The U.S.-listed Spot Bitcoin exchange-traded fund (ETF) posted its biggest single-day net outflow in June on Thursday, as Bitcoin fell below $60,000.
The Spot Bitcoin ETF lost $696.3 million, surpassing its monthly high of $519.2 million hit on June 2, according to data from SoSoValue.
The latest withdrawals bring total outflows in June to $3.61 billion, and year-to-date net outflows to $4.6 billion.

US Spot Bitcoin ETF monthly flows as of Friday. Source: SoSoValue
The ETF outflows coincide with signs that other major sources of institutional demand for Bitcoin are also slowing. Strategy, the world’s largest corporate Bitcoin holder, slowed its Bitcoin accumulation in June, sparking debate over whether the company should conserve cash during market downturns.
ETF assets are down 57% from their 2025 peak
Recent outflows and the roughly 50% drop in Bitcoin prices from their October peak have weighed on the sector, with the total net assets of U.S.-listed spot Bitcoin ETFs falling below $73 billion for the first time since late 2024.
According to SoSoValue, the total net asset value of U.S. Spot Bitcoin ETFs reached an all-time high of $169.5 billion in October 2025. As of Friday, that number was about $72.6 billion, down about 57%.

$BTC US Spot Bitcoin ETF holdings as of market close on Tuesday. sauce: wallet pilot
Separate data from WalletPilot shows the fund holds a total of $1.24 million. $BTC About 63,500 people as of Tuesday $BTC If you have left the product unattended within the past 30 days.
This strategy slowed June Bitcoin purchases to around 3,600 $BTC amidst criticism
Some analysts say the strategy should be paused. $BTC Buy cash and rebuild.
Sailors Strategy has purchased approximately 25,000 Bitcoins and approximately 3,600 Bitcoins so far in June. $BTC Over 50,000 people in May $BTC The announcement was made in April, according to a company filing.
This slowdown also included 32 net sales. $BTC Earlier this month, it was one of the few times the company sold Bitcoin during the accumulation period.
Strategy’s perpetual preferred stock STRC is under pressure, trading below its expected $100 level. STRC closed 6.37% lower at $75.69 on Thursday.

sauce: Julio Moreno
This move heightens the debate surrounding the strategy’s Bitcoin purchasing model. CryptoQuant analysts have expressed concerns about the company’s timing and risk management.
Meanwhile, Bitcoin supporter Samson Mo said that STRC has a “self-healing mechanism” that kicks in when it falls below the $100 threshold. He noted that the company has suspended new stock issuance through its ATM program at that level, which will limit new supply.

