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Anduril-backer Lux Capital lands $1.5B for its biggest fund yet to back defence and frontier AI

At a time when venture capital fundraising in the US has slowed to a decade low, Lux Capital has gone in the opposite direction. The 25-year-old firm has closed a $1.5 billion ninth fund, the largest in its history, pushing its assets under management to $7 billion. 

Capital flows toward strategic relevance

Rather than chasing incremental software plays, Lux is doubling down on technologies that intersect with physical systems, computation, and life sciences. The fund will back companies working across defence, aerospace, artificial intelligence, robotics, and energy, areas where technical depth, long development cycles, and government engagement are unavoidable.

Cheque sizes will range from $100,000 to $100m, giving Lux flexibility to seed early scientific ideas or scale capital-intensive businesses. This broad deployment strategy reflects a belief that the next generation of category-defining companies may emerge from labs, factories, and defence programmes rather than consumer apps.

A venture model shaped by geopolitics

More broadly, the fundraise underscores a shift across private markets. Venture investors are increasingly aligning capital with defence, energy security, and frontier science as geopolitical tensions reshape how risk and return are evaluated.

Lux’s new fund is less about chasing trends and more about backing technologies that nations cannot afford to ignore. In today’s climate, that may be where venture capital finds its next enduring winners.

Betting big on what the world needs 

Lux’s reputation has been built on backing frontier science long before it fits neatly into venture narratives. Defense technology is a prime example. Years before global instability and military modernisation reshaped investor appetite, Lux was already active in the space. 

  • Anduril: Building autonomous defense systems that blend software, hardware, and AI for modern military operations.
  • Applied Intuition: Developing simulation and autonomy software trusted by both automakers and the US Department of Defense.
  • Hugging Face: Powering the open-source backbone of modern machine learning and model collaboration.
  • Runway AI: Redefining video and content creation through generative AI tools used by creatives and studios.
  • Recursion Pharmaceuticals: Applying machine learning at scale to accelerate drug discovery and biomedical research.

These were bets on a world where software, autonomy, and national security would increasingly converge.

Lux partner and co-founder Peter Hébert said demand for the fund exceeded capacity. “We want to do more of what we’re doing, but also accelerate the pace and double down on our winners.”

Josh Wolfe, Lux co-founder and managing director, said: “We happen to be in the companies delivering this at a critical time. Many feel very confident that this will be a company-making next few years for some startups.”

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