PANews, July 2 news. According to Bitcoin News, the BlackRock-owned iShares Bitcoin ETF "IBIT" has currently generated annual management fee revenue that surpasses its flagship product, the S&P 500 Index ETF "IVV." Although IBIT has only been established for 18 months and has a much smaller asset under management (AUM) compared to IVV ($75 billion vs $609 billion), its annual management fee revenue has reached $186 million, exceeding IVV's $183 million.