Ellington Financial, Inc. engages in the provision of investment services. It operates through the Investment Portfolio and Longbridge segments. The Investment Portfolio segment is focused on investing in a diverse array of financial assets, which includes residential and commercial mortgage loans, residential mortgage-backed securities, commercial mortgage-backed securities, and consumer loans. The Longbridge segment consists of the origination and servicing of reverse mortgage loans. The company was founded on July 9, 2007 and is headquartered in Old Greenwich, CT.