PennyMac Financial Services, Inc. operates as a holding company. The firm engages in the production and servicing of U.S. residential mortgage loans. It operates through the following segments: Production, Servicing, and Investment Management. The Production segment includes mortgage loan origination, acquisition, and sale activities. The Servicing segment offers servicing of originated mortgage loans and execution and management of early buyout transactions. The Investment Management segment consists of sourcing, performing diligence, bidding and closing investment asset acquisitions, managing correspondent production activities and managing the acquired assets. The company was founded by Stanford L. Kurland on July 2, 2008 and is headquartered in Westlake Village, CA. The listed name for PFSI is PennyMac Financial Services, Inc. Common Stock.