Stage FocusPre-Seed, Seed
GeographyUS
TypeVC
Last Activity2026
Industry Focus
Industries
AIRoboticsBiotechDefenseQuantumNeurotechSynthetic Biology
Technical BenchStrong
Investor TypeDeepTech Specialist
ExposureMostly DeepTech Investments
Bio
Pebblebed is a pre-seed and seed-stage venture firm based in San Francisco that backs technical founders solving what it calls "self-protecting ideas" — problems that are simple to state but punishing to execute. It leads rounds, typically investing $2M-$5M per company across about 20 investments per fund. Its partners include Pamela Vagata (a founding member of OpenAI and former head of AI at Str...
Notable Investments
A
Augment CodeK
KREAO
OpenMindO
OrchidS
Science CorporationL
Lemurian LabsN
NorthflankC
CedanaA
Anomaly BioU
UlyssesT
Tau RoboticsQ
QernelzooSimilar Funds
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