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Valar Atomics

Valar Atomics

Private
El Segundo, CaliforniaEnergy & Sustainabilityhttps://www.valaratomics.com/

Last Round

Series B

Aug 3, 2026

Est. Valuation

$6B

Total Funding Raised

$1.49B

Momentum

Top 1%

of companies Caplight tracks

Company Overview

Valar Atomics is an energy production company that develops and manufactures high-temperature gas reactors to provide grid-independent power for data centers and heavy industry.

Sector

Energy & Sustainability

Verticals

Renewable Energy, Advanced Materials

Business Model

B2B

Customer Profile

Government Contracts, Data as a Service, Hardware Sales

AI Layer

Non-AI

Keywords

small modular reactorSMRTRISO fueladvanced nuclearnuclear energymicroreactorhigh-temperature gas reactorHTGRnuclear fuel fabricationclean energycarbon-free energyenergy infrastructurenext-gen nucleardeep techdata center power

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Caplight Momentum Score

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Valar Atomics Comparables

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Valar Atomics comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
X-energy
85%
TerraPower
81%
Kairos Power
81%

Valar Atomics Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series BAug 3, 2026
Series A ExtensionApr 1, 2026
Series ANov 10, 2025
SeedFeb 19, 2025

Valar Atomics Investors

Notable investors and investment history

Valar Atomics investors
InvestorRounds
Balerion Space VenturesSeries A
AlleyCorpSeed, Series A
Contrary CapitalSeries A
DTXSeries A
Crosscut VenturesSeries A
Riot VenturesSeries A, Seed
TriplePoint CapitalSeries A

Market signals

Structured signals derived from secondary market and firmographic data.

  • Jul 28, 2026

    Grew 47% QoQ, from 96 to 141 employees.

  • Jul 25, 2026

    Monthly visitors grew 53% MoM.

Valar Atomics Filings

SEC and related filings with document metadata.

Data table
TypedDateAmount OfferedAmount SoldFillingPagesDownload
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Valar Atomics Filings

SEC and related filings with document metadata.

Appears On

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Frequently Asked Questions

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Firmographic Details

HeadquartersEl Segundo, California
Employee Range141
Year Founded2023
Last FundingAug 3, 2026

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