Metaplanet, a Japanese company, has purchased an additional 160 Bitcoin worth $13.39 million, increasing its total holdings to 4,206 BTC.Metaplanet is now Asia's largest corporate Bitcoin holder and the ninth-largest worldwide.In addition to direct purchases, Metaplanet acquired 696 BTC through selling cash-secured Bitcoin put options during the first quarter of 2025.The company aims to reach 10,000 BTC by the end of 2025 and expand to 21,000 BTC by late 2026.