State of Wisconsin Investment Board’s Aon AON Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q2 | $36.2M | Sell |
108,992
-2,296
| -2% | -$741K | 0.07% | 232 |
|
|
2026
Q1 | $35.9M | Buy |
111,288
+3,029
| +3% | +$1.01M | 0.08% | 214 |
|
|
2025
Q4 | $38.2M | Sell |
108,259
-1,184
| -1% | -$413K | 0.09% | 193 |
|
|
2025
Q3 | $39M | Buy |
109,443
+3,737
| +4% | +$1.35M | 0.09% | 182 |
|
|
2025
Q2 | $37.7M | Sell |
105,706
-5,574
| -5% | -$2.02M | 0.09% | 187 |
|
|
2025
Q1 | $44.4M | Buy |
111,280
+3,645
| +3% | +$1.4M | 0.11% | 155 |
|
|
2024
Q4 | $38.7M | Sell |
107,635
-4,166
| -4% | -$1.53M | 0.1% | 177 |
|
|
2024
Q3 | $38.7M | Buy |
111,801
+4,801
| +4% | +$1.57M | 0.1% | 183 |
|
|
2024
Q2 | $31.4M | Sell |
107,000
-1,355
| -1% | -$401K | 0.08% | 207 |
|
|
2024
Q1 | $36.2M | Sell |
108,355
-10,511
| -9% | -$3.26M | 0.1% | 186 |
|
|
2023
Q4 | $34.6M | Buy |
118,866
+10,190
| +9% | +$3.26M | 0.1% | 183 |
|
|
2023
Q3 | $35.2M | Sell |
108,676
-2,878
| -3% | -$952K | 0.11% | 172 |
|
|
2023
Q2 | $38.5M | Sell |
111,554
-19,963
| -15% | -$6.48M | 0.11% | 182 |
|
|
2023
Q1 | $41.5M | Buy |
131,517
+18,926
| +17% | +$5.86M | 0.12% | 158 |
|
|
2022
Q4 | $33.8M | Sell |
112,591
-13,393
| -11% | -$3.91M | 0.11% | 188 |
|
|
2022
Q3 | $33.7M | Sell |
125,984
-28,034
| -18% | -$7.92M | 0.11% | 191 |
|
|
2022
Q2 | $41.5M | Sell |
154,018
-6,118
| -4% | -$1.76M | 0.11% | 182 |
|
|
2022
Q1 | $52.1M | Sell |
160,136
-88,900
| -36% | -$25.9M | 0.11% | 185 |
|
|
2021
Q4 | $74.8M | Sell |
249,036
-3,209
| -1% | -$962K | 0.14% | 153 |
|
|
2021
Q3 | $72.1M | Sell |
252,245
-196,878
| -44% | -$52.9M | 0.15% | 152 |
|
|
2021
Q2 | $107M | Sell |
449,123
-176,214
| -28% | -$43.1M | 0.22% | 97 |
|
|
2021
Q1 | $144M | Sell |
625,337
-43,562
| -7% | -$9.59M | 0.31% | 65 |
|
|
2020
Q4 | $141M | Sell |
668,899
-10,360
| -2% | -$2.12M | 0.33% | 55 |
|
|
2020
Q3 | $140M | Sell |
679,259
-93,971
| -12% | -$18.8M | 0.35% | 47 |
|
|
2020
Q2 | $149M | Sell |
773,230
-6,225
| -0.8% | -$1.16M | 0.41% | 41 |
|
|
2020
Q1 | $129M | Sell |
779,455
-19,946
| -2% | -$4.08M | 0.43% | 42 |
|
|
2019
Q4 | $167M | Sell |
799,401
-11,046
| -1% | -$2.19M | 0.42% | 44 |
|
|
2019
Q3 | $157M | Sell |
810,447
-33,808
| -4% | -$6.52M | 0.43% | 43 |
|
|
2019
Q2 | $163M | Buy |
844,255
+482,272
| +133% | +$87.4M | 0.45% | 42 |
|
|
2019
Q1 | $61.8M | Buy |
361,983
+26,467
| +8% | +$4.29M | 0.18% | 121 |
|
|
2018
Q4 | $48.8M | Buy |
335,516
+15,320
| +5% | +$2.38M | 0.16% | 132 |
|
|
2018
Q3 | $49.2M | Sell |
320,196
-21,518
| -6% | -$3.15M | 0.14% | 145 |
|
|
2018
Q2 | $46.9M | Sell |
341,714
-42,413
| -11% | -$5.98M | 0.13% | 158 |
|
|
2018
Q1 | $53.9M | Sell |
384,127
-38,942
| -9% | -$5.45M | 0.16% | 137 |
|
|
2017
Q4 | $56.7M | Sell |
423,069
-1,169
| -0.3% | -$166K | 0.16% | 145 |
|
|
2017
Q3 | $62M | Buy |
424,238
+16,139
| +4% | +$2.25M | 0.18% | 121 |
|
|
2017
Q2 | $54.3M | Buy |
408,099
+54,270
| +15% | +$6.86M | 0.18% | 124 |
|
|
2017
Q1 | $42M | Buy |
353,829
+32,989
| +10% | +$3.81M | 0.16% | 136 |
|
|
2016
Q4 | $35.8M | Sell |
320,840
-49,695
| -13% | -$5.54M | 0.15% | 144 |
|
|
2016
Q3 | $41.7M | Sell |
370,535
-6,900
| -2% | -$761K | 0.16% | 130 |
|
|
2016
Q2 | $41.2M | Sell |
377,435
-24,810
| -6% | -$2.62M | 0.17% | 133 |
|
|
2016
Q1 | $42M | Sell |
402,245
-8,380
| -2% | -$785K | 0.16% | 134 |
|
|
2015
Q4 | $37.9M | Sell |
410,625
-1,750
| -0.4% | -$163K | 0.15% | 147 |
|
|
2015
Q3 | $36.5M | Sell |
412,375
-5,820
| -1% | -$563K | 0.14% | 156 |
|
|
2015
Q2 | $41.7M | Buy |
418,195
+3,540
| +0.9% | +$354K | 0.15% | 158 |
|
|
2015
Q1 | $39.9M | Sell |
414,655
-28,640
| -6% | -$2.77M | 0.14% | 179 |
|
|
2014
Q4 | $42M | Buy |
443,295
+13,200
| +3% | +$1.18M | 0.14% | 168 |
|
|
2014
Q3 | $37.7M | Buy |
430,095
+91,470
| +27% | +$7.99M | 0.14% | 176 |
|
|
2014
Q2 | $30.5M | Buy |
338,625
+3,800
| +1% | +$329K | 0.11% | 217 |
|
|
2014
Q1 | $28.2M | Sell |
334,825
-9,760
| -3% | -$813K | 0.11% | 219 |
|
|
2013
Q4 | $28.9M | Sell |
344,585
-22,465
| -6% | -$1.78M | 0.11% | 214 |
|
|
2013
Q3 | $27.3M | Sell |
367,050
-96,725
| -21% | -$6.64M | 0.11% | 212 |
|
|
2013
Q2 | $29.8M | Buy |
+463,775
| New | +$29.4M | 0.12% | 190 |
|
Other funds holding AON
State of Wisconsin Investment Board's AON Position: Q2 2026 in Review
State of Wisconsin Investment Board reduced its Aon (AON) stake by 2.1% in Q2 2026, selling an estimated $741K and leaving 108,992 shares worth $36.2M. The position accounts for 0.07% of the portfolio, ranked #232.
State of Wisconsin Investment Board first reported a position in AON in Q2 2013 and has held it in 53 quarters since. The position peaked at $167M in Q4 2019. 1,255 funds tracked by Wall St. Rank hold AON as of Q2 2026.
- State of Wisconsin Investment Board held 108,992 shares of Aon worth $36.2M as of Q2 2026.
- State of Wisconsin Investment Board sold 2,296 Aon shares in Q2 2026, an estimated $741K.
- Aon made up 0.07% of State of Wisconsin Investment Board's portfolio in Q2 2026, its #232 holding.
- State of Wisconsin Investment Board first reported a position in Aon in Q2 2013 and has held it in 53 quarters since.
- State of Wisconsin Investment Board's Aon position peaked at $167M in Q4 2019.
- 1,255 funds tracked by Wall St. Rank held Aon as of Q2 2026.
Based on State of Wisconsin Investment Board's 13F filing for Q2 2026, filed 14 Aug 2026.