Valar Atomics Seeks $1 Billion at ~$6 Billion Valuation, Sequoia to Lead

Valar Atomics, a three-year-old El Segundo startup building small modular nuclear reactors, is in talks to raise $1 billion at roughly $6 billion, with Sequoia expected to lead. The company last raised $450 million at a $2 billion valuation in March 2026. In July, Valar demonstrated its reactor powering an Nvidia AI chip under a new data center partnership.