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Valar Atomics raises $1 billion Series B funding led by Sequoia Capital at $6 billion valuation

Funding Provisional 95% confidence first seen

Nuclear startup Valar Atomics secured $1 billion in Series B funding led by Sequoia Capital, valuing the company at $6 billion, plus a $200 million credit line. The company has demonstrated its Ward-250 small modular reactor achieving criticality and powering Nvidia AI infrastructure, positioning itself to supply energy for AI data centers.

Valar Atomics Erebor Isaiah Taylor NVIDIA NVIDIA Blackwell Sequoia Capital Shaun Maguire

The deal

Valar Atomics $1 billion Series B · announced 4 Aug 2026

Investors Sequoia Capital

Deal terms as reported in the coverage below.

Source coverage

Sequoia Leads Billion-Dollar Round for Nuclear Startup Valar Atomics Trending Topics independent A high school dropout’s nuclear startup just landed $1B from Sequoia at a $6B valuation Tech Funding News independent

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