Stock ownership
Aon plc
- Ticker
- AON
- CUSIP
- G0403H108
- Held by
- 6 funds
- Combined value
- $1,125,523,505
+% bought more, −% sold down — each fund's last-quarter move (change in share count).
| Fund | Quarter | Last quarter | Value | % of fund |
|---|---|---|---|---|
| Polen Capital Management position history | Q1 2026 | −27% | $437,061,344 | 3.02% |
| Viking Global Investors position history | Q1 2026 | +39% | $350,898,657 | 0.98% |
| Baupost Group position history | Q1 2026 | NEW | $248,218,000 | 4.85% |
| Markel Group position history | Q1 2026 | +1% | $43,833,524 | 0.37% |
| Central Securities position history | Q1 2026 | −20% | $25,822,400 | 2.13% |
| Tudor Investment Corp position history | Q1 2026 | NEW | $19,689,580 | 0.11% |