Harpoon Ventures

An early-stage venture capital firm investing in AI, deep tech, software infrastructure, and cybersecurity.

Venture Capital Active San Diego, United States Est. 2018
Last updated 2026-07-20
Portfolio
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About

Harpoon Ventures is an early-stage venture capital firm founded in 2018 by Larsen Jensen, a two-time Olympic medalist and former Navy SEAL. The firm focuses on investing in dual-use technologies—commercial products with applications in both the private sector and federal agencies. With $300 million in assets under management, Harpoon Ventures has backed approximately four dozen startups. They are known for their active involvement with portfolio companies, offering strategic guidance and operational expertise. Harpoon Ventures invests in early-stage technology companies that focus on foundational technologies critical to national security, looking for startups in sectors such as AI, cybersecurity, and defense, particularly those that can navigate government procurement processes. They primarily invest in pre-seed, seed, and Series A rounds, with selective follow-on investments in later stages. Harpoon Ventures has a mission to back bold leaders shaping the next era of American innovation.

Portfolio

No portfolio companies in this dataset yet.

Investment activity

Portfolio by sector

Cyber Security1
Health Tech & Life Sciences1

Q&A

What is Harpoon Ventures' most recent investment?
Harpoon Ventures most recently invested in Somite.ai in May 2025, participating in their Series A round which raised $57.5M.
What is Harpoon Ventures' earliest recorded investment?
Harpoon Ventures' earliest recorded investment was in Cyabra in October 2021, participating in their Public funding stage which raised $16M.
Which sectors does Harpoon Ventures focus on?
Harpoon Ventures has invested in companies within the Cyber Security and Health Tech & Life Sciences sectors.
What is the typical investment stage for Harpoon Ventures?
Harpoon Ventures has participated in two A Round investments.
Can you name some of Harpoon Ventures' portfolio companies?
Harpoon Ventures' portfolio includes Cyabra, a company focused on restoring trust and authenticity for global enterprises and governments, and Somite.ai, an AI-based platform producing human tissue for cell-based therapies.
What is the investment range for Harpoon Ventures?
Harpoon Ventures' investment range is between $5.6M and $47.5M.
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Identifiers & details

Founded2018