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BlackRock’s Bitcoin exchange-traded fund has surprised everyone by becoming the world’s largest asset manager’s most profitable product line. This achievement is remarkable given that BlackRock manages over 1,400 ETFs globally and controls more than $13.4 trillion in total assets. Cristiano Castro, BlackRock’s director of business development in Brazil, made this announcement at the Blockchain Conference in São Paulo. Castro called the development “a big surprise” and admitted they were optimistic when launching but “didn’t expect this scale.” Record-Breaking Performance Numbers The iShares Bitcoin Trust (IBIT) launched in January 2024 and quickly broke industry records. The fund reached $70 billion in assets in just 341 days, making it the fastest-growing ETF in history. Currently, IBIT holds $70.7 billion in net assets and has generated an estimated $245 million in annual fees by October 2025. These numbers are impressive when compared to BlackRock’s flagship products. By July 2025, the Bitcoin ETF was generating more revenue than BlackRock’s S&P 500 tracker, despite being much smaller in total assets. This happens because IBIT charges a 0.25% annual fee, while traditional index funds charge much lower fees. Source: @BitcoinArchive The fund attracted over $52 billion in net inflows during its first year, far outpacing all other ETFs launched in the last decade. IBIT now holds more than 3% of Bitcoin’s total supply, making it a significant player in the cryptocurrency market. Major Institutional Investors Join In Harvard University made headlines by investing heavily in BlackRock’s Bitcoin ETF. The prestigious university’s endowment fund held $443 million worth of IBIT shares as of September 30, 2025, representing over 20% of its U.S. public equity holdings. Harvard’s investment is particularly noteworthy because university endowments typically avoid ETFs, preferring private equity and real estate investments instead. The university tripled its Bitcoin ETF position in the third quarter of 2025,…

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Filed under: News - @ November 30, 2025 9:20 pm