Fannie Mae and Freddie Mac suffered lower losses on their nonprime mortgage holdings in 2012 compared with previous years as mortgage performance has stabilized and investor demand for vintage non-agency mortgage-backed securities has increased. However, the government-sponsored enterprises have not realized profits on their vintage non-agency MBS holdings as they have employed a buy-and-hold strategy since 2008. The GSEs held a combined $103.4 billion of nonprime MBS in portfolio and ... [Includes one data chart]