Metaplanet crosses 10,000 BTC threshold, overtakes Coinbase to become seventh-largest public Bitcoin treasury holder
Japanese investment firm Metaplanet has acquired 1,112 Bitcoin for 16.88 billion yen, roughly $117 million, pushing its total holdings past the 10,000 BTC mark. The purchase, reported by Cointelegraph, elevates Metaplanet past Coinbase’s 9,267 BTC stash and into the ranks of the seventh-largest publicly traded company by Bitcoin treasury size.
The acquisition is the latest in a series of aggressive buys by the Tokyo-listed firm, which has positioned itself as one of the most conspicuous corporate adopters of a Bitcoin-centric balance sheet strategy outside North America. According to Cointelegraph, Metaplanet’s average cost basis across its 10,000 BTC holdings stands at 13.9 million yen per coin, approximately $96,400. That figure places the firm’s aggregate cost basis well above current circulating market averages for corporate holders, reflecting a willingness to accumulate at premium price levels rather than wait for deeper pullbacks.
The significance of the 10,000 BTC milestone extends beyond round-number symbolism. It marks a clear inflection point in the global corporate Bitcoin treasury race, where publicly listed companies are increasingly competing not merely against one another but against the largest exchange-traded fund issuers and sovereign-style vehicles for a finite supply of auditable, on-chain reserves. Metaplanet’s ascent past Coinbase is particularly notable because Coinbase operates the largest US-regulated spot crypto exchange and holds Bitcoin partly as operational reserves. That a Japanese investment firm, with a far shorter history of Bitcoin accumulation, has now surpassed that holding underscores how quickly the competitive landscape can shift when a corporate buyer commits to a leveraged acquisition programme.
For broader context on how corporate Bitcoin accumulation is reshaping the market, see our Bitcoin coverage.
The 210,000 BTC ambition and financing strategy
Metaplanet’s ambitions extend far beyond its current 10,000 BTC holding. The firm has revised its strategic target to 210,000 BTC by the end of 2027. That figure is not arbitrary. It represents roughly 1% of Bitcoin’s total supply cap of 21 million coins, a threshold that several Bitcoin maximalists and treasury strategists have cited as a meaningful benchmark for institutional significance. Reaching it would place Metaplanet in the same conversation as the largest sovereign and quasi-sovereign Bitcoin holders globally.
The gap between aspiration and current reality is stark. With 10,000 BTC already secured, Metaplanet still needs to acquire approximately 200,000 BTC over the next 18 months to meet its revised target. That equates to an average acquisition pace of roughly 11,000 BTC per month, a rate that would require sustained capital deployment on a scale rarely seen outside the largest spot Bitcoin ETFs during their peak inflow periods.
To fund this programme, Metaplanet’s board approved the issuance of $210 million in no-interest bonds on the same day as the latest purchase was disclosed. The bonds are specifically earmarked for further Bitcoin acquisitions. The use of no-interest debt instruments is a notable structural choice. It allows the firm to raise capital without the carrying cost of coupon payments, effectively transferring the entire yield burden onto the expectation that Bitcoin’s price appreciation will outpace any dilution or opportunity cost incurred by bondholders. This is a high-conviction trade. If Bitcoin’s price rises meaningfully over the bond’s duration, the strategy is accretive. If it stagnates or falls, the firm faces dilution and reputational risk without the buffer of interest coverage.
The bond structure also raises questions about the depth of demand for Bitcoin-proxy fixed income in the Japanese market. Metaplanet has previously used warrant-attached bonds and other equity-linked instruments to fund Bitcoin purchases, and the willingness of investors to subscribe to no-interest paper suggests a segment of the Japanese institutional and retail market that is prepared to accept equity-like risk for Bitcoin exposure without direct custody. Whether that demand can scale to support the full 200,000 BTC acquisition programme remains an open question, and one that will likely be answered only as subsequent tranches are brought to market.
Market reaction and the equity-crypto correlation
The market’s response to Metaplanet’s latest purchase was immediate and pronounced. The firm’s stock rose over 22% on the Tokyo Stock Exchange, peaking at 1,860 yen. On a year-to-date basis, the shares were up more than 417% at the time of reporting. That performance places Metaplanet among the best-performing listed equities in Japan for the period, and it does so on the back of a strategy that is essentially a leveraged bet on a single digital asset.
The sharp equity rally illustrates a broader phenomenon that has become increasingly visible since late 2023. Public companies that adopt explicit Bitcoin treasury strategies are seeing their equity valuations move in tight correlation with Bitcoin’s spot price, often with amplified beta. When Bitcoin rises, these stocks tend to rise faster. When it falls, they tend to fall harder. Metaplanet’s 22% single-session gain, triggered by a Bitcoin purchase rather than an earnings beat or a product launch, is a textbook example of this dynamic.
This correlation matters for several reasons. First, it creates a feedback loop. Rising equity prices give Bitcoin-focused companies a more valuable currency with which to issue new shares or convertible instruments, which in turn funds further Bitcoin purchases, which can push Bitcoin’s price higher, which further boosts the equity. This self-reinforcing mechanism was a defining feature of MicroStrategy’s trajectory in the United States, and Metaplanet appears to be replicating it in the Japanese market.
Second, it changes the risk profile for equity investors. Shareholders in Metaplanet are no longer buying a diversified investment firm. They are buying a Bitcoin proxy with an equity wrapper, and their returns will be governed primarily by Bitcoin’s price trajectory, the firm’s average cost basis, and the degree of leverage embedded in the capital structure. The reported average cost of approximately $96,400 per Bitcoin means that Metaplanet’s treasury is currently valued at a premium to the prevailing market price at the time of the report, given that Bitcoin was trading near all-time highs. If Bitcoin’s price remains elevated or moves higher, the unrealised gains on the firm’s holdings will be substantial. If it retreats, the firm’s equity could reprice sharply lower.
Third, the correlation has implications for portfolio construction and risk management across the Japanese equity market. Fund managers who hold Metaplanet as part of a broad Japanese equity allocation may find themselves with unintentional and concentrated crypto exposure. As the firm’s Bitcoin holdings grow, so too does the sensitivity of its share price to crypto market events, creating potential mismatches between the risk profiles investors believe they hold and the ones they actually do.
Regulatory and competitive implications
Metaplanet’s ascent also carries regulatory implications. Japanese financial authorities have generally taken a more measured approach to crypto than their counterparts in the United States or the European Union, emphasising investor protection, strict exchange licensing, and accounting clarity. The fact that a Tokyo-listed firm can raise no-interest bonds specifically to buy Bitcoin, and see its stock surge 22% on the announcement, suggests that the regulatory environment in Japan is permissive enough to allow corporate Bitcoin treasury strategies to flourish without the kind of enforcement overhang that has periodically complicated similar efforts in other jurisdictions.
The competitive dimension is equally important. Metaplanet’s move past Coinbase in BTC holdings redraws the map of public-company Bitcoin treasuries. While MicroStrategy remains the dominant player by a wide margin, the second tier of holders is now more fluid and more international than it was even a year ago. Firms in Japan, Hong Kong, and several European markets are actively building positions, and the ranking of the largest public holders is likely to shift repeatedly as new purchases are disclosed.
For Coinbase, being overtaken by Metaplanet is not necessarily a strategic concern. Coinbase’s Bitcoin holdings serve a different function, partly operational and partly custodial, and the exchange’s business model does not depend on being the largest corporate holder of the asset. But the symbolic weight of a Japanese investment firm surpassing the largest US exchange by treasury size is not lost on the market. It signals that the corporate Bitcoin treasury trend has globalised and that the competition for finite supply is no longer a US-centric story.
Analytical closing
Metaplanet’s crossing of the 10,000 BTC threshold is a concrete data point in a trend that has been building for over a year. Public companies are increasingly willing to use debt, equity issuance, and operating cash flow to accumulate Bitcoin, and they are doing so at price levels that would have seemed aggressive just months ago. The firm’s 210,000 BTC target for 2027 is ambitious to the point of improbability, but even partial progress toward it would require sustained monthly buying on a scale that would compete with the largest ETF inflows. The equity market’s enthusiastic response, with a 22% single-day gain and a 417% year-to-date return, confirms that investors are pricing in the expectation of continued Bitcoin appreciation and continued aggressive accumulation. Whether that expectation is justified will depend on Bitcoin’s price trajectory, Metaplanet’s ability to execute its financing programme, and the willingness of bond and equity investors to keep funding a strategy that is, at its core, a leveraged bet on a single volatile asset. The trend itself, however, is now well established, and Metaplanet’s latest move reinforces it with unmistakable clarity.
