According to current portfolio statistics, a Premium feature of GuruFocus, five stocks in the Bill & Melinda Gates Foundation Trust's equity portfolio gained more than 30% over the past 12 months: Alphabet Inc. ( GOOGL , Financial)( GOOG , Financial), Microsoft Corp. ( MSFT , Financial), Waste Management Inc. ( WM , Financial), Berkshire Hathaway Inc. ( BRK.A , Financial)( BRK.B , Financial) and United Parcel Service Inc. ( UPS , Financial).