Aon PLC Schedule 13G passive stakes

Filed when an investor crosses five percent without intending to seek control — the passive counterpart to a 13D.

NYSE
JPMorgan Chase & Co. has filed a Schedule 13G, reporting beneficial ownership of 5.6% of Aon plc's Class A Ordinary Shares as of June 30, 2026.
NYSE
Vanguard Capital Management has reported beneficial ownership of 15,687,441 shares, representing 7.32% of Aon PLC's common stock as of March 31, 2026.
NYSE
The Vanguard Group filed an amended Schedule 13G for Aon PLC, reporting 0% beneficial ownership following an internal realignment that disaggregated reporting responsibilities.
NYSE
Massachusetts Financial Services Company has filed an amended Schedule 13G, reporting a 4.6% beneficial ownership stake in AON PLC's Class A Ordinary Shares as of March 31, 2025.