ChipsAugust 3, 2026via TechCrunch Startups
Sequoia’s Shaun Maguire leads $1B round for nuclear startup Valar Atomics
Why it matters
Nuclear energy is becoming a direct funding lever in the AI compute buildout. A $1B round for a nuclear startup signals that venture capital sees power infrastructure—not just chips or software—as a constraint on scaling AI, and Nvidia's development deal suggests the constraint is real.
Key signals
- Valar Atomics raised $1B at $6B valuation
- Led by Sequoia's Shaun Maguire
- Valar signed development deal with Nvidia in June 2026
- Nuclear power for AI data-center buildout
The hook
$1B. That's what Sequoia just bet on nuclear power for AI data centers.
Valar Atomics raised $1 billion at a $6 billion valuation after signing a development deal with Nvidia in June.