MicroStrategy, co-founded by BTC maximalist Michael Saylor, now holds 244,800 Bitcoins worth around $14 billion.This represents almost 1.2% of the total circulating supply of 19.7 million Bitcoins.MicroStrategy's Bitcoin holdings exceed those of most spot Bitcoin exchange-traded funds (ETFs).The firm regularly issues corporate debt to buy more BTC and advocates for other companies to adopt similar strategies.