Nobody knows what Bill Gates did with all of the money he got selling his MSFT shares over time, just that he put them into Cascade Investments - his investment

Nobody knows what Bill Gates did with all of the money he got selling his MSFT shares over time, just that he put them into Cascade Investments - his investment vehicle. Very odd that you never read about him buying stock or companies or real estate. If he's invested that money well, he could be worth a hell of a lot more than Forbes estimates.