Fannie Mae and Freddie Mac mortgage-backed securities remained the preferred investment choice of the 12 Federal Home Loan Banks during the second quarter of 2012, with a modest 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 an ever-so-slight decline within the FHLBank system during the period ending June 30, 2012. GSE MBS accounted for 72.0 percent of combined FHLBank MBS portfolios, up 2.7 percent from the first quarter. The Finance Agencys data do not separately break out Fannie and Freddie volume or share.