Ellington Financial Inc., through its subsidiary, Ellington Financial Operating Partnership LLC, acquires and manages mortgage-related, consumer-related, corporate-related, and other financial assets in the United States. The company acquires and manages residential mortgage-backed securities (RMBS) backed by prime jumbo, Alt-A, manufactured housing, and subprime mortgage; RMBS for which the principal and interest payments are guaranteed by the U. S. government agency or the U.