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Harpoon Ventures

Harpoon Ventures is a venture capital firm founded in 2018 that focuses on early-stage investments in deep tech companies, including those in the space sector. They invest in areas like next-gen connectivity and autonomous systems. Their portfolio includes space-related companies such as Astranis Space Technologies and Ursa Major. Harpoon also operates Black Flag, an accelerator program that invests in aerospace, biology, defense, energy, robotics and more.

commercialFounded 2018
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Haystack Ventures led the $5.3 million seed round for EraDrive, with additional participation from Point Nine, Harpoon Ventures, Brave Capital, 2100 VC, and Entropy Industrial Capital.

RelationshipsFinancialValue 4.5Dec 16, 2025EraDrive Raises $5.3M Seed to Bring Self Driving Tech to Orbit
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