POSCO BioVentures, founded in 2002 as a sub-organization of Posco, is a venture capital and private equity firm headquartered in Carlsbad, California. With a focus on biotechnology, therapeutics, diagnostics, and life science companies, POSCO BioVentures has made 25 investments and holds 5 companies in its portfolio. Notable investments include Accera, Transmedics, Pulmonx, ProteinSimple, PTC Therapeutics, and Nucleonics. The firm primarily invests in companies with novel, proprietary bio-molecules, with early-stage companies comprising approximately one-third of its investments.