Partner Fund Management (PFM) is a San Francisco-based investment management firm specializing in long/short equity strategies. Founded in 2004 by Christopher James, the firm focuses on identifying mispriced securities through fundamental research and employs a flexible investment approach to capitalize on market inefficiencies. PFM's team comprises experienced professionals with diverse backgrounds in finance, research, and operations, enabling them to analyze complex investment opportunities across various sectors and geographies.

The firm's investment philosophy emphasizes risk management, transparency, and alignment of interests with clients. PFM has a history of delivering strong -adjusted returns and has managed assets for a diverse client base, including institutional investors, family offices, and high-net-worth individuals.