Software firm turned Bitcoin treasury company Strategy has been buying BTC for more than five years, pioneering the growing trend of publicly traded firms that are adding cryptocurrencies to their balance sheets.What started as a way to "maximize long-term value for shareholders” has transformed into an industry-shifting paradigm that has been further fueled by greater entwinement of traditional financial markets and crypto. Along the way, Strategy has accumulated 843,738 BTC, or roughly 4% of the fixed 21 million total Bitcoin supply—a stash worth nearly $65 billion at today’s Bitcoin price above $76,500.Regardless of how high Bitcoin’s price goes, though, Strategy co-founder and Executive Chairman Michael Saylor has committed to “buying the top forever,” pulling up the firm's average entry price to over $75,700 per Bitcoin—over seven times the average cost of the firm’s first Bitcoin purchase. Below, we look back at Strategy’s seven largest Bitcoin purchases to date and their immediate impacts on the price of Bitcoin, marked from the time of Saylor’s announcements via social media.#1) 55,500 BTC - November 25, 2024Average price: $97,862 Total spend: $5.4 billion Michael Saylor announced Strategy’s largest-ever purchase of Bitcoin, by both BTC and USD denominations, on November 25 in 2024. The purchase of 55,500 Bitcoin surpassed its previous top acquisition by more than $800 million.In the hours after the Saylor announcement, Bitcoin dropped by about $4,000 to under $94,000, a 4% decrease from the average price paid by Strategy.