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Valar Atomics

valaratomics.com ↗
PROCESS SCHEMATIC · NUCLEAR / HTGR LIVE
Founded
2023
Stage
SERIES B
Raised
$600.5M
HQ
HAWTHORNE, CA
Layer
MANUFACTURING

Helium-cooled high-temperature gas reactor developer pursuing a 'gigasite' factory production model.

Funding history

RoundAmountDateLead
Pre-seed$1.5M—Riot Ventures
Seed$19M2025-02—
Series A$130M2025-11Snowpoint Ventures, Day One Ventures & Dream Ventures
Series B$450M2026-04—
Upstream
TRISO fuel (in-house fabrication under DOE Fuel Line Pilot Program)
Downstream
AI data centers
Related
General MatterStandard NuclearDeep FissionMarathon Fusion

Sources

Valar's Ward 250 reaches criticality in Utah — ANS Nuclear Newswire ↗Valar Atomics raises $450M at $2B valuation to power AI with small nuclear reactors ↗Nuclear startup Valar Atomics raises $130 million — CNBC ↗Valar Atomics funding, news & analysis — Sacra ↗