
Lux Capital
New York deep-technology venture capital firm backing science-led companies.
Last refreshed: 22 July 2026
Why is a New York deep-tech venture firm backing a British AI materials start-up?
Timeline for Lux Capital
State fund surfaces on CuspAI cap table
UK Startups and InnovationBackground
CuspAI's 20 July announcement listed Lux Capital among new investors joining the AI materials start-up's $450m Series B, a name that had not previously appeared in Lowdown's coverage of the round.
Lux Capital is a New York venture capital firm known for backing deep-technology and hard-Science start-ups, including hardware, biotech and frontier engineering companies, rather than confining itself to software investing.
Its appearance alongside a Dutch state vehicle and Britain's Sovereign AI Unit on the same cap table illustrates how AI materials start-ups are drawing a mixed investor base spanning private deep-tech specialists and public capital. Lowdown has not independently verified Lux Capital's participation beyond CuspAI's own announcement.