AIM WEINGARTEN FUND

                        Supplement dated January 24, 2002
                      to the Prospectus dated March 1, 2001
                        as supplemented January 23, 2002

This supplement supercedes and replaces in its entirety the supplement dated
January 23, 2002.

Effective January 24, 2002, the following replaces in its entirety the
information appearing under the heading "FUND MANAGEMENT - PORTFOLIO MANAGERS"
on page 4 of the prospectus:


         "The advisors use a team approach to investment management. The
         individual members of the team who are primarily responsible for the
         day-to-day management of the fund's portfolio are

         o    Monika H. Degan, Senior Portfolio Manager, who has been
              responsible for the fund since 1998 and has been associated with
              the advisor and/or its affiliates since 1995.

         o    Lanny H. Sachnowitz, Senior Portfolio Manager, who has been
              responsible for the fund since 2002 and has been associated with
              the advisor and/or its affiliates since 1987."








                                AIM CHARTER FUND
                             AIM CONSTELLATION FUND
                               AIM WEINGARTEN FUND

                           INSTITUTIONAL CLASS SHARES

                        Supplement dated January 24, 2002
    to the Prospectus dated March 1, 2001 as supplemented December 13, 2001
                              and January 23, 2002

This supplement supercedes and replaces in its entirety the supplement dated
January 23, 2002.

Effective January 24, 2002, the following replaces in its entirety the
information appearing under the heading "FUND MANAGEMENT - PORTFOLIO MANAGERS -
CHARTER" on page 5 of the prospectus:


         "CHARTER

         o    Ronald S. Sloan, Senior Portfolio Manager, who has been
              responsible for the fund since 2002 and has been associated with
              the advisor and/or its affiliates since 1998. From 1993 to 1998,
              he was President of Verissimo Research & Management, Inc.

         o    Michael Yellen, Senior Portfolio Manager, who has been responsible
              for the fund since 2002 and has been associated with the advisor
              and/or its affiliates since 1994."

Effective January 24, 2002, the following replaces in its entirety the
information appearing under the heading "FUND MANAGEMENT - PORTFOLIO MANAGERS -
WEINGARTEN" on page 5 of the prospectus:


         "WEINGARTEN

         o    Monika H. Degan, Senior Portfolio Manager, who has been
              responsible for the fund since 1998 and has been associated with
              the advisor and/or its affiliates since 1995.

         o    Lanny H. Sachnowitz, Senior Portfolio Manager, who has been
              responsible for the fund since 2002 and has been associated with
              the advisor and/or its affiliates since 1987."