Quantum Solutions, a Japanese listed Ethereum treasury company supported by Cathie Wood, founder of Ark Invest, officially disclosed that after purchasing 187.53 ETH, the company currently holds a total of 5418.32 ETH, with an average purchase price of $3943 and a total purchase cost of $20.58 million. Its ETH holdings rank 15th among listed Ethereum treasury companies. In addition, the company also holds 11.6 BTC.