Ken Griffin's position in Aon plc. is currently worth $9.57 Million. That's 0.01% of their equity portfolio (1186th largest holding). The first Aon plc. trade was made in Q2 2020. Since then Ken Griffin bought shares nine more times and sold shares on eight occasions. The stake costed the investor $8.64 Million, netting the investor a gain of 11% so far.