BlackRock’s Ethereum ETF Dumps $375M in ETH – Largest Single-Day Outflow Since 2025 Launch

• BlackRock’s Ethereum ETF Shakes Markets With Record Outflow
• Ethereum ETF Rollercoaster: From Record Inflows to Sudden Exodus
• Whale Watching: Institutional Players Make Big Moves
• Bitcoin ETFs Feel the Heat Too
• What’s Next for Ethereum and Crypto ETFs?
• Ethereum ETF FAQs

BlackRock’s iShares ethereum Trust just made crypto headlines by offloading 101,975 ETH (~$375M) on August 4, 2025 – its biggest single-day outflow since launch. This move wiped out 3% of its crypto holdings and ended a 21-day inflow streak for U.S. Ethereum ETFs. Meanwhile, institutional whales are quietly accumulating ETH, with 14 new wallets buying $3.1B worth since July. The ETF drama comes as Bitcoin ETFs also see record outflows, creating perfect storm conditions in crypto markets.

BlackRock’s Ethereum ETF Shakes Markets With Record Outflow

When BlackRock sneezes, the crypto market catches a cold. The asset management giant’s iShares Ethereum Trust (ETHA) just executed its largest single-day ETH sell-off since launching, dumping 101,975 coins worth approximately $375 million on August 4. According to SosoValue data, this represents about 3% of the fund’s total crypto holdings – not exactly pocket change even for a firm managing $10.7 billion in net assets.

What makes this particularly interesting? It snapped a 21-day inflow streak for U.S. Ethereum ETFs, triggering a domino effect across the sector. Fidelity’s ETH Trust followed suit with $55 million in outflows, while Grayscale’s Mini Trust saw $28 million walk out the door. "This is institutional profit-taking at its most surgical," noted a BTCC analyst. "The question now is whether this marks a temporary pullback or the start of a broader trend."

Ethereum ETF Rollercoaster: From Record Inflows to Sudden Exodus

Just three weeks ago, these same ETFs were breaking inflow records. July 16 saw $726.6 million flood into U.S. spot Ether ETFs, with BlackRock’s fund alone capturing $499 million. The following day added another $602 million. This buying spree helped push Ethereum’s price up 60-67% during July, proving how quickly sentiment can shift in crypto markets.

Fast forward to August, and the picture looks decidedly different. The August 1 outflow of $152.26 million now appears to have been a warning shot before BlackRock’s nuclear option. BitMEX co-founder Arthur Hayes observed, "July’s ETF inflows showed institutional risk appetite evolving, but August’s outflows demonstrate how quickly that appetite can change when profits are on the table."

Whale Watching: Institutional Players Make Big Moves

While ETFs were selling, other institutional players were buying – and not small amounts either. Lookonchain data reveals three large wallets scooped up 63,837 ETH ($236 million) through OTC deals with FalconX and Galaxy Digital. Even more intriguing? Fourteen new wallets have accumulated 856,554 ETH since July 9, worth over $3.1 billion at current prices.

This creates a fascinating dichotomy in the market. As ETFs take profits, other deep-pocketed investors see current prices as an attractive entry point. "The smart money isn’t necessarily leaving Ethereum – it’s just rotating between different institutional vehicles," commented our BTCC market analyst.

Bitcoin ETFs Feel the Heat Too

The outflow contagion spread to bitcoin ETFs as well. BlackRock’s IBIT saw $292.5 million exit on Monday – its largest outflow in two months. Fidelity’s FBTC lost $40 million, while Grayscale’s GBTC bled $10 million. This came after U.S. spot Bitcoin ETFs recorded their second-largest single-day outflow ever on Friday at $812.25 million.

Bloomberg’s ETF expert Eric Balchunas put it bluntly: "2025 has seen digital assets become the new darling of hedge funds, but even darlings get sold when profits look tasty." The outflows coincided with Bitcoin’s price dipping to $112K over the weekend, though it’s since recovered to around $113,000 at press time.

What’s Next for Ethereum and Crypto ETFs?

The recent volatility highlights how crypto ETFs have become the new battleground for institutional crypto trading. While July’s inflows showed growing mainstream acceptance, August’s outflows demonstrate that institutions will take profits just like retail traders – just with more zeros attached.

For Ethereum specifically, the competing narratives of ETF selling versus OTC accumulation suggest we might be in for continued volatility. As always in crypto, the only certainty is uncertainty. This article does not constitute investment advice.

Ethereum ETF FAQs

How much ETH did BlackRock’s ETF sell?

BlackRock’s iShares Ethereum Trust sold 101,975 ETH worth approximately $375 million on August 4, 2025.

What percentage of holdings did this represent?

The sale constituted about 3% of the fund’s total crypto assets under management.

How did other Ethereum ETFs perform?

Fidelity’s ETH Trust sold $55 million worth, while Grayscale’s Mini Trust saw $28 million in outflows.

What’s the current AUM of Ethereum ETFs?

U.S. spot Ethereum ETFs currently hold about $20.47 billion in assets under management.

Are institutions still buying Ethereum?

Yes, on-chain data shows 14 new wallets have accumulated 856,554 ETH ($3.1B) since July 9 through OTC deals.

Did Bitcoin ETFs also experience outflows?

Yes, BlackRock’s Bitcoin ETF saw $292.5 million in outflows, its largest in two months.