Ethereum spot ETFs surpassed Bitcoin ETFs on September 15 with $359.73 million in net inflows.
This is the fifth consecutive day of positive flows for Ethereum products. Bitcoin ETFs recorded $260.02 million in inflows and extended their streak to six straight days.
Ethereum ETFs Extend Five-Day Inflow Streak
Ethereum spot ETFs maintained positive momentum with $359.73 million in net inflows on September 15.
As per SoSo Value data, daily inflows over this period ranged from $44.16 million to $405.55 million.
Bitcoin ETFs recorded $260.02 million in net inflows and are on their sixth consecutive day of positive flows.

The Bitcoin streak includes daily inflows ranging from $23.05 million to $757.14 million. Both asset classes show consistent institutional buying pressure across multiple trading sessions.
The Ethereum total shows the cumulative daily net inflow of $359.73 million as of September 15. Cumulative total net inflows for Ethereum ETFs reached $13.72 billion. Total net assets across all Ethereum ETF products stand at $29.72 billion.
Bitcoin ETFs have maintained a larger scale with cumulative inflows of $57.09 billion. Total net assets for Bitcoin ETF products reached $151.72 billion.
Trading volumes on September 15 showed $2.09 billion for Ethereum ETFs compared to $3.03 billion for Bitcoin ETFs. The volume data indicate active institutional participation across both product categories.
BlackRock ETHA Dominates Individual ETF Performance
BlackRock’s ETHA led individual Ethereum ETF performance with $363.19 million daily net inflows.
The fund recorded 80.77K ETH in direct token purchases on September 15. ETHA also maintains $13.25 billion in cumulative net inflows since launch.
Grayscale’s ETHE posted $10.00 million in net inflows with 2.22K ETH purchases. The fund trades at a slight discount with a -0.01% premium. ETHE shows -$4.54 billion in cumulative flows, which shows earlier outflow periods.
Fidelity’s FETH experienced -$13.46 million in net outflows with -2.99K ETH redemptions. The fund maintains a +0.02% premium pricing despite daily outflows. FETH holds $2.85 billion in cumulative net inflows overall.
Several Ethereum ETF products, including Grayscale ETH, Bitwise ETHW, and VanEck ETHV, showed zero daily flows.
These funds recorded $0.00 in net flows with no token movements. Cumulative assets range from $22.88 million to $430.78 million across these products.
Weekly Data Shows Sustained Institutional Demand
Weekly Ethereum ETF data shows $637.69 million in net inflows for September 12. Trading volume reached $9.18 billion that week, with total net assets hitting $30.35 billion. The September 5-week period recorded $787.74 million in inflows.

Bitcoin ETFs showed $2.34 billion in weekly net inflows for September 12. Weekly trading volume reached $16.65 billion with $153.18 billion in total net assets.
The September 5 Bitcoin ETF week recorded $246.42 million in net inflows. Total net assets stood at $144.05 billion during that period. Weekly trading volume also reached $13.27 billion across all Bitcoin ETF products.
Month-over-month growth shows accelerating institutional adoption for both asset classes. Ethereum ETF data shows they are catching up to Bitcoin regarding weekly flow momentum.
Cumulative data since launch shows Bitcoin ETFs have maintained their lead with $57.09 billion in total inflows.
Despite their later market entry, Ethereum ETFs have achieved $13.72 billion in cumulative inflows. The gap continues narrowing as Ethereum products gain more institutional attention.




