Quantum Solutions, backed by ARK Invest, has become the largest Ether treasury outside the US after accumulating 2,365 ETH worth $9 million in one week, positioning it as Japan’s leading publicly listed ETH digital asset treasury and the 11th largest globally.
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Quantum Solutions amassed 3,866 ETH valued at $14.8 million, with plans to reach a 100,000 ETH target through aggressive daily purchases.
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The firm raised $180 million in September 2025 from investors including ARK Invest and Susquehanna International Group to build its Ether holdings.
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Japan supports publicly listed digital asset treasuries, unlike restrictions in Hong Kong, India, and Australia, per data from CoinGecko.
Discover how ARK Invest-backed Quantum Solutions became the largest Ether treasury outside the US, holding over 3,800 ETH and targeting 100,000 ETH. Explore investment strategies and market impacts today.
What is Quantum Solutions’ Ether Treasury Strategy?
Quantum Solutions’ Ether treasury strategy involves rapidly accumulating ETH as a core digital asset holding to establish itself as a leading institutional player in the cryptocurrency space. The Tokyo-listed firm, supported by ARK Invest, recently acquired 2,365 ETH in just seven days, bringing its total to 3,866 ETH valued at approximately $14.8 million. This positions Quantum Solutions as Japan’s premier publicly listed Ether digital asset treasury and the 11th largest worldwide, according to CoinGecko metrics.
How Did Quantum Solutions Achieve the Largest Ether Treasury Outside the US?
Quantum Solutions accelerated its ETH accumulation by purchasing at a rate of 150 million yen—about $983,000—per day, as announced by founder Francis Zhou last week. The company’s efforts culminated in Thursday’s reveal of the latest haul, making it the top Ether treasury beyond US borders. Zhou emphasized ongoing buys, stating, “I’m proud to announce that we have accumulated 2,365 ETH in just seven days, officially making Quantum Solutions the largest ETH DAT outside the US,” with more acquisitions planned. This milestone follows a $180 million capital raise in late September 2025, backed by prominent venture firms like ARK Invest and Susquehanna International Group. Japan’s regulatory environment remains favorable for such publicly listed digital asset treasuries, contrasting with crackdowns in regions like Hong Kong, India, and Australia. The firm also maintains a modest Bitcoin position of 11.6 BTC, worth $1.3 million, diversifying its portfolio slightly while focusing primarily on Ether.
ARK Invest-backed Quantum Solutions is now the largest Ether treasury outside of the US and has a 100,000 ETH treasury target.
ARK Invest-backed Quantum Solutions has emerged as the largest Ether digital asset treasury outside of the United States after accumulating $9 million worth of ETH in a week.
Quantum Solutions’ founder, Francis Zhou, announced the company’s latest Ether (ETH) purchase on Thursday.
“I’m proud to announce that we have accumulated 2,365 ETH in just seven days, officially making Quantum Solutions the largest ETH DAT outside the US,” said Zhou, adding that more Ether buys were coming.
The company said it has become Japan’s leading publicly listed Ether DAT and the 11th largest globally, citing figures from CoinGecko.
Quantum Solutions also has a small Bitcoin (BTC) treasury, holding 11.6 BTC worth $1.3 million.
Last week, Zhou said that the firm was acquiring ETH at the rate of 150 million yen ($US 983,000) per day, “and will continue to accelerate accumulation.”
The firm currently holds 3,866 ETH worth around $14.8 million, according to its website.
Quantum Solutions has accumulated $9 million worth of Ether in a week. Source: Francis Zhou
ARK Invest Backs ETH Treasuries
The Tokyo Stock Exchange-listed Quantum Solutions secured $180 million in funding during late September 2025 specifically to construct a substantial 100,000 ETH treasury. This initiative received endorsements from key investors, including ARK Invest and Susquehanna International Group. ARK Invest’s founder and CEO, Cathie Wood, voiced strong support, commenting, “Three months into the DAT revolution, we’re happy to support Japan’s first institutional-grade ETH DAT.” This backing underscores ARK’s growing interest in Ether-focused ventures. Earlier this year, ARK Invest also allocated funds to BitMine, chaired by Tom Lee and recognized as the world’s largest Ether digital asset treasury. The investment firm incorporated BitMine shares into its innovation and fintech funds starting in September 2025, signaling a strategic pivot toward Ether accumulation amid broader crypto market dynamics.
Japan continues to foster an environment conducive to publicly listed digital asset treasuries, allowing firms like Quantum Solutions to operate transparently. In contrast, stock exchanges in Hong Kong, India, and Australia have imposed stricter regulations, limiting similar activities. This regional disparity highlights Japan’s role as a hub for institutional crypto adoption in Asia. Quantum Solutions’ rapid growth exemplifies how targeted funding and regulatory support can propel a company to global prominence in the Ether space. With its current holdings and ambitious target, the firm aims to influence corporate treasury trends, potentially encouraging other entities to adopt ETH as a balance sheet asset.
DAT Momentum Cools
Despite the excitement surrounding digital asset treasuries, recent market trends indicate a slowdown in momentum. Share prices for several major crypto-holding companies have declined over the past few weeks, tempering the initial hype. Tom Lee, chair of BitMine, last week raised concerns about whether the DAT bubble had burst, while analysts at 10x Research observed, “The age of financial magic is ending for Bitcoin treasury companies.” These sentiments reflect broader volatility in the crypto sector, particularly following a significant market downturn earlier this month.
However, opportunistic buying persists among key players. Lee has actively purchased Ether during the dip, viewing price dislocations as buying opportunities. This approach aligns with Quantum Solutions’ strategy of steady accumulation regardless of short-term fluctuations. As the largest Ether treasury outside the US, Quantum Solutions demonstrates resilience, leveraging its $180 million war chest to press forward. The firm’s Bitcoin holdings, though smaller, provide some diversification, but its primary focus remains on ETH to capitalize on Ethereum’s utility in decentralized finance and smart contracts.
Broader market context shows Ether’s price stabilizing after recent corrections, with institutional interest from firms like ARK Invest providing a bullish undercurrent. Quantum Solutions’ ascent not only boosts Japan’s crypto profile but also signals potential for more Asian firms to enter the DAT arena. Experts suggest that sustained regulatory clarity in Japan could attract further international capital, fostering innovation in treasury management. Nonetheless, investors should monitor global economic indicators, as they influence crypto valuations and treasury strategies alike.
Frequently Asked Questions
What Makes Quantum Solutions the Largest Ether Treasury Outside the US?
Quantum Solutions achieved this status by acquiring 2,365 ETH in one week, totaling 3,866 ETH worth $14.8 million, surpassing other non-US treasuries per CoinGecko data. Backed by $180 million from ARK Invest and others, the firm focuses on daily purchases of about $983,000 in ETH, establishing dominance in Japan and ranking 11th globally.
How Will Quantum Solutions Reach Its 100,000 ETH Target?
Quantum Solutions plans to hit its 100,000 ETH goal by accelerating daily acquisitions, building on its current pace of 150 million yen per day. With fresh capital from September’s funding round and endorsements from ARK Invest, the firm aims to methodically expand holdings, navigating market volatility to support long-term institutional adoption of Ether.
Key Takeaways
- Rapid Accumulation: Quantum Solutions added $9 million in ETH weekly, becoming Japan’s top publicly listed treasury and the 11th largest worldwide.
- Strategic Backing: ARK Invest and Susquehanna International Group provided $180 million, enabling a push toward 100,000 ETH amid regional regulatory support.
- Market Caution: While DAT hype cools with falling shares, firms like Quantum Solutions continue buying dips, highlighting Ether’s resilience for investors.
Conclusion
Quantum Solutions’ emergence as the largest Ether treasury outside the US marks a pivotal moment for institutional crypto adoption, driven by ARK Invest’s backing and a clear strategy to amass 100,000 ETH. With holdings now at 3,866 ETH and a modest Bitcoin position, the firm exemplifies disciplined growth in Japan’s supportive landscape. As digital asset treasuries evolve, stakeholders should watch for sustained momentum, potentially reshaping corporate finance—stay informed on these developments for strategic insights.
