# Treasury Instruments Portfolio — new fund registration

NORTHERN INSTITUTIONAL FUNDS registered 1 new fund series on Form 485APOS, filed 2017-06-26. Featured series: Treasury Instruments Portfolio.

## Registration

- Registrant / trust: NORTHERN INSTITUTIONAL FUNDS
- CIK: 0000710124
- Form: 485APOS
- Filed: 2017-06-26
- State of incorporation: DE
- Accession: 0001193125-17-213460

## Series & classes (3)

| Series | Class | Ticker | New |
| --- | --- | --- | --- |
| [Treasury Instruments Portfolio](https://search.stillhousedata.com/fund/S000058876) | Shares | NTYXX | Yes |
| [Treasury Instruments Portfolio](https://search.stillhousedata.com/fund/S000058876) | Service Shares | — | Yes |
| [Treasury Instruments Portfolio](https://search.stillhousedata.com/fund/S000058876) | Premier Shares | NPYXX | Yes |

## Fees (from the effective prospectus)

- Gross expense ratio: 0.18%
- Management fee: 0.16%
- Net expense ratio: 0.18%
- Other expenses: 0.02%

## Investment objective

The Portfolio seeks to maximize current income to the extent consistent with the preservation of capital and maintenance of liquidity by investing its net assets, under normal conditions, exclusively in U.S. Treasury securities.

## 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 — 2016-07-26](https://search.stillhousedata.com/launch/0001193125-16-656967)
- [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/0001193125-17-213460.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.