S3 Ventures
General contacts
Investor type
VC
Founded
2007
AUM
$899 M
Location
Austin, Texas, United States
Investor profile last updated: 16 August, 2026
Profile
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.
Industry
S3 Ventures Funds
| Name | Type |
|
|
|
Size | AUM | Launch date |
|---|---|---|---|---|---|---|---|
|
S3 Ventures II
|
Venture Capital (VC)
|
Financial Services
Fintech
Healthcare Services
Marketing and Advertising
SaaS
Security
Software
HealthTech
|
Pre-seed
Seed
|
North America
|
$5-10 m
|
$20 M
|
December 2007
|
|
S3 Ventures III
|
Venture Capital (VC)
|
Financial Services
Fintech
Healthcare Services
Marketing and Advertising
HealthTech
|
Pre-seed
Seed
|
North America
|
$5-10 m
|
$20 M
|
December 2007
|
|
S3 Ventures IV
|
Venture Capital (VC)
|
Financial Services
Fintech
Marketing and Advertising
SaaS
Security
Software
|
Pre-seed
Seed
|
North America
|
$5-10 m
|
$75 M
|
September 2011
|
|
S3 Ventures VII
|
Venture Capital (VC)
|
Financial Services
Fintech
Healthcare Services
Marketing and Advertising
SaaS
Security
Software
|
Pre-seed
Seed
|
North America
|
$5-10 m
|
$250 M
|
March 2022
|
|
S3 Ventures
|
Venture Capital (VC)
|
Education
Fintech
Healthcare Services
Marketing and Advertising
Software
|
Series A
|
North America
|
$50-100 m
|
$1000 M
|
September 2026
|
Contacts
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Title
Email
Social Networks
Investment-team contacts for S3 Ventures — including verified work emails and LinkedIn profiles — are available to Private Equity List subscribers.
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Instant access on the web. Plans from $129/month — see pricing.
Contacts sourced from the firm's website and LinkedIn, re-verified on a rolling cycle. Spot a stale contact, or none at all? Report it — we re-run that firm within 48h and get back to you.
FAQs about S3 Ventures
Is S3 Ventures a venture capital or private equity firm?
S3 Ventures is a venture capital firm. It backs companies at Seed, Series A and Series B, writing tickets of $1-5 m.
Where is S3 Ventures located?
S3 Ventures is located in Austin, Texas, United States.
When was S3 Ventures founded?
S3 Ventures was founded in 2007.
What sectors and industries does S3 Ventures invest in?
S3 Ventures invests in companies and startups in Software, Marketing and Advertising, Healthcare Services, Fintech, Education, Digital, Hardware, IT Services, Medical Devices, Developer Tools, Financial Services, SaaS, Security, HealthTech.
What is S3 Ventures geographical focus of investments?
S3 Ventures invests in companies and startups in North America.
At what stages of companies and startups does S3 Ventures typically invest in?
S3 Ventures invests in companies and startups at Seed, Series A, Series B.
What is the usual amount of S3 Ventures investment?
S3 Ventures usually invests $1-5 m on average.
What is the amount of assets of under management (AUM) for S3 Ventures?
S3 Ventures has around $899m assets under management.
When was S3 Ventures last fund created?
S3 Ventures last fund was created/launched in 2022-03-09
What are the contacts of S3 Ventures?
S3 Ventures can be reached through its website s3vc.com, its LinkedIn page and its X account. Its general enquiries address is [email protected]. Cold-mailing a general inbox rarely reaches a partner, so Private Equity List also lists the investment-team contacts for S3 Ventures — names, roles, verified work emails and LinkedIn profiles — available on a Pro plan from $129/month (see pricing). Contacts are sourced from the firm's website and LinkedIn and re-verified on a rolling cycle. Spot a stale contact, or none at all? Report it — we re-run that firm within 48h and get back to you.
Can I access S3 Ventures data via API or MCP?
Yes. Every field on this page — profile, funds, investment criteria, portfolio and investment-team contacts — is available programmatically through the Private Equity List REST API and MCP server, so AI assistants such as Claude and ChatGPT can query S3 Ventures directly instead of scraping this page. One subscription covers both the web app and machine access — see API & MCP.
When was the S3 Ventures profile last updated?
Private Equity List re-verifies investor profiles on a rolling cycle, pulling from the firm's own website and LinkedIn rather than a one-off import. This profile was last updated on 16 August, 2026. Something out of date here? Report it — we re-run that firm within 48h and get back to you.