AON
Aon plc · Financial Services · Insurance - Brokers
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2024
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 4 | 0 | 248.25K | $67.60M | n/a | −1 |
| Q2 2026 | 162 | -3 | 151.48M | $50.22B | +5 | −9 |
| Q1 2026 | 169 | -3 | 143.04M | $46.23B | +6 | −10 |
| Q4 2025 | 171 | 0 | 150.30M | $53.02B | +1 | n/a |
| Q3 2025 | 29 | +4 | 89.97M | $32.08B | +4 | −1 |
| Q2 2025 | 23 | +1 | 74.26M | $26.49B | +3 | −2 |
| Q1 2025 | 19 | 0 | 35.58M | $14.19B | +2 | −2 |
| Q4 2024 | 19 | +1 | 34.32M | $12.32B | +2 | −1 |
| Q3 2024 | 17 | 0 | 24.43M | $8.45B | +1 | −1 |
| Q2 2024 | 17 | n/a | 24.02M | $7.05B | n/a | n/a |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Capital World Investors ✦ | 12.04M | n/a | $3.53B | 0.6% | n/c | 1 | SEC ↗ |
| 2 | Geode Capital Management ✦ (passive) | 4.28M | n/a | $1.25B | 0.1% | n/c | 1 | SEC ↗ ×2 |
| 3 | Berkshire Hathaway ✦ | 4.10M | n/a | $1.20B | 0.4% | n/c | 1 | SEC ↗ ×3 |
| 4 | Norges Bank ✦ (passive) | 1.97M | n/a | $579.75M | 0.1% | n/c | 1 | SEC ↗ |
| 5 | T. Rowe Price ✦ | 731.52K | n/a | $214.76M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 6 | Millennium Management ✦ | 239.69K | n/a | $70.37M | 0.1% | n/c | 1 | SEC ↗ |
| 7 | Citadel Advisors ✦ | 147.94K | n/a | $43.43M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 8 | D. E. Shaw & Co. ✦ | 122.37K | n/a | $35.93M | 0.1% | n/c | 1 | SEC ↗ ×2 |
| 9 | Markel Group ✦ | 113.95K | n/a | $33.45M | 0.3% | n/c | 1 | SEC ↗ ×2 |
| 10 | Renaissance Technologies ✦ | 78.00K | n/a | $22.90M | 0.0% | n/c | 1 | SEC ↗ |
| 11 | AQR Capital Management ✦ | 55.79K | n/a | $16.31M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 12 | Bridgewater Associates ✦ | 50.49K | n/a | $14.82M | 0.1% | n/c | 1 | SEC ↗ |
| 13 | Adage Capital Partners ✦ | 28.57K | n/a | $8.39M | 0.0% | n/c | 1 | SEC ↗ |
| 14 | Two Sigma Investments ✦ | 23.38K | n/a | $6.86M | 0.0% | n/c | 1 | SEC ↗ |
| 15 | Gotham Asset Management ✦ | 15.80K | n/a | $4.64M | 0.1% | n/c | 1 | SEC ↗ |
| 16 | Marshall Wace ✦ | 14.51K | n/a | $4.26M | 0.0% | n/c | 1 | SEC ↗ |
| 17 | Wellington Management ✦ | 1.23K | n/a | $360,222 | 0.0% | n/c | 1 | SEC ↗ ×2 |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 1,241 holders, 181.94M shares, $57.21B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold: shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
Director · 1.74K sh @ 325.63 · $566,271
Director · 5.10K sh @ 326.53 · $1.66M
Director · 7.21K sh @ 327.52 · $2.36M
Director · 4.14K sh @ 328.34 · $1.36M
Director · 1.44K sh @ 329.69 · $474,754
Director · 367 sh @ 330.51 · $121,297
Open-market sales (S)
No open-market insider sales in our coverage window.
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology