US spot Bitcoin exchange-traded funds took in roughly $1 billion in net inflows this week, their third-strongest showing since October and the best week for the category since April. Bitcoin traded near $65,093, up 0.59% on the day, as the fresh capital pointed to renewed institutional appetite after a choppy stretch for ETF flows.

Bloomberg ETF analyst Eric Balchunas, who first flagged the weekly total on Saturday, described the trend as part of Bitcoin's ongoing "silent IPO" — his shorthand for a slow handoff in which institutional buyers accumulate coins as early holders gradually distribute their positions through regulated products rather than the open market.

a close up of a bunch of gold coins
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BlackRock's IBIT Still Leads the Pack

The rebound builds on a pattern that has held for most of the ETF category's history: BlackRock's iShares Bitcoin Trust doing the heavy lifting. In the first three trading days of August alone, US spot Bitcoin ETFs pulled in a combined $626 million, and IBIT alone accounted for close to $479 million of that — more than three-quarters of the category's total. On its strongest single day in that stretch, August 5, IBIT brought in nearly $197 million out of $244.4 million in inflows across all seven funds. Since its January 2024 launch, IBIT has now accumulated close to $61 billion in cumulative net inflows.

A Hack in the Background

Balchunas also pointed to a less obvious tailwind: the recent Coldcard hardware-wallet hack, which resulted in roughly $116 million in stolen Bitcoin from self-custody users. He argued the incident could push some holders toward regulated custodians over time, telling followers that "long-term I can't imagine there aren't some who migrate" from self-custody to ETF products, while cautioning that correlation isn't proof of causation.

Related: Coldcard Hack Losses Top $130M as Coinkite Won't Give Its Own Estimate

Whether that migration materializes or not, the week's flow data suggests institutional demand has firmed up again after a rockier July, with fund managers and analysts watching whether the pace holds into the back half of August.