US spot Bitcoin exchange-traded fund (ETF) inflows surged last week following a period of uneven flows, with investors contributing nearly $2 billion as Bitcoin's price climbed. According to SoSoValue data, Bitcoin ETFs recorded $1.92 billion in net inflows during the week ending Friday, representing their strongest weekly performance in nearly 10 months.
ETF analyst Nate Geraci noted that spot Ether ETFs also drew about $700 million during the same period. He added that both Bitcoin and Ether funds achieved their strongest weekly inflows since October 2025.
The renewed demand coincided with a more than 20% jump in Bitcoin's price last week. CoinGecko data shows the asset began the week near $63,000 before briefly surpassing $79,000 on Friday.
BlackRock's IBIT Leads Weekly Resurgence
BlackRock’s iShares Bitcoin Trust ETF (IBIT) drove a significant portion of the weekly inflows, capturing approximately $1.33 billion across five consecutive trading days, based on data from Farside Investors. Daily inflows for IBIT increased from $160.2 million on Monday to $503 million on Thursday, moderating to $239.3 million on Friday. Bloomberg ETF analyst Eric Balchunas pointed to the daily flows on social media as a bullish signal, describing the pattern as a "classic Flipping the Bird pattern."
Broader Yearly Context for Bitcoin ETFs
Despite the recent influx of capital, US spot Bitcoin ETFs remain in a net negative position for 2026, with approximately $2.91 billion in total net outflows year-to-date. The funds experienced significant monthly withdrawals earlier in the year, including $2.43 billion in May and $4.51 billion in June, which marked their heaviest monthly outflows. However, August has reversed some of that trend, bringing in $2.38 billion in net inflows through Friday and establishing itself as the strongest month for inflows so far in 2026.
