|
100 Park Avenue Suite 2000 New York, NY 10017 T: 212.812.4124 |
Jamie M. Gershkow
Partner
jgershkow@stradley.com
212.404.0654
May 11, 2026
VIA EDGAR TRANSMISSION
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. 115 (File No. 2-80543)
Amendment No. 149 (File No. 811-03605)
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:
| a. | the forms of the Trust’s (i) Treasury Portfolio, Treasury Instruments Portfolio and U.S. Government Select Portfolio – Admin Shares Prospectus and (ii) Treasury Portfolio, Treasury Instruments Portfolio and U.S. Government Select Portfolio – Admin Shares Statement of Additional Information that would have been filed under paragraph (c) of Rule 497 would not have differed from those contained in Post-Effective Amendment No. 115 to the Trust’s registration statement on Form N-1A; and |
| b. | the text of Post-Effective Amendment No. 115 to the Trust’s registration statement was filed with the Commission via EDGAR on May 5 2026 (Accession No. 0001193125-26-206200) with an effective date of May 5, 2026. |
Please direct any comments to the undersigned at (212) 404-0654.
Very truly yours,
/s/ Jamie M. Gershkow
Jamie M. Gershkow
| cc: | Kevin P. O’Rourke |
Jose J. Del Real, Esq.