Insiders dump $4.5M of Bill Gates' 3rd-largest stock holding

The founder of Microsoft, renowned philanthropist Bill Gates, funds his charitable efforts, in large part, through investing in the stock market.Gates’ portfolio is actually quite concentrated — with only 4 stock holdings accounting for 79% of the portfolio’s value. For the Gates Foundation, stability is a priority, so blue-chip stocks with stable dividends are a mainstay.One of the long-term holdings in this portfolio is Waste Management (NYSE: WM). At present, it is the 3rd largest holding, and accounts f ...