With demand for their bonds running high, issuers of subprime mortgage-backed securities relied less on Fannie Mae and Freddie Mac as investors during the first half of the year, a new analysis by Inside B&C Lending reveals. Through the end of June, subprime issuers packaged $79.86 billion of their MBS production into special classes backed by loans with balances below the conforming loan limit. Overall, so-called “GSE classes” accounted for 35.2 percent of the… [One data table included]