Quantum Solutions, Japan’s first Ethereum treasury, received investment from female stock investor! Bought 2,365 ETH in 7 days, ranking 11th in the world for Ethereum DAT

Cathie Wood, founder of Ark Capital, said that she has invested in Quantum Solutions, Japan’s first Ethereum digital asset treasury (DAT) company. Quantum Solutions also stated that the company purchased 2,365 ETH within seven days, becoming the largest ETH DAT outside the United States.
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Cathie Wood, the founder of ARK Invest, known as the "female stock goddess", yesterday (23rd) through X The platform announced a major investment trend: Ark Capital officially invested in Quantum Solutions, Japan’s first institutional-level Ethereum digital asset treasury (DAT) company. She said in the post: "Three months after the DAT revolution began, we are pleased to support Japan's first institutional-grade ETH DAT. Expanding the innovation pipeline in global capital markets is critical and excited to work with @Quantum_SKK2338 and @FrancisBZhou to achieve this goal."

Meanwhile, Francis B. Zhou, CEO of Quantum Solutions, was also at X The company announced on the platform that it had purchased 2,365 Ethereum in just seven days, making it the largest Ethereum digital asset treasury (DAT) outside the United States. He wrote in the post:

"I'm proud to announce that we have accumulated 2,365 ETH in just 7 days, officially making Quantum Solutions the largest ETH DAT outside the United States. More ETH is coming soon. Thanks to Cathie Wood and ARKInvest for the support."

Three months into the DAT revolution, we’re happy to support Japan’s first institutional-grade ETH DAT.

Expanding access to innovation in global capital markets is key — thrilled to do this alongside @Quantum_SKK2338 and @FrancisBZhou. https://t.co/e6YlnJMHI4

— Cathie Wood (@CathieDWood) October 23, 2025

Quantum Solutions: Transformation from AI to Ethereum Treasury

Quantum Solutions is a technology company headquartered in Tokyo, Japan and listed on the Tokyo Stock Exchange. It originally focused on artificial intelligence (AI)-related businesses.

The company’s Ethereum reserve strategy was officially launched in September this year. The goal is to continue to purchase ETH through its Hong Kong subsidiary GPT Pals Studio, and plans to accumulate a reserve of 100,000 ETH in the short term. Currently, the company holds a total of 3,865.8 ETH, making it the 11th largest ETH DAT in the world and the largest ETH DAT outside Japan and the United States. CEO Francis B. Zhou said that ETH is regarded as a long-term core asset and will continue to expand its holdings in the future and explore commercial applications of decentralized finance (DeFi) and tokenization.

Quantum Solutions stock price performance

According to Google Finance data, Quantum Solutions’ stock price began to explode in September this year for the second time. It rose from 470 yen in early September to a maximum of 828 yen on October 10. It has increased by 15% so far this year and has a market value of approximately 28 billion yen.