Bitmine Immersion Technologies is a U.S.-based company whose primary business is accumulating and holding ETH (Ether, the native cryptocurrency of the Ethereum blockchain) as a corporate treasury asset. The model is simple: Bitmine raises capital through public equity offerings, private placements, and an at-the-market program, then deploys that capital to buy and hold ETH. The company claims to be the largest institutional ETH holder in the world, with roughly $8.3B in digital asset holdings as of late November 2025. The model is explicitly patterned on Strategy (formerly MicroStrategy), which pursues the same approach with BTC. Beyond simple price appreciation, Bitmine aims to grow its ETH holdings through staking, liquid staking, and DeFi yield protocols. Bitmine also operates a small secondary business providing consulting, advisory, and equipment leasing services to BTC miners and digital asset firms. The company previously operated BTC mining facilities using immersion-cooling technology but wound down direct mining in mid-2025 due to post-halving economics. The company runs lean, with just three full-time employees and four contractors. The core risk in the model is continuous equity issuance to fund ETH purchases — if ETH prices fall, treasury value drops while share count grows, creating a dilution trap; if ETH appreciates faster than dilution, shareholders get leveraged upside.