| 2017 Rank | Custody Provider | Assets ($ millions) |
| 1 | State Street Corporation | 6,782,912 |
| 2 | J.P. Morgan | 5,538,040 |
| 3 | Brown Brothers Harriman | 2,272,937 |
| 4 | Citi | 291,000 |
| 5 | MUFG Union Bank, N.A. | 48,094 |
| 6 | UMB Bank, n.a. | 33,188 |
| 7 | U.S. Bancorp Fund Services | 27,658 |
| 8 | BNY Mellon | N/AV |
All Data as of 12/31/17