Ark Invest, led by Cathie Wood, has rebalanced its cryptocurrency-related stock portfolio, acquiring $17.8 million in Bullish stock while divesting $17.4 million in Coinbase stock. The investment firm purchased 716,030 shares of Bullish through three of its ETFs and sold 119,236 shares of Coinbase. On the day of the transactions, Bullish's stock price fell 8.5% to $24.90, and Coinbase's dropped 13.3% to $146.12, contributing to monthly declines of 39.6% and 41.7%, respectively.