The share of new mortgage originations plowed into mortgage securities dipped slightly in the second quarter of 2005 as Fannie Mae and Freddie Mac continued to face competitive pressure from portfolio lenders as well as the booming non-agency MBS market. According to numbers compiled by Inside MBS & ABS, the equivalent of 65.4 percent of the estimated $780 billion in new residential mortgages made in the second quarter was securitized. This was below the 66.3… [One data table included]