Apollo Residential Mortgage, Inc. is a holding company that conducts its business primarily through ARM Operating, LLC and other operating subsidiaries. The Company is primarily engaged in the business of investing in residential mortgage assets in the United States. The Company seeks to generate risk-adjusted returns from its assets to its stockholders over the long term, primarily through dividend distributions and secondarily through capital appreciation. The Company's portfolio consists of agency residential mortgage-backed securities (RMBS), non-Agency RMBS; securitized mortgage loans, and other mortgage and mortgage related investment securities and other mortgage related investments. The Company may invest in a range of other residential mortgage and mortgage-related assets. The Company is externally managed and advised by ARM Manager, LLC, an indirect subsidiary of Apollo Global Management, LLC.