According to Lookonchain, 10 Bitcoin ETFs recorded net inflows of +2,409 BTC, equal to USD 267.37M, on Sept 9, 2025 (source: Lookonchain, Sep 9, 2025). Fidelity accounted for +1,395 BTC in inflows, equal to USD 154.88M, and held 201,069 BTC valued at USD 22.32B at the time of the update (source: Lookonchain, Sep 9, 2025). Meanwhile, 9 Ethereum ETFs posted net outflows of -47,101 ETH, equal to USD 201.87M, with BlackRock iShares recording -44,774 ETH outflows and holding 3,661,025 ETH valued at USD 15.69B (source: Lookonchain, Sep 9, 2025).

According to Lookonchain, on Sept 2, ten spot Bitcoin ETFs posted a combined net outflow of 648 BTC (about $72.22M), with ARK 21Shares recording outflows of 665 BTC (about $74.1M) and total holdings of 43,054 BTC (about $4.8B) (source: Lookonchain on X, Sept 2, 2025). According to Lookonchain, nine Ethereum ETFs saw a combined net outflow of 11,731 ETH (about $51.09M), with Fidelity recording outflows of 11,731 ETH (about $51.09M) and total holdings of 785,598 ETH (about $3.42B) (source: Lookonchain on X, Sept 2, 2025).

According to @FarsideUK, Fidelity’s Ethereum ETF posted a daily net outflow of 51 million US dollars in the latest Ethereum ETF Daily Flow update; source: Farside Investors tweet https://twitter.com/FarsideUK/status/1961587496350871790. The data and methodological disclaimers are available on Farside Investors’ tracker page; source: https://farside.co.uk.

According to @lookonchain, on Aug 19, 2025, 10 Bitcoin (BTC) ETFs recorded net outflows of 1,717 BTC valued at $197.19 million (source: @lookonchain, Aug 19, 2025). The same source reports Grayscale Bitcoin Trust (GBTC) saw outflows of 722 BTC worth $82.87 million and currently holds 179,855 BTC valued at $20.66 billion (source: @lookonchain, Aug 19, 2025). For Ethereum, @lookonchain states that 9 ETH ETFs posted net outflows of 63,778 ETH totaling $272.71 million, while Grayscale Ethereum Trust (ETHE) registered outflows of 23,427 ETH worth $100.17 million (source: @lookonchain, Aug 19, 2025).