The retained mortgage investments of Fannie Mae and Freddie Mac declined by 17.5 percent over the course of 2016, keeping the two government-sponsored enterprises on track to meet targets set as conditions of their conservatorships. The two GSEs reported a combined $570.78 billion in retained mortgage investments at yearend, down 7.3 percent from September. The biggest decline was in their holdings of MBS, which fell 23.8 percent for the year. Back in the early 2000s, Fannie and Freddie were...[Includes one data table]