MicroStrategy, the business intelligence company that has become a major investor in Bitcoin, has purchased another $1.5 billion worth of the cryptocurrency. The purchase of 15,350 BTC brings MicroStrategy's total Bitcoin holdings to 439,000 BTC, making it one of the largest corporate holders of the digital asset. The purchase was made on January 15th, with an average purchase price of $100,386 per BTC. This brings MicroStrategy's average purchase price to $61,725 per BTC, with a total investment of approximately $27.1 billion. MicroStrategy's CEO, Michael Saylor, has been a vocal proponent of Bitcoin, and has said that he believes it is a better investment than traditional assets such as gold. He has also said that he believes Bitcoin will eventually become a global reserve currency. The company's latest purchase is a sign of confidence in Bitcoin, and it is likely to further legitimize the cryptocurrency in the eyes of institutional investors.