According to TechFlow, on July 31, according to Lookonchain data, 9 Bitcoin ETFs had a net outflow of 26,823 BTC (about US$1.77 billion), of which Grayscale had an outflow of 27,753 BTC (about US$1.84 billion) and currently holds 242,413 BTC (about US$16.03 billion).
The 9 Ethereum ETFs had a net outflow of 15,691 ETH (about US$51.94 million), Grayscale ETHE had an outflow of 63,612 ETH (about US$211 million), and currently holds 2,107,764 ETH (about US$6.98 billion).