Securitization of mortgage loans over the Fannie/Freddie conforming limit slowed sharply in the first quarter of 2006, according to the Inside Mortgage Finance MBS Database. Some $99.2 billion of jumbo mortgages were funneled into the non-agency MBS market during the first three months of 2006, down 20.8 percent from the fourth quarter of last year. It did, however, represent a sizable 23.4 percent jump from the first three months of 2005. … [One data table included]