It looks like Fannie Mae is taking advantage of an opening in the marketplace to unload some of its legacy non-agency residential MBS. Fannie is moving to divest itself of $1.1 billion in a transaction that was listed this week and expected to trade by week’s end, according to multiple market sources. After the Federal Housing Finance Agency told the government-sponsored enterprises in March to begin selling off at least 5 percent of their illiquid assets, the first round of liquidations took place in mid-May, as Freddie got rid of about $1.0 billion in seasoned non-agency RMBS, with Fannie subsequently selling approximately $2 billion of its multi-family commercial MBS. Round two began...