American City Business Journals. Retrieved 16 December 2020. ↑ "MicroStrategy CEO Michael Saylor's 17,732 BTC Holdings Now Worth $1.1B". ↑ Ponciano, Jonathan (November 29, 2021). "Bitcoin's Biggest Corporate Investor Buys Another $414 Million As Omicron Variant Puts Crypto Prices Under 'Serious Pressure'".