Bitcoin and Ethereum ETFs See Record $2.62 Billion Weekly Inflow in 2026
Crypto ETFs attracted the highest weekly investment of the year.
1Record Week
US spot Bitcoin and Ethereum ETFs collectively attracted $2.62 billion in investments during the week of August 17-21, 2026. Bitcoin ETFs gathered $1.92 billion while Ethereum ETFs collected $697 million, marking the highest weekly inflows for both segments in 2026. BlackRock's IBIT and ETHA funds were the top performers, demonstrating strong investor appetite for crypto investment products.
2Bitcoin ETF Performance
Bitcoin ETFs saw consistent inflows across all five trading days: $297 million on August 17, $189 million on the 18th, $517 million on the 19th, $606 million on the 20th, and $307 million on the 21st. BlackRock's IBIT fund alone attracted $1.33 billion, while Fidelity's FBTC gathered $293 million and ARK Invest's ARKB received $126 million. Grayscale's BTC fund saw $36 million in inflows.
3Ethereum ETF Growth
Ethereum ETFs demonstrated increasing interest throughout the week: $30 million on August 17, $71 million on the 18th, $189 million on the 19th, $220 million on the 20th, and $184 million on the 21st. BlackRock's ETHA fund led with $536 million, followed by Fidelity's FETH at $56 million and Grayscale's ETH at $30 million. Other Ethereum ETFs also showed positive momentum.
4Other Crypto ETFs
XRP ETFs attracted $39 million, SOL ETFs $28 million, and LINK ETFs $13 million. HYPE, AVAX and DOGE ETFs saw smaller inflows while BNB ETFs experienced $260,000 in outflows. LTC and DOT ETFs saw no capital movement. These results indicate diversified interest across the crypto ecosystem beyond just Bitcoin and Ethereum.
5Week-over-Week Comparison
The previous week (August 10-14) had seen over $390 million in outflows from Bitcoin and Ethereum ETFs. The $2.62 billion inflow represents a significant sentiment shift among investors. Market analysts attribute this reversal to improving global liquidity conditions and growing institutional interest in crypto assets.
6BlackRock's Dominance
BlackRock's IBIT Bitcoin ETF attracted $1.33 billion while its ETHA Ethereum ETF gathered $536 million, accounting for 71% of total inflows. The asset management giant continues to expand its crypto market share in 2026. Competitors like Fidelity and ARK Invest captured smaller portions of the investment flow.
7Institutional Investor Impact
The record inflows demonstrate growing institutional confidence in crypto markets. Spot ETFs provide traditional financial institutions with easier exposure to crypto assets. Analysts predict continued institutionalization of crypto markets if this trend persists, potentially leading to greater market stability.
8Market Implications
The substantial capital inflows into ETFs positively impacted Bitcoin and Ethereum prices. Market observers note these investments increase crypto market liquidity while reducing volatility. Long-term, such institutional products could accelerate mainstream adoption of crypto as an asset class.