Periodic Labs in talks to raise at about a $7B valuation, Bloomberg reports

Periodic Labs

Periodic Labs, founded in May 2025 by ex-OpenAI VP Liam Fedus and ex-DeepMind scientist Ekin Dogus Cubuk, is in early talks to raise at about $7B valuation, up from $1.3B at its $300M seed round in September 2025. The AI materials-science startup pairs LLMs and machine learning with robotic lab automation to design and test new materials, and already sells to chipmakers.

• Founded May 2025 by Liam Fedus (former VP Research at OpenAI) and Ekin Dogus Cubuk (ex-DeepMind).
• In early talks for ~$7B valuation (up from $1.3B at September 2025 seed round of $300M).
• Combines LLMs and machine learning with robotic lab automation for materials discovery; already has semiconductor customers.