Mortgage lenders poured a record $104.1 billion of jumbo mortgages into the non-agency MBS market during the second quarter of 2005 and – for the first time ever – most of the loans didn’t go into prime MBS. A total of $57.2 billion of loans exceeding the Fannie/Freddie purchase limits were securitized in Alt A and subprime MBS during the second quarter, or 57.2 percent of total jumbo securitization. The volume of jumbo loans securitized… [One data table included]