Valar Atomics
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Investors
Founders
About
Valar Atomics is an El Segundo, California-based startup founded in 2023 that builds clusters of small nuclear reactors to power AI data centers 1. In November 2025, the company achieved zero-power criticality at Los Alamos National Laboratory, becoming the first company to reach that milestone under the US Department of Energy’s Nuclear Reactor Pilot Programme 2.
Funding History
| Date | Round | Amount | Lead | Co-investors |
|---|---|---|---|---|
| 2025-11 | Series A | $130M | Snowpoint Ventures | Day One Ventures, Dream Ventures, Palmer Luckey, Shyam Sankar, John Donovan 2 |
| 2026-03-31 | Growth | $450M ($340M equity, $110M debt) | — | Palmer Luckey, Shyam Sankar 12 |
| 2026-08-03 | Series B | $1B equity + $200M credit | Sequoia Capital (Shaun Maguire) | Apandion Capital, Atreides Management, Conviction, Dream Ventures, HOF Capital, Point72, Riot Ventures, Snowpoint Ventures, Valor Equity Partners; Erebor and other banks (credit line) 34 |
The August 2026 Series B values Valar Atomics at approximately $6 billion post-money 34. The equity round is led by Sequoia Capital’s Shaun Maguire, with a separate $200M credit line provided by Erebor and other banks 34.
What Investors Say
No verified investor quotes available at this time.
What Founders Say
No verified founder quotes available at this time.
Sources
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The Next Web, “Valar Atomics raises $450M at $2B valuation to power AI with small nuclear reactors,” March 31, 2026. https://thenextweb.com/news/valar-atomics-nuclear-ai-data-centre-funding↩↩
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Bloomberg, “Palmer Luckey-Backed Nuclear Startup Valar Lands $2 Billion Valuation,” March 31, 2026. https://www.bloomberg.com/news/articles/2026-03-31/palmer-luckey-backed-nuclear-startup-valar-lands-2-billion-valuation↩↩↩
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TechCrunch, “Sequoia’s Shaun Maguire leads $1B round for nuclear startup Valar Atomics,” August 3, 2026. Accessed August 2026. https://techcrunch.com/2026/08/03/sequoias-shaun-maguire-leads-1b-round-for-nuclear-startup-valar-atomics/↩↩↩
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AlleyWatch, “The AlleyWatch Startup Daily Funding Report: 8/3/2026,” August 3, 2026. Accessed August 2026. https://alleywatch.com/2026/08/the-alleywatch-startup-daily-funding-report-8-3-2026/↩↩↩