$BTC "MicroStrategy" is considered a leader in Bitcoin support, owning the largest number of Bitcoin among publicly traded companies.

The company was founded by Michael Saylor, an entrepreneur of the internet age, and has long advocated for Bitcoin, making it now a part of its business model. Earlier this week, the company purchased approximately 55,500 Bitcoin for $5.4 billion, raising its total holdings to about 386,700 Bitcoin, which represents 1.2% of the total Bitcoin that will ever be mined, totaling 21 million coins. Based on current market prices, the Bitcoin owned by the company is valued at approximately $37 billion.

2- Mara "Mara"

"Mara Holding", formerly known as "Marathon Digital Holdings", is considered a leader in cryptocurrency mining and specializes in creating Bitcoin.

According to data from the "CoinGecko" platform, "Mara" has the second-largest Bitcoin reserve among publicly traded companies, owning 26,842 Bitcoin. Based on current market prices, this amount is estimated at approximately $2.51 billion, highlighting "Mara"'s significant size and impact in the cryptocurrency system.