A large, unidentified holder sold roughly $1.3 billion worth of BlackRock's spot Bitcoin ETF, IBIT, through a dark pool on Tuesday morning, in what ETF analysts described as an unusually large block trade. The sale stood out not only because of its size, but because the market appeared to digest it with little visible disruption.

Mystery Bitcoin Whale Dumps $1.3B In BlackRock's IBIT As Market Barely Blinks