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BlackRock Puts IBIT Among Top 2025 Themes as Inflows Top $25 Billion

The designation signals BlackRock’s conviction that bitcoin has a place in diversified portfolios.

Overview

  • IBIT ranks sixth for 2025 ETF inflows with more than $25 billion, the only fund in the top-25 by inflows to post a negative annual return of about 9.6%.
  • U.S. spot bitcoin ETF holdings slipped from roughly 1.37 million BTC in October to about 1.32 million BTC on Dec. 19, a decline of less than 4% despite a roughly 36% price correction, suggesting ETFs were not the main sellers.
  • BlackRock’s fund has grown its share of the U.S. spot bitcoin ETF market to just under 60%, with roughly 780,000 BTC reported under management.
  • Short-term pressure persisted with about $158 million of net outflows on Dec. 19 and roughly $497 million over the prior week, following BlackRock-reported November outflows of about $2.34 billion for IBIT.
  • Gold surged about 65% in 2025, yet the SPDR Gold ETF took in less money than IBIT, underscoring resilient demand for regulated bitcoin exposure.