BlockBeats News, July 3rd, according to Bloomberg, BlackRock, the world's largest asset manager, reported that its Bitcoin spot ETF, IBIT, has now become its highest-earning ETF product, surpassing its flagship S&P 500 index fund. IBIT currently has an AUM of approximately $75 billion, a fee rate of 0.25%, with an expected annual revenue of $187.2 million. In comparison, the $624 billion iShares Core S&P 500 ETF (IVV) charges only a 0.03% fee, with slightly lower annual revenue than IBIT, at $187.1 million.