Nonbank loan administrators expanded their share of the mortgage servicing market during the second quarter, mostly capturing agency business abandoned by large banks, according to a new ranking and analysis by Inside Mortgage Finance. Commercial banks, savings institutions and credit unions reported a combined single-family servicing portfolio of $6.930 trillion as of the end of June, according to call reports. That was down 0.5 percent from the previous quarter despite the fact that the total depository portfolio holdings of unsecuritized mortgages increased 1.7 percent during that period. But bank, thrift and credit union loan servicing for others – typically loans held in mortgage-backed securities trusts – fell...[Includes two data tables]