Nonbank mortgage servicers expanded their footprint in agency mortgage servicing rights during the third quarter of 2016, according to a new Inside Mortgage Finance analysis. Overall, there were $6.062 trillion of single-family mortgages outstanding tied to Fannie Mae, Freddie Mac and Ginnie Mae mortgage-backed securities at the end of September. (The table below excludes two significant categories: loans subserviced on behalf of the agencies and some seasoned loans for which no servicer is disclosed. This mostly affects the Fannie data.) The September figure was...[Includes three data tables]