BlackRock has significantly increased its Bitcoin holdings, purchasing $500 million worth of the cryptocurrency over the past five days. This aggressive buying spree has been executed without any sales of Bitcoin, highlighting the firm's strong bullish stance on the digital asset. Market observers are now speculating whether BlackRock will continue this buying trend and reach a total of $1 billion in Bitcoin acquisitions by the end of the week. This move underscores the growing institutional interest in Bitcoin as a key asset in diversified portfolios.