Fannie Mae and Freddie Mac mortgage-backed securities remained the preferred investment choice of the 12 Federal Home Loan Banks during the fourth quarter of 2013, though with a negligible increase from the previous quarter, according to a new analysis and ranking by Inside The GSEs based on data from the Federal Housing Finance Agency. Meanwhile, Ginnie Mae securities posted a sizable increase within the FHLBank system during the period ending Dec. 31, 2013. GSE MBS accounted for 74.9 percent of combined FHLBank MBS portfolios, 0.3 percent from the third quarter. The Finance Agency’s data do not separately break out Fannie and Freddie volume or share.