Author: Christopher Rosa, Research Analyst at Galaxy Digital; Translation: Golden Finance xiaozou
Michael Saylor's innovative move to massively allocate Bitcoin (BTC) through financial engineering at Strategy (MSTR) has sparked a wave of corporate imitation. To date, over 50 companies have adopted their Bitcoin-centric reserve strategy, and the number continues to grow. However, a number of companies are currently forging new paths—they are not only seeking exposure to crypto assets but are also committed to integrating into Ethereum's own economic ecosystem.
This article will delve into the first four publicly listed American companies that have established Ethereum reserves, closely tracking their financing paths, assessing "Ethereum Concentration" (the number of ETH held per share), and analyzing the premium levels assigned to their Ethereum reserves by the market. In addition to quantitative indicators, we will also explore the far-reaching impacts of these strategies on the health of the Ethereum network, the staking ecosystem, and the DeFi infrastructure, revealing how these financial strategies reshape corporate balance sheets while injecting core capital into Ethereum's decentralized economic system.
1. SharpLink Gaming (SBET)
(1) Company Background
SharpLink Gaming (Nasdaq code: SBET) was founded in 2019 and is an online technology company that provides real-time Gambling and interactive gaming services to sports fans through a proprietary platform. The company also develops free games and mobile applications and provides marketing services to sports media, leagues, teams, and gambling platforms to enhance user engagement. Its operation of real-money fantasy sports and simulation games covers over 2 million users, with an annual consumption close to 40 million dollars, and has obtained operational licenses in all states across the U.S. that permit fantasy sports and online Gambling.
Starting last month, SharpLink began incorporating ETH into its balance sheet through a combination of private equity investment (PIPEs) and at-the-market (ATM) issuance financing. Management explained that this move stems from a strong belief in ETH as a yield-generating programmable digital asset, enabling the company to profit through staking and related income opportunities. It is noteworthy that this innovative financial strategy does not replace its core gaming and interactive Gambling business, but rather serves as a strategic complement to its main operations.
(2) Financing and ETH Acquisition Situation

(3) ETH Allocation and Staking Situation
SharpLink has staked all of its ETH reserves and earned 100 ETH in staking rewards from June 28 to July 4, bringing the total staking earnings since the launch of the program on June 2 to 322 ETH.
(4) Core Insights
SharpLink Gaming strategically positions itself in Ethereum, making it the largest holder of ETH reserves among currently listed companies. Through multiple equity financings, including a $0.425 billion large-scale PIPE financing and subsequent ATM issuance, the company quickly established the industry's largest Ethereum positions. Although this financial strategy carries risks such as ETH price fluctuations, it also creates considerable staking income potential, highlighting the appeal of proof-of-stake digital assets as reserve assets. By fully staking its ETH reserves, SharpLink not only generates income but also directly enhances the security and stability of the Ethereum network – enriching the diversity of validator participation while deeply binding corporate capital to the healthy development of the protocol.
2. BitMine Immersion Technologies (BMNR)
(1) Company Background
BitMine Immersion Technologies (NASDAQ: BMNR) is a blockchain infrastructure company based in Las Vegas, operating industrial-grade Bitcoin mines, selling immersion cooling hardware, and hosting third-party mining machines in low-cost energy regions such as Texas and Trinidad.
On June 30, the company raised approximately $0.25 billion by privately placing 55.6 million shares (at $4.50 per share) to expand its Ethereum reserves. As part of the transaction, Fundstrat co-founder Tom Lee was appointed as the chairman of the Board of Directors of BitMine, and the addition of this well-known crypto strategist will guide its ETH allocation expansion plan.
(2) Financing and ETH Acquisition Situation

(3) ETH Allocation and Staking Situation
BMNR holds a large amount of ETH reserves, but as of the writing of this article, there has been no public information confirming whether it has actively staked or deployed some of its ETH on-chain.
(4) Core Insights
BitMine's $0.25 billion financing added approximately 81,380 ETH to its balance sheet, bringing the total holding to over 163,000 ETH. To support this accumulation, the company expanded its diluted total equity to over 56 million shares, an increase of about 13 times. Such a level of equity dilution highlights the massive equity issuance required to support a large-scale Ethereum reserve strategy, as well as the capital-intensive nature of accumulating ETH in the public market.
3. Bit Digital (BTBT)
(1) Company Background
Bit Digital (Nasdaq Code: BTBT) is a digital asset platform founded in 2015 in New York, originally operating industrial-grade Bitcoin mining farms in the United States, Canada, and Iceland.
In June 2025, the company raised approximately $0.172 billion through a fully underwritten public follow-on offering and reallocated capital to Ethereum by selling 280 BTC, cumulatively purchasing about 100,603 ETH, completing a strategic transformation to an Ethereum staking and reserve model under the leadership of CEO and crypto industry veteran Sam Tabar.
(2) Financing and ETH Acquisition Status

(3) ETH Allocation and Staking Status
As of March 31, Bit Digital holds approximately 24,434 ETH, with 21,568 ETH in active staking. The company's report indicates that the average annualized yield from its ETH staking activities in 2024 is 3.2%.
After completing the strategic transformation, Bit Digital has significantly expanded its ETH reserves through public offerings and the sale of BTC, increasing total holdings to 100,603 ETH. Although the company has not disclosed the specific amount of ETH staked and expected yield after the transformation, its previous operations indicate that it will continue to generate profits through Ethereum staking.
(4) Core Insights
The financial transformation of Bit Digital is particularly noteworthy, as it combines traditional public offerings with unconventional BTC liquidation to purchase ETH. This strategy makes it a unique player among publicly listed crypto companies, highlighting the company's strong confidence in ETH's revenue-generating capabilities relative to the passive balance sheet function of BTC.
4. GameSquare (GAME)
(1) Company Background
GameSquare Holdings (Nasdaq: GAME) is a Texas-based gaming media group that owns brands such as FaZe Clan, Stream Hatchet, and GCN, providing creator-driven marketing and content services for global advertisers targeting Gen Z players. In July, the company raised approximately $8 million through a follow-on equity issuance and partnered with crypto institution Dialectic to launch an Ethereum reserve plan, aiming to allocate up to $0.1 billion in ETH with a target return of 8% to 14%.
(2) Financing and ETH Acquisition Status

(3) ETH Allocation and Staking Status
GameSquare has completed its first acquisition of Ethereum, purchasing ETH worth 5 million dollars as an important component of its digital asset reserve Global Strategy. This move marks the company's official entry into the crypto asset reserve sector, aiming to achieve asset diversification and support long-term innovation.
Core Insights
GameSquare's shift toward an Ethereum reserve strategy means it is ambitiously breaking the boundaries of its core gaming media business. By collaborating with Dialectic and leveraging its Medici platform, the company plans to invest funds into the decentralized finance (DeFi) sector to achieve significant returns of 8% to 14%—much higher than the average Ethereum staking yield (typically 3% to 4%). If executed properly, this strategy will enhance the liquidity of key DeFi protocols and enrich validator participation, directly promoting the stability and development of the entire Ethereum ecosystem, while solidifying the foundation of DeFi infrastructure through active participation of corporate capital.
ETH Concentration
The ETH concentration indicator, pioneered by SharpLink Gaming, provides investors with a clear and comparable parameter to assess the scale of listed companies' ETH reserves. This indicator is based on the amount of ETH held per 1,000 fully diluted shares, comprehensively accounting for potential equity dilution factors such as warrants, stock options, and convertible instruments. The displayed ETH holdings data is sourced either from direct disclosures by companies or estimated based on their announced funding fully allocated to ETH, while the fully diluted share count comes from company filing documents, Bloomberg, SEC documents, and financial databases, ensuring consistency and accuracy of cross-company data. This indicator provides investors with an intuitive comparative tool based on single-stock ETH exposure.

Market Cap relative to the book value premium of ETH reserves.

The above chart shows the multiple of each company's market cap relative to the book value of their Ethereum holdings (calculated by multiplying the total ETH held by a single coin cost of $2,600). A higher multiple means that investors' pricing has included the strategic value of options or expectations of future returns far exceeding the basic ETH holdings. GameSquare (GAME) leads with a premium of approximately 13.8 times, reflecting the market's strong bullish outlook on its early ETH position; BitMine (BMNR) has a premium of about 5 times after completing its latest $0.25 billion financing; Bit Digital (BTBT) and SharpLink (SBET) have more moderate premiums, showing relatively restrained market expectations. However, it should be noted that if the ETH price sharply declines, high premiums may amplify downward risks.
(2) Core Insights
Theoretical Divides Between ETH and Bitcoin Reserves
The rise of ETH reserves marks an important evolution in the strategy of listed crypto companies. The core theory of Bitcoin is its passive, digital gold-like value storage; however, Ethereum also has the unique advantage of generating active returns through staking and DeFi strategies. The four companies analyzed in this article all clearly view ETH as an interest-bearing reserve asset: SharpLink and BitMine have committed (or plan) to stake 100% of their holdings to earn protocol layer staking rewards; GameSquare goes a step further by partnering with Dialectic to employ complex DeFi strategies to pursue risk-adjusted enhanced returns. This embrace of revenue-generating Ethereum starkly contrasts with the non-interest bearing, passive model of Bitcoin reserves, marking a paradigm shift in corporate financial management towards active balance sheet growth.
Unlike many Bitcoin reserve companies that rely on convertible bonds and leverage (as described in a recent research report by Galaxy Securities), the four leading ETH reserve companies—SharpLink, BitMine, Bit Digital, and GameSquare—have all built their reserves entirely through equity financing. This means they have no debt maturity pressures, coupon payment obligations, or default risks during downturns in the crypto market. The zero-leverage characteristic significantly reduces systemic vulnerability, avoiding the refinancing and equity dilution risks associated with deeply in-the-money convertible bonds.
The key is that these Ethereum reserve strategies introduce structural innovation: productive capital. By staking ETH, companies can not only earn 3%-5% of protocol-native yields but also directly enhance the security and stability of the Ethereum network. The more ETH companies reserve and actively stake, the stronger the certainty and risk resistance of the Ethereum validator set, thus forming a long-term positive cycle between corporate capital and the health of the protocol.
In fact, the rise of ETH reserve companies is likely one of the significant drivers pushing the scale of Ethereum staking to break historical highs on July 9 (over 35 million ETH staked, accounting for more than 30% of the total).

For GameSquare, the company plans to implement enhanced yield strategies in partnership with entities like Dialectic, with its ETH reserves potentially allocated to lending, liquidity provision (LPing), or re-staking in DeFi native foundational protocols. This move not only enhances potential returns but also strengthens the core protocol ecosystem of Ethereum by deepening liquidity and institutional participation in decentralized markets.
Who faces the greatest risk of equity dilution.

Investors must cautiously assess how equity financing (especially PIPE transactions) can dilute existing shareholders' equity and suppress stock prices through the issuance of new shares to the market. The large-scale PIPE financing of BitMine makes it particularly susceptible to significant short-term dilution effects and stock price volatility. The PIPE and ATM combination scheme used by SharpLink causes immediate dilution and continues to generate gradual pressure. In contrast, Bit Digital and GameSquare adopt a more transparent and conventional method of public offerings, where the dilution effect is clearer and market risk may be lower. Ultimately, companies opting for a PIPE structure face a higher risk of initial market impact compared to ATM and traditional public offerings (especially evident during periods of volatility), although all these equity-based strategies avoid the features of high-leverage convertible bonds used in the Michael Saylor model adopted by Strategy.
6. Conclusion
On the surface, the drastic fluctuations in the stock prices of Ethereum reserves may resemble the speculative rise and fall cycles common with meme coins. However, there is an essential difference in the strategies employed by the first batch of ETH reserve companies: these companies do not rely on market speculation or passive asset exposure, but deliberately position Ethereum as a productive reserve asset—earning native yields through staking, or in some cases, allocating it to more complex DeFi strategies. This distinguishes them from Bitcoin reserve pioneer companies that follow a passive 'digital gold' model and often finance through high-leverage convertible bonds. In contrast, the four current ETH reserve companies (SharpLink, BitMine, Bit Digital, and GameSquare) all adopt equity financing strategies, avoiding the structural vulnerability risks associated with debt repayment pressures and maturity cliffs.
The key point is that this capital is not idle capital. By staking ETH, these companies directly enhance the security of network validators and the stability of the protocol layer. For example, when GameSquare adopts the DeFi native yield strategy, the reserve capital may also support liquidity supply, lending markets, and other Ethereum infrastructure. Although risks such as dilution effects, smart contract risks, and price volatility still exist, investors can use tools like dilution impact analysis and price-to-book value evaluations to assess downside risk and yield-driven upside potential. Ultimately, this wave of ETH reserves provides a new model that is more participatory and capital productive—while introducing a new class of market-based on-chain corporate reserve assets, it is likely to simultaneously enhance the Ethereum ecosystem.