According to official sources, Strategy acquired approximately 850 bitcoins for about $97.0 million between September 15 and September 21, translating to an average purchase price near $117,344 per bitcoin.
As of September 21, 2025, Strategy’s disclosed balance stands at 639,835 bitcoins with a total acquisition cost of roughly $47.33 billion, implying an average cost basis of approximately $73,971 per bitcoin.
These company-reported figures — transaction volume, average price and total acquisition cost — establish a verifiable cost basis for Strategy’s bitcoin holdings; investors and market participants commonly use such metrics to evaluate unrealized gains or losses and assess exposure.