TLDR: Bitcoin ETFs attract $2.4 billion for the strongest week since October 2025, turning 2026 net flows positive at $934.1 million. BlackRock’s IBIT leads issuers with $1.2 billion, while F
U.S. Bitcoin ETFs drew $2.4 billion in net inflows during the week ending Sept. 25. That marks their strongest weekly result since October 2025. The demand pushes their 2026 flow total back above zero. According to SosoValue data, the year-to-date inflows now reach about $934.1 million, reversing a deficit that stood near $5.8 billion two months earlier, in mid-July.
Monday provides the week’s largest daily share with a $999 million inflow. Daily additions then slow through Friday, but the funds extend their streak to seven sessions. Ether ETFs reverse the previous week’s outflow, while Solana ETFs record their largest single-day intake since their October 2025 launch.
The 12 Bitcoin ETFs collect $714.7 million on Tuesday after Monday’s near-billion-dollar opening. They add $347 million on Wednesday, $190.6 million on Thursday, and $134.5 million on Friday. That sequence takes the seven-session run, which starts September 17, to $3 billion.
Spot Bitcoin ETF Volume Market Share, Source: The Block
The prior week brings Bitcoin ETFs only $6.2 million, despite a $433 million Friday addition. Monday’s $999 million total ranks as the ninth-largest daily intake since these products launched in January 2024. It also marks their largest daily result since October 6, 2025. Each session records inflows.
BlackRock’s IBIT leads weekly demand with $1.2 billion, its second-largest weekly intake since October 2025. Fidelity’s FBTC follows with $701.7 million, its best result since the week of September 8, 2025. Ark and 21Shares’ ARKB receives $294.7 million, with most arriving during Monday’s session.
Morgan Stanley’s MSBT adds $203.3 million, setting a weekly record since its April debut. Its previous high was $71.1 million in mid-April. These allocations spread demand beyond the two largest funds, although IBIT and FBTC still account for most of the total.
Bitcoin ETFs hold $108.4 billion in net assets by Friday. Bitcoin ETFs’ cumulative inflows reach $57.6 billion since launch. Weekly trading volume falls to $15 billion from $16.2 billion, even as subscriptions rise. The funds therefore attract more new capital during a week with less secondary-market turnover.
The latest run follows the Treasury Department’s plan to increase buybacks of long-dated bonds. Market commentary links $5.3 billion in Bitcoin ETF inflows since the Treasury announcement to the buyback plan. The timing provides liquidity context for the reversal, although fund data do not establish a single cause.
Ether ETFs collect $689.9 million during the week after losing about $140 million in the prior period. Monday brings $270 million, their strongest daily result since October 7, 2025. Daily additions then range from $66 million to $162.3 million across the next four sessions.
BlackRock’s ETHA leads with $326.2 million, while Fidelity’s FETH attracts $174 million. Grayscale’s Ethereum Mini Trust adds $100.3 million. BlackRock’s ETHB receives $47.5 million, including $31.9 million on Friday.
Ether ETFs now show about $1.6 billion in net inflows for 2026. Net assets reach $17.8 billion, while cumulative inflows since launch stand at $13.9 billion. Weekly trading volume declines to $4.8 billion from $6.9 billion.
Solana ETFs take in a record $86.7 million on Friday, their largest daily inflow since launching in late October 2025. Bitwise’s BSOL supplies $55.7 million, or about 64% of that amount. Weekly inflows reach $188.2 million, trailing only the products’ $199.2 million launch week.
Friday’s record closes a week that finishes $11 million below the launch-period peak. Combined fund assets rise by $300 million, or about 25%, across the same period. That increase takes the group from $1.2 billion to a record $1.5 billion. BSOL holds about 71% of those assets.
Spot XRP ETFs add $75.6 million for the week. Grayscale’s Zcash fund briefly crosses $1 billion in net assets on Thursday, expanding the week’s inflows beyond Bitcoin, Ether, and Solana products.
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