AON PLC SHS CL A is a security (CUSIP G0403H908) tracked across SEC portfolio filings. 4 institutional managers reported $33.7M on Form 13F as of 2026-06-30.
| Manager | Location | Value | Shares |
|---|---|---|---|
| IMC-Chicago, LLC | CHICAGO, IL | $21.2M | — |
| JPMORGAN CHASE & CO | NEW YORK, NY | $10.2M | — |
| SIMPLEX TRADING, LLC | CHICAGO, IL | $2.3M | — |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | BIRMINGHAM, AL | — | — |