S3 Ventures

Alleviant Medical is focused on developing interatrial shunt therapy for patients with heart failure, currently evaluating its effectiveness through FDA-approved clinical trials.

Allstacks is a Software Engineering Intelligence Platform that provides on-demand exhaustive AI-analysis, complete visibility into engineering investments, and tools for project forecasting and developer experience.

Arpio.com is a domain for sale. The company is not currently active.

Atmosphere TV is the largest streaming TV platform built for businesses, providing engaging entertainment and digital signage solutions tailored for commercial environments.

BuildForce is a workforce management platform that specializes in connecting electrical contractors with qualified electricians. It offers tools for hiring, managing, and tracking electricians efficiently, ensuring projects stay on schedule and within budget.

CereTax is a cloud-native, AI-powered platform that automates sales tax calculation, validation, and compliance for businesses managing complex transactions across multiple jurisdictions. It provides transparent logic, audit-ready reporting, and seamless integrations with existing systems.

ControlRooms is an AI troubleshooting assistant designed for chemical processing plants, helping to detect issues early and alert the right teams to mitigate risks and improve operational efficiency.

Crogl is an AI-driven security platform that automates the investigation of security alerts, enabling security analysts to focus on critical threats while ensuring every action is documented and auditable.

Flex Vascular is a pioneering medical device company specializing in vessel preparation and access management for arteriovenous (AV) fistulas and grafts, as well as peripheral vascular disease. The company's flagship technology, the FLEX Vessel Prep™ System, utilizes proprietary Kinetic Endovascular Micro-incision Creation (KEMIC) technology to optimize vessel preparation.

Folia Health provides a platform for individuals to track their health and share insights to improve personalized healthcare. It focuses on home-reported outcomes to help patients and researchers understand chronic conditions better.

Hydrolix provides a real-time data platform designed for high-volume log data management and analytics, enabling observability across distributed infrastructures.

Founded by native New Yorkers, they focus on advancing the future of New York's tech ecosystem.

Data-obsessed venture fund focused on infrastructure for complex, regulated or fragmented systems across continents. Pairs a small core team with a deep sector-specific advisor network including CEOs, former Nike/Uber executives, and founders, while embedding sustainability as core investment criteria.

Early-stage investor deeply embedded in University of Chicago Booth, specializing in fintech, insurtech and blockchain/Web3 infrastructure, offering technically fluent partners and access to Booth MBA interns via VC Lab.

Alpha Edison is a knowledge-driven venture firm that uses AI, data, and behavioral science to identify "silent suffering" where customers tolerate bad solutions. The firm backs companies that can unlock entirely new addressable markets rather than competing in existing ones. Alpha Edison systematically logs every investment decision and quarterly reviews missed opportunities to learn from their mistakes, while their cognitively diverse team of PhDs and people from different backgrounds formally tears apart ideas from multiple angles before deploying capital.