US software developer MicroStrategy purchased another 51,780 BTC worth $4.6 billion, making it the company’s largest ever Bitcoin purchase.

In a report submitted to the US Securities and Exchange Commission (SEC), MicroStrategy reported purchasing 51,780 bitcoins at an average price of $88,627 per BTC. As a result, the volume of the first cryptocurrency in the company’s accounts amounted to 331,200 coins. The purchase was made using proceeds from the sale of MicroStrategy shares between November 11 and 17, which brought the company more than $4 billion.

A week earlier, MicroStrategy notified investors that it had acquired a batch of 27,200 bitcoins, at which time its corporate holdings increased to 279,420 BTC. MicroStrategy said that more than $2 billion was allocated to purchase the first cryptocurrency.