Metaplanet has acquired 1,009 BTC for $112 million, pushing its holdings to 20,000 BTC worth $2.05 billion, cementing its position as Japan’s largest corporate bitcoin holder. Japan’s Metaplanet Expands Bitcoin Treasury to $2 Billion Metaplanet Inc. has reached a major milestone in its bitcoin treasury strategy, crossing the 20,000 BTC mark after its latest purchase.