Long River Ventures (also branded as LRVHealth) is a Boston, Massachusetts–based early-stage venture capital firm that specializes in backing healthcare and health-technology companies addressing structural challenges within the U.S. healthcare system. It has invested as an institutional partner since around 2000, providing seed and early growth capital alongside strategic engagement and network access to founders in HealthTech, medical devices, healthcare IT, and related services. The firm emphasizes deep domain expertise and collaboration with leading healthcare organizations to help portfolio companies scale solutions that improve care delivery and outcomes. Long River Ventures has participated in notable healthcare investments including GetWellNetwork, Phreesia, Intelycare, Medventive, Diameter Health, and Verata (Olive). Its activities reflect a long-running, sector-focused approach to venture investing that combines capital with operational and industry insight.