Jim Simons's position in Aon plc. is currently worth $40.3 Million. That's 0.06% of their equity portfolio (363rd largest holding). The first Aon plc. trade was made in Q2 2020. Since then Jim Simons bought shares six more times and sold shares on six occasions. The investor's estimated purchase price is $41.4 Million, resulting in a loss of 2.8%.