Ark Invest, led by Cathie Wood, has significantly increased its investments in cryptocurrency-related companies, acquiring substantial shares in Block, Circle, and Coinbase. On Tuesday, Ark Invest purchased $13.5 million in Block shares, $7.6 million in Circle shares, and $3.86 million in Coinbase shares through its ETFs, primarily the ARKK fund. Coinbase now ranks as the fourth-largest holding in the ARKK fund, valued at $391 million, or 5.22% of the portfolio. In addition to these acquisitions, Ark Invest also bolstered its positions in Bullish, Robinhood Markets, and its own Ark-21Shares spot Bitcoin ETF, with purchases of $1.52 million, $878,794, and $2.8 million, respectively. These strategic moves underscore Ark Invest's continued confidence in the growth potential of the cryptocurrency sector.