The Bank of New York Mellon Corporation, commonly known as BNY Mellon, is an American banking and financial services corporation headquartered in New York City. The bank offers investment management, investment services, and wealth management services. BNY Mellon was formed from the merger of The Bank of New York and the Mellon Financial Corporation in 2007. It is the world's largest custodian bank and securities services company, with $1.8 trillion in assets under management and $45.7 trillion in assets under custody as of 2023. It is considered a systemically important bank by the Financial Stability Board. Through its Bank of New York predecessor, it is the oldest bank in the United States and the first listed on the New York Stock Exchange. It is regarded as being among the oldest banks in the world, having been established in June 1784 by a group that included American Founding Father Alexander Hamilton. T. Mellon and Sons Bank, was founded in Pittsburgh in 1869 by Thomas Mellon and his sons Richard and Andrew, the latter of whom later became Secretary of the US Treasury. The bank replaced its name with Mellon National Bank in 1902. Wikipedia