Joel Greenblatt acquired 14 Thousand Aon plc. shares worth $3.83 Million. That's 0.13% of their equity portfolio (183rd largest holding). The first Aon plc. trade was made in Q2 2020. Since then Joel Greenblatt bought shares three more times and sold shares on four occasions. The stake costed the investor $3.09 Million, netting the investor a gain of 24% so far.