An unidentified trader sold a single block of iShares Bitcoin Trust (IBIT) shares worth approximately $1.3 billion on Tuesday morning [2].

This transaction represents a massive shift in liquidity for one of the largest Bitcoin exchange-traded funds. Because the trade occurred in a dark pool, it avoided the immediate price volatility that typically follows a public sale of this magnitude.

The sale took place at 10:30:34 AM [1]. The trader offloaded 29.2 million shares [1] at a price of $43.16 per share [1]. While some reports round the total value to $1.3 billion [2], the precise transaction value was approximately $1.289 billion [1].

To avoid alerting the open market, the trade was executed off-exchange. The transaction passed through a dark pool, specifically utilizing FINRA’s Trade Reporting Facility (TRF) located in Carteret [1]. Dark pools allow institutional investors to hide their intentions and execute large orders without causing a sudden price drop, a common risk when selling millions of shares.

Market analysts said the move was not a bet against the future of Bitcoin. Instead, the trader's strategy appears to be focused on raising liquid cash to pay down existing debt [2]. This indicates the sale was driven by the seller's balance sheet requirements rather than a loss of confidence in the underlying asset.

BlackRock's IBIT remains a primary vehicle for institutional Bitcoin exposure in the U.S. The ability to move over $1 billion in a single clip underscores the growing maturity of the Bitcoin ETF market and the reliance of high-net-worth traders on private reporting facilities to manage large positions.

An unidentified trader sold a single block of iShares Bitcoin Trust (IBIT) shares worth approximately $1.3 billion

The use of a dark pool for a $1.3 billion transaction highlights the institutionalization of Bitcoin. By utilizing the FINRA TRF, the seller prevented a potential 'flash crash' in the IBIT share price that would have occurred on a public exchange. This event suggests that large-scale holders are now treating Bitcoin ETFs as liquid collateral that can be liquidated rapidly to cover traditional financial obligations, such as debt repayment, without disrupting the broader market.