U.S. Bitcoin ETFs Attracted Nearly $1 Billion in a Week

10.09.2026    15:52

U.S. spot Bitcoin exchange-traded funds (ETFs) recorded $986.9 million in net inflows for the week ending September 4, extending their streak of positive weeks to three in a row.

According to data from SoSoValue cited by The Block, inflows increased from $924.5 million the previous week. BlackRock’s iShares Bitcoin Trust (IBIT) led the way, attracting $691.5 million over the week.

On September 3, net inflows into all U.S. Bitcoin ETFs reached $730.9 million, marking the highest daily figure since mid-January. The following day, the funds received an additional $174.6 million.

Bitcoin ETF trading volume for the week totaled $14.5 billion, compared to nearly $19 billion the week before. Meanwhile, U.S. spot Ethereum ETFs attracted $218.4 million, also marking their third consecutive week of positive inflows. Their trading volume totaled $4.1 billion.

Overall, August was one of the strongest months for institutional crypto products in the past year. Net inflows into Bitcoin ETFs reached $3.52 billion—a high not seen since September 2025—while Ethereum ETFs received $1.85 billion, their best monthly result since August of last year.

An even more noticeable shift in sentiment was evident in the third week of August, when Bitcoin ETFs attracted $1.9 billion, Ethereum ETFs attracted $697.2 million, and the combined turnover of both categories more than tripled to $29 billion.

However, inflows remain uneven. Following a strong previous week, approximately $46.6 million was withdrawn from Bitcoin ETFs on September 8. Thus, institutional demand has recovered, but investors remain sensitive to macroeconomic data and expectations regarding U.S. interest rates.

Bitcoin itself corrected after rising above $81,000. According to CoinGecko, on September 9, it was trading around $78,300, and the cryptocurrency’s market capitalization stood at approximately $1.58 trillion.

Spot Bitcoin ETFs allow investors to gain exchange-traded exposure to Bitcoin without having to store the cryptocurrency themselves. The largest players in the U.S. market are funds managed by BlackRock, Fidelity, Grayscale, ARK/21Shares, and Bitwise.

Data source: SoSoValue/The Block: Bitcoin ETF flow data

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