BlackRock’s iShares Bitcoin Trust (IBIT) has crossed the 700,000 Bitcoin mark, achieving a significant milestone for the exchange-traded fund (ETF). This rise reflects the growing demand and interest in cryptocurrency investments among institutional players.
IBIT Surpasses Other Bitcoin ETFs and Corporate Holdings
Since its launch in January 2024, IBIT has established itself as the leading spot Bitcoin ETF in the United States. It now accounts for over 55% of the total Bitcoin holdings across all American spot Bitcoin ETFs, according to data from Bitbo.
This achievement comes as the IBIT recorded a net influx of $164.6 million into the fund on Monday. The fund’s rapid growth trajectory positions it ahead of other prominent funds in the category, such as Fidelity’s FBTC, which holds around 203,000 BTC, and Grayscale’s GBTC, with approximately 184,000 BTC.
IBIT has even outpaced holdings from Michael Saylor’s MicroStrategy (MSTR), which initiated its Bitcoin accumulation in 2020 and now holds about 600,000 BTC. MicroStrategy remains the largest corporate holder of Bitcoin.
Since its inception, IBIT has delivered a cumulative return of 82.67%, as detailed by market analysts tracking fund performance.
Revenue Outpaces S&P 500 Flagship ETF
BlackRock’s Bitcoin ETF has swiftly become one of its best-performing products, currently ranked as the third most profitable ETF in the company’s portfolio, which includes over 1,100 funds.
IBIT now generates more revenue for BlackRock than both the iShares Core S&P 500 ETF (IVV) and the iShares Russell 2000 ETF (IWM), two cornerstone funds that track U.S. equity indices.
“A new milestone, iShares Bitcoin ETF now holds over 700,000 BTC. They achieved this in 18 months. Incredible,” remarked Nate Geraci, President of The ETF Store, on social media platform X.
Eric Balchunas, a leading ETF analyst at Bloomberg, also emphasized the significance of IBIT’s ascent within BlackRock’s rankings, highlighting its swift emergence as a flagship offering in the firm’s ETF lineup.
This rapid growth of IBIT coincides with a robust demand for spot Bitcoin ETFs in the American market, which have collectively drawn in more than $50 billion in net inflows since their launch in January 2024. These ETFs are regarded as the most successful ETF introductions in the history of American finance.
According to a study by Galaxy Digital, the combined buying activity of these ETFs and American Bitcoin strategy has consistently outpaced the new net Bitcoin issuance by miners. In 2025 alone, these entities acquired $28.22 billion worth of Bitcoin, compared to just $7.85 billion in new bitcoins produced by miners.
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