Spot bitcoin (BTC) exchange-traded funds in the U.S. saw $4.5 billion in net outflows in June, marking their largest monthly withdrawal since the products launched in January 2024.
According to SoSoValue data, the ETFs reported another day of net outflows on June 30, worth $222.6 million, ending the month in a negative streak that has now extended to nine days.
BlackRock's IBIT, the largest spot bitcoin ETF in net assets, accounted for the largest portion of the outflows, reporting $3.55 billion in outflows this month alone. The combined monthly outflow of $4.5 billion exceeds the previous record outflow of $3.48 billion set in February 2025 by 29%.
"The ETF outflows appear to be driven primarily by a broader macro rotation rather than a deterioration in Bitcoin's long-term fundamentals," Paul Howard, senior director at Wincent, told The Block. "Elevated interest rates, geopolitical uncertainty and a more cautious macro backdrop have encouraged institutions to reduce exposure to higher-volatility assets."
Maxime Seiler, CEO of STS Digital, said that the record outflows stem from a "simple lack of fresh capital" following last year's heavy deployment into bitcoin and ETFs, alongside a significant capital rotation into the SpaceX initial public offering.
Several analysts have previously pointed out that SpaceX's IPO could have an outsized impact on crypto, potentially triggering a rotation out of the digital asset market. SpaceX's debut marked the largest single day of net buying from retail investors on record, selling over 555 million shares and raising $75 billion, according to CNN.
"Fewer new dollars are being allocated to bitcoin, and the SpaceX IPO in June pulled meaningful capital out of the space entirely, with allocators rotating into the largest listing in history," Seiler said. "With the market clarity bill still not through and no catalyst to wait for, what's left is a supply overhang being worked back into the market through the ETF wrapper."
Total net assets across the U.S. spot bitcoin ETFs have declined to roughly $70.9 billion from peaks above $110 billion earlier in the year. Cumulative net inflows since the ETFs' inception nevertheless remain positive at more than $51 billion.
Pressure on bitcoin
Bitcoin has fallen to trade at around $58,500, which is a level last consistently seen in September 2024, according to The Block's BTC price page. It is down 20% in the past 30 days, and 45% in the past year, amid strong volatility.
In its latest alpha report, Bitfinex said bitcoin could potentially fall into a deeper pit near $40,000 by the fourth quarter of this year.
"ETF outflows can create near-term selling pressure because they represent a reduction in one source of demand for spot bitcoin," said Jerald David, CEO of Lynq. "Combined with a cautious macro backdrop, that could contribute to increased volatility and make it more difficult for bitcoin to sustain upward momentum in the short term."
Still, analysts agree that significant ETF outflows do not signal a deterioration in bitcoin's fundamentals or the conviction held by long-term institutional and retail investors.
"It reads more as speculative exposure cooling than long-term conviction leaving, so I wouldn't take it as institutions souring," said Renna Ba, head of ecosystem at Morph. "I believe this actually represents a stabilizing phase for the crypto market as a whole. True resilience in digital assets will not be driven by speculative trading volumes, but by on-chain utility and real-world deployment."
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