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S3 Ventures

S3 Ventures

Austin, Texass3vc.com

Overview

S3 Ventures is the largest venture capital firm focused on Texas. The firm empowers entrepreneurs with patient capital and resources to grow high-impact companies in business technology, digital experiences, and healthcare technology. S3 leads seed, Series A, and Series B investments, ranging from $500K to $10M, with the capacity to invest $20M+ over the life of a company.

Year Founded

2005

AUM

$900M

Portfolio Companies

46

Website

s3vc.com

Investments

CompanyDateStageLead
Advanced NanoTherapiesJun 2026Series BLead
SchematicApr 2026SeedLead
Endovascular Engineering, Inc.Apr 2026Series CCo-investor
AvtalMar 2026Series ALead
BrainCheckFeb 2026Series ACo-investor
View all investments

Key People

Charlie Plauche

General Partner

Aaron Perman

Partner

Eric Engineer

Partner

Sector & Stage Mix

Industry, funding stage, and valuation band breakdowns.

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Investment Activity

Yearly cadence, pace, and funding raised over time.

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2026

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FAQ

Firmographic Details

HeadquartersAustin, Texas
Year Founded2005
AUM$900M

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