Yesterday, MicroStrategy (MSTR) bought 480 bitcoins for about $10 million – an average price of $20,817 per coin. With new additions, the company holdings come to 129,699 bitcoins an average cost of $30,664 each. Currently, Bitcoin is trading around $20,100, making MSTR's stash worth approximately $2.6 billion. A few days back, company CEO Michael Saylorpledged to purchase additional coins as cash flow allowed.