BlackRock’s iShares Bitcoin Trust (IBIT) has become the fastest exchange-traded fund (ETF) in history to surpass $70 billion in assets under management (AUM), according to data cited by Bloomberg ETF analyst Eric Balchunas. The milestone was reached in just 341 days—a pace five times quicker than the previous record held by the SPDR Gold Shares ETF, which took 1,691 days to hit the same mark.
$IBIT just blew through $70b and is now the fastest ETF to ever hit that mark in only 341 days, which is 5x faster than the old record held by GLD of 1,691 days. Nice chart from @JackiWang17 pic.twitter.com/5VeGT9twpQ
— Eric Balchunas (@EricBalchunas) June 9, 2025
Launched on January 11, 2024, following the U.S. Securities and Exchange Commission’s (SEC) approval of spot Bitcoin ETFs, IBIT has seen remarkable growth. On its first trading day on the Nasdaq, the fund recorded over $1 billion in trading volume, highlighting strong demand from both institutional and retail investors.
As of June 9, 2025, IBIT manages $71.9 billion in assets and holds 661,457 Bitcoin (BTC), making BlackRock the world’s largest institutional holder of Bitcoin, surpassing Binance and other major players. The ETF is currently trading at $61.77 per share and has attracted $201 million in inflows so far in June, following a record $5.9 billion in May.
Robert Mitchnick, BlackRock’s Head of Digital Assets, told Yahoo Finance that IBIT’s rapid ascent reflects Bitcoin’s growing appeal as an inflation hedge and alternative store of value. He noted that IBIT has outperformed even the world’s largest gold fund in net inflows this year, with $6.96 billion since January, ranking it sixth among all ETFs.
Analysts speculate that BlackRock could eventually surpass the estimated Bitcoin holdings of Satoshi Nakamoto, the pseudonymous creator of Bitcoin, who is believed to own around 1.1 million BTC. Balchunas has projected this could occur by the end of next summer.
Meanwhile, Sber, Russia’s largest commercial bank, recently introduced a new Bitcoin-linked bond product, marking a significant step in the country’s evolving approach to digital asset investment. The product allows qualified investors to gain exposure to Bitcoin’s price movements and the U.S. dollar-to-ruble exchange rate, all within Russia’s regulated financial system.
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