MicroStrategy has officially joined the Nasdaq 100, marking a significant milestone as the first Bitcoin company in the index. Following the announcement, its stock rose 0.57% in after-hours trading, reflecting growing institutional recognition of the cryptocurrency sector. The company, founded by Michael Saylor, has aggressively invested in Bitcoin, currently holding over 423,650 BTC valued at approximately $42.8 billion, solidifying its position as the largest corporate Bitcoin holder globally.