Key Takeaways
- • BlackRock's Bitcoin ETF (IBIT) captured $143.57 million of $189.30 million in total bitcoin ETF inflows on Tuesday, August 19, 2026, extending the week's strong institutional demand.
- • Ether ETF inflows reached $71.47 million across five funds, with BlackRock's ETHA accounting for $64.68 million, demonstrating broad-based institutional adoption across multiple cryptocurrency assets.
- • Combined bitcoin and ether ETF inflows totaled $260.60 million on Tuesday alone, with bitcoin ETF net assets reaching $79.30 billion and ether ETF net assets at $10.83 billion.
- • Fidelity (FBTC, +$23.92M), ARK 21Shares (ARKB, +$19.73M), and Bitwise (BITB, +$16.15M) also attracted substantial capital, though Vaneck's HODL recorded the sole notable outflow at -$16.92 million.
- • No ether ETF posted an outflow, signaling sustained institutional confidence in ethereum-based products following Monday's nearly $300 million inflow day.
Summary
Bitcoin ETFs attracted $189.30 million across five funds on Tuesday. BlackRock's IBIT led the session, capturing $143.57 million—75.8% of total bitcoin ETF inflows. Fidelity's FBTC added $23.92 million, while ARK 21Shares' ARKB and Bitwise's BITB contributed $19.73 million and $16.15 million, respectively. Grayscale's Bitcoin Mini Trust rounded out positive performers with $2.86 million. Vaneck's HODL was the only bitcoin fund to record an outflow, declining $16.92 million. Bitcoin ETF trading volume reached $1.36 billion on the day, with combined net assets closing at $79.30 billion.
Ether ETFs built on Monday's momentum, drawing $71.47 million across five funds with no outflows recorded. BlackRock's ETHA dominated, supplying $64.68 million of the total—90.5% of ether inflows. Grayscale's Ether Mini Trust added $2.74 million, while ETHE, Bitwise's ETHW, and Invesco's QETH contributed $1.54 million, $1.37 million, and $1.14 million, respectively. Ether ETF trading value totaled $524.77 million, with net assets ending the day at $10.83 billion.
The consistent strength in Tuesday's flows, following Monday's approximately $300 million inflow day, underscores sustained institutional appetite for cryptocurrency exposure through regulated products. BlackRock's commanding market share—particularly across its flagship IBIT and ETHA products—reflects the firm's competitive positioning and the broader institutional shift toward established issuers in the cryptocurrency ETF space.
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