Morgan Stanley’s Bitcoin ETF (MSBT) now holds 10,519 BTC worth approximately $903.86 million across its on-chain wallets. The fund began trading on NYSE Arca in April and has rapidly accumulated a significant Bitcoin position since launch. Blockchain analytics platform Arkham identified and labeled the ETF’s wallet addresses within one week of trading commencement, marking the first public identification of MSBT’s on-chain holdings. The disclosure provides transparent visibility into the institutional fund’s Bitcoin custody structure.