Commercial banks and savings institutions continued to load up on residential MBS during the second quarter of 2016, pushing their investment in the sector to a new high, according to a new analysis and ranking by Inside MBS & ABS. Banks and thrifts reported MBS holdings of $1.684 trillion as of the end of June, a 1.4 percent increase since the previous quarter. These are long-term holdings in banks’ held-to-maturity and available-for-sale portfolios. The industry held another $46.02 billion of MBS in their trading accounts. Not surprisingly, all of the gain came in agency MBS, particularly pass-through securities issued by Fannie Mae and Freddie Mac. The industry’s aggregate holdings of these securities, $867.64 billion, were up 4.1 percent from the ...