Active: new fund Feb 2026 Verified 4 Nov 2026
Harpoon Ventures
San Diego venture firm founded in 2018 backing mission-critical technology companies in AI, cybersecurity, infrastructure and deep tech.
- Type
- VC firm
- Location
- San Diego, California, United States
- Backs
- B2B software, Hardware, Deep tech
- Sectors
- AI, Mobility, Space, Defense, Cybersecurity, Deep tech, Devtools
- Fund size / AUM
- $140M Harpoon Ventures Fund IV (Form D offering, 2026)
- Latest fund or filing
- 9 Feb 2026
- Portfolio mix
- B2B software 34%; Hardware 31%; Deep tech 21%; Climate and energy 7%; Biotech and pharma 7% (n=29)
- Website
- www.harpoon.vc
Fund filings (SEC Form D)
- Latest fund on file
- Harpoon Ventures Fund IV
- Filed
- 9 Feb 2026 (new notice)
- Fund size
- $140M (total offering)
- Fund vehicles filed in the last 12 months
- 1 (includes feeder and parallel vehicles)
See this fund's filings on SEC EDGAR
Contacts on file
For Harpoon Ventures, the paid file holds: 3 named decision-makers with roles; LinkedIn page.
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Notable investments
Solugenn8nAstranisAalo AtomicsMatX
Sources
- www.sec.gov/Archives/edgar/data/2101862/000210186226000001/
- adviserinfo.sec.gov/firm/summary/305129
- www.harpoon.vc/
Last checked 4 Nov 2026. Is something wrong? Tell us.
Appears in 31 lists
Venture capital firms in San Diego (25)Defense tech investors in California (45)Mobility investors in California (48)Space investors in California (53)Cybersecurity investors in California (83)Developer tools investors in California (86)Mobility venture capital firms in the US (120)Space venture capital firms in the US (120)Hardware investors in California (120)Defense tech venture capital firms in the US (130)Deep tech investors in California (138)Developer tools venture capital firms in the US (177)Space investors (182)Mobility investors (192)Defense tech investors (196)Cybersecurity venture capital firms in the US (214)Developer tools investors (216)Hardware venture capital firms in the US (272)Cybersecurity investors (316)Deep tech venture capital firms in the US (322)Hardware investors (333)SaaS investors in California (433)AI investors in California (464)Deep tech investors (763)Venture capital firms in California (1,038)SaaS venture capital firms in the US (1,049)AI venture capital firms in the US (1,112)SaaS investors (1,529)Active venture capital firms in the US (1,574)AI investors (1,576)Venture capital firms in the US (2,975)