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Aon-A (AON)
NYSE
$355.15+$0.04 (+0.01%)
Price as of Aug 21, 2026 7:30 PM EDT- $75.3BMarket Cap
- -4.45%1-Year Change
- Insurance BrokersIndustry
Aon-A (AON)
$355.15+$0.04 (+0.01%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
VANGUARD GROUP INC | 9.51% | 20.2M | +191,658 (+0.95%) | Dec 31, 2025 |
BLACKROCK, INC. | 7.41% | 15.7M | -432,078 (-2.75%) | Jun 30, 2026 |
BLACKROCK INC. | 7.20% | 15.3M | +781,417 (+5.12%) | Jun 30, 2024 |
BLACKROCK FUNDING, INC. /DE | 6.96% | 14.8M | +501,175 (+3.40%) | Dec 31, 2024 |
VANGUARD CAPITAL MANAGEMENT LLC | 6.41% | 13.6M | +21,709 (+0.16%) | Jun 30, 2026 |
JPMORGAN CHASE & CO | 5.74% | 12.2M | +6.5M (+53.67%) | Jun 30, 2026 |
CAPITAL WORLD INVESTORS | 5.52% | 11.7M | +233,862 (+2.00%) | Jun 30, 2026 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
JANUS INVESTMENT FUND | 21.32% | 45.2M | 0 (0.00%) | Mar 31, 2026 |
LORD ABBETT INVESTMENT TRUST | 9.92% | 21.0M | 0 (0.00%) | May 31, 2026 |
METROPOLITAN WEST FUNDS | 8.97% | 19.0M | 0 (0.00%) | Mar 31, 2026 |
JANUS ASPEN SERIES | 7.43% | 15.8M | 0 (0.00%) | Mar 31, 2026 |
VANGUARD INDEX FUNDS | 6.62% | 14.0M | +77,443 (+0.55%) | Mar 31, 2026 |
MML Series Investment Fund II | 5.66% | 12.0M | 0 (0.00%) | Mar 31, 2026 |
TRANSAMERICA FUNDS | 5.14% | 10.9M | 0 (0.00%) | Apr 30, 2026 |
Current Ownership Distribution
- Institutions3.5B (55.50%)
- Mutual Funds2.8B (44.16%)
- Insiders21.2M (0.34%)
- Other0 (0.00%)
Insider Transactions
- 0.34% (21.2M)Current InsiderOwnership (%, shares)
- 1Number of InsiderBuying (last 12 months)
- $44.4MAmount of InsiderBuying (last 12 months)
- 1Number of InsiderSelling (last 12 months)
- $38.4MAmount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
Zeidel Darren General Counsel | Sell | Jul 28, 2026 | $263,200.00 | 700 | $376.00 | 12,704 |
Zeidel Darren General Counsel | Sell | Jul 28, 2026 | $274,050.00 | 725 | $378.00 | 11,979 |
Zeidel Darren General Counsel | Sell | Jul 28, 2026 | $180,500.00 | 475 | $380.00 | 11,504 |
Zeidel Darren General Counsel | Sell | Jul 07, 2026 | $216,000.00 | 600 | $360.00 | 15,354 |
Reese Edmund Chief Financial Officer | Exempt | Jul 01, 2026 | $0.00 | 3,975 | $0.00 | 3,975 |
Reese Edmund Chief Financial Officer | Exempt | Jul 01, 2026 | $0.00 | 3,975 | $0.00 | 6,099 |
Reese Edmund Chief Financial Officer | In Kind | Jul 01, 2026 | $755,183.36 | 2,198 | $343.56 | 3,901 |
Spruell Byron | Award | Jun 25, 2026 | $0.00 | 776 | $0.00 | 6,563 |
STAVRIDIS JAMES G. | Award | Jun 25, 2026 | $0.00 | 776 | $0.00 | 1,564 |
FRANCIS CHERYL A | Award | Jun 25, 2026 | $0.00 | 776 | $0.00 | 29,480 |
CAMPBELL JEFFREY C | Award | Jun 25, 2026 | $0.00 | 776 | $0.00 | 12,807 |
Jenkins Jo Ann | Award | Jun 25, 2026 | $0.00 | 776 | $0.00 | 1,060 |
SMITH SARAH G | Award | Jun 25, 2026 | $0.00 | 776 | $0.00 | 2,300 |
Karaboutis Adriana | Award | Jun 25, 2026 | $0.00 | 776 | $0.00 | 2,792 |
CAMPBELL JEFFREY C | In Kind | Jun 25, 2026 | $58,840.95 | 186 | $315.95 | 12,621 |
Alvarez Jose Antonio | Award | Jun 25, 2026 | $0.00 | 776 | $0.00 | 1,643 |
STAVRIDIS JAMES G. | In Kind | Jun 25, 2026 | $58,840.95 | 186 | $315.95 | 1,377 |
FRANCIS CHERYL A | In Kind | Jun 25, 2026 | $58,840.95 | 186 | $315.95 | 29,294 |
KNIGHT LESTER B | Award | Jun 25, 2026 | $0.00 | 1,488 | $0.00 | 5,227 |
Jenkins Jo Ann | In Kind | Jun 25, 2026 | $58,840.95 | 186 | $315.95 | 874 |
Cai Jin-Yong | Award | Jun 25, 2026 | $0.00 | 776 | $0.00 | 8,241 |
Karaboutis Adriana | In Kind | Jun 25, 2026 | $58,840.95 | 186 | $315.95 | 2,606 |
SMITH SARAH G | In Kind | Jun 25, 2026 | $58,840.95 | 186 | $315.95 | 2,114 |
Spruell Byron | In Kind | Jun 25, 2026 | $58,840.95 | 186 | $315.95 | 6,377 |
Cai Jin-Yong | In Kind | Jun 25, 2026 | $125,281.76 | 397 | $315.95 | 7,845 |
Alvarez Jose Antonio | In Kind | Jun 25, 2026 | $117,681.58 | 372 | $315.95 | 1,270 |
SANTONA GLORIA | Award | Jun 25, 2026 | $0.00 | 776 | $0.00 | 22,648 |
NOTEBAERT RICHARD C | Award | Jun 25, 2026 | $0.00 | 776 | $0.00 | 28,514 |
SANTONA GLORIA | In Kind | Jun 25, 2026 | $58,840.95 | 186 | $315.95 | 22,462 |
NOTEBAERT RICHARD C | In Kind | Jun 25, 2026 | $58,840.95 | 186 | $315.95 | 28,328 |