Lux Capital calls its mission "turning sci-fi into sci-fact" — and few firms have embodied it better. A 25-year-old New York venture firm (with offices on both coasts), Lux was an early believer in defence technology, AI and frontier science long before geopolitics and ChatGPT made them fashionable. On 7 January 2026 it closed its ninth fund at $1.5 billion — the largest fund in the firm's history — bringing assets under management to roughly $7 billion, even as US venture fundraising hit a decade low.
Overview and thesis
Lux's founding insight: category-defining companies emerge from labs, factories and defence programmes, not just consumer apps. The firm backs technologies where physical systems meet computation and life sciences — areas where technical depth, long development cycles and government engagement are unavoidable. As its homepage puts it: "We believe before others understand."
Sectors and stages
Coverage spans defence, aerospace, artificial intelligence, robotics, energy, life sciences and quantum. Cheque sizes are unusually flexible — from $100,000 to $100 million — letting Lux seed bold scientific ideas and also scale capital-intensive businesses. The firm invests from seed through growth, often as an early believer before mainstream validation.
Fund size
The $1.5 billion ninth fund (announced January 2026) is Lux's biggest ever, closed despite 2025 marking a 10-year low in US venture fundraising — a vote of LP confidence in the firm's long-term performance and early positioning in strategically critical sectors.
Notable portfolio
Lux was a seed-stage investor in Anduril — last valued at $30.5 billion — and in Applied Intuition, the autonomous-vehicle software company that secured Pentagon contracts and reached a $15 billion valuation. Its early AI bets include Hugging Face, Runway AI and MosaicML — the latter acquired by Databricks for $1.3 billion in 2023. Life-sciences exits include Recursion Pharmaceuticals (IPO, 2021) and Auris Health, sold to Johnson & Johnson for up to $6 billion in 2019. Current standouts on the firm's roster include Databricks, Cognition, Physical Intelligence and Ramp.
Partners and team
Lux's team blends technical depth with operators who have lived inside frontier industries — a deliberate build for sectors where scientific judgement matters as much as dealcraft. The firm's voice, from its Riskgaming strategic-scenario programmes to its long-running newsletter and podcast, reflects a culture of rigorous, contrarian thinking.
Programs and resources
Beyond capital, Lux offers Riskgaming — immersive strategic-scenario exercises for portfolio teams — plus full-immersion and salon experiences for larger audiences, a widely read newsletter and a podcast. For founders in defence, deep tech and life sciences, this programming doubles as a network: the room is full of the people who shape those industries.
Why it matters for founders
Lux is the specialist you call when your startup looks like science fiction to everyone else. It seeded Anduril and Hugging Face before either was fashionable, writes cheques from $100k to $100M so it can meet you at any stage, and just raised $1.5B — the biggest defence-and-frontier-science war chest in its history. If you are building in AI, robotics, space, energy or biotech and need investors who understand the lab as well as the market, Lux should be on your shortlist.