Fannie Mae and Freddie Mac are still titans in the residential MBS market when it comes to making new securities, but they have been forced to the sidelines as investors over nine years in conservatorship. The two government-sponsored enterprises held a combined $221.48 billion of residential MBS at the end of June. Firm numbers on the total volume of MBS outstanding at that point aren’t available yet, but it’s unlikely that Fannie and Freddie held more than 3.5 percent of the market. The two GSEs reduced...[Includes one data table]