Prospectus Certification by Investment Company (Form 497J)

Investment Managers Series Trust II

235 West Galena Street

Milwaukee, Wisconsin 53212

March 4, 2026

VIA EDGAR TRANSMISSION

U.S. Securities and Exchange Commission

Division of Investment Management

100 "F" Street, N.E.

Washington, DC 20549

Dear Sir or Madam:

Pursuant to Rule 497(j) under the Securities Act of 1933, as amended, please accept this letter as certification that the Prospectus and Statement of Additional Information for the Arena Strategic Income Fund, a series of the Trust, do not differ from those contained in Post-Effective Amendment No. 519 to the Trust's Registration Statement on Form N-1A. This Amendment was filed electronically on February 25, 2026, with an effective date of February 28, 2026.

If you have any questions or require further information, do not hesitate to contact Diane J. Drake at (626) 385-5777 or [email protected].