Japanese investment firm Metaplanet has strengthened its position in the Bitcoin market with a massive new acquisition. The company revealed on Wednesday that it purchased 5,268 BTC valued at approximately $600 million, pushing its total holdings to 30,823 BTC.
According to BitcoinTreasuries.NET, this latest move propels Metaplanet into the fourth spot among corporate Bitcoin holders, surpassing the Bitcoin Standard Treasury Company.
The purchase was made at an average cost of 17.39 million yen (around $116,000) per coin, bringing the company’s total Bitcoin investment to roughly $3.6 billion. The coins were accumulated at an overall average price of $108,000, leaving the firm with an unrealized gain of more than 7.5% so far.
Metaplanet’s BTC Yield Growth
Metaplanet began adding Bitcoin to its reserves in April 2024 and quickly became one of the fastest-accumulating corporate buyers. The company’s filings show that its BTC Yield—a metric that measures the change in Bitcoin backing per share—soared to 309.8% by the end of 2024.
This figure indicates that each share was providing more than three times the Bitcoin exposure compared to when Metaplanet first adopted its BTC strategy. However, in 2025 the ratio stabilized at around 33%, signaling that while the company continues to accumulate, the pace of per-share growth has slowed.
Bitcoin in Corporate Treasuries
Latest figures from BitcoinTreasuries.NET reveal that publicly traded companies now hold over 1 million BTC, worth about $116 billion—roughly 4.7% of the entire circulating supply.
In total, 3.8 million BTC (valued at $442 billion) are locked in corporate treasuries, ETFs, governments, exchanges, and private entities.
Other digital assets are also seeing adoption in treasuries. Data from the Strategic ETH Reserve shows that Ether-based holdings, including ETFs and reserve institutions, amount to 12.14 million ETH (around $52 billion). Meanwhile, the Strategic SOL Reserve reports that 20.92 million SOL are held in treasury accounts, worth approximately $4.55 billion.
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