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CuspAI raises $450 million Series B funding led by Kleiner Perkins and NEA

Funding Provisional 95% confidence first seen

CuspAI, a UK-based materials discovery AI startup, closed a $450 million Series B funding round led by Kleiner Perkins and NEA, valuing the company at $2.6 billion. The round included participation from Jeff Bezos's family office and the UK government's Sovereign AI Fund, with the company planning to use proceeds to expand globally and launch an AI Materials Foundry with major technology partners.

CuspAI Bezos Expeditions Hyundai Jeff Bezos Kleiner Perkins Meta NEA NVIDIA Samsung Sovereign AI Fund

The deal

CuspAI $450 million Series B · announced 20 Jul 2026

Investors Kleiner Perkins NEA Bezos Expeditions Glade Brook Capital Partners Lux Capital Sovereign AI Fund

Deal terms as reported in the coverage below.

Source coverage

Jeff Bezos and Sovereign AI back CuspAI in $450M raise Tech.eu independent CuspAI lands $450m round to accelerate AI materials discovery Sifted independent

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