Thompson IM Funds Inc.

04/01/2026 | Press release | Distributed by Public on 04/01/2026 15:24

Prospectus Certification by Investment Company (Form 497J)

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Milwaukee, Wisconsin 53202-4428
414-277-5000
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April 1, 2026

VIA EDGAR

Division of Investment Management
U.S. Securities and Exchange Commission
100 F. Street, N.E.
Washington, D.C. 20549

Re: Thompson IM Funds, Inc.
1933 Registration No. 33-6418
1940 Act File No. 811-4946
Rule 497(j) Certification for Prospectus and Statement of Additional Information in Connection with Post-Effective Amendment No. 56 to Registration Statement on Form N-1A

Dear Sir or Madam:

Pursuant to Rule 497(j) under the Securities Act of 1933, as amended (the "Securities Act"), Thompson IM Funds, Inc. (the "Registrant") hereby certifies that the definitive Prospectus and Statement of Additional Information that would have been filed pursuant to Rule 497(c) of the Securities Act in connection with Post-Effective Amendment No. 56 (the "Amendment") to the Registration Statement on Form N-1A of the Registrant would not have contained any changes as compared to the forms of the Prospectus and Statement of Additional Information included in said Amendment. Therefore, this certification is made in lieu of filing under paragraph (c) of Rule 497.

April 1, 2026

Page 2

The Amendment was filed electronically on March 27, 2026 pursuant to Rule 485(b) and automatically became effective on March 31, 2026 (SEC Accession No. 0001104659-26-035949). The definitive Prospectus and Statement of Additional Information are dated March 31, 2026.

Very truly yours,
Quarles & Brady LLP
/s/ Matthew C. Vogel
Matthew C. Vogel
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