Blackrock has made several large purchases, buying 477 BTC and 1250 BTC in just 48 hours, totaling ~$150M.Blackrock's holdings are 5 times higher than their closest competitor Fidelity, with 575,811 BTC vs. 196,933 BTC.Blackrock is being more aggressive in buying Bitcoin, even during dips, while other competitors exhibit recent declines.Blackrock is expanding and maintaining dominance in the financial and crypto landscape.