Bitcoin ETFs hit YTD high with $25 billion in volume as BlackRock sees zero outflows

Bitcoin ETFs in the US just pulled in $25 billion in trading volume over the past week, the most so far in 2025. That surge was led by BlackRock’s IBIT, which ran a 30-day streak with no outflows, according to MilkRoad, using data tracked by Bloomberg.

As of press time, IBIT has brought in $9 billion in net inflows for 2025, putting it among the top five ETFs in the US for the year. That’s a huge jump considering it was ranked #47 just a month earlier.

On May 7, it had already reached $6.96 billion, making it the sixth-largest ETF at the time. It bypassed SPDR Gold Trust (GLD), which had $6.5 billion and sat at #7. By mid-May, BlackRock’s product climbed higher, while GLD slipped to #14.

Bitcoin price surge drives institutional interest in ETFs

BlackRock’s rise in ETF flows came right as Bitcoin hit $112,000, drawing in more institutional cash. Eric Balchunas, an ETF analyst at Bloomberg, posted on Friday that, “All the BTC ETFs are elevated, most are gonna see 2x their daily average flows incoming.”

Bitwise, which runs crypto index funds, expects even more activity ahead. In their recent report Forecasting Institutional Flows to Bitcoin in 2025/2026, they project $120 billion in inflows this year and $300 billion more in 2026.

They pointed out that $36.2 billion already flowed into spot Bitcoin ETFs in 2024, outpacing how fast the gold ETF GLD gained traction when it first launched.

Bitwise reported that Bitcoin ETFs hit $125 billion in assets under management within 12 months, which was 20 times faster than GLD. If things keep moving at this pace, Bitwise believes Bitcoin could attract $100 billion a year by 2027, easily pushing it far beyond gold as the go-to asset for institutions.

Despite all that activity, around $35 billion in Bitcoin demand stayed on the sidelines in 2024. Morgan Stanley and Goldman Sachs, who manage a combined $60 trillion in client assets, held back because of internal compliance rules.

Those companies want to see more performance history from the ETFs before diving in, but the growing adoption of BTC funds is expected to change that.

Bitwise strategists Juan Leon, Guillaume Girard, and Will Owens modeled three scenarios. The bear case estimates inflows of over $150 billion, assuming governments shift 1% of their gold holdings to Bitcoin, US states build 10% BTC reserves, wealth platforms allocate 0.1%, and public companies move in with around $58.9 billion.

Bitwise says the base case brings that total to $600 billion, assuming 5% gold-to-BTC reallocation by countries, 30% state-level adoption, 0.5% wealth platform allocation, and a doubling of public company holdings to $117.8 billion.

This, with Bitwise’s forecasts of $120 billion this year and $300 billion next year, with nearly 20.32% of Bitcoin’s supply being absorbed. Governments moving 10% of their gold reserves to Bitcoin could unleash $323.4 billion, while US state adoption grows to 70% for another $45.8 billion.

Wealth platforms could jump to a 1% allocation, or $600 billion, and public companies could ramp up to $235.6 billion. In total, $426.9 billion could pour into Bitcoin ETFs, representing 4,269,000 BTC, if that scenario plays out.

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