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BTC 
ETH Bitcoin ETF recorded a net inflow of US$175 million, with BlackRock IBIT and Fidelity FBTC leading the way.
On September 4, the U.S. spot Bitcoin ETF recorded a net inflow of US$175 million, continuing the three-day growth momentum. The inflow coincided with the Bitcoin price breaking the $81,000 mark and triggering a large number of liquidations of short positions. BlackRock's IBIT topped the list with a net inflow of $117 million, followed by Fidelity's FBTC, with a net inflow of $57.22 million, according to SoValue. During the same period, the spot Ethereum ETF also achieved a net inflow of US$26.46 million.
BlackRock led Bitcoin ETF inflows, and short liquidations boosted the rally.
Analyst Darkfost pointed out that Bitcoin ETF bought a total of about 9,450 bitcoins on Friday, worth approximately US$730.8 million. He attributed the buying activity to Bitcoin prices breaking through key resistance levels of $81,000. At the same time, the market experienced severe short liquidation as it rose. Data showed that in the past 24 hours, more than $448 million of short positions were forcibly closed.
As the U.S. Bitcoin ETF market recorded net inflows for three consecutive days, BlackRock's IBIT contributed the largest single-day net inflow, reaching US$117 million; Fidelity's FBTC ranked second with net inflows of US$57.22 million, and these two funds accounted for the vast majority of the day's total inflows.
The net inflow of Ethereum ETF is US$26.46 million, and the performance of various funds is differentiated
On September 4, the Ethereum ETF recorded a total net inflow of US$26.46 million, but the flow of funds showed significant differences between funds. BlackRock's ETHA recorded a strong net inflow of $57.79 million, while another Ethereum ETF (ETHB) also recorded a net inflow of $16.44 million. By comparison, Fidelity's FETH faced an outflow of $48.3 million. This mixed capital flow has resulted in a return to Bitcoin ETF buying. Looking at a broader time dimension, since 2024, the chart shows significant changes in daily capital flows over multiple periods.
Review of the evolution of ETF fund flows from 2024 to 2026
Historical data shows that Bitcoin ETF fund inflows experienced several large-scale outbreaks from October to December 2024. The inflow on some trading days was as high as approximately US$1.35 billion, while the outflow in other periods was close to US$500 million. By March 2025, with the correction in Bitcoin prices, outflows once reached approximately US$1 billion.
From April to July, inflows exceeded US$800 million on multiple trading days, and at one point even approached US$1.2 billion. However, from the end of 2025 to the beginning of 2026, the market has experienced repeated outflows of US$800 million to US$900 million, and the price of Bitcoin has also fallen during this period. As of February 2026, the price line is close to the lower limit of the chart. Recently, there have been multiple peaks in capital inflows again in August and early September, with some peaks reaching US$600 million to US$700 million, while recent outflows have been relatively small.
