Apple Tree Partners is a life sciences venture capital firm focusing on transformative biotechnology companies. They invest across various stages, from pre-IP ideas to spinouts from existing pipelines, primarily in pharmaceuticals, biotech, medtech, and healthcare services. ATP provides flexible capital and strategic support, typically investing from seed stage through IPO and beyond.

Notable portfolio companies include Stoke Therapeutics, Braeburn, and Galvanize Therapeutics. ATP's investment philosophy centers on building sustainable, research-driven enterprises by offering not just funding but also operational resources and strategic insights. The firm's approach involves creating science-based companies and supporting them throughout their growth journey.