Stage FocusSeed, Series A, Series B+
GeographyUS
TypeVC
Last Activity2025
Industry Focus
Industries
DefenseAISpaceSemiconductorsBiotechFusionEnergy TechAerospaceAdvanced MaterialsCybersecurityHardwareRobotics
Technical BenchStrong
Investor TypeDeepTech Purist
ExposureMostly DeepTech Investments
Bio
Harpoon Ventures was founded in 2018 by Larsen Jensen — a Navy SEAL and 2x Olympic medalist — and manages $380M+ across 47 investments. The "Freedom Stack" thesis covers the technologies underlying US strategic advantage: AI, semiconductors, biotech, space, autonomous systems, nuclear energy, and cybersecurity. Portfolio companies include MatX (AI chips), Merlin Labs (autonomous flight), Aalo Atom...
Notable Investments
M
MatXM
Merlin LabsS
SolugenA
Aalo AtomicsA
AstranisF
Firestorm LabsSimilar Funds
In-Q-Tel
Arlington, United States
Pure DeepTechDefenseAISpaceSeedSeries A
Lux Capital
New York, United States
Pure DeepTechDefenseBiotechSpaceSeedSeries A
Presto Tech Horizons
Prague, Czechia
Pure DeepTechDefenseSpaceCybersecuritySeedSeries A
360 Capital
Paris, France
Pure DeepTechClimate TechAIRoboticsPre-SeedSeed
Lockheed Martin Ventures
Bethesda, United States
GeneralistDefenseSpaceAISeedSeries A
NATO Innovation Fund
Amsterdam, Netherlands
Pure DeepTechDefenseQuantumAISeedSeries A