- IBIT set a record by reaching $1 billion in assets in just 34 trading days, according to Bloomberg data.
- 75% of IBIT investors were the first BlackRock clients, pushing for adoption of a wider platform.
- IBIT’s rapid growth outperformed all major ETF peers, highlighting the surge in demand for Bitcoin ETFs.
ISHARES BITT COIN TRUST (IBIT) has become the fastest ETF in history, reaching $10 billion in managed assets and reaching feat in just 34 trading days, according to data from Bloomberg Intelligence. The sudden growth reflects the large demand for regulated exposure to Bitcoin, indicating a major shift in investor behavior in digital asset-based financial products. The early performance of IBIT not only sets a speed record, but also shows the acceleration of ETF adoption among both retail and institutional participants.
Amazing Statistics: 75% of investors who purchased $IBIT ($8.7 billion for 1 million) were BlackRock’s first customers. And 27% of them continued to buy another iSharesETF. Complete coups of BLKs here and there. https://t.co/leuyygmyce
– Eric Balchunas (@ericbalchunas) July 31, 2025
New investors’ participation played a central role in IBIT’s growth. Of the 1 million individuals who purchased the fund, 75% were investing in BlackRock products for the first time. This level of first-time engagement is important considering the size of BlackRock’s existing client base and asset pool, exceeding $12 trillion. Additionally, 27% of these new investors, estimated at 185,000 individuals, purchased additional iSharesETFs after investing in IBIT.
This trend in behavior refers to the broader development of investor onboarding and retention, suggesting that IBIT may serve as an entry point into a wider network of financial instruments. Data refers to platform expansion rather than isolated product interests, and IBIT introduces investors to a broader set of products under the ISHARES banner.
ETF trajectories outperform major competitors
The Bloomberg comparison chart shows IBIT’s trajectory over other ETF products, including Fidelity’s FBTC, Ethereum-centered ETHA, JEPQ, and XLC. The FBTC reached $7 billion in 53 days, placing it second in IBit. It took 251 days to cross the same threshold, while the JEPQ and XLC took 444 and 525 days respectively.
Bloomberg’s graph shows IBIT’s growth line has risen sharply in a short period of time, pointing to its dominant early influx. In contrast, other ETFs displayed slow or split growth patterns. According to commentary related to fund deployment, digital assets and active ETFs were the leading sources of BlackRock’s organic base rate growth in 2024.