S3 Ventures

S3 Ventures company information, Employees & Contact Information

Updated May 2026

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S3 Ventures is a Venture Capital and Private Equity Principals company and founded in 2005. It has approximately 22 employees on record. Contact data was last refreshed in May 2026. Find S3 Ventures's verified employee emails, phone numbers, headquarters address, and key decision makers below.

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Based in Austin for 20+ years, S3 Ventures is the largest venture capital firm focused on Texas. We empower visionary founders with the patient capital and true resources required to grow extraordinary, high-impact companies in Business Technology, Digital Experiences, and Healthcare Technology. We lead Seed, Series A, and Series B investments ranging from $500K to $10M with the capacity to invest $20M+ over the life of a company. With $900M+ in assets under management, our 50+ investments have raised nearly $2 billion in financing and 20+ to-date have exited. Since our inception, we have been backed by single philanthropic family with a multi-billion-dollar foundation. With this sole-LP structure, we are undistracted by fundraising and unencumbered by many of the constraints faced by traditional VC firms — better aligning us with the needs of founders. Learn more at www.s3vc.com.

Company Details

Employees
22
Founded
-
Address
Austin, Tx
Phone
(512) 258-1759
Email
ma****@****3vc.com
Industry
Venture Capital And Private Equity Principals
NAICS
Miscellaneous Intermediation
Website
s3vc.com
HQ
Austin, TX
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News

S3 Ventures Announces Investment Team Promotions - Newswire.com

S3 Ventures Announces Investment Team Promotions Newswire.com

Mavvrik Closes $6.2MM Seed Round - citybiz

Mavvrik Closes $6.2MM Seed Round citybiz

Sunthetics Secures $4 Million Seed Round to Revolutionize Chemical Industry with AI-Powered Innovation - PRWeb

Sunthetics Secures $4 Million Seed Round to Revolutionize Chemical Industry with AI-Powered Innovation PRWeb

Folia Health Secures $10.5M in Funding to Transform Healthcare and Research With Patient-Reported Information - GlobeNewswire

Folia Health Secures $10.5M in Funding to Transform Healthcare and Research With Patient-Reported Information GlobeNewswire

CereTax Secures $9 Million to Drive Innovation and Expand the Team - PR Newswire

CereTax Secures $9 Million to Drive Innovation and Expand the Team PR Newswire

Alleviant Medical Closes $75M in Financing - citybiz

Alleviant Medical Closes $75M in Financing citybiz

Hydrolix Closes $35M Series B Amid 10x Growth for Streaming Data Lake Offering - PRWeb

Hydrolix Closes $35M Series B Amid 10x Growth for Streaming Data Lake Offering PRWeb

Sumatra Raises Seed Round to Launch Real-time Data Platform - PR Newswire

Sumatra Raises Seed Round to Launch Real-time Data Platform PR Newswire

Prokeep raises $9 Million in Seed Round Led by Ironspring Ventures to Modernize Distributor Communications and Commerce - PR Newswire

Prokeep raises $9 Million in Seed Round Led by Ironspring Ventures to Modernize Distributor Communications and Commerce PR Newswire

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