Ark Invest, led by Cathie Wood, has expanded its investment portfolio by acquiring additional shares in SpaceX and Block. The firm purchased 153,249 shares of SpaceX, valued at approximately $21.32 million, and 71,618 shares of Block, valued at around $5.63 million. This move reflects Ark Invest's continued confidence in these companies, with a total investment increase of $26.95 million.