SEI INSTITUTIONAL MANAGED TRUST, 497, 1997-07-16

SEI INSTITUTIONAL MANAGED TRUST
497, 1997-07-16

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                        SEI INSTITUTIONAL MANAGED TRUST

                            SMALL CAP VALUE PORTFOLIO

                         SUPPLEMENT DATED JULY 10, 1997
                    TO THE PROSPECTUS DATED JANUARY 31, 1997
 
THIS SUPPLEMENT PROVIDES NEW AND ADDITIONAL INFORMATION BEYOND THAT CONTAINED IN
THE PROSPECTUS, AND SHOULD BE READ IN CONJUNCTION WITH SUCH PROSPECTUS.
 
    At a meeting held on May 30, 1997, the Shareholders of the Small Cap Value
Portfolio of SEI Institutional Managed Trust approved LSV Asset
Management ("LSV") as a new Sub-Adviser. In addition, Shareholders approved a
new investment sub-advisory agreement between LSV and SEI Financial Management
Corporation relating to the Small Cap Value Portfolio. This prospectus is hereby
amended to reflect this addition.
 
               PLEASE RETAIN THIS SUPPLEMENT FOR FUTURE REFERENCE



SEI-A-101-01