MicroStrategy's stock, MSTR, has grown nearly 300% in the past year, outpacing Bitcoin's performance.MicroStrategy now owns over 250,000 BTC, worth approximately $17 billion.MicroStrategy's market cap has surpassed $50 billion, with its stock reaching the highest price in over 20 years.Japanese investment firm, Metaplanet, is also accumulating Bitcoin, holding over 1,000 BTC valued at around AUD $106 million.