Explore: Quantum Computing · Cybersecurity · Govtech · MLOps · Seed
Brookhaven Fund
J2 Ventures
J2 Ventures' Brookhaven Fund is a $250 million early-stage investment vehicle focused on dual-use technologies critical to both U.S. national security and commercial markets. The fund targets companies developing advanced computing, cybersecurity, communications, artificial intelligence, and healthcare technologies that can achieve commercial viability while strengthening national resilience.
Brookhaven Fund (J2 Ventures) invests at seed, focuses on Quantum Computing, Cybersecurity, Govtech, MLOps and Digital Health, backs founders in United States.
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United States
Recently backed startups
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Create free accountVerified 29 March 2026 · Sources: company website, Fusion42 review
Frequently asked questions
- What does Brookhaven Fund invest in?
- Brookhaven Fund invests in Quantum Computing, Cybersecurity, Govtech, MLOps and Digital Health at the seed stage.
- Which geographies does Brookhaven Fund focus on?
- Brookhaven Fund focuses on United States, and is headquartered in United States.
- Which startups has Brookhaven Fund backed?
- Brookhaven Fund has 2 tracked investments on Fusion42, including Arkenstone Defense and Sazabi.