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Ethereum ETFs Continue $3.7B Inflow Streak, Bitcoin Funds Trail Behind

Published 15 August 2025
Eddie Mitchell
Authors
Edited by Insha Zia
Key Takeaways
  • U.S. spot Ethereum ETFs command $29.22 billion in net assets, representing 5.34% of ETH’s market cap.
  • So far in August, Ethereum ETFs have tallied over $3 billion in net inflows.
  • U.S. spot Bitcoin ETFs hold $153.43 billion in net assets, or 6.54% of BTC’s market cap.

Ethereum’s (ETH) ongoing institutional dominance is hard to ignore as U.S. spot ETH exchange-traded funds (ETFs) continue to outperform Bitcoin (BTC) in August.

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Ethereum ETFs

Ethereum ETFs are flying high as they record an additional $639.61 million in daily total net inflows on August 15, 2025, marking day eight of another historical inflow streak that has garnered around $3.7 billion in net inflows.

Ethereum ETF inflows/outflows.
Ethereum ETF flows. | Source: SoSoValue.

BlackRock’s iShares Ethereum Trust (ETHA) is the most dominant, representing around $2.6 billion of inflows recorded in the past eight days.

Although inflows have yet to be recorded for Aug. 15, ETH funds have drawn $2.91 billion in weekly total net inflows, marking their best-performing week since launch.

The previous record was set on the week ending July 18, when funds tallied $2.18 billion in weekly inflows.

This ongoing momentum has given ETH a solid price boost, allowing it to test its all-time high, jumping up an additional 19% over the past seven days to around $4,650.

Bitcoin ETFs

Bitcoin ETFs tallied $230.93 million in daily total net inflows on Aug. 14, 2025, marking day seven of a modest inflow streak totaling $1.34 billion.

That said, it follows a sizable four-day outflow streak between July 31 and Aug. 5, which saw funds lose $1.45 billion in net outflows.

Bitcoin ETF inflows/outflows.
Bitcoin ETF flows. | Source: SoSoValue.

Similar to ETH ETFs, BlackRock’s iShares Bitcoin Trust (IBIT) is almost untouched.

Having recorded $372.21 million in net outflows in the first three trading days of August, it has since pulled $1.33 billion in net inflows.

Coupled with heightened market activity, the BTC token recently crossed into a new all-time high despite all the attention on ETH.

That said, BTC has contracted 1.46% in the past 24 hours, and is now trading at $119,095.

Eddie Mitchell

Eddie is a gaming and crypto writer at CCN. Covering the often weird and wonderful world of Web3 with an adoring, but skeptical eye.

Prior to CCN, Eddie has spent the past seven years working his way through the crypto, finance, and technology industry. He began with PR and journalism with Bitcoin PR Buzz and BitcoinNews.com, eventually working his way to become a copywriter with a dozen firms, including the likes of Polkadot before returning to journalism in 2023.

Having studied Radio production and journalism at University in the UK, Eddie spent a few years making podcasts and presenting on a local London radio station as he built up his writing chops.

A lifelong skateboarder, Eddie can often be found at the skatepark or touring the streets looking for something new to try. That, or kicking back playing JRPGs on his original PSP.

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