S3 Ventures
Founded in 2007, S3 Ventures is a venture capital firm based in Austin, Texas. It specializes in Series A to C investments, focusing on information technology, medical devices, enterprise software, SaaS, marketing, financial services, and sales sectors. The firm primarily invests in the Southwestern United States, with a focus on Texas and Austin. S3 Ventures typically considers equity transactions of $10 million to $20 million, aiming for exits through acquisition or IPO.
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Past deals in Mechanical Engineering
Endovascular Engineering
Series B in 2025
Endovascular Engineering is a preclinical stage company dedicated to advancing innovative mechanical thrombectomy solutions for peripheral medical conditions. The firm specializes in the development of clot removal technologies specifically designed to address venous thromboembolism, which encompasses critical health issues such as pulmonary embolism and deep vein thrombosis. By focusing on these areas, Endovascular Engineering aims to equip healthcare professionals with efficient and effective tools to enhance patient outcomes in the management of these vascular conditions.
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