›Portfolio Companies

Past, Present and Future Leaders

InterWest is proud and privileged to partner with visionary management teams who are shaping the future of Information Technology and Healthcare. The companies they have started are vital parts of the portfolio of industry-leading startups that InterWest has helped over the last four decades.

Our Companies

Early stage IT and Healthcare Investing



company snapshot


Based in Silicon Valley, Quantance is a semiconductor start-up founded to build the industry’s fastest power supplies. Quantance plans initially to address the mobile wireless market by harvesting the transmit power and efficiency benefits achievable for 3G and 4G/LTE systems using its qBoost™ Envelope Tracking technology.

Investment Team
Vikas Vinayak, CEO
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