As of January 25, 2025, MicroStrategy (MSTR) holds approximately 461,000 bitcoins. 

With a fully diluted share count of about 197.3 million shares, this equates to approximately 2.337 bitcoins per share.

Therefore, if you own $1 million worth of MSTR stock, you effectively have exposure to approximately 6.6 bitcoins through your investment.

Please note that these figures are based on the latest available data and may have changed due to subsequent acquisitions or market fluctuations.