From the start of the Home Affordable Modification Program through the end of 2012, mortgages serviced for the government-sponsored enterprises accounted for the largest share of HAMP Activity. However, beginning this year, mortgages in non-agency mortgage-backed securities and loans in portfolio have overtaken GSE mortgages in terms of total HAMP activity. As of the end of the second quarter of 2013, non-agency mortgages accounted for 51.2 percent of the 1.21 million ... [Includes one data chart]