Ken Griffin acquired 4 Million Robinhood Markets shares worth $216 Million. That's 0.22% of their equity portfolio (93rd largest holding). The investor owns 1.07% of the outstanding Robinhood Markets stock. The first Robinhood Markets trade was made in Q4 2021. Since then Ken Griffin bought shares seven more times and sold shares on five occasions. The stake costed the investor $60.3 Million, netting the investor a gain of 259% so far.