JPMorgan Chase had the largest amount of holdings of non-agency mortgage-backed securities – by far – among banks and thrifts at the end of the second quarter of 2014, according to a new ranking and analysis by Inside Nonconforming Markets. Chase held $44.53 billion in non-agency MBS at the end of June, accounting for 34.5 percent of all non-agency MBS held by banks and thrifts. TD Bank, the second-ranked holder of non-agency MBS, had a ... [Includes one data chart]