Japanese firm Metaplanet has acquired 619.70 BTC for $60.7 million, increasing its total Bitcoin holdings to 1,761.98 BTC valued at $169.2 million.The company raised 9.5 billion yen through bond issuance in order to make additional BTC investments and began trading on the US OTCQX Market.Metaplanet reported impressive gains of 309.82% in the last quarter and projected a 240% increase in annual revenue for 2024.The firm's Shareholder Benefits Program offers unique rewards, including a Bitcoin lottery, to attract long-term investors.