# NORTHERN INSTITUTIONAL PRIME OBLIGATIONS PORTFOLIO — new fund registration

NORTHERN INSTITUTIONAL FUNDS registered fund series on Form 485APOS, filed 2016-07-26. Featured series: NORTHERN INSTITUTIONAL PRIME OBLIGATIONS PORTFOLIO.

## Registration

- Registrant / trust: NORTHERN INSTITUTIONAL FUNDS
- CIK: 0000710124
- Form: 485APOS
- Filed: 2016-07-26
- State of incorporation: DE
- Accession: 0001193125-16-656967

## Series & classes (11)

| Series | Class | Ticker | New |
| --- | --- | --- | --- |
| [NORTHERN INSTITUTIONAL PRIME OBLIGATIONS PORTFOLIO](https://search.stillhousedata.com/fund/S000001288) | SHARES | NPAXX | — |
| [NORTHERN INSTITUTIONAL PRIME OBLIGATIONS PORTFOLIO](https://search.stillhousedata.com/fund/S000001288) | SERVICE SHARES | NPCXX | — |
| [NORTHERN INSTITUTIONAL PRIME OBLIGATIONS PORTFOLIO](https://search.stillhousedata.com/fund/S000001288) | PREMIER SHARES | — | — |
| [NORTHERN INSTITUTIONAL PRIME OBLIGATIONS PORTFOLIO](https://search.stillhousedata.com/fund/S000001288) | GFS SHARES | NPOXX | — |
| [NORTHERN INSTITUTIONAL PRIME OBLIGATIONS PORTFOLIO](https://search.stillhousedata.com/fund/S000001288) | Williams Capital Shares | WCPXX | — |
| [NORTHERN INSTITUTIONAL DIVERSIFIED ASSETS PORTFOLIO](https://search.stillhousedata.com/fund/S000001290) | SHARES | BDAXX | — |
| [NORTHERN INSTITUTIONAL DIVERSIFIED ASSETS PORTFOLIO](https://search.stillhousedata.com/fund/S000001290) | SERVICE SHARES | BDCXX | — |
| [NORTHERN INSTITUTIONAL DIVERSIFIED ASSETS PORTFOLIO](https://search.stillhousedata.com/fund/S000001290) | PREMIER SHARES | BDDXX | — |
| [NORTHERN INSTITUTIONAL MUNICIPAL PORTFOLIO](https://search.stillhousedata.com/fund/S000001292) | SHARES | NMUXX | — |
| [NORTHERN INSTITUTIONAL MUNICIPAL PORTFOLIO](https://search.stillhousedata.com/fund/S000001292) | SERVICE SHARES | BMSXX | — |
| [NORTHERN INSTITUTIONAL MUNICIPAL PORTFOLIO](https://search.stillhousedata.com/fund/S000001292) | PREMIER SHARES | — | — |

## Fees (from the effective prospectus)

- 12b-1 fee: 0.00%
- Gross expense ratio: 0.16%
- Management fee: 0.13%
- Net expense ratio: 0.15%
- Other expenses: 0.03%

## Investment objective

The Portfolio seeks to maximize current income to the extent consistent with the preservation of capital and maintenance of liquidity by investing exclusively in high quality money market instruments.

## Advisers

- [Northern Trust Investments, Inc. (Advisor)](https://search.stillhousedata.com/firm/105780)

## Other filings by this registrant (15)

- [485APOS — 2026-06-25 (2 new series)](https://search.stillhousedata.com/launch/0001193125-26-282634)
- [485APOS — 2026-03-06](https://search.stillhousedata.com/launch/0001193125-26-096954)
- [485APOS — 2025-12-02](https://search.stillhousedata.com/launch/0001193125-25-304804)
- [485APOS — 2024-04-12](https://search.stillhousedata.com/launch/0001193125-24-094643)
- [485APOS — 2021-10-06](https://search.stillhousedata.com/launch/0001193125-21-293190)
- [485APOS — 2019-11-27](https://search.stillhousedata.com/launch/0001193125-19-302471)
- [485APOS — 2018-09-14](https://search.stillhousedata.com/launch/0001193125-18-274251)
- [485APOS — 2017-06-26 (3 new series)](https://search.stillhousedata.com/launch/0001193125-17-213460)
- [485APOS — 2014-07-07](https://search.stillhousedata.com/launch/0001193125-14-262083)
- [485APOS — 2011-03-02](https://search.stillhousedata.com/launch/0001193125-11-053509)
- [485APOS — 2010-06-15](https://search.stillhousedata.com/launch/0001193125-10-139567)
- [485APOS — 2010-01-28](https://search.stillhousedata.com/launch/0001193125-10-015597)

## More

- [Registrant profile: NORTHERN INSTITUTIONAL FUNDS](https://search.stillhousedata.com/registrant/710124)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/launch/0001193125-16-656967.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.