The servicing of Fannie Mae and Freddie Mac single-family mortgages remained heavily concentrated among a relatively small number of companies, but the market continued to gradually de-consolidate during the second quarter of 2015. An Inside The GSEs analysis of new Fannie and Freddie disclosures reveals that the top five players in the market serviced 46.8 percent of securitized single-family mortgages outstanding at the end of June. At the end of the first quarter, they serviced 47.6 percent of the market. Freddie business was more concentrated – 51.0 percent of Freddie servicing was held by the GSE’s top five companies. These percentages are based on the servicing of outstanding mortgage-backed securities where a servicer is identified in MBS...