# EDGAR Filing Document

**Accession Number:** 0001018592
**File Stem:** 0000919574-26-000588
**Filing Date:** 2026-2
**Character Count:** 3000
**Document Hash:** 514f184c0042fd56adc9b824c596ccdb
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000919574-26-000588.hdr.sgml**: 20260202

**ACCESSION NUMBER**: 0000919574-26-000588

**CONFORMED SUBMISSION TYPE**: 497J

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260202

**DATE AS OF CHANGE**: 20260202

**EFFECTIVENESS DATE**: 20260202

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** AB INSTITUTIONAL FUNDS INC
- **CENTRAL INDEX KEY:** 0001018592

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** MA
- **FISCAL YEAR END:** 1031

**FILING VALUES:**
- **FORM TYPE:** 497J
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-37177
- **FILM NUMBER:** 26586473

**BUSINESS ADDRESS:**
- **STREET 1:** ALLIANCEBERNSTEIN LP
- **STREET 2:** 66 HUDSON BOULEVARD EAST, 26TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10001
- **BUSINESS PHONE:** 2129691000

**MAIL ADDRESS:**
- **STREET 1:** ALLIANCEBERNSTEIN LP
- **STREET 2:** 66 HUDSON BOULEVARD EAST, 26TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10001

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** ALLIANCEBERNSTEIN INSTITUTIONAL FUNDS INC
- **DATE OF NAME CHANGE:** 20030319

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** ALLIANCE INSTITUTIONAL FUNDS INC
- **DATE OF NAME CHANGE:** 19970930

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** ALLIANCE INSTITUTIONAL FUNDS
- **DATE OF NAME CHANGE:** 19960711

## Series and Classes Contracts Data

### AB Global Real Estate Investment Fund II (Series ID: S000010313)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000028538 | Class I      | ARIIX           |

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| |
|:---|
| &nbsp;&nbsp;Seward & Kissel LLP |
| &nbsp;&nbsp;901 K Street, NW |
| &nbsp;&nbsp;Suite 800 |
| &nbsp;&nbsp;Washington, DC 20001 |
| &nbsp;&nbsp;Telephone: (202) 737-8833 |
| &nbsp;&nbsp;Facsimile: (202) 737-5184 |
| &nbsp;&nbsp;www.sewkis.com |

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February 2, 2026

<u>VIA EDGAR</u>

Securities and Exchange Commission

100 F Street, N.E.

Washington, DC 20549

Re: AB Institutional Funds, Inc. <br> – AB Global Real Estate Investment Fund II <br> <u>(File Nos. 333-37177 and 811-08403)</u>

Dear Sir or Madam:

On behalf of AB Institutional Funds, Inc. – AB Global Real Estate Investment Fund II (the "Fund"), we are transmitting a certification pursuant to Rule 497(j) under the Securities Act of 1933. In this regard, we certify that the Prospectus for the Fund that would have been filed under Rule 497(c) does not differ from that included in the most recent post-effective amendment to the Fund's registration statement. The post-effective amendment was filed electronically with the Securities and Exchange Commission on January 28, 2026.

A definitive form of the Statement of Additional Information for the Fund will be filed separately pursuant to Rule 497(c).

Please call me at the above-referenced number if you have any questions regarding the foregoing.

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| |
|:---|
| &nbsp;&nbsp;Sincerely, |
| &nbsp;&nbsp;<u>/s/ Lauren A. Clise</u> |
| &nbsp;&nbsp; Lauren A. Clise |

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