BlackRock's Bitcoin ETF Breaks Records, Surpasses $70B in Assets Faster Than Any ETF in History
June 9, 2025
BlackRock's iShares Bitcoin Trust (IBIT) has made history by surpassing $70 billion in assets under management in just 341 trading days, setting a record for the fastest ETF to achieve this milestone.
This remarkable growth positions IBIT as the largest Bitcoin ETF, significantly outpacing its nearest competitor, Fidelity's Bitcoin ETF, which holds approximately $31 billion.
The rapid ascent of IBIT coincides with Bitcoin's current trading price above $108,000, reflecting a 2.06% increase and nearing its all-time high of nearly $112,000.
IBIT's rapid growth underscores the increasing role of spot Bitcoin ETFs as the primary avenue for institutional investment in Bitcoin, suggesting a potential shift in corporate strategies towards consolidating Bitcoin supply.
The surge in IBIT's assets signals a growing institutional acceptance of Bitcoin as a legitimate asset class, indicating heightened demand for regulated investment products linked to the cryptocurrency.
Bloomberg ETF analyst Eric Balchunas noted that IBIT reached its $70 billion milestone five times faster than the previous record held by the GLD gold ETF, which took 1,691 days.
This achievement makes IBIT the fastest ETF to reach this threshold, highlighting its unprecedented growth in the ETF market.
While Grayscale's GBTC fund remains substantial at $19.3 billion, it is still more than three times smaller than IBIT, emphasizing IBIT's dominance in the Bitcoin ETF landscape.
IBIT commands over 20% of all Bitcoin holdings listed, with approximately 662,707 BTC, far surpassing other Bitcoin ETFs like Fidelity's Wise Origin Bitcoin Trust and Ark 21shares' ARKB.
Recent data from Wells Fargo reveals that six publicly traded firms are planning to raise up to $76 billion for potential Bitcoin purchases, which could further influence IBIT's market positioning.
The dramatic growth trajectory of IBIT illustrates the accelerating influx of capital into Bitcoin markets, challenging traditional financial paradigms.
Summary based on 3 sources
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Sources

Bitcoin Magazine • Jun 9, 2025
BlackRock’s IShares Bitcoin Trust Shatters ETF Growth Record, Surpassing $70 Billion In Just 341 Days
CryptoSlate • Jun 9, 2025
BlackRock’s IBIT rockets to $70B in 341 days, 5x faster than previous record