The funding round is led by General Catalyst with participation from a16z. Ramaswamy's move into the nuclear sector focuses on the development of reactor technology through the startup's operations.
Tuesday, October 20, 2026
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Startups12 days ago
General Catalyst and Andreessen Horowitz are providing the financing for a newly formed nuclear energy company. The venture, known as Atlas Atomics and co-founded by Vivek Ramaswamy, is raising approximately $400 million in new capital at a valuation of $1.9 billion.

The funding round is led by General Catalyst with participation from a16z. Ramaswamy's move into the nuclear sector focuses on the development of reactor technology through the startup's operations.
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