The agency mortgage servicing market grew modestly during the first quarter of 2015, thanks to Ginnie Mae and Freddie Mac, according to a new Inside Mortgage Finance analysis of agency mortgage-backed securities disclosures. Lenders serviced a total of $5.287 trillion of single-family mortgages pooled in outstanding agency MBS as of the end of March, up 0.1 percent from the fourth quarter of 2014. The figures do not include unsecuritized loans guaranteed by the two government-sponsored enterprises or, in the case of Ginnie, FHA-insured reverse mortgages. And the numbers don’t perfectly synch up with aggregated reports by the agencies of their guaranteed mortgage debt outstanding. All three of the top agency MBS servicers had...[Includes two data charts]