ARK Invest's Cathie Wood buys $45 million of Robinhood shares despite brokerage's lackluster debut

Baiju Bhatt and Vlad Tenev pose in Times Square on Robinhood Markets IPO Listing Day on July 29, 2021 in New York City.
Cindy Ord | Getty Images

ARK Invest' Cathie Wood scooped up shares of retail investing disruptor Robinhood during its disappointing Nasdaq debut Thursday.