MFS INSTITUTIONAL TRUST, 497J, 1996-10-30

MFS INSTITUTIONAL TRUST
497J, 1996-10-30

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                             MFS INSTITUTIONAL TRUST
             500 BOYLSTON STREET o BOSTON o MASSACHUSETTS 02116-3741
                                 617 o 954-5000




                                            October 30, 1996




VIA EDGAR
Securities and Exchange Commission
Judiciary Plaza
450 Fifth Street, NW
Washington, DC  20549

         Re:  MFS Institutional Trust (the "Trust") (File No. 33-37615); on
              Behalf of MFS Institutional Emerging Equities Fund, MFS
              Institutional Worldwide Fixed Income Fund, MFS Institutional
              Emerging Markets Income Fund, MFS Institutional International
              Equity Fund, MFS Institutional Mid-Cap Growth Equity Fund, MFS
              Institutional Research Fund and MFS Institutional Core Plus
              Fixed Income Fund (the "Funds")

Ladies and Gentlemen:

         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  Funds  combined  does  not  differ  from  that
contained in  Post-Effective  Amendment No. 11 (the  "Amendment") to the Trust's
Registration  Statement on Form N-1A. This Amendment was filed electronically on
October 28, 1996.

         Please call the undersigned or Karen M. Ray at (617) 954-5801 or
(800) 343-2829 with any questions you may have.

                                            Very truly yours,


                                            JAMES R. BORDEWICK, JR.
                                            James R. Bordewick, Jr.
                                            Assistant Secretary

JRB/bjn