Bitcoin ETF Inflows Reach $3.8B in 2026’s Best Three-Week Run

US spot Bitcoin exchange-traded funds recorded their strongest three-week inflow period of 2026, attracting nearly $1 billion during the week ending Friday. Total net inflows reached $3.8 billion, according to SoSoValue, as Bitcoin traded near the $80,000 level.

Friday’s inflows slowed to $174.6 million after nearly $731 million entered the funds on Thursday. BlackRock’s iShares Bitcoin Trust led the latest session with $117.4 million, accounting for about 67% of daily inflows, while Fidelity’s Wise Origin Bitcoin Fund added $57.2 million. Total net assets across US spot Bitcoin ETFs stood at $101.3 billion on Friday, down from $103.3 billion a day earlier. Cumulative net inflows reached $55.6 billion, although year-to-date flows remained approximately $1 billion negative.

Demand weakened as Bitcoin slipped from around $81,200 to briefly below $79,000 on Friday. The cryptocurrency was trading at $79,716 at publication time but remained up roughly 2.6% over seven days, according to CoinGecko.

Bitcoin’s weekly inflows rose about 7%, while US spot Ether and XRP ETF flows declined approximately 74% and 83%, respectively. Ether funds added $218.4 million during the week, down from $824.4 million, while XRP ETFs attracted $19 million, compared with $110.5 million. Despite the slowdown, Ether and XRP ETFs remained positive for 2026, with year-to-date inflows of about $863 million and $515 million, respectively.