Highlights
Wrapped Ethereum recorded 113,000 whale transactions worth more than US$100,000, setting a record for the highest online week since May 2021.
The increase in cash inflows to spot Ethereum ETF, the adoption of Robinhood Chain and the launch of BlackRock investment products have coincided with the growth in institutional participation and demand in the Ethereum ecosystem.
Although Sanitation warned that whale activity alone could not predict an increase, BitMine's corporate financial expansion and Ethlabs 'support strengthened institutional momentum.
Crypto analytics platform Sanitation found that whale activity in Wrapped Ethereum hit a five-year high, recording 113,000 transactions worth more than $100,000 in the past week.
According to Sanitation, this surge reflects the large amount of money that is flowing through Ethereum's trading, lending, liquidity and decentralized financial ecosystem, rather than passively holding assets.
The analyst company explained that this peak is the strongest weekly whale activity since May 2021. In addition, this growth has been accompanied by expanding institutional participation in Ethereum, through exchange-traded funds, corporate financial investments, and growing blockchain adoption.
Although the data does not confirm an immediate increase in prices, Sanitation points out that multiple institutional trends are developing as whale trading volumes increase. As a result, the latest activity has attracted attention because it reflects the flow of large amounts of money through the Ethereum financial infrastructure.
ETF capital inflows and network growth boost whale activity
According to Sanitation, the increase in Wrapped Ethereum whale trading volume has been synchronized with accelerating inflows of U.S. spot Ethereum exchange-traded funds. BlackRock's Ethereum investment products also attracted additional investor money, strengthening institutions 'exposure to the asset. In addition, since its launch on July 1, Robinhood Chain has increased the utilization of the Ethereum network by using ETH as its fuel token and processing large amounts of decentralized exchange transaction volume. This additional event has driven greater demand for Ethereum's settlement infrastructure.
Wrapped Ethereum (commonly known as WETH) is Ethereum's ERC-20 version of ETH. As a result, it is widely used in decentralized exchanges, lending agreements, liquidity pools, collateral management and other decentralized financial applications. Unlike traditional wallet holding, large WETH transfers typically represent institutional transactions, liquidity deployment, financial management, and collateral reconfiguration. Therefore, the surge in whale activity may indicate increased participation by mature investors rather than retail speculation.
Live Chart:https://t.co/pbKV4quT4j
Wrapped Ethereum’s network has logged 113K whale transactions above $100K in the past week, its highest levels since May, 2021. For $WETH, this kind of spike points to serious capital moving through Ethereum’s trading, lending,… pic.twitter.com/LnkFrTzNaF - Santiment Intelligence (@SantimentData) July 20, 2026
Sanitation's accompanying chart also highlights the scale of recent growth. In the past two years, most of the weekly whale transactions have remained between approximately 20,000 and 70,000. However, the latest reading soared to 113,000, the highest weekly level since Ethereum's previous market cycle. Interestingly, the price of Wrapped Ethereum does not reflect the surge in trading volume. This divergence suggests that institutional participants are becoming more active when prices are relatively limited.
Corporate financial expansion strengthens Ethereum narrative
According to Sanitation, corporate financial accumulation adds another layer of support to Ethereum's institutional adoption story. BitMine recently expanded its Ethereum position to approximately 5.8 million ETH, making it one of the largest known corporate holders of the cryptocurrency. In addition, BitMine, SharpLink and Ethereum co-founder Joe Lubin have jointly supported Ethlabs to enhance an infrastructure designed to meet growing institutional needs. These initiatives require significant asset transfers, custody operations and liquidity management, all of which are likely to drive growth in Wrapped Ethereum trading volume.
Sanitation emphasized that record whale activity by itself does not predict continued market gains. However, the analyst firm pointed out that the combination of ETF demand, corporate financial expansion, increased blockchain use and increased institutional participation makes this latest peak particularly significant.
Conclusion
Wrapped Ethereum's record 113,000 whale transactions highlight the unusual flow of institutional funds in the Ethereum financial ecosystem. Combined with stronger ETF inflows, expanding corporate holdings and higher online activity, these data suggest that large investors are increasingly participating in various activities in Ethereum infrastructure.

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