Harpoon

View the latest news from Harpoon Ventures. Backing founders building mission-critical technologies.

High throughput chips for LLMs. View all Harpoon Ventures investments.

Propelling the future of fully autonomous flight . View all Harpoon Ventures investments.

Radically affordable, mission-adaptable UAS. View all Harpoon Ventures investments.

Reimagining the chemicals industry. View all Harpoon Ventures investments.

Backing founders building mission-critical technologies

Harpoon Ventures closes its fourth fund, an oversubscribed $155 million vehicle that brings the firm's total assets under management above $450 million. Fund IV continues Harpoon's focus on founders building mission-critical technologies in artificial intelligence, deep tech, software infrastructure, and cybersecurity.

Jun 2026 · PR NewswireNews article

Harpoon Ventures and In-Q-Tel developed the Black Flag Investor List to connect U.S. founders with venture firms backing national-security-critical technologies. Harpoon founder Larsen Jensen, a former Navy SEAL and Olympian, says the initiative aims to help the United States out-innovate China in artificial intelligence, energy, and defense.

Nov 2025 · Fox BusinessNews article

Somite AI, a TechBio company developing AI foundation models to accelerate human cell therapy, announces a Series A led by Khosla Ventures, with participation from Harpoon Ventures. The company says the funding supports its work on a universal virtual cell-signaling model.

May 2025 · PR NewswireNews article

Business Insider’s roundup highlights Larsen Jensen, founder and general partner of Harpoon Ventures, among leading defense-technology venture capitalists. Jensen started the San Diego-based early-stage firm in 2018. Harpoon backs enterprise technology considered critical to national security, including companies working across defense, cybersecurity, and artificial intelligence.

Mar 2025 · Business InsiderNews article