Michael Saylor pioneered the concept of Bitcoin Treasury companies.Few, if any, investors have been more bullish on Bitcoin (BTC 0.79%) than Strategy's Executive Chairman Michael Saylor, who bet big on Bitcoin in 2020 and has been rewarded many times over.Strategy is viewed as the pioneer of the Bitcoin treasury movement, in which companies are able to tap the capital markets to raise funds they can use to buy Bitcoin. Strategy itself now owns 3% of all outstanding Bitcoin. Despite significant sell-offs and ...