Nonbank mortgage lenders accounted for a hefty 43.2 percent of single-family mortgages securitized by Fannie Mae and Freddie Mac during the first quarter of 2014, according to a new analysis of loan-level data by Inside Mortgage Finance. Nonbanks delivered $55.8 billion of home loans to the government-sponsored enterprises during the first three months of 2014. That was down 17.7 percent from the previous quarter, but overall GSE business was down even more, by 29.1 percent. Both subsets of the nonbank segment – larger companies that ranked among the top 25 lenders overall and smaller mortgage companies – claimed...[Includes one data chart]