The US spot Bitcoin ETF market experienced unprecedented challenges in June 2026, culminating in its most significant monthly outflows ever. By the end of June, the market recorded net outflows of $4.06 billion, surpassing the previous record low of $3.56 billion set in February 2025. This downturn was marked by a troubling pattern of consecutive days with net redemptions, peaking with a staggering single-day outflow of $696.3 million.
Investors witnessed BlackRock’s IBIT facing substantial withdrawals, totaling approximately $1.3 billion in just five days. As a result, the total assets under management in US spot Bitcoin ETFs stood at $72.82 billion at the close of the month. The final week of June did not bring relief; on June 29 alone, the market saw an additional $231 million in net redemptions.
Bitcoin’s price during June mirrored the ETF struggles, slipping below $60,000 and reaching a year-to-date low of $58,190. This decline reflects nearly a 30% drop from its initial valuation at the start of 2026. It's essential to note that this turmoil wasn't sudden; a streak of outflows initiated around mid-May had already drained approximately $4.4 billion before June began.
For the first time since inception in January 2024, the net flows for US spot Bitcoin ETFs have turned negative overall in 2026. Despite these outflows, Bitcoin holdings within the ETF structures remain near historical highs when evaluated in terms of BTC, indicating that long-term sentiment may still hold.
Interestingly, some corporate treasury buyers continued to acquire Bitcoin during the market dip, providing a counterbalancing effect not captured in ETF flow data. Even amidst these challenges, BlackRock’s IBIT retained its status as the leading product by assets, although the significant concentration of redemptions during that five-day period reflects its substantial size in the market.