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Office Locations:
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6300 Bridge Point Parkway
Building One, Suite 405
Austin, TX 78730
Phone: 512-258-1759
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Communications & Networking
Information Technology
Life Sciences & Healthcare
Software & Internet
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S3 Ventures is a group of entrepreneurs with $600 million under management who have successfully built technology companies. Each partner has been a CEO or operating executive of at least one successful technology firm. S3 was founded in 2007 with a $20 million fund. It went on to raise a second $20 million fund, then a $25 million fund and a $30 million fund. S3 announced in June 2013 that it had raised a $75 million fund. S3 invests primarily in early stage ventures, including companies with just a management team, or a more defined company seeking to launch after significant engagement with customers and a technology that is approaching market readiness. Investment sizes can start at $250,000 for a seed round, and move to several million for a more traditional Series A or B financing. S3 invests primarily around the Southwest with a focus on Texas. The firm makes Seed, Series A, and Series B investments across three sectors:
Business Technology, Digital Experiences, and Healthcare Technology.
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Investment Firm Key
VC = Venture Capital
PE = Private Equity
A = Angel
I = Incubator
MB = Merchant Bank
VD = Venture Debt
FI = Family Investment Office
FOF = Fund of Funds
ED = Economic Development Office
TT = Technology Transfer Office
CVC = Corporate Venture Capital
SEC = Secondary Purchaser
HF = Hedge Fund/Mutual Fund
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| COMPANY STAGE | REVENUE |
| Venture Capital | |
Seed Stage
(includes "pre-seed," or
concept stage) | No Revenue |
| Early Stage | Minimal
Revenue |
Growth Stage
(also called Mid-stage) | $2M-$7M |
Expansion Stage
(also called Late-stage) | $7M and greater |
| Private Equity | |
| Lower Middle Market | $10M-$249M |
| Middle Market | $250M-$499M |
| Upper Middle Market | $500M-$1B |
| Large Cap | >$1B |
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Get the complete investment team + individual email addresses for investment team partners. Get personal images, LinkedIn links, investment specialties, office locations and more with a National Database subscription.
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| Aaron Perman | |
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Partner | |
| Brian R. Smith | |
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Managing Director | |
| Charlie Plauche | |
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General Partner | |
| Eric Engineer | |
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Partner | |
| Joe Curry | |
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Vice President | |
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Date
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Name
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State
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Amount
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Stage
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06/04/2026
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Arpio
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NC
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$15,000,000
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Series A
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04/22/2026
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Schematic
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CO
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$6,500,000
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Venture
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04/13/2026
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Endovascular Engineering
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CA
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$80,000,000
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Series C
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03/20/2026
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Avtal
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TX
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$24,000,000
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Seed and Series A
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02/26/2026
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BrainCheck
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TX
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$13,000,000
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Series A
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12/10/2025
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Opine
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NC
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$5,000,000
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11/18/2025
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VahatiCor
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CA
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$23,000,000
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Series B
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10/29/2025
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VentureMed Group
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MN
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$28,000,000
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Series C
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09/15/2025
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Nestimate
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NE
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$3,000,000
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