BlackRock Bitcoin ETF Tops S&P 500 Funds With $3.5B Inflows

Key Notes

• BlackRock Bitcoin AUM approaches $100 billion, making it one of the fastest ETFs to reach this milestone.
• All 11 original spot Bitcoin ETFs, including GBTC, recorded inflows last week, highlighting robust institutional interest.
• Bitwise CIO Matt Hougan expects Bitcoin ETFs to see record inflows in Q4 2025 as part of the “debasement trade”.

Inflows into spot Bitcoin ETFs have shot up significantly, with BlackRock iShares Bitcoin Trust (IBIT) leading more of the flows. BlackRock’s IBIT is also competing with the S&P 500 ETFs, with its weekly inflows shooting to $3.5 billion. This accounts for a total of 10% of the total net ETF flows over the period.

BlackRock Bitcoin ETF Grabs the Top Spot

With a strong surge in the net inflows over the past week, BlackRock’s IBIT topped the chart in terms of net inflows. In fact, it outperformed top S&P 500 ETFs like SPLG and VOO by a wide margin, as reported by Bloomberg strategist Eric Balchunas.

Balchunas also noted another shift in the trend, with all 11 original spot Bitcoin ETFs also recorded inflows last week, including GBTC. This highlights strong institutional demand for Bitcoin exposure.

On Oct. 7, BlackRock’s iShares Bitcoin Trust (IBIT) recorded a net inflow of 7,401 BTC, valued at approximately $899.47 million. This marks the fourth-highest single-day inflow in the ETF’s history. Furthermore, IBIT’s daily trading volume has surged to $5.7 billion.

Related article: Robert Kiyosaki Advocates Buying Bitcoin and Ethereum in 'End of US Dollar' CallAccording to the official iShares data, BlackRock’s IBIT holds close to 800,000 Bitcoin, with its net assets under management now approaching close to $100 billion. Eric Balchunas stated that IBIT is on track to become the fastest ETH to hit this AUm milestone.

Balchunas noted that while the Vanguard S&P 500 ETF (VOO) hit this milestone in 2,011 days, IBIT is on track to approach this with just 435 trading days.

Bitcoin ETFs Could See Stronger Q4

Market analysts note that spot Bitcoin ETFs closely follow the Bitcoin price trajectory, which touched all-time highs of $126,000 earlier this week. As experts see a strong BTC upside in Q4, the inflows might follow as well.

Bitwise Chief Investment Officer Matt Hougan projected that US Bitcoin ETFs would surpass their $36 billion debut-year inflows in 2025. To date, the ETFs have accumulated approximately $22.5 billion, putting them on track for roughly $30 billion by year-end.

In the debut year 2024, the BTC ETFs clocked $36 billion in total inflows. However, Hougan is confident that this year’s inflows will surpass last year’s numbers.

“In the first four trading days of the quarter, we’ve already had $3.5 billion in net flows, bringing total YTD flows to $25.9 billion. We have 64 more days to get another $10 billion. I think we’ll do that and then some,” added he.

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