Metaplanet Inc. (USOTC:MTPLF), the Tokyo-listed Japanese company specializing in Bitcoin treasury management (COIN:BTCUSD), has added 518 BTC to its holdings in August 2025. The acquisition, worth about $61 million, was made at an average price of $118,519 per bitcoin.
Following the latest purchase, Metaplanet’s reserves total 18,113 BTC, with a market value of roughly $1.85 billion and an average acquisition cost of $101,911 per coin. This firmly positions the company as the world’s sixth-largest corporate Bitcoin holder, according to Bitcointreasuries data.
The firm continues to fund its aggressive accumulation strategy through share and bond issuances. Recently, Metaplanet unveiled plans to raise up to 555 billion yen (approximately $3.7 billion) via perpetual preferred shares to support ongoing acquisitions.
Metaplanet also updated its “BTC Yield” — a metric comparing bitcoin holdings to fully diluted shares. Between July 1 and August 12, the yield stood at 26.5%. This figure has seen sharp swings, moving from 41.7% in Q3 2024 to 309.8% by year-end, before dropping to 95.6% and 129.4% in the following two quarters.
Despite the latest acquisition, Metaplanet shares slipped 2.7% on Tuesday, closing at 975 yen ($6.60). The stock is down 37% so far in August but remains up 183% year-to-date.
Globally, MicroStrategy (NASDAQ:MSTR) continues to lead corporate Bitcoin ownership with 628,946 BTC worth about $74 billion. Earlier this week, Michael Saylor’s company disclosed it had purchased another 155 BTC for roughly $18 million.
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