AON Stock Ownership Activity

AON PLC-CLASS A 13F holders

9 value investing gurus have made changes to the AON PLC-CLASS A (AON) position according to the gurus' latest SEC quarterly report(s). AON has been bought (as a new position) by 2, completely sold out by 1 guru(s), the number of AON shares has been increased by 3, decreased by 3 super investor(s).

Which gurus or hedge funds are buying AON now?

According to the latest SEC filing(s) AON PLC-CLASS A (AON) has been bought by 5 gurus: Seth Klarman - Baupost Group (new buy), Nathaniel Simons - Meritage Group (new buy), Ole Andreas Halvorsen - Viking Global Investors (added shares +38.72%), Independent Franchise Partners - US Equity Fund (added shares +29.22%) and Eric H. Schoenstein - Jensen Investment Management (added shares +141.15%).

To see more about who is investing in AON PLC-CLASS A (AON), please go to the AON ownership page.

2026 Q1 (9 results)
Nathaniel Simons
buy
+680,169
+8.28%
8.28%
Seth Klarman
buy
+769,000
+4.85%
4.85%
Eric H. Schoenstein
+141.15%
+14,966
+0.10%
0.16%
Ole Andreas Halvorsen
+38.72%
+303,464
+0.27%
0.98%
Independent Franchise Partners
+29.22%
+48,323
+1.05%
4.67%
William Von Mueffling
-11.86%
-147,444
-0.32%
2.35%
David M. Polen
-26.66%
-492,241
-1.10%
3.02%
Ravenel Boykin Curry IV
-79.58%
-1,806,064
-1.95%
0.50%
Warren Buffett
-100.00%
-3,602,995
-0.48%
0.00%
Current price: $315.60 2.22% AVG reported price*: $322.78
2025 Q4 (8 results)
V. D. Dodge, E. M. Cox
+104.83%
+1,885,500
+0.56%
1.10%
Eric H. Schoenstein
+4.98%
+503
+0.00%
0.06%
William Von Mueffling
+0.75%
+9,277
+0.02%
2.37%
Ravenel Boykin Curry IV
-0.65%
-14,737
-0.02%
2.49%
Independent Franchise Partners
-8.53%
-15,431
-0.35%
3.72%
Warren Buffett
-12.12%
-497,005
-0.06%
0.00%
David M. Polen
-25.86%
-643,873
-0.97%
2.78%
Ole Andreas Halvorsen
-44.60%
-630,968
-0.59%
0.73%
Current price: $315.60 10.56% AVG reported price*: $352.88
2025 Q3 (7 results)
Ole Andreas Halvorsen
buy
+1,414,618
+1.31%
1.31%
V. D. Dodge, E. M. Cox
buy
+1,798,700
+0.54%
0.54%
Independent Franchise Partners
+23.89%
+34,865
+0.76%
3.93%
Eric H. Schoenstein
+3.06%
+300
+0.00%
0.04%
Ravenel Boykin Curry IV
-0.00%
-108
-0.00%
2.59%
William Von Mueffling
-1.09%
-13,613
-0.03%
2.42%
David M. Polen
-9.30%
-255,460
-0.30%
2.88%
Current price: $315.60 11.49% AVG reported price*: $356.58
2025 Q2 (6 results)
Eric H. Schoenstein
+10.99%
+970
+0.00%
0.04%
Donald Yacktman
+10.67%
+1,245
+0.01%
0.06%
Independent Franchise Partners
+8.81%
+11,819
+0.29%
3.59%
William Von Mueffling
-2.82%
-36,194
-0.07%
2.57%
David M. Polen
-8.71%
-262,092
-0.29%
3.01%
Ravenel Boykin Curry IV
-12.93%
-339,230
-0.40%
2.69%
Current price: $315.60 11.54% AVG reported price*: $356.76
2025 Q1 (7 results)
David M. Polen
+318.13%
+2,288,397
+2.87%
3.77%
Independent Franchise Partners
+24.28%
+26,203
+0.75%
3.84%
William Von Mueffling
-3.00%
-39,680
-0.10%
3.32%
Wallace Weitz
-30.61%
-37,500
-1.74%
3.95%
Ravenel Boykin Curry IV
-34.14%
-1,360,067
-1.98%
3.82%
Nathaniel Simons
-100.00%
-996,211
-9.83%
0.00%
Ole Andreas Halvorsen
-100.00%
-720,364
-0.82%
0.00%
Current price: $315.60 20.92% AVG reported price*: $399.09
2024 Q4 (6 results)
Ole Andreas Halvorsen
+27.94%
+157,337
+0.18%
0.00%
Eric H. Schoenstein
+0.80%
+70
+0.00%
0.03%
William Von Mueffling
+0.53%
+7,010
+0.02%
2.87%
Ravenel Boykin Curry IV
-0.07%
-2,692
-0.00%
5.22%
David M. Polen
-7.95%
-62,167
-0.06%
0.70%
Independent Franchise Partners
-56.63%
-140,889
-4.60%
3.53%
Current price: $315.60 12.13% AVG reported price*: $359.16
2024 Q3 (6 results)
Ole Andreas Halvorsen
buy
+563,027
+0.71%
0.71%
William Von Mueffling
+15.63%
+177,956
+0.38%
2.78%
Ravenel Boykin Curry IV
-0.37%
-14,884
-0.02%
5.12%
David M. Polen
-4.93%
-40,552
-0.04%
0.70%
Nathaniel Simons
-8.78%
-95,837
-0.77%
8.05%
Independent Franchise Partners
-20.01%
-62,236
-1.10%
4.39%
Current price: $315.60 8.78% AVG reported price*: $345.99
49 of 166

Shares, change to shares, sold shares - split-adjusted.

Reported price - this doesn't represent the actual buy or sell price.
It is the split-adjusted price of the security as of the last day of the reported period.

Value or Price - If the security is completely sold out, we show the reported value (or price) prior to the actual period.