuclear's Series A round?

McKinley.

What was Radiant Nuclear's valuation at the Series A round?

It was not disclosed.

How does it compare with other Series A rounds in Electric Supplies & Power Generation?

14 Series A rounds in Electric Supplies & Power Generation within a year either side disclosed an amount; the median was $18M, and this round was 70% of the median.

Did Radiant Nuclear raise again after this round?

Yes: a Series B round in Apr 2023 of $40M.