BlackRock’s Bitcoin ETF Becomes Its Most Profitable Product as Assets Near $100B

BlackRock’s spot Bitcoin exchange-traded funds have rapidly grown into the asset manager’s most profitable product line, with combined assets under management approaching $100 billion, according to comments from Cristiano Castro, Director of Business Development for BlackRock Brazil.IBIT Nears $70B in AUM — Fastest-Growing ETF in BlackRock HistoryBlackRock’s U.S. spot Bitcoin ETF, IBIT, has expanded at an unprecedented pace since launching in January 2024.Key metrics:$70 billion AUM reached in just 341 daysHolds over 3% of the total Bitcoin supplyEstimated annualized management fee revenue hit $245 million in October aloneThe growth makes IBIT one of the fastest-scaling ETFs ever issued in the U.S. market — surpassing many equity and fixed-income ETFs that typically take years to reach similar size.At the same time, IBIT39, BlackRock’s Brazilian spot Bitcoin ETF, has seen accelerating demand from institutional allocators in Latin America.Together, IBIT and IBIT39 are now approaching $100 billion in total assets, positioning Bitcoin as one of the firm’s largest and most lucrative product verticals.BlackRock Is Increasing Its Own ExposureBlackRock is not only profiting from the ETF business — it is adding to its own Bitcoin exposure as well.The firm’s Strategic Income Opportunities Portfolio recently increased its IBIT holdings by 14%, signaling internal conviction that Bitcoin remains a strategic, long-term asset.