Stage FocusSeed, Series A, Series B+
GeographyUS
TypeVC
Last Activity2026
Industry Focus
Industries
AIMedtechCybersecurity
Technical BenchLimited
Investor TypeGeneralist
ExposureMinimal DeepTech Investments
Bio
645 Ventures is an early-stage venture capital firm based in New York and San Francisco, founded in 2013. It invests from seed through growth and late stage, with typical checks of $1M-$5M at seed, $5M-$10M at Series A, and $5M-$15M at growth stage.
The firm invests across seven stated areas: Enterprise, Deep Tech, AI Infrastructure/DevTools, Fintech, Consumer, Cybersecurity, and Health Tech. Its...
Notable Investments
S
SquireI
Inner BalanceSimilar Funds
BC
Bain Capital Ventures
Boston, United States
GeneralistAIRoboticsCybersecuritySeedSeries A
Bessemer Venture Partners
Menlo Park, United States
GeneralistAISpaceClimate TechSeedSeries A
FF
Florida Funders
Tampa, United States
GeneralistAIAerospaceMedtechPre-SeedSeed
H(
HPA (Hyde Park Angels)
Chicago, United States
GeneralistAIMedtechCybersecuritySeedSeries A
IV
Icon Ventures
Palo Alto, California, United States
GeneralistAIMedtechCybersecuritySeedSeries A
LG Technology Ventures
Seoul, South Korea
GeneralistAIAdvanced MaterialsMedtechSeedSeries A