The real rich elite, the masters are are always in the shadow, they don't want curious peasants to know that they invested in bitcoin. Sometimes it becomes known, here is another example that rich families like Guggenheim plan to invest almost $500M in bitcoin. https://www.coindesk.com/guggenheim-fund-files-to-be-able-to-invest-up-to-almost-500m-in-bitcoin-through-gbtc
And there are many of them.