Fannie Mae was able to gain some ground on Freddie Mac during the third quarter of 2005, although the smaller GSE has been hanging tough – in part – by keeping up its portfolio purchases. According to recent data gathered by Inside The GSEs, Fannie and Freddie produced a total of $646 billion in mortgage-backed securities through the first nine months of the year. Fannie was able to garner 58.2 percent of the GSE market… [One data table included]