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Spot Crypto ETFs Exceed $100 Billion as BlackRock’s IBIT Tops $91B

SEC 13F filings show hedge funds and banks holding multibillion-dollar stakes in IBIT following Bitcoin volatility that tested market resilience

Photo: Chris Ratcliffe/Bloomberg
Wells Fargo boosts BlackRock Bitcoin ETF stake from $26 million to $160 million in Q2
BlackRock's Bitcoin ETF
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Overview

  • BlackRock’s iShares Bitcoin Trust reached $91.06 billion in assets under management, representing 3.72 percent of circulating Bitcoin and $58.04 billion in cumulative net inflows through August 13
  • BlackRock’s combined spot ETF holdings surpassed $100 billion, with roughly 744,000 BTC and over 3.2 million ETH under management across IBIT and ETHA
  • U.S. spot Ethereum ETFs logged a record $1.019 billion inflow on August 11, driving ETHA’s cumulative net inflows past $10 billion and elevating BlackRock’s ETH balance to more than 3.3 million coins
  • Q2 2025 SEC 13F disclosures list Brevan Howard as the largest IBIT holder with a $2.3 billion position and show Wells Fargo boosting its stake to over $160 million, alongside significant investments by Jane Street and Cantor Fitzgerald
  • Bitcoin’s surge to near $124,000 on August 14 and subsequent drop below $118,000 triggered more than $1 billion in leveraged liquidations, highlighting increased market sensitivity to concentrated ETF flows