[Ark Invest Increased Holdings of $10.2 Million in Robinhood Stock and $14 Million in SpaceX Stock Yesterday] According to The Block, Cathie Wood's Ark Invest sold 97,325 shares of Robinhood (HOOD) stock on Wednesday, valued at approximately $10.2 million; purchased 121,384 shares of SpaceX (SPCX) stock, valued at approximately $14 million; and also bought approximately $507,000 worth of Securitize (SECZ) stock.