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AON Insider Trading

Insider Ownership Percentage: 1.00%
Insider Buying (Last 12 Months): $7,826,560.00
Insider Selling (Last 12 Months): $3,301,223.10

AON Insider Trading History Chart

This chart shows the insider buying and selling history at AON by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

AON Share Price & Price History

Current Price: $336.27
Price Change: ▲ Price Increase of +0.499 (0.15%)
As of 11/10/2026 03:59 PM ET

This chart shows the closing price history over time for AON up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365

AON Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
9/2/2026Lester B. KnightDirectorBuy20,000$327.48$6,549,600.00163,000View SEC Filing Icon  
7/28/2026Darren ZeidelGeneral CounselSell1,900$377.76$717,744.0011,504View SEC Filing Icon  
7/17/2026Darren ZeidelGeneral CounselSell1,950$372.05$725,497.5013,404View SEC Filing Icon  
7/7/2026Darren ZeidelGeneral CounselSell600$360.00$216,000.0015,354View SEC Filing Icon  
2/17/2026Darren ZeidelGeneral CounselSell5,040$325.79$1,641,981.6020,254View SEC Filing Icon  
2/10/2026Lester B. KnightDirectorBuy4,000$319.24$1,276,960.00143,000View SEC Filing Icon  
11/27/2024Mindy F. SimonCOOSell650$394.34$256,321.001,816View SEC Filing Icon  
11/26/2024Lisa StevensInsiderSell1,275$387.68$494,292.008,077View SEC Filing Icon  
5/3/2024Lester B. KnightDirectorBuy10,000$276.61$2,766,100.00139,000View SEC Filing Icon  
2/23/2024Lisa StevensInsiderSell13,000$315.26$4,098,380.0010,073View SEC Filing Icon  
2/16/2024Christa DaviesCFOSell40,164$313.29$12,582,979.56159,570View SEC Filing Icon  
2/15/2024Michael NellerInsiderSell750$312.00$234,000.003,869View SEC Filing Icon  
2/12/2024Christa DaviesCFOSell20,618$311.40$6,420,445.20159,570View SEC Filing Icon  
2/7/2024Lester B. KnightDirectorBuy50,000$301.97$15,098,500.00134,000View SEC Filing Icon  
See Full Table

SEC Filings (Institutional Ownership Changes) for AON (NYSE:AON)

86.14% of AON stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at AON by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

AON Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
11/11/2026Private Advisor Group LLC297,952$82.46M0.3%+4,777.3%0.140%Search for SEC Filing on Google Icon
11/11/2026Ieq Capital LLC340,258$94.17M0.4%+235.4%0.160%Search for SEC Filing on Google Icon
11/11/2026Focus Advisor Solutions LLC12,815$3.55M0.0%+184.6%0.006%Search for SEC Filing on Google Icon
11/11/2026Checchi Capital Advisers LLC8,413$2.33M0.1%+303.7%0.004%Search for SEC Filing on Google Icon
11/11/2026Boston Partners14,681,614$4.06B3.5%+602.5%6.920%Search for SEC Filing on Google Icon
11/10/2026OneAscent Financial Services LLC3,627$1M0.1%N/A0.002%Search for SEC Filing on Google Icon
11/10/2026Meeder Asset Management Inc.763$0.21M0.0%+1,489.6%0.000%Search for SEC Filing on Google Icon
11/10/2026TD Capital Management LLC685$0.19M0.0%+4,181.3%0.000%Search for SEC Filing on Google Icon
11/10/2026Voya Investment Management LLC31,504$8.72M0.0%-71.7%0.015%Search for SEC Filing on Google Icon
11/10/2026Public Sector Pension Investment Board60,274$16.59M0.0%-1.2%0.028%Search for SEC Filing on Google Icon
11/10/2026Global Retirement Partners LLC2,587$0.72M0.0%-8.0%0.001%Search for SEC Filing on Google Icon
11/10/2026Garrison Point Advisors LLC4,750$1.32M0.5%+530.8%0.002%Search for SEC Filing on Google Icon
11/10/2026Sompo Asset Management Co. Ltd.2,762$0.76M0.1%-5.1%0.001%Search for SEC Filing on Google Icon
11/10/2026Cibc World Market Inc.1,101,266$304.80M0.5%+3,062.3%0.519%Search for SEC Filing on Google Icon
11/10/2026Edgestream Partners L.P.15,703$4.35M0.1%N/A0.007%Search for SEC Filing on Google Icon
11/10/2026Teachers Retirement System of The State of Kentucky369,031$102.14M0.7%+2,077.6%0.174%Search for SEC Filing on Google Icon
11/10/2026HighTower Advisors LLC852,402$235.92M0.2%+2,594.5%0.402%Search for SEC Filing on Google Icon
11/9/2026Intech Investment Management LLC102,518$28.37M0.3%+105.9%0.048%Search for SEC Filing on Google Icon
11/9/2026West Family Investments Inc.7,746$2.14M0.5%+262.6%0.004%Search for SEC Filing on Google Icon
11/9/2026Hantz Financial Services Inc.94,907$26.27M0.4%+546.8%0.045%Search for SEC Filing on Google Icon
11/9/2026IFG Advisory LLC3,344$0.93M0.0%+5,382.0%0.002%Search for SEC Filing on Google Icon
11/9/2026Act Two Investors LLC2,392$0.66M0.1%+5.1%0.001%Search for SEC Filing on Google Icon
11/9/2026Danske Bank A S130,234$36.05M0.1%-1.1%0.061%Search for SEC Filing on Google Icon
11/7/2026Mawer Investment Management Ltd.928,493$256.98M1.9%-20.8%0.438%Search for SEC Filing on Google Icon
11/6/2026Financial Freedom LLC492$0.14M0.1%N/A0.000%Search for SEC Filing on Google Icon
11/6/2026Aberdeen Group plc381,940$105.71M0.1%+135.5%0.180%Search for SEC Filing on Google Icon
11/6/2026ProVise Management Group LLC30,029$8.31M0.6%+4.0%0.014%Search for SEC Filing on Google Icon
11/6/2026Allworth Financial LP37,919$10.50M0.0%+553.9%0.018%Search for SEC Filing on Google Icon
11/6/2026Fisher Asset Management LLC54,440$15.07M0.0%+1,846.4%0.026%Search for SEC Filing on Google Icon
11/6/2026Eurizon Capital SGR S.p.A.545,769$151.05M0.4%+2,668.4%0.257%Search for SEC Filing on Google Icon
11/6/2026R Squared Ltd1,226$0.34M0.2%N/A0.001%Search for SEC Filing on Google Icon
11/6/2026CENTRAL TRUST Co7,587$2.10M0.0%+750.6%0.004%Search for SEC Filing on Google Icon
11/6/2026Fifth Third Bancorp545,959$151.11M0.2%+1,891.8%0.257%Search for SEC Filing on Google Icon
11/5/2026Maryland State Retirement & Pension System131,998$36.53M0.6%+1,074.6%0.062%Search for SEC Filing on Google Icon
11/5/2026Ritholtz Wealth Management38,903$10.77M0.2%+1,167.2%0.018%Search for SEC Filing on Google Icon
11/5/2026Joel Isaacson & Co. LLC20,128$5.57M0.2%+693.1%0.009%Search for SEC Filing on Google Icon
11/5/2026Valued Wealth Advisors LLC127$35K0.0%+693.8%0.000%Search for SEC Filing on Google Icon
11/5/2026Silver Grove Financial Group Inc.1,843$0.51M0.2%+1,073.9%0.001%Search for SEC Filing on Google Icon
11/5/2026Mesirow Financial Investment Management Inc.72,369$20.03M0.3%+1,389.4%0.034%Search for SEC Filing on Google Icon
11/5/2026Keybank National Association OH48,914$13.54M0.0%+582.5%0.023%Search for SEC Filing on Google Icon
11/4/202671 West Capital Partners32,486$8.99M0.3%+1,624.3%0.015%Search for SEC Filing on Google Icon
11/4/2026Alpha Family Trust3,800$1.05M0.5%+450.7%0.002%Search for SEC Filing on Google Icon
11/4/2026Vestor Capital LLC74,142$20.52M0.6%-64.8%0.035%Search for SEC Filing on Google Icon
11/4/2026Retirement Systems of Alabama1,384,829$383.28M1.1%+2,986.4%0.653%Search for SEC Filing on Google Icon
11/4/2026Allspring Global Investments Holdings LLC9,313$2.57M0.0%-5.4%0.004%Search for SEC Filing on Google Icon
11/4/2026StoneRidge PMG Advisors LLC16,977$4.70M3.2%N/A0.008%Search for SEC Filing on Google Icon
11/4/2026Beverly Hills Private Wealth LLC10,549$2.92M0.4%+256.7%0.005%Search for SEC Filing on Google Icon
11/4/2026Avion Wealth980$0.27M0.0%+3,061.3%0.000%Search for SEC Filing on Google Icon
11/4/2026Almanack Investment Partners LLC.9,803$2.71M0.2%+373.1%0.005%Search for SEC Filing on Google Icon
11/4/2026Brighton Jones LLC92,372$25.57M0.4%+754.3%0.044%Search for SEC Filing on Google Icon
11/3/2026Ethic Inc.277,061$76.68M0.9%+874.8%0.131%Search for SEC Filing on Google Icon
11/3/2026Buckhead Capital Management LLC11,804$3.27M1.0%-0.8%0.006%Search for SEC Filing on Google Icon
11/3/2026StoneX Group Inc.11,526$3.19M0.1%N/A0.005%Search for SEC Filing on Google Icon
11/3/2026Kornitzer Capital Management Inc. KS149,103$41.27M0.8%+272.3%0.070%Search for SEC Filing on Google Icon
11/3/2026Vestor Capital LLC214,619$59.40M2.2%+1.9%0.101%Search for SEC Filing on Google Icon
11/3/2026Pictet Asset Management Holding SA113,015$31.28M0.0%+25.0%0.053%Search for SEC Filing on Google Icon
11/3/2026Parallel Advisors LLC1,576$0.44M0.0%-12.3%0.001%Search for SEC Filing on Google Icon
11/3/2026Asset Dedication LLC1,026$0.28M0.0%+269.1%0.000%Search for SEC Filing on Google Icon
11/3/2026Ashton Thomas Private Wealth LLC83,494$23.11M0.5%+2,709.4%0.039%Search for SEC Filing on Google Icon
11/3/2026Heritage Family Offices LLP3,050$0.84M0.3%+376.6%0.001%Search for SEC Filing on Google Icon
11/3/2026Waldron Private Wealth LLC15,902$4.40M0.2%+1,049.8%0.007%Search for SEC Filing on Google Icon
11/2/2026Pekin Hardy Strauss Inc.130,759$36.19M3.1%+4,362.8%0.062%Search for SEC Filing on Google Icon
11/2/2026Westside Investment Management Inc.122,551$33.92M4.2%+170,109.7%0.058%Search for SEC Filing on Google Icon
11/2/2026Kestra Advisory Services LLC380,635$105.35M0.3%+754.4%0.179%Search for SEC Filing on Google Icon
11/2/2026REAP Financial Group LLC1,510$0.42M0.1%+128.1%0.001%Search for SEC Filing on Google Icon
11/2/2026Genesis Private Wealth LLC804$0.22M0.1%-13.4%0.000%Search for SEC Filing on Google Icon
11/2/2026Inscription Capital LLC4,529$1.25M0.1%+648.6%0.002%Search for SEC Filing on Google Icon
10/31/2026Chicago Partners Investment Group LLC1,478$0.45M0.0%-79.6%0.001%Search for SEC Filing on Google Icon
10/31/2026Ascent Group LLC6,855$1.90M0.1%+1.5%0.003%Search for SEC Filing on Google Icon
10/30/2026Focused Wealth Management Inc1,184$0.33M0.0%-11.1%0.001%Search for SEC Filing on Google Icon
10/30/2026Rakuten Investment Management Inc.37,474$10.34M0.0%N/A0.018%Search for SEC Filing on Google Icon
10/30/2026Provenance Wealth Advisors LLC4,754$1.32M0.1%+3,069.3%0.002%Search for SEC Filing on Google Icon
10/30/2026Oregon Public Employees Retirement Fund26,088$7.22M0.1%-0.7%0.012%Search for SEC Filing on Google Icon
10/30/2026Factory Mutual Insurance Co.33,600$9.30M0.1%-0.1%0.016%Search for SEC Filing on Google Icon
10/29/2026Sumitomo Mitsui Trust Group Inc.440,511$121.92M0.1%-2.8%0.208%Search for SEC Filing on Google Icon
10/29/2026Mirae Asset Global Investments Co. Ltd.54,832$15.18M0.0%N/A0.026%Search for SEC Filing on Google Icon
10/29/2026Aviance Capital Partners LLC753$0.21M0.0%N/A0.000%Search for SEC Filing on Google Icon
10/29/2026Profund Advisors LLC1,977$0.55M0.0%+10.4%0.001%Search for SEC Filing on Google Icon
10/29/2026ProShare Advisors LLC44,282$12.26M0.0%-1.2%0.021%Search for SEC Filing on Google Icon
10/29/2026Vise Technologies Inc.4,050$1.12M0.0%-18.1%0.002%Search for SEC Filing on Google Icon
10/29/2026MGO One Seven LLC3,538$0.98M0.0%-27.4%0.002%Search for SEC Filing on Google Icon
10/29/2026Americana Partners LLC9,482$2.62M0.1%+16.2%0.004%Search for SEC Filing on Google Icon
10/29/2026Modera Wealth Management LLC11,659$3.23M0.0%-10.6%0.005%Search for SEC Filing on Google Icon
10/29/2026State of Wyoming1,741$0.48M0.0%+21.2%0.001%Search for SEC Filing on Google Icon
10/28/2026CHICAGO TRUST Co NA1,793$0.50M0.1%-3.6%0.001%Search for SEC Filing on Google Icon
10/28/2026Choreo LLC6,583$1.82M0.0%-8.5%0.003%Search for SEC Filing on Google Icon
10/28/2026D.A. Davidson & CO.2,120$0.59M0.0%+8.7%0.001%Search for SEC Filing on Google Icon
10/28/2026Motley Fool Asset Management LLC24,907$6.89M0.3%-2.2%0.000%Search for SEC Filing on Google Icon
10/28/2026North Dakota State Investment Board6,374$1.76M0.1%+2.1%0.000%Search for SEC Filing on Google Icon
10/28/2026North Star Investment Management Corp.727$0.20M0.0%-7.7%0.000%Search for SEC Filing on Google Icon
10/28/2026VestGen Advisors LLC6,695$1.85M0.1%-17.1%0.000%Search for SEC Filing on Google Icon
10/27/2026Busey Bank8,988$2.49M0.1%-0.4%0.004%Search for SEC Filing on Google Icon
10/27/2026Generali Asset Management SPA SGR3,000$0.83M0.0%+94.7%0.001%Search for SEC Filing on Google Icon
10/27/2026Asset Management One Co. Ltd.94,776$26.23M0.1%+3.4%0.045%Search for SEC Filing on Google Icon
10/27/2026Latitude Advisors LLC454$0.13M0.0%N/A0.000%Search for SEC Filing on Google Icon
10/27/2026SYM FINANCIAL Corp1,890$0.52M0.0%-29.1%0.001%Search for SEC Filing on Google Icon
10/27/2026Ashton Thomas Securities LLC2,704$0.75M0.1%N/A0.001%Search for SEC Filing on Google Icon
10/26/2026Park Avenue Securities LLC2,261$0.63M0.0%-10.9%0.001%Search for SEC Filing on Google Icon
10/26/2026Verdence Capital Advisors LLC1,272$0.35M0.0%-74.1%0.001%Search for SEC Filing on Google Icon
10/24/2026Apollon Wealth Management LLC27,219$7.53M0.1%+118.4%0.013%Search for SEC Filing on Google Icon
Data available starting January 2016

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AON logo
Aon Plc engages in the provision of risk, health, and wealth solutions. It focuses on risk capital including claim management, reinsurance, risk analysis, management, retention, and transfer; and human capital involving analytics, health and benefits, investments, pensions and retirement, talent and rewards, and workplace wellbeing. The company was founded in 1982 and is headquartered in Dublin, Ireland.
Read More on AON

Today's Range

Now: $336.27
Low: $331.58
High: $337.85

50 Day Range

MA: $300.38
Low: $269.98
High: $344.87

52 Week Range

Now: $336.27
Low: $266.33
High: $382.34

Volume

579,977 shs

Average Volume

1,682,054 shs

Market Capitalization

$71.34 billion

P/E Ratio

18.15

Dividend Yield

0.98%

Beta

0.63

Who are the company insiders with the largest holdings of AON?

AON's top insider shareholders include:
  1. Gregory C Case (CEO)
  2. Gregory C Case (CEO)
  3. Christa Davies (CFO)
  4. Stephen P Mcgill (CEO)
  5. Lester B Knight (Director)
  6. Eric Andersen (President)
  7. Michael J O'connor (CEO)
  8. Gregory Besio (EVP)
  9. Eric Andersen (Insider)
  10. John G Bruno (COO)
Learn More about top insider investors at AON.

Who are the major institutional investors of AON?

AON's top institutional shareholders include:
  1. Robeco Institutional Asset Management B.V. — 1.90%
  2. Retirement Systems of Alabama — 0.65%
  3. Mawer Investment Management Ltd. — 0.44%
  4. Ninety One UK Ltd — 0.39%
  5. PineStone Asset Management Inc. — 0.35%
  6. Fifth Third Bancorp — 0.26%
Learn More about top institutional investors of AON stock.

Which institutional investors are selling AON stock?

In the last quarter, AON stock was sold by these institutional investors:
  1. Mawer Investment Management Ltd.
  2. Vestor Capital LLC
  3. Curated Wealth Partners LLC
  4. Obermeyer Wealth Partners
  5. Sustainable Growth Advisers LP
  6. PineStone Asset Management Inc.
  7. AMF Tjanstepension AB
  8. Ninety One North America Inc.

Which institutional investors are buying AON stock?

During the last quarter, AON stock was acquired by institutional investors including:
  1. Robeco Institutional Asset Management B.V.
  2. Retirement Systems of Alabama
  3. Ninety One UK Ltd
  4. Eurizon Capital SGR S.p.A.
  5. Fifth Third Bancorp
  6. Kestra Advisory Services LLC
  7. Evergreen Capital Management LLC
  8. Sumitomo Mitsui DS Asset Management Company Ltd

AON Active Insiders

Caroline Grace
Caroline Grace
CEO
Stephen P Mcgill
Stephen P Mcgill
CEO
John Zern
John Zern
CEO
Michael J O'connor
Michael J O'connor
CEO
Gregory C Case
Gregory C Case (Age 63)
CEO
Eric Andersen
Eric Andersen (Age 60)
President
John G Bruno
John G Bruno (Age 61)
COO
Mindy F Simon
Mindy F Simon
COO
Christa Davies
Christa Davies (Age 53)
CFO
Lester B Knight
Lester B Knight
Director
1 recent trades
J Michael Losh
J Michael Losh
Director
Byron Spruell
Byron Spruell
Director
Carolyn Y Woo
Carolyn Y Woo
Director
Darren Zeidel
Darren Zeidel (Age 54)
General Counsel
3 recent trades
Peter M Lieb
Peter M Lieb
General Counsel
Lisa Stevens
Lisa Stevens
EVP & Chief People Officer
Andy Weitz
Andy Weitz
Chief Marketing Officer
Michael Neller
Michael Neller (Age 47)
Insider