MicroStrategy, led by Michael Saylor, has increased its Bitcoin holdings by adding 18,300 BTC.The company now holds a total of 244,800 BTC, making it the largest publicly listed company with the biggest BTC stash.The recent purchase was made at an average price of $60,408 per coin, with a BTC yield of 4.4% QTD and 17% YTD.MicroStrategy's BTC holdings have a cost basis of approximately $9.45 billion, with an average acquisition price of $38,585 per coin.