Founded in 2001 and headquartered in Sacramento, California, American River Ventures focuses on investing in new technology companies in sectors such as energy efficiency, advanced materials, semiconductors, and software. With a preference for startups that are 4-5 years old, the firm typically invests in rounds with 3-4 participants and has a track record of committing more exits than other companies. Some of their notable portfolio startups include WiSpry, PatientSafe Solutions, and Lumetric Lighting. American River Ventures has a strong network of co-investors and industry professionals, providing valuable support to their portfolio companies.