Bank and thrift holdings of non-mortgage ABS declined slightly in the first quarter of 2013, but remained well above a year ago, according to a new Inside MBS & ABS ranking and analysis. Banks and thrifts held $163.7 billion of ABS in portfolio as of the end of March, off 0.5 percent from the previous quarter. But early 2013 holdings were up 9.0 percent from the first quarter of last year, including increases in most ABS categories. The call-report ABS data include...[Includes one data chart]