According to @lookonchain, on Oct 17 the 10 Bitcoin ETFs recorded net outflows of 4,998 BTC valued at $526.81M, while the 9 Ethereum ETFs saw net inflows of 4,202 ETH valued at $15.81M (source: @lookonchain on X, Oct 17, 2025). According to @lookonchain, ARK 21Shares had outflows of 2,544 BTC worth $268.14M, with remaining holdings at 42,474 BTC valued at $4.48B (source: @lookonchain on X, Oct 17, 2025). Based on figures reported by @lookonchain, ARK 21Shares’ single-day outflow equates to about 6.0% of its BTC holdings, while BlackRock’s 12,098 ETH inflow of $45.51M lifted its total to 4,052,934 ETH ($15.25B), a roughly 0.30% daily increase (source: @lookonchain on X, Oct 17, 2025). According to @lookonchain, the ETF flow split indicates net investor demand via ETFs favored ETH over BTC on the day, a trading-relevant signal for monitoring relative strength and the ETH/BTC pair (source: @lookonchain on X, Oct 17, 2025).

According to Lookonchain, aggregate net flows on Oct 13 were negative across both asset classes, with 10 Bitcoin ETFs at -1,779 BTC (-$198.51M) and 9 Ethereum ETFs at -92,891 ETH (-$370.63M) (source: Lookonchain). Bitwise recorded outflows of 1,000 BTC ($111.63M) and currently holds 41,194 BTC valued at $4.6B (source: Lookonchain). BlackRock recorded outflows of 72,893 ETH ($290.84M) and currently holds 3,999,704 ETH valued at $15.96B (source: Lookonchain). Based on Lookonchain figures, dollar outflows from ETH ETFs exceeded BTC ETFs by $172.12M on the day (source: Lookonchain). Outflows were issuer-concentrated: BlackRock accounted for roughly 78.5% of ETH ETF net outflows by ETH units, while Bitwise accounted for about 56.2% of BTC ETF net outflows by BTC units (source: Lookonchain). Relative to holdings, Bitwise’s daily BTC outflow equaled approximately 2.43% of its BTC holdings, and BlackRock’s daily ETH outflow equaled about 1.82% of its ETH holdings (source: Lookonchain).

According to Lookonchain, Oct 13 ETF flows showed Bitcoin ETFs net -97 BTC (-$11.12M) while Ethereum ETFs net -34,603 ETH (-$142.22M), indicating day-of redemptions concentrated in ETH, source: Lookonchain. GBTC recorded 384 BTC outflows and currently holds 176,131 BTC ($20.12B), implying roughly 0.22% of its holdings redeemed based on the reported figures, source: Lookonchain. BlackRock reported 19,963 ETH outflows and currently holds 4,072,597 ETH ($16.74B), about 0.49% of holdings, with dollar outflows notably larger than BTC ETFs on the session, source: Lookonchain. These data highlight larger ETH ETF redemptions versus BTC ETFs on Oct 13, a key input for flow-sensitive trading strategies, source: Lookonchain.

According to @lookonchain on X (Oct 6, 2025), 10 Bitcoin ETFs recorded net inflows of +7,553 BTC worth $743.34M for Oct 6. According to @lookonchain, BlackRock led BTC products with +6,447 BTC of inflows worth $805.23M and now holds 783,768 BTC valued at $97.89B. According to @lookonchain, 9 Ethereum ETFs posted net inflows of +51,653 ETH worth $240.81M for the day. According to @lookonchain, BlackRock added +45,672 ETH worth $212.92M and holds 3,933,864 ETH valued at $18.34B. According to @lookonchain data, combined BTC and ETH ETF net inflows totaled about $984.15M on Oct 6, with BlackRock the largest single-day contributor across both assets.

According to Lookonchain, 10 Bitcoin ETFs recorded net outflows of 1,237 BTC valued at $139.97M on Sep 24, source: Lookonchain on X on Sep 24, 2025. According to Lookonchain, Fidelity saw outflows of 676 BTC valued at $76.44M and holds 204,230 BTC valued at $23.1B, source: Lookonchain on X on Sep 24, 2025. According to Lookonchain, 9 Ethereum ETFs recorded net outflows of 21,865 ETH valued at $91.29M on Sep 24, source: Lookonchain on X on Sep 24, 2025. According to Lookonchain, Fidelity saw outflows of 15,222 ETH valued at $63.55M and holds 781,948 ETH valued at $3.26B, source: Lookonchain on X on Sep 24, 2025.

According to @lookonchain, 10 Bitcoin ETFs posted a combined net flow of −631 BTC (−$68.83M) on Sept 1, 2025. According to @lookonchain, VanEck recorded outflows of 627 BTC ($68.38M) and currently holds 16,780 BTC ($1.83B). According to @lookonchain, 9 Ethereum ETFs registered a combined net flow of −4,319 ETH (−$19M). According to @lookonchain, Bitwise saw outflows of 5,467 ETH ($24.06M) and currently holds 130,701 ETH ($575.08M).

According to @lookonchain, on Aug 22 ten Bitcoin ETFs recorded net outflows of 2,014 BTC valued at $233.57M. Source: @lookonchain, Aug 22, 2025. According to @lookonchain, BlackRock iShares saw outflows of 1,135 BTC ($131.71M) and holds 746,288 BTC worth $86.57B. Source: @lookonchain, Aug 22, 2025. According to @lookonchain, nine Ethereum ETFs posted net inflows of 64,739 ETH totaling $299.93M, with BlackRock iShares contributing 55,065 ETH ($255.11M) of the day’s inflows. Source: @lookonchain, Aug 22, 2025. According to @lookonchain, the daily flow spread favored ETH over BTC by $533.5M based on these figures, with iShares representing about 56% of BTC ETF outflows and about 85% of ETH ETF inflows. Source: @lookonchain, Aug 22, 2025.

According to Milk Road (@MilkRoadDaily) via FarsideUK data, US spot Bitcoin ETFs have experienced $2.68 billion in net inflows from Monday to Thursday this week, a dramatic 180x increase from just $15 million during the same period last week. This marks the third largest weekly net inflow on record. If net flows reach $661 million by the end of today, this week could rank as the highest ever. Such strong capital inflows indicate heightened institutional interest and potential bullish price action for Bitcoin in the short term (source: @MilkRoadDaily, April 25, 2025).