Quantum Solutions, a Tokyo-listed technology company, has sold 1,000 Ether (ETH) for approximately $1.9 million, relinquishing its position as Japan’s leading corporate holder of Ether. The t
Quantum Solutions, a Tokyo-listed technology company, has sold 1,000 Ether (ETH) for approximately $1.9 million, relinquishing its position as Japan’s leading corporate holder of Ether. The transaction was executed through its subsidiary, GPT Pals Studio, on July 30. The average sale price per Ether was $1,903, amounting to about 311 million yen.
Proceeds from the Ether sale are allocated to Quantum’s AI Infrastructure Data Center segment. The investment will primarily support the purchase of GPU hardware, with a focus on high-performance chips such as Nvidia’s B300 and GB300, which are pivotal in advancing artificial intelligence operations.
Quantum has been building its AI technology business since June, citing the need for additional resources to support expanded computational workloads associated with its data center buildout.
Quantum Solutions earmarked the $1.9 million raised from the sale for new Nvidia GPUs to strengthen the infrastructure behind its AI data center business.
GPT Pals Studio has been active on the market, previously selling 904 ETH for around $1.6 million on June 16. Over less than two months, Quantum has liquidated a total of 1,904 ETH, about 29% of the 6,668.8 ETH it previously held. As a result, the company’s treasury has contracted by nearly 28.6% since mid-June.
Following the transaction, Quantum now holds approximately 4,764.8 ETH. Def consulting, another publicly traded Japanese firm, currently owns 4,976 ETH, ascending to the largest corporate Ether holder in Japan.
Quantum has built up most of its Ether reserves during the late 2025 rally, when ETH traded between $4,000 and $4,500. Currently, the company’s remaining position is valued at roughly $9.1 million, with Ether trading near $1,906.
The recent sale is expected to result in a recorded loss of about $100,000, or 17 million yen. This cost will be recognized in the fiscal quarter ending February 2027.
Mini dictionary: Def consulting is a Japanese consulting firm involved in blockchain and digital asset management, known for actively acquiring and managing Ethereum reserves among public companies in Japan.
CompanyCurrent ETH HoldingsPrevious ETH HoldingsRecent ETH SaleQuantum Solutions4,764.86,668.81,904 ETH (since June 16)Def consulting4,976Not specifiedNone reportedQuantum’s board increased the maximum amount of ETH available for sale, raising the limit from 1,875 ETH to 4,375 ETH. This brings an additional 2,471 ETH into a potential liquidation path until October 30, according to the company’s latest approval.
However, not all of Quantum’s Ether holdings are readily liquid. Approximately 3,050 ETH are pledged as collateral to a Singapore-based lender, while 1,714.8 ETH remain in GPT Pals Studio’s trading account. Therefore, even with authorization in place, the amount of freely available ETH falls short of the newly approved ceiling by more than 750 ETH. The company would need to unlock collateral or acquire more ETH to utilize the full limit.
Quantum’s future sales plans will depend on prevailing market prices and the ongoing capital demands of its AI data center project. Earlier this year, BitMEX co-founder Arthur Hayes also sold around 6,000 ETH at a loss as Ether prices fluctuated. On-chain data during that period showed that other major holders continued to increase their positions, despite short-term market volatility.
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