| NORTHERN INSTITUTIONAL U.S. GOVERNMENT SELECT PORTFOLIO | SHARES | BGSXX | — |
| NORTHERN INSTITUTIONAL U.S. GOVERNMENT SELECT PORTFOLIO | SERVICE SHARES | BSCXX | — |
| NORTHERN INSTITUTIONAL U.S. GOVERNMENT SELECT PORTFOLIO | PREMIER SHARES | BSDXX | — |
| NORTHERN INSTITUTIONAL U.S. GOVERNMENT SELECT PORTFOLIO | Williams Capital Shares | WCGXX | — |
| NORTHERN INSTITUTIONAL U.S. GOVERNMENT PORTFOLIO | SHARES | BNGXX | — |
| NORTHERN INSTITUTIONAL U.S. GOVERNMENT PORTFOLIO | SERVICE SHARES | BGCXX | — |
| NORTHERN INSTITUTIONAL U.S. GOVERNMENT PORTFOLIO | PREMIER SHARES | BGDXX | — |
| NORTHERN INSTITUTIONAL PRIME OBLIGATIONS PORTFOLIO | SHARES | NPAXX | — |
| NORTHERN INSTITUTIONAL PRIME OBLIGATIONS PORTFOLIO | SERVICE SHARES | NPCXX | — |
| NORTHERN INSTITUTIONAL PRIME OBLIGATIONS PORTFOLIO | PREMIER SHARES | — | — |
| NORTHERN INSTITUTIONAL PRIME OBLIGATIONS PORTFOLIO | Williams Capital Shares | WCPXX | — |
| NORTHERN INSTITUTIONAL MUNICIPAL PORTFOLIO | SHARES | NMUXX | — |
| NORTHERN INSTITUTIONAL MUNICIPAL PORTFOLIO | SERVICE SHARES | BMSXX | — |
| NORTHERN INSTITUTIONAL MUNICIPAL PORTFOLIO | PREMIER SHARES | — | — |
| NORTHERN INSTITUTIONAL TREASURY PORTFOLIO | SHARES | NITXX | — |
| NORTHERN INSTITUTIONAL TREASURY PORTFOLIO | SERVICE SHARES | — | — |
| NORTHERN INSTITUTIONAL TREASURY PORTFOLIO | PREMIER SHARES | NTPXX | — |
| Treasury Instruments Portfolio | Shares | NTYXX | — |
| Treasury Instruments Portfolio | Service Shares | — | — |
| Treasury Instruments Portfolio | Premier Shares | NPYXX | — |