U.S. Bitcoin ETFs drew $2.4 billion in net inflows during the week ending September 25, marking their strongest weekly performance since October 2025. The inflow reverses a $5.8 billion deficit from mid-July and pushes 2026 year-to-date flows to $934.1 million, according to SosoValue data.
Monday accounted for the week's largest daily inflow at $999 million, the ninth-largest daily intake since Bitcoin ETF products launched in January 2024. The funds extended their inflow streak to seven consecutive trading sessions, accumulating $3 billion over that period beginning September 17.
BlackRock's IBIT led the week with $1.2 billion in inflows, followed by Fidelity's FBTC at $701.7 million and Ark and 21Shares' ARKB at $294.7 million. Morgan Stanley's MSBT added $203.3 million, setting a weekly record since its April debut.
Bitcoin ETFs held $108.4 billion in net assets by Friday, with cumulative inflows reaching $57.6 billion since launch. Weekly trading volume declined to $15 billion from $16.2 billion the prior week.
Ether and Solana ETFs Gain Momentum
Ether ETFs collected $689.9 million during the week, reversing a $140 million outflow from the prior period. BlackRock's ETHA led with $326.2 million, while Fidelity's FETH attracted $174 million. The inflows pushed 2026 net additions to approximately $1.6 billion.
Ether ETFs reached $17.8 billion in net assets, with cumulative inflows since launch standing at $13.9 billion. Weekly trading volume declined to $4.8 billion from $6.9 billion.
Solana ETFs recorded a $86.7 million inflow on Friday, their largest single-day intake since launching in late October 2025. Weekly inflows totaled $188.2 million, trailing only the $199.2 million recorded during the launch week. Combined Solana ETF assets rose to a record $1.5 billion, a $300 million increase for the week.
Spot XRP ETFs added $75.6 million for the week, while Grayscale's Zcash fund briefly crossed $1 billion in net assets during the period.
