Historical stock prices for New York Community Bancorp (NYB). New York Community Bancorp, Inc. is a bank holding company and a producer of multi-family mortgage loans in New York City, with an emphasis on apartment buildings that feature below-market rents. It has two bank subsidiaries: New York Community Bank (the Community Bank),New York Commercial Bank (the Commercial Bank. The Community Bank has 241 branches and operates through seven divisional banks. The Commercial Bank has 34 branches in Manhattan and operates 17 of its branches under the divisional name Atlantic Bank.