The U.S. spot $BTC ETF recorded net inflows of approximately $2.4 billion over the week ended September 25, the largest weekly inflow since October 2025; during the same period, the spot $ETH ETF recorded net inflows of approximately $689.9 million, reversing the prior week’s net outflows of about $140 million. According to the SoSoValue measure, the year-to-date cumulative net inflows for Bitcoin spot ETFs have turned positive again to approximately $934.1 million—there was a net outflow gap of around $5.8 billion around mid-July.
On that week, Monday’s daily net inflow was about $999 million, the ninth-largest since the product launched; afterward, it declined day by day to about $134.5 million by Friday. Since September 17, it has recorded cumulative net inflows of about $3 billion over seven consecutive trading days. By segment, BlackRock’s IBIT led with roughly $1.2 billion for the week, followed by Fidelity’s FBTC with about $701.7 million. As of Friday, the net assets of spot Bitcoin ETFs totaled approximately $108.4 billion; since inception, cumulative net inflows have been about $57.6 billion.
Net inflows reflect that fund share subscriptions exceeded redemptions. They do not equal spot purchases on-chain occurring in sync, nor do they indicate the subsequent direction of prices. Over the week, average daily inflows rose and then fell, and future developments still need to be observed in line with whether the pace can be sustained according to U.S. Eastern trading-day data.
#BTC #ETH #ETF does not constitute investment advice
On that week, Monday’s daily net inflow was about $999 million, the ninth-largest since the product launched; afterward, it declined day by day to about $134.5 million by Friday. Since September 17, it has recorded cumulative net inflows of about $3 billion over seven consecutive trading days. By segment, BlackRock’s IBIT led with roughly $1.2 billion for the week, followed by Fidelity’s FBTC with about $701.7 million. As of Friday, the net assets of spot Bitcoin ETFs totaled approximately $108.4 billion; since inception, cumulative net inflows have been about $57.6 billion.
Net inflows reflect that fund share subscriptions exceeded redemptions. They do not equal spot purchases on-chain occurring in sync, nor do they indicate the subsequent direction of prices. Over the week, average daily inflows rose and then fell, and future developments still need to be observed in line with whether the pace can be sustained according to U.S. Eastern trading-day data.
#BTC #ETH #ETF does not constitute investment advice
