Harpoon Ventures

VC firm · San Diego, CA

Verified active in the last 12 monthsSEC-registered adviser

Venture firm based in San Diego, CA. Most recent fund on file: Harpoon Ventures Fund IV, L.P. ($140M offering), filed Feb 2026. 2 deal vehicles (SPVs) filed with the SEC since Apr 2026.

“Backing founders building mission-critical technologies” (from the firm’s website)

Stages: Seed, Series A
Typical check (est.): $1.4M–$4.2M
Latest fund: $140M · Feb 2026
Last verified activity: Sep 2026

Focus

Biotech & PharmaAI & MLDeep TechClimate & Energy

Funds and vehicles on SEC file

Harpoon Ventures 2026-3, LLC
Deal vehicle · $1.76M offering
Sep 2026
Harpoon Ventures 2026-1, LLC
Deal vehicle · $1.05M offering
Apr 2026
MA-0104 Fund I, a series of Harpoon Opportunities II, LP
Deal vehicle · $1.04M offering
Feb 2026
Harpoon Ventures Fund IV, L.P.
Fund · $140M offering
Feb 2026
AA Fund I, a series of Harpoon Opportunities II, LP
Deal vehicle · $1.63M offering
Jul 2025
VD Fund I, a series of Harpoon Opportunities II, LP
Deal vehicle · $600K offering
Jul 2025
AS-1112 Fund I, a series of Harpoon Opportunities II, LP
Deal vehicle · $532K offering
Dec 2024
SE Fund I, a series of Harpoon Opportunities II, LP
Deal vehicle · $1.2M offering
Dec 2024
Harpoon Ventures Fund IV, L.P.
Fund · $124M offering
Dec 2023
Harpoon Ventures Fund IV-A, L.P.
Fund
Nov 2023

Sources

SEC Form D: Harpoon Ventures 2026-3, LLCSep 24, 2026
SEC Form D: Harpoon Ventures 2026-1, LLCApr 2, 2026
SEC Form D: Harpoon Ventures Fund IV, L.P.Feb 9, 2026
SEC Form D: Harpoon Ventures Fund IV, L.P.Dec 8, 2023
SEC Form D: Harpoon Ventures Fund IV-A, L.P.Nov 29, 2023
SEC adviser record: Harpoon Management, LLCMar 26, 2026
Firm websiteOct 12, 2026
SEC Form D: MA-0104 Fund I, a series of Harpoon Opportunities II, LPFeb 19, 2026
SEC Form D: AA Fund I, a series of Harpoon Opportunities II, LPJul 31, 2025
SEC Form D: VD Fund I, a series of Harpoon Opportunities II, LPJul 23, 2025

Profile last verified Oct 12, 2026. Is this you? Correct or remove this profile.