The week began with recovery and ended with a surge.
Bitcoin ETFs attracted fresh capital in every session: the inflow, which started on Monday at $297.56 million, grew into a three-day spike that led this category to its strongest weekly result in recent months. Ethereum followed the same path, while $XRP and Solana funds quietly gained momentum throughout the week.
Bitcoin Leads Five-Day Buying Wave
The net inflow into Bitcoin ETFs for the week amounted to $1.92 billion.
$297.56 million came in on Monday, and $189.30 million on Tuesday. Demand accelerated on Wednesday as the price of Bitcoin exceeded the $70,000 mark, leading to a $517.19 million inflow into the funds. Thursday saw the largest daily inflow of $606.29 million, and Friday added another $307.45 million.
BlackRock's IBIT fund led the weekly report with an inflow of $1.33 billion. Fidelity's FBTC fund attracted $293.1 million, and ARK 21Shares' ARKB attracted $126.9 million.
Bitwise's BITB fund attracted $87.3 million. Morgan Stanley's MSBT fund attracted $28.9 million, Grayscale's GBTC fund - $21.2 million, and the Bitcoin Mini Trust - $36.2 million. Vaneck's HODL fund was the main exception, losing $16.1 million.
Bitcoin ETF trading volume for the week reached $22.1 billion, more than triple the figure from the previous week ($6.9 billion). Assets under management grew to $96.07 billion, a 25% increase. In just the last three trading sessions, nearly $1 billion flowed into Bitcoin ETFs—the strongest three-day growth since Bitcoin last traded above $80,000.
Ethereum and Altcoins Join the Rally
Ethereum ETFs also ended each session in positive territory, attracting $697 million for the week.
The inflow grew from $30.85 million on Monday to $71.47 million on Tuesday, then accelerated to $189.15 million on Wednesday and $220.77 million on Thursday. On Friday, the inflow closed at $184.93 million.
The combined inflow into Bitcoin and Ethereum ETFs reached $2.62 billion—the largest weekly figure since October 2025.
$XRP ETFs attracted $39.78 million, driven by significant inflows on Thursday and Friday of $13.24 million and $18.38 million, respectively.
Solana funds attracted $28.34 million, with most of the demand coming at the end of the week. The net inflow into HYPE ETFs was $3.89 million. A Wednesday outflow of $1.97 million was more than offset by a Thursday inflow of $5.86 million.
Sosovalue highlighted the difference in inflow intensity between the two largest crypto assets. The weekly Bitcoin inflow of $1.92 billion represented about 2.0% of its $96.07 billion assets, while the Ethereum inflow of $697 million equaled roughly 4.9% of its asset base of $14.29 billion.
"ETH continued to attract significantly more capital relative to the current ETF volume," noted Sosovalue. This stronger proportional demand contributed to Ethereum's price rising from around $1,900 to a high of $2,546, with ETF buying, corporate treasury positions, and supply constraints related to staking all contributing to tightening supply and demand dynamics.
By the close of trading on Friday, the market had demonstrated one of the most active weeks of institutional buying this year. Bitcoin remained the clear center of attraction, while Ethereum and major altcoin funds also participated in this surge.
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