MicroStrategy bought another $6 million worth of bitcoins, company founder Michael Saylor said on Twitter . This time, MicroStrategy bought 301 BTC worth about $6 million at an average price of $19,800. MicroStrategy is a U.S.-based corporate analytics company that works with many of the world's Fortune Global 500 brands. The company has adopted bitcoin as a major reserve asset and systematically buys it. Including its latest acquisition, MicroStrategy owns 130,000 BTC ($2.5 billion at $19.2K as of Sept. 20), for which it paid a total of $3.98 billion. The average purchase price of the coin is $30.6K. Billionaire and bitcoin supporter Michael Saylor stepped down as MicroStrategy's CEO on Aug. 8. He had served as chairman and CEO since the company was founded in 1989. Saylor continued to serve the company as executive chairman of the board.