According to Farside Investor data, BlackRock's IBIT and Fidelity FBTC have seen inflows of $16.60 billion and $8.90 billion, respectively, since their launch nearly five months ago, accounting for 26% and 56% of BlackRock and Fidelity inflows, respectively. In addition, according to Stock Analysis, BlackRock currently has 429 ETFs with total assets under management of $2.80 trillion, while Fidelity has only 70 ETFs with total assets under management of $74 billion.