Topspin Partners is a private equity and venture capital firm in New York that focuses on investing in companies headquartered in the United States and operating in the niche consumer, health and wellness and information service sectors. Founded 2000 in Roslyn Heights, New York, United States by Leigh J. Randall, Leo Guthart, and Stephen M. Lebowitz, it invests in early stage ventures, late stage ventures, series C, series E, series D, and post-IPO equity rounds. Its portfolio companies Codagenix, Celmatix, PMV Pharmaceuticals, Constellation Pharmaceuticals and ORIC Pharmaceuticals. As of March 2020, Topspin Partners has made 43 investments. Their most recent investment was on January 13, 2020, when Codagenix raised $20M. Topspin Partners has had 13 exits, the most notable of which include comScore, Alector, and NGM Biopharmaceuticals. The company has raised two funds, their latest being Topspin Partners. This fund was announced on January 1, 2000 and raised a total of $213M.