Ark Invest, led by Cathie Wood, has acquired 217,896 shares of Circle, valued at approximately $13.7 million, as Circle's stock fell 1.65% to $63.01. Concurrently, Ark Invest sold 85,319 shares of Robinhood, worth about $9.8 million, while Robinhood's stock rose 1.39% to $115.11.