Bridgeport, Conn.-based People's United Financial Inc. on April 1 closed its acquisition of Riverhead, N.Y.-based Suffolk Bancorp.

The deal, which was first announced June 27, 2016, will see Suffolk County National Bank of Riverhead merge into People's United Bank NA. Suffolk County had $2.09 billion in assets at the end of 2016; People's United Bank had $40.29 billion.