# EDGAR Filing Document

**Accession Number:** 0000710124
**File Stem:** 0001193125-26-139716
**Filing Date:** 2026-4
**Character Count:** 5176
**Document Hash:** 82919d73a1cee986cb261a7abcee78d2
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-139716.hdr.sgml**: 20260402

**ACCESSION NUMBER**: 0001193125-26-139716

**CONFORMED SUBMISSION TYPE**: 497J

**PUBLIC DOCUMENT COUNT**: 3

**FILED AS OF DATE**: 20260402

**DATE AS OF CHANGE**: 20260402

**EFFECTIVENESS DATE**: 20260402

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** NORTHERN INSTITUTIONAL FUNDS
- **CENTRAL INDEX KEY:** 0000710124

**ORGANIZATION NAME:**
- **EIN:** 363209613
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1130

**FILING VALUES:**
- **FORM TYPE:** 497J
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 002-80543
- **FILM NUMBER:** 26832412

**BUSINESS ADDRESS:**
- **STREET 1:** NORTHERN INSTITUTIONAL FUNDS
- **STREET 2:** 50 SOUTH LASALLE STREET
- **CITY:** CHICAGO
- **STATE:** IL
- **ZIP:** 60603
- **BUSINESS PHONE:** 800-637-1380

**MAIL ADDRESS:**
- **STREET 1:** NORTHERN INSTITUTIONAL FUNDS
- **STREET 2:** 50 SOUTH LASALLE STREET
- **CITY:** CHICAGO
- **STATE:** IL
- **ZIP:** 60603

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** BENCHMARK FUNDS
- **DATE OF NAME CHANGE:** 19920703

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** BENCHMARK MONEY MARKET FUND DIVERSIFIED ASSETS & GOVERNMENT
- **DATE OF NAME CHANGE:** 19910422

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** BENCHMARK MONEY MARKET FUND
- **DATE OF NAME CHANGE:** 19851020

## Series and Classes Contracts Data

### U.S. GOVERNMENT SELECT PORTFOLIO (Series ID: S000001275)

| Class ID   | Class Name                    | Ticker Symbol   |
|:---|:---|:---|
| C000003421 | SHARES                        | BGSXX           |
| C000003422 | SERVICE SHARES                | BSCXX           |
| C000003423 | PREMIER SHARES                | BSDXX           |
| C000146024 | Siebert Williams Shank Shares | WCGXX           |

### U.S. GOVERNMENT PORTFOLIO (Series ID: S000001286)

| Class ID   | Class Name     | Ticker Symbol   |
|:---|:---|:---|
| C000003449 | SHARES         | BNGXX           |
| C000003450 | SERVICE SHARES | BGCXX           |
| C000003451 | PREMIER SHARES | BGDXX           |

### TREASURY PORTFOLIO (Series ID: S000023949)

| Class ID   | Class Name                    | Ticker Symbol   |
|:---|:---|:---|
| C000070152 | SHARES                        | NITXX           |
| C000070153 | SERVICE SHARES                |  |
| C000070154 | PREMIER SHARES                | NTPXX           |
| C000232976 | Siebert Williams Shank Shares | SWSXX           |

### Treasury Instruments Portfolio (Series ID: S000058876)

| Class ID   | Class Name                    | Ticker Symbol   |
|:---|:---|:---|
| C000193056 | Shares                        | NTYXX           |
| C000193057 | Service Shares                |  |
| C000193058 | Premier Shares                | NPYXX           |
| C000250980 | Siebert Williams Shank Shares | SWIXX           |

---

| | |
|:---|:---|
| ![LOGO](g131948g0402042507972.jpg) | **Stradley Ronon Stevens & Young, LLP**<br>100 Park Avenue<br> Suite 2000<br> New York, NY 10017<br> T: 212.812.4124<br> stradley.com |

---

Jamie M. Gershkow

Partner

jgershkow@stradley.com

212.404.0654 April 2, 2026

**<u>VIA EDGAR TRANSMISSION</u>**

U.S. Securities and Exchange Commission

100 F Street, N.E.

Washington, D.C. 20549

Re: Northern Institutional Funds (the "Trust")

Post-Effective Amendment No. 114 (File No. 2-80543)<u> </u>

<u>Amendment No.</u> <u>147 (File No.</u> <u>811-03605)</u>

Ladies and Gentlemen:

In accordance with Rule 497(j) of Regulation C under the Securities Act of 1933, as amended, Northern Institutional Funds (the "Trust") certifies that:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;a. the forms of the Trust's (i) Treasury Portfolio, Treasury Instruments Portfolio, U.S. Government
Portfolio and U.S. Government Select Portfolio – Shares, Service Shares and Premier Shares Prospectus; (ii) Treasury Portfolio, Treasury Instruments Portfolio and U.S. Government Select Portfolio – Siebert Williams Shank Shares
Prospectus; (iii) Treasury Portfolio, Treasury Instruments Portfolio, U.S. Government Portfolio and U.S. Government Select Portfolio – Shares, Service Shares and Premier Shares Statement of Additional Information; and (iv) Treasury
Portfolio, Treasury Instruments Portfolio, and U.S. Government Select Portfolio – Siebert Williams Shank Shares Statement of Additional Information that would have been filed under paragraph (c) of Rule 497 do not differ from those
contained in Post-Effective Amendment No. 114 to the Trust's registration statement on From N-1A; and

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;b. the text of Post-Effective Amendment No. 114 to the Trust's registration statement was filed with
the Commission via EDGAR on March 27, 2026 (Accession No. 0001193125-26-128977) with an effective date of April 1, 2026.

Please direct any comments to the undersigned at (212) 404-0654, or, in my absence, Michael D. Mabry at (215) 564-8011.

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| |
|:---|
|  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Very truly yours, |
|  <u>/s/ Jamie M. Gershkow</u> |
|  Jamie M. Gershkow |

---

Enclosures

cc: Kevin P. O'Rourke

Randal E. Rein

Jose J. Del Real, Esq.

Michael D. Mabry, Esq

![LOGO](g131948snap1.jpg)