ACORN INVESTMENT TRUST, 497J, 1998-05-01

ACORN INVESTMENT TRUST
497J, 1998-05-01

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                            ACORN INVESTMENT TRUST
                             227 W. Monroe Street
                                  Suite 3000
                            Chicago, Illinois 60606

                                  May 1, 1998

BY EDGAR

Securities and Exchange Commission
450 Fifth Street, N.W.
Washington, D.C. 20549-1004


                            Acorn Investment Trust
                       1933 Act Registration No. 2-34223
                      1940 Act Registration No. 811-1829

Ladies and Gentlemen:

     In accordance with Rule 497(j) of Regulation C under the Securities Act of 
1933, Acorn Investment Trust (the "Trust") certifies that:

     a.   the form of prospectus and statement of additional information that
          would have been filed under paragraph (c) of Rule 497 would not have
          differed from that contained in the most recent post-effective
          amendment to the Trust's registration statement on Form N-1A; and

     b.   the text of the most recent post-effective amendment to the Trust's
          registration statement was filed with the Commission on April 30,
          1998.

                                        Very truly yours,


                                        ACORN INVESTMENT TRUST