As a crypto investor, I saw some interesting activity with the BlackRock Bitcoin ETF, IBIT, yesterday. Apparently, a big player – we don’t know exactly who – sold around $1.3 billion worth of shares through a private sale. What’s really notable is that even though it was a huge trade, the market barely reacted. Usually, something like that would cause a ripple, but it was absorbed pretty smoothly, which is a bit unusual and honestly, a good sign for the ETF’s stability.
BlackRock Bitcoin ETF Handles $1.3B Block Sale
Alex Thorn, a leading researcher at Galaxy, noticed a large transaction today – a $1.289 billion sale of IBIT shares. He reported on X that the sale happened through a dark pool at 10:30 am, and called it the biggest trade of its kind he’s ever witnessed. He’s currently verifying if it’s the largest in IBIT’s history.
Bloomberg ETF analyst Eric Balchunas confirmed a large trade of BlackRock’s IBIT ETF: 29 million shares worth $1.3 billion were traded this morning at 10:30 AM. He noted this trade significantly exceeded the typical volume for the day, but the market handled it without impacting the price.

James Seyffart, an ETF analyst at Bloomberg, confirmed seeing a large sale of IBIT shares on his trading terminal. He stated it was a “massive block sale” totaling 29.2 million shares.
Spot Bitcoin ETF Continue To Bleed
As an analyst, I’ve been tracking a recent shift in US Bitcoin ETF flows. We saw a notable reversal last week, specifically from May 18th to 22nd, with outflows totaling $1.257 billion. The iShares IBIT fund accounted for the vast majority of this, experiencing $1.008 billion in outflows. Fidelity’s FBTC also contributed with $112 million in outflows. Despite this week’s activity, total net assets for spot Bitcoin ETFs still stand at a healthy $98.87 billion, and overall inflows since launch remain positive at $57.08 billion.
The market experienced another down week, with a total of $1.039 billion flowing out of various funds between May 11th and 15th. This reversed six weeks of consistent gains. ARKB saw the largest withdrawals at $324 million, followed by IBIT at $317 million. Total assets in spot Bitcoin ETFs at that time were $104.29 billion.
Recent data indicates continued selling pressure on US spot Bitcoin ETFs. SoSoValue reports net outflows of $70.47 million on May 20th, continuing a four-day trend. This was followed by $101 million in outflows on May 21st and $105 million on May 22nd, marking the sixth day in a row of net selling.
Michael Nadeau from The DeFi Report connected this sale to recent large withdrawals of funds, noting that over the past few weeks, $2.5 billion had flowed out of the market. He observed that despite this, the Exchange Traded Funds (ETFs) have performed surprisingly well, leading some to believe the market may have hit its lowest point.
He also offered a more careful assessment of the overall economic situation, noting that institutions seem increasingly worried about their investments as inflation and interest rates go up.
At press time, BTC traded at $75,730.

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2026-05-27 15:43