Harpoon

Overview

Harpoon VC is an early-stage venture capital firm founded in 2018 and headquartered in San Diego, California. It invests in seed and early-stage companies in sectors including artificial intelligence, machine learning, autonomy, enterprise software, fintech, security, space, synbio, deep tech, defense, cybersecurity, and SaaS, with a focus on mission-critical technologies and bridging startups to government buyers. The firm manages approximately $300M in assets under management and has made 79 investments across 20 portfolio companies.¹²⁶

History

Harpoon VC was founded in 2018 by Larsen Jensen, a two-time Olympic medalist and former Navy SEAL.³⁶ The firm has closed four funds, with the most recent in April 2026, and maintains active investment activity with 13 deals in the last 12 months as of recent data.¹³ It has achieved 0 exits from its 20 portfolio companies.¹

Notable Products

• Harpoon Ventures 2026-1 - Seed-stage fund closed in April 2026 targeting early investments in deep tech and defense.
• Harpoon Ventures Fund (Dec 2023) - One of four closed funds supporting early-stage tech startups.
• Harpoon Ventures Fund (Jul 2021) - Earlier fund focused on AI, cybersecurity, and related sectors.

Reputation

Harpoon VC is recognized by investors for its specialized focus on national security-related technologies and government contracting, leveraging founders' military and operational expertise.²⁶ Professionals note its active deal flow and portfolio in prominent companies like Saronic Technologies and Ursa Major.¹ No major criticisms are documented in available sources.