Summary Bitmine Immersion has shifted from Bitcoin mining to holding Ethereum as its primary treasury asset, driving recent stock volatility and gains. Major capital infusions and high-profile investments have fueled BMNR's ETH accumulation, now targeting 5% of the Ethereum network. The company's valuation is almost entirely tied to the value of its ETH holdings, with minimal operational revenue or traditional business fundamentals. I rate BMNR as a hold; it's best viewed as a speculative proxy for ETH rather than a fundamentally investable business. Bitmine Immersion Technologies ( BMNR ) is a Bitcoin miner, turned Ethereum Treasury company, whose stock has seen significant gains and volatility in 2025, particularly over the last couple of months. BMNR 6M Price History (Seeking Alpha) After reaching a high of $135 in July, the stock is back under $60, but as it started under $10, it's still an 8-bagger for the year. I personally believe that BMNR isn't investable. Rather, as a security, it serves as a tool to speculate on the fortunes of Ether ( ETH-USD ), and I therefore give it a neutral rating. Evolving Business Model Bitmine is technically a much older company, going back a century, with a variety of names and products in its life. The old business is a thing of the past, and their focus has been on Bitcoin mining since 2021. Its C-corp status was acquired, like a SPAC merger but with less steps. The company operates data centers for immersion-cooled miners. Miners are computers, specifically designed to mine cryptocurrencies effectively. Immersion-cooling, by comparison, offers more energy efficiency at scale than traditional air cooling. Their data center assets mine currencies that they themselves intend to own, and third parties may also use them for a share of the rewards. Income Statement (Amended Fiscal 2024 Form 10K) As the annual data show above, this is a business that only made a few million in revenue during the previous fiscal year. All of their financial data, up to this point, concern Bitcoin ( BTC-USD ) mining operations. Income Statement (Q3 Fiscal 2025 Form 10Q) The first three quarters of the current fiscal year show revenue of $4.8M. It's growth, but it's not a large operation. Balance Sheet (Q3 Fiscal 2025 Form 10Q) The most recent balance sheet, by that same token, only shows a few million in stockholder's equity, without any major assets either. They were unimpressive results, such that they had to do a reverse split of their stock in order to remain listed. Why, then, is the market cap over $6B right now? Move Into Ethereum BMNR's rally, which took place at the end of June and continued into July, followed announcements that would not currently be reflected in the financial results of their quarterly or annual results. The first news was the announcement of their transition into Ethereum , with a $250M private placement. In the release, they said: Proceeds from the private placement enable the Company to adopt Ethereum as its primary treasury reserve asset, while continuing its focus on the core business operations. While they clarified that the core operations would remain intact, this meant that the overwhelmingly majority of their balance sheet was an ETH reserve. They followed up with a public offering not long afterward, and more offerings would follow through the month. ETH Recent Price History (Seeking Alpha) The price of ETH also began to rise at this point, and so BMNR's price benefited not only from the capital infusions but also from the very quick appreciation of these purchased assets. By July 14th, they announced their ETH reserve was worth $500M. Shortly thereafter, it was also disclosed that Peter Thiel's Founders Fund had taken a 9.1% stake in the company. Another private placement with Cathie Wood's ARK Investments, which raised $177M in net proceeds. Both of these were seen as major votes of confidence. By July 24th, they announced having over $2B in ETH assets. This was followed by a $1B share buyback plan days later. The price of ETH has continued to grow, and last week Bitmine announced their ETH reserves were now worth almost $5B. Future Outlook While the BTC mining will remain in operation, I think that the scale is too small to be meaningful at this point, that the real impact will be tied to the fate of ETH. July 2025 Investor Presentation The focal point of their strategy, as shared in a recent investor presentation , is to acquire 5% of the ETH network. July 2025 Investor Presentation They believe ETH will benefit from the passage of the Genius Act. As they cite and as Val Brickates Kennedy wrote, here on Seeking Alpha: Regulatory clarity makes Ethereum ( ETH-USD ) the de facto smart contract platform for tokenized dollars. July 2025 Investor Presentation In Bitmain's own terms, where BTC is seen as digital gold, ETH should be seen as digital oil, being more of a productive asset than a store of value. This is because, while folks may use Ethereum's blockchain for a variety of purposes, some ETH is required to operate on it. Thus, it's a crypto with a specific use case, compared to BTC, which is largely driven by belief and enjoys its first-mover advantage. With the Genius Act gaining steam and passing this summer, it's not surprising that the company chose to move on the opportunity. If we can take a lesson from the likes of Strategy ( MSTR ), which pioneered the BTC treasury strategy, there's a good chance Bitmine will issue more equity to purchase ETH, as the 1.15M tokens from their announcement next week aren't 5% of the 120M total ETH tokens out there. It's also possible that convertible notes or preferred stock will be issued, effectively functioning as levered equity to try and enhance the return on ETH's appreciation. These pose some risks, not only of dilution, but that decreases in the value of ETH could be further compounded by interest and dividend obligations. While they openly cite Strategy as a model, there is no official strategy yet released, and so it remains in the realm of what could be. Aside from the nominal yield from their ability to stake their ETH, there isn't much revenue at work here, and BMNR's intrinsic value is largely going to be based on the balance sheet of the company, its ETH portfolio. A market cap of $6.3B for about $57 per share seems to be very close to the current portfolio value, based on recent updates. There's not much sign of undervaluation or overvaluation in my eyes. Conclusion Given that and how I don't see a point in betting for or against it, I assign a hold rating to BMNR. This stock is more likely to be a better tool for traders that want to bet on or against ETH, effectively making it a crypto derivative but without the drawback of an expiry. There just aren't many fundamentals here, and trading effectively requires knowing when key updates relevant to ETH will occur.