Japanese Bitcoin treasury firm Metaplanet has surged past mining company CleanSpark to become the fifth-largest corporate holder of Bitcoin, following a major purchase worth $108 million.
On Monday, June 30, Metaplanet CEO Simon Gerovich said Metaplanet acquired an additional 1,005 BTC at an average price of $107,601 per coin, boosting its total holdings to 13,350 BTC. The firm has spent approximately $1.31 billion on its Bitcoin treasury, which is now valued at around $1.45 billion based on current market prices.
Metaplanet’s latest purchase places it ahead of CleanSpark, which holds 12,502 BTC, according to BiTBO data. It now trails only Strategy, Marathon Digital, Twenty One Capital, and Riot Platforms in corporate Bitcoin holdings, surpassing major companies such as Tesla, Coinbase, Hut 8, and Block Inc.

The acquisition follows Metaplanet’s strategic bond refinancing move to fund further Bitcoin buys. The firm issued 30 billion yen ($208 million) in 0% ordinary bonds from its EVO fund. Part of the funds will buy back and cancel its third series ordinary bonds, worth 1.75 billion yen ($12 million), which carried an annual interest rate of 0.36%, effectively securing an interest-free cash float for BTC accumulation.
In its disclosure, Metaplanet stated, “Funds raised through the issuance of the new bonds will be partially allocated to the buyback and cancellation, with the remainder used for the purchase of Bitcoin.”
The firm’s aggressive accumulation strategy is ramping up. Earlier this month, Metaplanet revised its Bitcoin target from 21,000 BTC to 100,000 BTC by 2026. It also announced plans to raise $5.4 billion to acquire up to 210,000 BTC by 2027 – a move that could make it the world’s second-largest corporate holder if current rankings remain.
Metaplanet’s year-to-date BTC yield has hit 349%, and investor sentiment has been strong. Its stock price jumped 9% on Monday and has soared over 350% since the start of 2025, according to Google Finance.
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