State Of Wisconsin Investment Board / AON
State Of Wisconsin Investment Board’s Aon PLC Position
Does State Of Wisconsin Investment Board own Aon PLC (AON)? Yes — 111.3K shares worth $36M (+0.08% of its 13F portfolio) as of Q1 2026, up from 108.3K shares the prior filed quarter.
Position Value
$36M
Q1 2026
Shares
111.3K
% of Portfolio
+0.08%
Quarters Held
24
currently held
Position History AON
Reported value by quarter
| Quarter | Shares | Value | % of Portfolio |
|---|---|---|---|
| Q1 2026 | 111.3K | $36M | +0.08% |
| Q4 2025 | 108.3K | $38M | +0.09% |
| Q3 2025 | 109.4K | $39M | +0.09% |
| Q2 2025 | 105.7K | $38M | +0.09% |
| Q1 2025 | 111.3K | $44M | +0.11% |
| Q4 2024 | 107.6K | $39M | +0.10% |
| Q3 2024 | 111.8K | $39M | +0.10% |
| Q2 2024 | 107.0K | $31M | +0.08% |
| Q1 2024 | 108.4K | $36M | +0.10% |
| Q4 2023 | 118.9K | $35M | +0.10% |
| Q3 2023 | 108.7K | $35M | +0.11% |
| Q2 2023 | 111.6K | $39M | +0.11% |
| Q1 2023 | 131.5K | $41M | +0.12% |
| Q4 2022 | 112.6K | $34M | +0.11% |
| Q3 2022 | 126.0K | $34M | +0.11% |
| Q2 2022 | 154.0K | $42M | +0.11% |
| Q1 2022 | 160.1K | $52M | +0.11% |
| Q4 2021 | 249.0K | $75M | +0.14% |
| Q3 2021 | 252.2K | $72M | +0.15% |
| Q2 2021 | 449.1K | $107M | +0.22% |
| Q1 2021 | 625.3K | $144M | +0.31% |
| Q4 2020 | 668.9K | $141M | +0.33% |
| Q3 2020 | 679.3K | $140M | +0.35% |
| Q2 2020 | 773.2K | $149M | +0.41% |
Common-stock position only; options are excluded. Quarters where the fund filed no 13F or reported no position are absent. See State Of Wisconsin Investment Board’s full portfolio or all institutional holders of AON.