- BlackRock’s Bitcoin ETF IBIT holds over 800,000 BTC, worth $98 billion.
- IBIT could reach $100 billion in assets five times faster than any ETF.
- BlackRock’s Bitcoin ETF now controls 60% of all spot Bitcoin ETF holdings.
- IBIT’s growth reflects rising institutional demand for Bitcoin exposure.
BlackRock’s spot Bitcoin ETF (IBIT) is approaching a historic achievement. In just under two years, the fund is set to become the first ETF to cross the $100 billion threshold, a feat no other fund has reached in such a short time. With over $98 billion in assets and a consistent surge in inflows, the ETF’s rapid growth marks a new era in Bitcoin’s institutional adoption.
Rapid Growth and Unprecedented Inflows
BlackRock’s Bitcoin ETF has experienced extraordinary growth since its launch. As of October 2025, IBIT holds more than 800,000 BTC, worth around $98 billion. The fund has added $4 billion in inflows just this week, and it is now on track to reach $100 billion in assets. Analysts believe the ETF is set to hit this milestone about five times faster than any other ETF in history.
The scale of IBIT is remarkable. It has already captured more than 60% of the total supply of Bitcoin held by all spot Bitcoin ETFs. This rapid accumulation has positioned BlackRock’s Bitcoin fund as the dominant player in the market, significantly outpacing its competitors.
The inflows into IBIT have been largely driven by a combination of rising Bitcoin prices and increasing demand from institutional investors who prefer the regulated structure of an ETF over directly purchasing and holding Bitcoin.
Institutional Demand Drives Success
The surge in Bitcoin’s price has been a key factor in driving inflows into IBIT. Over the past year, Bitcoin reached a new all-time high of $125,000, representing a 70% rally. Institutional investors have increasingly viewed Bitcoin as a hedge against inflation, especially following announcements like the U.S. tariff changes earlier this year. This growing demand has provided a steady stream of inflows into IBIT, further reinforcing its position in the market.
The popularity of Bitcoin as a digital asset has been accelerated by the regulatory clarity surrounding ETFs. As governments, particularly in the U.S., have become more supportive of cryptocurrencies, Bitcoin ETFs have gained broader acceptance. BlackRock’s ability to leverage its retail and institutional networks has allowed it to channel demand into IBIT effectively, making it the most profitable product within BlackRock’s extensive ETF portfolio.
Competitive Landscape in the Bitcoin ETF Market
BlackRock’s Bitcoin ETF has left its competitors far behind. Fidelity’s FBTC, the second-largest spot Bitcoin ETF, has around $70 billion less in assets than IBIT. Even though other funds are seeing healthy inflows, the dominance of IBIT is clear.
The fund’s rapid growth and scale make it a critical player in the financialization of Bitcoin. With over $240 million in annual revenue from its 0.25% fee, IBIT has already become one of the most profitable ETFs globally.
Despite the rising popularity of Bitcoin ETFs, the concentration of assets in a single fund has raised questions about the future dynamics of the market. While the growth of IBIT reflects institutional interest, it also represents a centralization of Bitcoin ownership within a few large entities. This trend could reshape the way Bitcoin is perceived and used as an asset.
The Road to $100 Billion
At its current pace, BlackRock’s Bitcoin ETF could hit the $100 billion milestone in just a few trading sessions. Once it does, IBIT will have rewritten the record books for ETF growth. Its rapid ascent highlights the increasing institutional demand for Bitcoin as an asset class and underscores the growing acceptance of cryptocurrency in traditional financial markets.
As IBIT continues to grow, it is likely to remain the benchmark for Bitcoin ETFs. The focus now shifts to whether its dominance will continue as new products enter the market and whether the fund’s success will further integrate Bitcoin into the global financial system.