Bitmine Immersion Technologies (NYSE: BMNR) has accumulated 5.28 million ETH — 4.37% of the 120.7 million circulating supply — making it the largest corporate Ethereum holder on the planet. The company, which pivoted to an ETH treasury model in June 2025, has spent approximately $10 billion in eq...
"The increase is not intended to dilute shares, but instead to enable capital raising, dealmaking, and future share splits." — Tom Lee, Chairman, Bitmine Immersion Technologies
Bitmine Immersion Technologies (NYSE: BMNR) has accumulated 5.28 million ETH — 4.37% of the 120.7 million circulating supply — making it the largest corporate Ethereum holder on the planet. The company, which pivoted to an ETH treasury model in June 2025, has spent approximately $10 billion in equity issuance to build a position now valued at $11.6 billion at current prices. It staked 4.71 million of those tokens through its proprietary MAVAN validator network, projecting $324 million in annual staking income.
The play mirrors what Strategy Inc. (formerly MicroStrategy, NYSE: MSTR) did with Bitcoin starting in 2020, but with one critical difference: Ethereum is a yield-bearing asset. BMNR's staking operation generates cash flow that Strategy's dormant Bitcoin pile does not. The trade-off is execution risk: BMNR's share count has expanded over 228x since the pivot, and its stock trades at $19.21, down 88% from its 52-week high of $161.00, with a market capitalization of $11.3 billion — roughly equivalent to the ETH on its balance sheet. The premium era, for now, is over.
Bitmine began its Ethereum accumulation in June 2025 with a $250 million private placement backed by ARK Invest's Cathie Wood, Founders Fund, Pantera Capital, Kraken, Digital Currency Group, and Galaxy Digital. The stated objective: acquire 5% of the total ETH supply.
Ten months later, BMNR is close. The company's ETH holdings progressed as follows:
| Date | ETH Holdings | USD Value | % of Supply | |------|-------------|-----------|-------------| | May 5, 2026 | 5,180,131 | ~$13.1B | 4.29% | | May 11, 2026 | 5,210,000 | ~$13.4B | 4.31% | | May 17, 2026 | 5,278,462 | ~$11.6B | 4.37% |
The decline in USD value between May 11 and May 17 reflects ETH's 8% weekly price drop to approximately $2,191 per token, not a reduction in holdings. BMNR added 68,462 ETH during that week, though this pace represents a 74% slowdown from its largest weekly haul of 101,627 ETH in late April, according to CoinDesk. Management described the deceleration as a shift from aggressive expansion to "optimization."
The broader balance sheet as of May 17: 5.28 million ETH, 202 BTC, a $200 million equity stake in Beast Industries, $83 million in Eightco Holdings, and $685 million in cash. Total crypto and cash holdings: $12.6 billion.
On March 25, 2026, BMNR launched MAVAN — the "Made in America VAlidator Network" — an institutional-grade Ethereum staking platform originally built to service its own treasury. Of the 5.28 million ETH held, 4,712,917 tokens (89.3%) are now staked.
At the current 7-day BMNR yield of 2.80%, Bitmine projects $324 million in annual staking revenue at full deployment. For context, Ethereum's network-wide average validator yield sits at approximately 3.3%, according to Datawallet's staking statistics. BMNR's slightly lower realized yield may reflect the mechanics of operating at scale across a validator set of this magnitude, though the company has not disclosed the exact number of validators it operates.
MAVAN's stated ambition extends beyond BMNR's own treasury. The company intends to offer staking-as-a-service to institutional investors, custodians, and ecosystem partners. If realized, this would position BMNR as both the largest single staker on Ethereum and a competing infrastructure provider to established players like Lido, Coinbase Cloud, and Figment.
One data point warrants scrutiny: according to The Block's treasury tracker, only 1.1 million of Bitmine's reported 4.97 million ETH (at that snapshot) have been verified on-chain. The discrepancy between self-reported holdings and on-chain-verified balances has not been publicly reconciled by the company.
BMNR's ETH accumulation has been funded almost entirely through equity issuance. The numbers are stark:
The company trades at roughly 1.0x its net asset value (NAV), meaning the market assigns zero premium to BMNR's management, staking operations, or future growth. This is a departure from the MicroStrategy playbook, where MSTR historically traded at a 1.5–2.5x premium to its Bitcoin NAV, though that premium has compressed to approximately 1.25x in mid-2026.
A Seeking Alpha analysis published in May noted that BMNR was "trading below book value," suggesting the market has priced in continued dilution risk. BanklessTimes reported in May 2026 that the stock remained "in a deep slumber" between support at $17.68 and resistance at $24.00 since February, as investors waited for either an Ethereum price recovery or an end to the dilution cycle.
The 50-billion-share authorization gives management significant runway to continue issuing equity. Whether that authorization is deployed for further ETH purchases, acquisitions, or share splits remains at management's discretion.
The two dominant corporate crypto treasury plays now command distinct positions:
| Metric | Strategy (MSTR) | Bitmine (BMNR) | |--------|-----------------|----------------| | Asset | Bitcoin | Ethereum | | Holdings | 843,738 BTC | 5,278,462 ETH | | USD Value | ~$63.5B | ~$11.6B | | % of Supply | 3.9% of 21M cap | 4.37% of 120.7M | | Yield | 0% (no staking) | 2.80% (~$324M/yr projected) | | NAV Premium | ~1.25x | ~1.0x | | Avg. Cost Basis | $66,385/BTC | ~$1,905/ETH (implied) | | Listing | NYSE | NYSE | | Financing | Convertible debt + equity | Primarily equity |
The structural difference is yield. Strategy's Bitcoin generates no income; the investment thesis is purely directional. BMNR's staked ETH produces protocol-level rewards, providing a cash-flow argument that Bitcoin treasury firms lack. However, Strategy's financing mix — including convertible notes — is more sophisticated than BMNR's dilution-heavy equity approach.
Strategy's Bitcoin accumulation also began five years earlier (August 2020), giving it the benefit of a substantially lower cost basis relative to current market prices. BMNR, having started in June 2025, entered near the tail of an Ethereum rally and has seen the asset decline approximately 45% from its cycle peak, compressing the value of its treasury while dilution continued.
According to CoinDesk, Bitmine's ETH buying pace was "catching Strategy's Bitcoin accumulation pace" as of late April 2026, measured in the dollar volume of weekly purchases.
BMNR does not operate in isolation. According to Arkham Intelligence's research, 119 publicly traded companies now hold Bitcoin, Ethereum, or other digital assets on their balance sheets as of April 2026. The aggregate numbers:
Ethereum treasury growth has outpaced Bitcoin's by a factor of 4.5x, driven largely by BMNR's aggressive accumulation. Strip out Bitmine, and corporate ETH holdings sit at approximately 1.3 million tokens — still a significant number but a fraction of BMNR's single-entity position.
The sector faces headwinds. Galaxy Digital warned that at least five crypto treasury firms face asset sales or closure in 2026. DL News reported that the "premium era is over" for corporate crypto proxy stocks, as investors reassess the value of holding crypto through equity wrappers when spot ETFs provide direct exposure at lower cost and without dilution risk.
The top five corporate Ethereum holders:
BMNR holds more ETH than the next four combined.
Ethereum's total circulating supply stands at 120.7 million ETH. Approximately 35.9 million ETH (29.7%) is staked network-wide. BMNR alone accounts for 4.71 million staked ETH, or roughly 13.1% of all staked Ethereum. A single corporate entity controlling over one-eighth of the network's staked supply raises governance and security questions that the Ethereum community has historically flagged when Lido Finance approached the 33% threshold.
Unlike Lido — a decentralized protocol with distributed node operators — BMNR is a single corporate entity making unilateral staking decisions. The concentration poses several theoretical risks:
These risks remain theoretical as of this writing. BMNR has not been involved in any slashing events, and Ethereum's protocol does not currently use stake-weighted governance voting.
BMNR has executed the fastest large-scale corporate crypto accumulation in history, reaching 4.37% of Ethereum's supply in under a year. The staking yield gives it a structural advantage over Bitcoin treasury peers, but the dilution math has eroded shareholder value: the stock sits 88% below its 52-week high while the ETH hoard grows. The market currently values BMNR at roughly the liquidation value of its assets, suggesting investors see the treasury but not a business.
The 5% supply target remains within reach. Whether reaching it creates value for shareholders — rather than merely concentrating ETH in a corporate wrapper — depends on Ethereum's price trajectory, the pace of future dilution, and whether MAVAN's institutional staking service generates revenue beyond BMNR's own treasury. For now, the market's verdict is a 1.0x multiple: the ETH, nothing more.