BitMine Immersion Technologies (NYSE: BMNR) reported holdings of 5,983,940 ETH as of September 20, 2026, representing 4.9% of Ethereum's 122.1 million circulating supply. The company is within 0.1 percentage points of its stated target of 5%. Combined crypto, cash, and investment holdings stand a...
"Bitmine believes a crypto bull market began in late [June], driven by rotation from AI back to crypto and stronger fundamentals around tokenization and artificial intelligence." — Tom Lee, Chairman, BitMine Immersion Technologies
BitMine Immersion Technologies (NYSE: BMNR) reported holdings of 5,983,940 ETH as of September 20, 2026, representing 4.9% of Ethereum's 122.1 million circulating supply. The company is within 0.1 percentage points of its stated target of 5%. Combined crypto, cash, and investment holdings stand at $17.1 billion. The stock trades at $27.88, giving BitMine a market capitalization of $16.56 billion.
The firm has purchased ETH weekly since June 30, 2025 — 64 consecutive weeks — and has staked 5,067,309 ETH (85% of holdings) at an annualized yield of 2.62%, projecting $357 million in annual staking revenue. This staking income is the structural wedge that separates BitMine's Ethereum treasury model from Strategy's (formerly MicroStrategy) Bitcoin treasury model. Strategy holds 846,000 BTC worth approximately $72 billion but generates zero native yield on its position.
BitMine is not alone. CoinGecko tracks 34 public companies holding a combined 7.9 million ETH worth $18.9 billion — 6.49% of total supply. The corporate ETH treasury sector has emerged as a distinct asset class in 2026, layering yield economics on top of directional exposure.
BitMine's latest weekly purchase of 27,562 ETH, disclosed on September 21, 2026, brought total holdings to 5,983,940 tokens. At $2,688 per ETH (Coinbase reference price), the position is valued at approximately $16.1 billion.
The company's progression toward its 5% supply target has been methodical. BitMine pivoted from Bitcoin mining to an Ethereum-first treasury strategy in mid-2025 and has accumulated at a pace that brought it from zero to 4.9% of circulating supply in 15 months. The company now reports it is 98% of the way to its target.
BitMine's total holdings breakdown as of September 20, 2026:
| Asset | Amount | Value | |-------|--------|-------| | ETH | 5,983,940 | $16.1B | | Bitcoin | 212 BTC | ~$18M | | Cash & Marketable Securities | — | $714M | | Beast Industries stake | — | $180M | | Eightco Holdings (NASDAQ: ORBS) | — | $105M | | Total | | $17.1B |
The stock's 5-day average daily trading volume stands at $1.2 billion, ranking it #100 by trading volume among U.S.-listed equities. BitMine was added to the Russell 1000 Index on June 26, 2026.
BitMine's accumulation has been funded through aggressive capital market activity. The company entered into an ATM (at-the-market) offering agreement with Cantor Fitzgerald and ThinkEquity on July 9, 2025. By February 2026, it had sold 253.5 million shares for net proceeds of $10.1 billion. By May 31, 2026, the share count had reached 340.7 million shares sold under the ATM program.
To accommodate this pace, BitMine's stockholders approved an increase in authorized common shares from 500 million to 50 billion on January 15, 2026 — a 100x expansion of the share authorization ceiling. As of February 28, 2026, there were 493.9 million shares outstanding.
On June 4, 2026, BitMine added a second capital layer: an underwritten offering of 3.5 million shares of 9.50% Series A Perpetual Preferred Stock at $80 per share, raising $273.8 million net of underwriting costs. The preferred stock carries a fixed 9.5% annual dividend, creating a fixed-cost funding mechanism alongside the equity ATM.
The structure mirrors Strategy's playbook: issue equity and fixed-income instruments, deploy proceeds into a single cryptocurrency, grow crypto-per-share, and use the resulting NAV premium to raise more capital.
The most consequential distinction between the BitMine and Strategy models is yield. Bitcoin is a proof-of-work network; holding BTC generates no protocol-level income. Strategy's treasury is inert — it appreciates or depreciates with BTC price but produces no cash flow.
Ethereum is proof-of-stake. BitMine has staked 5,067,309 ETH — 85% of its holdings — generating a 2.62% annualized yield. At current levels, this projects to $357 million in annual staking revenue. If the company staked its full position, projected revenue would rise to $421 million.
BitMine stakes through a combination of institutional validators and its MAVAN (Made in America Validator Network) infrastructure. Staking revenue provides a partial offset to the company's capital costs, including the 9.5% preferred dividend ($26.6 million annually on $280 million of preferred).
Network-wide, Ethereum staking yields have compressed steadily as participation increases. The share of ETH supply staked has climbed to 34% from 29% at the start of 2026, with approximately 38.9 million ETH locked across roughly 897,000 active validators. Base consensus yield sits at approximately 2.78%, though validators running MEV-Boost can capture an additional 0.5 to 1.0 percentage points, pushing realized returns to 3.1–3.3%.
The protocol's issuance model scales inversely with the square root of total staked ETH. Each marginal validator dilutes per-validator rewards. This creates a structural headwind for BitMine's yield: as more ETH is staked — partly by BitMine itself — the yield on each unit declines.
BitMine operates within a growing but concentrated sector. According to CoinGecko data, 34 publicly traded companies collectively hold approximately 7.9 million ETH worth $18.9 billion, representing 6.49% of Ethereum's total supply.
The top five corporate Ethereum holders:
| Company | Ticker | ETH Holdings | % of Supply | |---------|--------|-------------|-------------| | BitMine Immersion Technologies | BMNR | 5,983,940 | 4.9% | | SharpLink Gaming | SBET | 888,938 | 0.72% | | Dynamix / The Ether Machine | ETHM | 496,712 | 0.41% | | Coinbase Global | COIN | ~300,000+ | ~0.25% | | Various smaller holders | — | ~250,000 | ~0.20% |
BitMine alone accounts for roughly 76% of all publicly reported corporate ETH holdings. The concentration is extreme — more concentrated than Strategy's share of corporate Bitcoin treasuries.
SharpLink (SBET), the second-largest holder with 888,938 ETH worth approximately $2.3 billion, stakes nearly 100% of its position. Dynamix, which is merging with The Ether Reserve to form The Ether Machine (ETHM), holds approximately 3.8% of circulating supply and has stated a target identical to BitMine's: 5% of ETH supply.
If both BitMine and The Ether Machine reach their 5% targets, these two entities alone would control 10% of Ethereum's circulating supply. Combined with SharpLink and other holders, corporate treasuries could lock up 11–12% of all ETH.
Both companies employ near-identical capital structures — ATM equity programs, preferred stock, convertible instruments — to fund single-asset accumulation strategies. The key differences are structural:
| Metric | BitMine (BMNR) | Strategy (MSTR) | |--------|---------------|----------------| | Asset | ETH | BTC | | Holdings | 5.98M ETH | 846,000 BTC | | Holdings Value | ~$16.1B | ~$72.1B | | Market Cap | $16.56B | ~$60B | | Native Yield | 2.62% ($357M/yr) | 0% | | % of Asset Supply | 4.9% | ~4.0% | | 52-Week Stock Range | $12.80–$65.60 | — |
Strategy has the advantage of scale and a five-year track record. BitMine has the advantage of yield. The staking income gives BitMine a cash flow buffer that partially defrays its cost of capital — something Strategy has never had.
However, yield introduces its own complexity. Staking requires validator infrastructure, carries slashing risk (though minimal in practice), and subjects the company to protocol-level governance decisions about issuance rates. An Ethereum Foundation proposal flagged in August 2026 to modify validator rewards could directly impact BitMine's revenue model.
BitMine's staking position represents approximately 13% of all staked ETH on the network (5.07M out of 38.9M). This concentration raises governance questions. While staked ETH does not carry direct governance voting rights in the way equity shares do, validator operators influence client diversity, MEV extraction practices, and the direction of protocol upgrades through signaling.
The Ethereum community has historically resisted validator concentration. Lido, the largest liquid staking protocol, self-imposed a 33% cap on network share after community pressure. No equivalent governance mechanism constrains the growth of corporate treasury stakers.
At current ETH prices ($2,688–$2,713), BitMine's position also represents a material share of daily trading liquidity. Any decision to sell — however unlikely given the strategy's design — would be subject to market impact constraints. The company's 52-week stock range of $12.80 to $65.60 reflects the volatility inherent in running a levered single-asset strategy.
Dilution risk. BitMine authorized 50 billion shares against roughly 494 million outstanding — a 100:1 ratio of authorized to issued. Continued ATM selling dilutes per-share economics unless ETH price appreciation outpaces share issuance.
Yield compression. As ETH staking participation grows (now at 34% of supply), per-validator yields decline. BitMine's own accumulation accelerates this compression.
Concentration risk. A single asset (ETH) accounts for 94% of BitMine's total holdings. A sustained decline in ETH price could trigger margin calls on any leveraged positions and erode the NAV premium that funds the flywheel.
Regulatory risk. The SEC has not definitively classified ETH staking income for corporate treasury purposes. Changes to how staking rewards are taxed or regulated could alter the economics of the strategy.
Protocol risk. Ethereum's issuance curve, staking parameters, and validator economics are subject to community governance. The August 2026 proposal to target validator rewards highlights this dependency.
BitMine's approach to Ethereum mirrors what Strategy built for Bitcoin — a publicly traded vehicle that converts equity and debt capital into protocol-level exposure. The difference is yield. By staking the majority of its position, BitMine generates hundreds of millions in annual protocol income, creating a partial cost-of-capital offset that does not exist in the Bitcoin treasury model.
The trade-off is complexity. Staking yield compresses as participation grows, validator concentration raises network governance questions, and Ethereum's protocol economics are subject to community-driven changes in ways that Bitcoin's fixed supply is not. BitMine's 50 billion share authorization provides years of ATM runway but introduces dilution risk that compounds in a bear market.
The 5% supply target is now essentially reached. The next question is whether BitMine raises the target, moderates purchasing, or pivots to maximizing yield on existing holdings. For Ethereum's network, the more consequential question is what happens when corporate treasuries collectively control more than 10% of circulating supply and 13% of staked ETH.