Banks and savings institutions maintained their healthy appetite for agency single-family MBS during the fourth quarter of 2016, according to a new Inside MBS & ABS ranking and analysis. Banks and thrifts held a record $1.254 trillion of agency MBS, up 2.2 percent from the end of the third quarter and an increase of 12.4 percent from a year ago. The biggest gains were in holdings of Ginnie Mae MBS, which also happen to be the fastest-growing component of the agency securities market. Bank and thrift holdings of Ginnie pass-throughs jumped...[Includes two data tables]