AON
Aon Plc
11 of the 83 super-investors we track hold AON, worth a combined $3.90B per their latest 13F filings. The largest position: Wallace Weitz at 4.9% of their portfolio. This quarter the cohort logged 0 buys and 1 sell on the name. Conviction score: 36 of 100 (how strongly the cohort backs it) — ranked #173 of 742 stocks. Conviction easing: 1 fewer super-investor hold it than in 2026Q1.
Why super-investors own AON
AON is held by 11 super-investors in our cohort, with a combined position value of $3.9B. The highest-conviction owner is Wallace Weitz at 4.9% of their portfolio. Cohort ownership has shrunk from 13 to 11 over the last four quarters — net interest is fading. This quarter the cohort registered 1 exited.
AI-synthesized from 13F filings. Not investment advice.
Cohort owners over time
2020Q1 → 2026Q2How many of the cohort members held this stock each quarter.
Owners (11) · click any column to sort
| #↑ | Manager | % Port. | History | Value | Shares |
|---|---|---|---|---|---|
| 1 | Dodge & Cox Funds | 1.5% | 4q | $2.85B | 8,593,144 |
| 2 | Viking Global Investors | 1.1% | 14q | $382M | 1,151,269 |
| 3 | Seth Klarman | 4.2% | 2q | $228M | 687,000 |
| 4 | First Pacific Advisors | 2.8% | 25q | $226M | 681,367 |
| 5 | Wallace Weitz | 4.9% | 25q | $71M | 213,860 |
| 6 | Polen Capital Management | 0.5% | 24q | $54M | 164,035 |
| 7 | Thomas Gayner | 0.3% | 23q | $45M | 135,800 |
| 8 | Joel Greenblatt | <0.1% | 24q | $35M | 105,569 |
| 9 | Jensen Investment Management | 0.2% | 15q | $9M | 25,789 |
| 10 | Yacktman Asset Management | 0.1% | 10q | $4M | 12,915 |
| 11 | David Katz | <0.1% | 8q | $215K | 648 |
- 1Dodge & Cox Fundsport1.5%val$2.85B8,593,144 sh·4q held
- 2Viking Global Investorsport1.1%val$382M1,151,269 sh·14q held
- 3Seth Klarmanport4.2%val$228M687,000 sh·2q held
- 4First Pacific Advisorsport2.8%val$226M681,367 sh·25q held
- 5Wallace Weitzport4.9%val$71M213,860 sh·25q held
- 6Polen Capital Managementport0.5%val$54M164,035 sh·24q held
- 7Thomas Gaynerport0.3%val$45M135,800 sh·23q held
- 8Joel Greenblattport<0.1%val$35M105,569 sh·24q held
- 9Jensen Investment Managementport0.2%val$9M25,789 sh·15q held
- 10Yacktman Asset Managementport0.1%val$4M12,915 sh·10q held
- 11David Katzport<0.1%val$215K648 sh·8q held
Owners of AON also hold
Congress is trading AON
Congress tracker →- Thomas H. Kean Jrbought$1,001 - $15,000 · 2025-05-27
- Jefferson Shrevesold$15,001 - $50,000 · 2025-05-08
- Jefferson Shrevebought$15,001 - $50,000 · 2025-03-13
- Kathy Manningsold$15,001 - $50,000 · 2024-07-02
- Kathy Manningsold$1,001 - $15,000 · 2024-07-02
- Thomas H. Kean Jrbought$1,001 - $15,000 · 2024-05-06
STOCK Act periodic transaction reports; amounts are disclosed ranges. Who files late →
Recent activity (1)
| Manager | Move | % Port. | Δ Shares | Value | Filed |
|---|---|---|---|---|---|
| William Von Mueffling | EXIT | 2.4% | -100% | $0 | Jul 29, 2026 |
Long US equity 13F-HR filings only. CUSIP G0403H108. Not investment advice.