Stage FocusSeed, Series A, Series B+
GeographyUS
TypeVC
Last Activity2026
Industry Focus
Industries
MedtechHardware
Investor TypeGeneralist
ExposureSome DeepTech Investments
Bio
S3 Ventures is a venture capital firm founded in 2005 and based in Austin, Texas, backed by a single philanthropic limited partner that lets it invest without the fundraising cycles of a traditional VC. Over 20 years it has built more than $1 billion in assets under management, leading Seed, Series A and Series B rounds with initial checks of $500K-$15M and the capacity to deploy $25M+ into a comp...
Notable Investments
A
Acessa HealthT
TVA MedicalS
SaranasS
SpectraWAVEA
Alleviant MedicalE
Endovascular EngineeringF
Flex VascularA
AlkamiL
LevelsetL
LiquibaseL
LeanDNAM
MythicSimilar Funds
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C
CincyTech
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GeneralistMedtechBiotechAISeedSeries A
SV
Shoreline Venture Management
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GeneralistMedtechAIHardwareSeedSeries A
2H
25M Health
New York, United States
GeneralistMedtechAIPre-SeedSeed
7V
7wire Ventures
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GeneralistMedtechSeedSeries A
AV
Aberdare Ventures
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GeneralistMedtechSeedSeries A