AB Institutional Funds Inc.

02/02/2026 | Press release | Distributed by Public on 02/02/2026 10:49

Prospectus Certification by Investment Company (Form 497J)

Seward & Kissel LLP
901 K Street, NW
Suite 800
Washington, DC 20001
Telephone: (202) 737-8833
Facsimile: (202) 737-5184
www.sewkis.com
February 2, 2026

VIA EDGAR

Securities and Exchange Commission

100 F Street, N.E.

Washington, DC 20549

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

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.

Sincerely,
/s/ Lauren A. Clise
Lauren A. Clise
AB Institutional Funds Inc. published this content on February 02, 2026, and is solely responsible for the information contained herein. Distributed via EDGAR on February 02, 2026 at 16:49 UTC. If you believe the information included in the content is inaccurate or outdated and requires editing or removal, please contact us at [email protected]