Mutual funds CUSTODY: Rankings - Exchange-Traded Fund Assets 1 Min Read Partner Insights from Facebook Twitter LinkedIn Email 2017 Rank Custody Provider Assets ($ millions) 1 State Street Corporation 803,315 2 Brown Brothers Harriman 558,919 3 J.P. Morgan 409,468 4 BNY Mellon 408,267 5 Citi 16,200 6 U.S. Bancorp Fund Services 8,454 All Data as of 12/31/17 View Table Printer Friendly Version