Longwood Fund is a US-based venture capital firm specializing in healthcare and life sciences, with a particular focus on biotechnology and therapeutics. The firm typically invests in early to mid-stage companies, including Series A, B, and C rounds. Longwood Fund's investments range from seed funding to private equity, supporting innovative startups in the healthcare sector.

Notable portfolio companies include Axial Therapeutics, Be Biopharma, Grail, and Tome Biosciences. The firm is led by experienced partners with deep industry knowledge and a strong track record in biotech and therapeutics. Longwood Fund offers unique value-add services to its portfolio companies, including strategic guidance, operational support, and access to an extensive network of industry experts and co-investors.