Quantum Solutions, backed by ARK Invest, has swiftly become the largest Ether digital asset treasury (DAT) outside the United States, amassing $9 million worth of ETH in just one week. Founder Francis Zhou revealed that the company acquired 2,365 ETH over seven days, making it Japan’s top publicly listed Ether treasury and the 11th largest globally. Alongside its ETH holdings, Quantum Solutions maintains a smaller Bitcoin treasury with 11.6 BTC valued at $1.3 million. The Tokyo-based firm plans to expand its treasury to 100,000 ETH after securing $180 million in funding supported by top venture firms including ARK Invest and Susquehanna International Group. While Japan embraces publicly listed DATs, other regional exchanges are imposing stricter regulations. Cathie Wood, ARK Invest CEO, expressed enthusiasm for supporting Japan’s pioneering institutional-grade ETH DAT. Despite a cooling hype around digital asset treasuries globally, Quantum Solutions continues accelerating accumulation, positioning itself as a major player in the evolving crypto asset landscape.