[Quantum Solutions Discloses Increase in ETH Holdings to Approximately 5,418] Odaily Planet Daily reports that Quantum Solutions, a Japan-listed Ethereum treasury company supported by Ark Invest founder Cathie Wood, has officially disclosed that after purchasing 187.53 ETH, the company now holds a total of 5,418.32 ETH. The average purchase price was $3,943, with a total purchase cost of $20.58 million. Its ETH holdings rank 15th among listed Ethereum treasury companies. Additionally, the company also holds 11.6 BTC.