Fannie Mae and Freddie Mac continued their conservatorship march toward smaller retained mortgage portfolios during the second quarter of 2014, with most of the focus on non-agency collateral, according to a new analysis by Inside MBS & ABS. The two government-sponsored enterprises ended June with a combined $872.7 billion in mortgage-related holdings, down 3.3 percent from the previous quarter. Compared to a year ago, their combined portfolio was down 19.7 percent. It was down 45.2 percent from the $1.592 trillion they held in the fourth quarter of 2008 shortly after the two were put in conservatorship. The biggest decline has been...[Includes one data chart]