About 14.1 percent of the mortgages securitized by Fannie Mae and Freddie Mac during the first quarter of 2013 had private mortgage insurance coverage, but those loans were sold by some 1,631 different lenders, according to a new analysis by Inside Mortgage Finance. Although Wells Fargo ranked as the top seller of MI-insured loans to the government-sponsored enterprises, with $9.85 billion in volume, over half of those mortgages were originated by correspondent lenders that may have played a role in deciding which private MI to use. Looking only at retail originations, Quicken Loans was...[Includes one data chart]