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AON - Aon PLC

This page shows which of the focused investors we track hold AON and how their positions changed, so you can see how much conviction the group has in the stock.

In Q1 2026 it was held by 11 managers with an aggregate reported value of $4.36B, which is 0.40% of the combined portfolio.

As of Q1 2026, 11 tracked institutional managers held AON (Aon PLC) with an aggregate reported value of $4.36B0.40% of the combined AlphaBaseline portfolio.

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Source
Curated SEC 13F filings
Period
Q1 2026
Ticker
AON

13F data is delayed and excludes shorts/non-13F assets.

Holders

1Dodge & Cox - Dodge & Cox1.44%Add +3.4%8,116,095$2.62B
2Polen Capital Management - Polen Capital Management3.02%Reduce -26.7%1,354,053$437.06M
3William Von Mueffling - Cantillon Capital Management2.35%Reduce -11.9%1,095,574$353.63M
4Viking Global Investors - Viking Global Investors0.98%Add +38.7%1,087,114$350.9M
5Seth Klarman - Baupost Group 4.85%New769,000$248.22M
6First Pacific Advisors - First Pacific Advisors3.18%Add +7.1%703,258$227M
7Wallace Weitz - Weitz Investment Management4.82%Reduce -2.2%213,860$69.03M
8Thomas Gayner - Markel Asset Management0.37%Add +1.3%135,800$43.83M
9Jensen Investment Management - Jensen Investment Management0.16%Add +141.2%25,569$8.25M
10Yacktman Asset Management - Yacktman Asset Management0.06%-12,915$4.17M
11David Katz - Matrix Asset Advisors0.02%-648$209.16K
Loading holder history for AON