The massive losses taken by the government-sponsored enterprises on their non-prime holdings are not over yet. Fannie Mae and Freddie Mac warned this month that they expect greater credit losses for 2011 than the hits they took last year, largely due to the continued poor performance of legacy non-prime acquisitions. The GSEs had a combined $430.51 billion in non-prime holdings as of the second quarter of 2011, according to a new ranking and analysis by Inside Nonconforming Markets. ... [includes one data chart]