According to Lookonchain, on May 28, Bitcoin ETFs recorded a net inflow of 2,889 BTC, equivalent to $310.21 million, with iShares (BlackRock) leading by adding 3,726 BTC ($400.13 million) and now holding 659,297 BTC ($70.8 billion). Ethereum ETFs saw a net inflow of 16,049 ETH ($42.31 million), while iShares contributed 12,107 ETH ($31.92 million) to its holdings. These ETF inflows highlight robust institutional demand, signaling potential upside momentum for both BTC and ETH markets as tracked by on-chain ETF flows. Source: Lookonchain (@lookonchain, Twitter, May 28, 2025).