|Arlington Asset Investment Corp. is a principal investment firm that acquires mortgage-related and other assets. The Company acquires residential mortgage-backed securities (MBS), either issued by United States government agencies or guaranteed as to principal and interest by United States government agencies or United States government-sponsored entities (agency-backed MBS). It also acquires MBS issued by private organizations (private-label MBS). It manages a portfolio of mortgage holdings with the goal of obtaining a high risk-adjusted return on capital. The Company acquires direct interests in residential MBS guaranteed as to principal and interest by Fannie Mae or Freddie Mac.