US spot Bitcoin ETFs just posted their worst stretch since inception. Thirteen consecutive trading days of net outflows through early June 2026 drained roughly $4.4 billion from the funds, marking the longest sustained redemption streak since these products debuted in January 2024.

The numbers tell a clear story

The bleeding accelerated as the streak wore on. The week ending June 6 saw $1.72 billion in net outflows alone, the largest single-week withdrawal since February 2025. Zoom out a bit further and the picture gets grimmer: approximately $5.4 billion flowed out over a four-week span, according to data tracked by SoSoValue.

That cumulative damage was enough to flip 2026 year-to-date flows negative for the first time since these ETFs began trading.

There was a brief flicker of hope on June 4-5, when a modest net inflow of about $3 million trickled back in. Outflows resumed almost immediately afterward.

Major issuers including BlackRock and Fidelity, whose funds have been the dominant vehicles for institutional Bitcoin exposure, felt the impact directly.

What’s driving the exodus

Bitcoin’s price during this period traded in a range between $59,000 and $65,000. Expectations around Federal Reserve interest rate cuts have been pushed further out, with markets now pricing in delays potentially extending into 2027.

Context matters: how this compares to history

When spot Bitcoin ETFs launched in January 2024, they absorbed over $10 billion in their first few months. BlackRock’s iShares Bitcoin Trust became one of the fastest-growing ETFs in history by virtually any measure.

Previous outflow episodes in 2025 were shorter and shallower. The February 2025 weekly outflow record that this June just surpassed was itself considered notable at the time. The fact that it was eclipsed by the $1.72 billion week ending June 6 suggests the current cycle of institutional caution is more pronounced than anything we’ve seen since launch.

2026 year-to-date flows turning negative means the net effect of all ETF activity this year has been capital destruction, not capital formation.

What this means for investors

For traders, the $59,000 to $65,000 range becomes critical to watch. Sustained ETF outflows create persistent sell pressure because authorized participants redeem shares by selling the underlying Bitcoin.