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Lux Capital
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Lux Capital

New York deep-technology venture capital firm backing science-led companies.

Last refreshed: 22 July 2026

Key Question

Why is a New York deep-tech venture firm backing a British AI materials start-up?

Timeline for Lux Capital

#12 20 Jul

State fund surfaces on CuspAI cap table

UK Startups and Innovation
View full timeline →

Background

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.

Common Questions
What is Lux Capital?
Lux Capital is a New York venture capital firm that invests in deep-technology and hard-Science start-ups, including hardware, biotech and frontier engineering companies.Source: CuspAI announcement
Why did Lux Capital invest in CuspAI?
CuspAI named Lux Capital among new investors in its $450m Series B in its own 20 July announcement; Lowdown has not independently verified the firm's rationale.Source: CuspAI announcement
Where is Lux Capital based?
Lux Capital is based in New York.Source: CuspAI announcement
What kind of companies does Lux Capital fund?
Lux Capital focuses on deep-technology and hard-Science start-ups, spanning hardware, biotech and frontier engineering rather than pure software.Source: CuspAI announcement