The fund normally invests at least 80% of the fund's net assets in U.S. and foreign real estate-related investments. It normally invests the fund's assets primarily in equity securities. The fund may invest the fund's assets in real estate-related investments of any size. MFS normally invests the fund's assets across different countries and regions, but MFS may invest a significant percentage of the fund's assets in issuers in a single country or region.