IBIT ETF currently holds $19.61 billion worth of Bitcoin, closely following Grayscale's $19.76 billion. With major institutional investors such as Millennium Management and Schonfeld Strategic Advisors joining the ranks, the total amount of Bitcoin held by global spot ETFs has exceeded 1 million, with a total value of more than $68 billion. This is equivalent to nearly 5.10% of the total circulating supply of Bitcoin.