The outstanding supply of Fannie Mae and Freddie Mac servicing has remained essentially flat over the past year or so as the churning of refinance loans doesn’t create much growth. But some sectors of the GSE servicing market are clearly gaining share. A new ranking and analysis by Inside The GSEs shows the supply of Fannie/Freddie servicing attached to single-family mortgage-backed securities declined 0.3 percent in the first quarter of 2016. The Freddie market was actually up 0.3 percent from the end of 2015, while Fannie servicing declined 0.7 percent. The figures do not include servicing of unsecuritized mortgages held in portfolio by the two GSEs. The top tier of servicers continued to pull...