| 2017 Rank | Custody Provider | Assets ($ millions) |
| 1 | State Street Corporation | 1,477,190 |
| 2 | J.P. Morgan | 1,097,517 |
| 3 | BNY Mellon | 204,494 |
| 4 | Citi | 195,000 |
| 5 | U.S. Bancorp Fund Services | 149,822 |
| 6 | UMB Bank, n.a. | 6,880 |
| 7 | MUFG Union Bank, N.A. | 4,467 |
All Data as of 12/31/17