According to the Saylortracker page, MicroStrategy bought 27,200 BTC on November 10, 2024 at around $74,000 each. MicroStrategy bought another 51,780 BTC on November 17, followed by 55,500 BTC on November 24 at around $97,000 each, setting the largest BTC purchase ever. During the bull market of 2020-2021, MicroStrategy's largest acquisition was 29,646 bitcoin on December 21, 2020, when bitcoin was trading at around $21,000.