Ken Griffin's position in Aon plc. is currently worth $8.85 Million. That's 0.01% of their equity portfolio (1315th largest holding). The first Aon plc. trade was made in Q2 2020. Since then Ken Griffin bought shares three more times and sold shares on three occasions. The stake costed the investor $6.19 Million, netting the investor a gain of 43% so far.