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AON Insider Trading

Insider Ownership Percentage: 1.10%
Insider Buying (Last 12 Months): $1,276,960.00
Insider Selling (Last 12 Months): $1,641,981.60

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: $313.48
Price Change: ▼ Price Decrease of -0.182 (-0.06%)
As of 03/27/2026 04:59 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
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  
8/23/2023Byron SpruellDirectorBuy800$324.57$259,656.004,001View SEC Filing Icon  
5/9/2023Eric AndersenPresidentSell7,500$335.55$2,516,625.00144,164View 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
3/20/2026Purpose Unlimited Inc.642$0.23M0.0%N/A0.000%Search for SEC Filing on Google Icon
3/19/2026Painted Porch Advisors LLC1,864$0.66M0.3%-14.1%0.001%Search for SEC Filing on Google Icon
3/17/2026Stance Capital LLC4,015$1.42M0.5%+11.1%0.002%Search for SEC Filing on Google Icon
3/17/2026Rockefeller Capital Management L.P.10,448$3.69M0.0%+9.7%0.005%Search for SEC Filing on Google Icon
3/13/2026World Investment Advisors3,264$1.15M0.0%-2.5%0.002%Search for SEC Filing on Google Icon
3/12/2026PEAK6 LLC1,104$0.39M0.0%-8.2%0.001%Search for SEC Filing on Google Icon
3/9/2026Corient Private Wealth LLC76,111$26.99M0.0%+5.1%0.036%Search for SEC Filing on Google Icon
3/6/2026Hsbc Holdings PLC190,679$67.70M0.0%+9.7%0.089%Search for SEC Filing on Google Icon
3/6/2026Redwood Family Wealth LLC860$0.30M0.3%N/A0.000%Search for SEC Filing on Google Icon
3/4/2026Pure Financial Advisors LLC11,272$3.98M0.1%+6.0%0.005%Search for SEC Filing on Google Icon
3/4/2026SHP Wealth Management1,143$0.40M0.0%N/A0.001%Search for SEC Filing on Google Icon
3/2/2026Reflection Asset Management203$72K0.1%N/A0.000%Search for SEC Filing on Google Icon
2/25/2026Tempo Wealth LLC621$0.22M0.0%N/A0.000%Search for SEC Filing on Google Icon
2/25/2026GFI Investment Counsel Ltd.167,162$58.99M6.3%-0.3%0.078%Search for SEC Filing on Google Icon
2/25/2026MidFirst Bank317$0.11M0.0%N/A0.000%Search for SEC Filing on Google Icon
2/24/2026Pacer Advisors Inc.19,504$6.88M0.0%+12.3%0.009%Search for SEC Filing on Google Icon
2/23/2026Kera Capital Partners Inc.1,068$0.37M0.0%N/A0.000%Search for SEC Filing on Google Icon
2/23/2026Virtu Financial LLC5,666$2M0.1%+33.7%0.003%Search for SEC Filing on Google Icon
2/23/2026MV Capital Management Inc.9,513$3.36M0.3%N/A0.004%Search for SEC Filing on Google Icon
2/20/2026Cambient Family Office LLC1,149$0.41M0.1%N/A0.001%Search for SEC Filing on Google Icon
2/20/2026Kovitz Investment Group Partners LLC3,724$1.31M0.0%-99.0%0.002%Search for SEC Filing on Google Icon
2/19/2026T. Rowe Price Investment Management Inc.7,969$2.81M0.0%+111.5%0.004%Search for SEC Filing on Google Icon
2/19/2026Compound Planning Inc.2,521$0.89M0.0%-13.7%0.001%Search for SEC Filing on Google Icon
2/19/2026Invesco Ltd.1,336,129$471.49M0.1%+6.9%0.624%Search for SEC Filing on Google Icon
2/19/2026Corient Private Wealth LLC95,394$33.66M0.0%+31.7%0.045%Search for SEC Filing on Google Icon
2/19/2026CrossGen Wealth LLC636$0.22M0.2%N/A0.000%Search for SEC Filing on Google Icon
2/18/2026Ameriflex Group Inc.251$89K0.0%-49.8%0.000%Search for SEC Filing on Google Icon
2/18/2026Mercer Global Advisors Inc. ADV16,870$5.95M0.0%+29.5%0.008%Search for SEC Filing on Google Icon
2/18/2026Blue Chip Partners LLC2,055$0.73M0.1%-2.1%0.001%Search for SEC Filing on Google Icon
2/18/2026Vident Advisory LLC5,017$1.77M0.0%-5.7%0.002%Search for SEC Filing on Google Icon
2/18/2026Beacon Pointe Advisors LLC3,492$1.23M0.0%-2.7%0.002%Search for SEC Filing on Google Icon
2/18/2026State of Tennessee Department of Treasury138,801$48.53M0.2%+2.8%0.065%Search for SEC Filing on Google Icon
2/18/2026EP Wealth Advisors LLC6,014$2.12M0.0%N/A0.003%Search for SEC Filing on Google Icon
2/18/2026Mackenzie Financial Corp328,701$116.95M0.1%-28.7%0.153%Search for SEC Filing on Google Icon
2/18/2026NewEdge Advisors LLC13,453$4.75M0.0%-8.0%0.006%Search for SEC Filing on Google Icon
2/18/2026Empowered Funds LLC18,604$6.57M0.1%+75.2%0.009%Search for SEC Filing on Google Icon
2/18/2026Zurich Insurance Group Ltd FI124,889$44.07M0.3%+93.0%0.058%Search for SEC Filing on Google Icon
2/18/2026VestGen Advisors LLC7,014$2.48M0.1%-21.7%0.003%Search for SEC Filing on Google Icon
2/18/2026Virtus Investment Advisers LLC5,780$2.04M0.6%+16.5%0.003%Search for SEC Filing on Google Icon
2/18/2026Susquehanna Fundamental Investments LLC24,892$8.78M0.3%+72.1%0.012%Search for SEC Filing on Google Icon
2/18/2026Polymer Capital Management US LLC2,433$0.86M0.1%+37.5%0.001%Search for SEC Filing on Google Icon
2/18/2026Prana Capital Management LP156,157$55.11M2.0%-54.1%0.073%Search for SEC Filing on Google Icon
2/18/2026Moore Capital Management LP139,600$49.26M0.7%-34.2%0.065%Search for SEC Filing on Google Icon
2/18/2026Man Group plc15,821$5.58M0.0%+137.7%0.007%Search for SEC Filing on Google Icon
2/18/2026Independent Franchise Partners LLP2,115,523$746.53M4.7%+0.9%0.984%Search for SEC Filing on Google Icon
2/18/2026Investment Management Corp of Ontario17,372$6.13M0.1%+81.0%0.008%Search for SEC Filing on Google Icon
2/18/2026Janus Henderson Group PLC24,351$8.59M0.0%-92.3%0.011%Search for SEC Filing on Google Icon
2/18/2026Gotham Asset Management LLC81,509$28.76M0.1%-1.3%0.038%Search for SEC Filing on Google Icon
2/18/2026Evolve Private Wealth LLC4,180$1.48M0.1%N/A0.002%Search for SEC Filing on Google Icon
2/18/2026Ehrenkranz Partners L.P.881$0.31M0.4%N/A0.000%Search for SEC Filing on Google Icon
2/18/2026Engineers Gate Manager LP26,552$9.37M0.1%-52.8%0.012%Search for SEC Filing on Google Icon
2/18/2026First Manhattan CO. LLC.25,456$8.98M0.0%-5.0%0.012%Search for SEC Filing on Google Icon
2/18/2026City National Bank of Florida MSD867$0.31M0.2%+3.8%0.000%Search for SEC Filing on Google Icon
2/18/2026Balyasny Asset Management L.P.387,013$136.57M0.2%-54.3%0.180%Search for SEC Filing on Google Icon
2/18/2026Boothbay Fund Management LLC1,074$0.38M0.0%-97.5%0.000%Search for SEC Filing on Google Icon
2/18/2026Berkshire Hathaway Inc3,602,995$1.27B0.5%-12.1%1.676%Search for SEC Filing on Google Icon
2/17/2026Guggenheim Capital LLC3,019$1.07M0.0%N/A0.001%Search for SEC Filing on Google Icon
2/17/2026Caisse de depot et placement du Quebec51,114$18.04M0.0%-28.3%0.024%Search for SEC Filing on Google Icon
2/17/2026Viking Global Investors LP783,650$276.53M0.7%-44.6%0.365%Search for SEC Filing on Google Icon
2/17/2026Obion Capital Management LP16,189$5.71M5.5%N/A0.008%Search for SEC Filing on Google Icon
2/17/2026Schonfeld Strategic Advisors LLC71,374$25.19M0.1%-38.2%0.033%Search for SEC Filing on Google Icon
2/17/2026Gillson Capital LP189,000$66.69M4.3%+34.4%0.088%Search for SEC Filing on Google Icon
2/17/2026Integrated Advisors Network LLC809$0.29M0.0%-6.4%0.000%Search for SEC Filing on Google Icon
2/17/2026DV Equities LLC299$0.11M0.0%N/A0.000%Search for SEC Filing on Google Icon
2/17/2026AQR Capital Management LLC430,173$151.80M0.1%+276.1%0.200%Search for SEC Filing on Google Icon
2/17/2026GAM Holding AG1,278$0.45M0.0%N/A0.001%Search for SEC Filing on Google Icon
2/17/2026Abel Hall LLC756$0.27M0.1%N/A0.000%Search for SEC Filing on Google Icon
2/17/2026Cetera Investment Advisers27,494$9.70M0.0%+1.2%0.013%Search for SEC Filing on Google Icon
2/17/2026Lazard Asset Management LLC1,286,072$453.83M0.8%+2.0%0.598%Search for SEC Filing on Google Icon
2/17/2026Southpoint Capital Advisors LP650,000$229.37M5.3%N/A0.302%Search for SEC Filing on Google Icon
2/17/2026Hilltop Holdings Inc.1,748$0.62M0.0%-2.7%0.001%Search for SEC Filing on Google Icon
2/17/2026Equitable Holdings Inc.1,273$0.45M0.0%-24.2%0.001%Search for SEC Filing on Google Icon
2/17/2026Laird Norton Wetherby Trust Company LLC11,516$4.06M0.1%N/A0.005%Search for SEC Filing on Google Icon
2/17/2026Capital Planning Advisors LLC11,616$4.10M0.5%-6.0%0.005%Search for SEC Filing on Google Icon
2/17/2026Trexquant Investment LP19,816$6.99M0.1%-32.0%0.009%Search for SEC Filing on Google Icon
2/17/2026Amundi1,217,341$429.58M0.1%-12.0%0.566%Search for SEC Filing on Google Icon
2/17/2026FIL Ltd883,757$311.86M0.2%-4.8%0.411%Search for SEC Filing on Google Icon
2/17/2026Jump Financial LLC8,697$3.07M0.0%-10.1%0.004%Search for SEC Filing on Google Icon
2/17/2026Farallon Capital Management LLC2,665,238$940.51M4.4%+17.0%1.240%Search for SEC Filing on Google Icon
2/17/2026Roehl & Yi Investment Advisors LLC1,145$0.40M0.1%N/A0.001%Search for SEC Filing on Google Icon
2/17/2026Miller Capital Partners Inc.10,833$3.82M1.9%N/A0.005%Search for SEC Filing on Google Icon
2/17/2026Veritas Asset Management LLP1,992,453$703.10M7.2%-3.0%0.927%Search for SEC Filing on Google Icon
2/17/2026Northern Trust Corp2,099,652$740.93M0.1%-5.1%0.977%Search for SEC Filing on Google Icon
2/17/2026Broad Run Investment Management LLC106,567$37.61M7.0%0.0%0.050%Search for SEC Filing on Google Icon
2/17/2026Vinva Investment Management Ltd19,096$6.81M0.1%+78.5%0.009%Search for SEC Filing on Google Icon
2/17/2026Price T Rowe Associates Inc. MD578,391$204.10M0.0%-5.8%0.269%Search for SEC Filing on Google Icon
2/17/2026T. Rowe Price Investment Management Inc.7,969$2.81M0.0%+111.5%0.004%Search for SEC Filing on Google Icon
2/17/2026Regal Investment Advisors LLC2,966$1.05M0.1%+5.6%0.001%Search for SEC Filing on Google Icon
2/17/2026Quantitative Investment Management LLC5,562$1.96M0.2%N/A0.003%Search for SEC Filing on Google Icon
2/17/2026Osaic Holdings Inc.23,470$8.28M0.0%-21.5%0.011%Search for SEC Filing on Google Icon
2/17/2026Advisory Services Network LLC695$0.25M0.0%-22.8%0.000%Search for SEC Filing on Google Icon
2/17/2026Tower Research Capital LLC TRC 8,354$2.95M0.1%+3.1%0.004%Search for SEC Filing on Google Icon
2/17/2026Adage Capital Partners GP L.L.C.606,569$214.05M0.3%-6.1%0.282%Search for SEC Filing on Google Icon
2/17/2026Public Employees Retirement System of Ohio84,663$29.88M0.1%+0.3%0.039%Search for SEC Filing on Google Icon
2/17/2026Corsair Capital Management L.P.40,101$14.15M2.2%+0.9%0.019%Search for SEC Filing on Google Icon
2/17/2026California State Teachers Retirement System318,341$112.34M0.1%-2.2%0.148%Search for SEC Filing on Google Icon
2/17/2026Aspen Grove Capital LLC703$0.25M0.0%-9.6%0.000%Search for SEC Filing on Google Icon
2/17/2026Russell Investments Group Ltd.306,498$108.23M0.1%+4.4%0.143%Search for SEC Filing on Google Icon
2/17/2026Kemnay Advisory Services Inc.83$29K0.0%N/A0.000%Search for SEC Filing on Google Icon
2/17/2026State of Wisconsin Investment Board108,259$38.20M0.1%-1.1%0.050%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: $313.48
Low: $312.05
High: $328.00

50 Day Range

MA: $329.23
Low: $309.67
High: $350.27

52 Week Range

Now: $313.48
Low: $304.59
High: $402.49

Volume

1,343,989 shs

Average Volume

1,412,257 shs

Market Capitalization

$67.17 billion

P/E Ratio

18.42

Dividend Yield

0.95%

Beta

0.82

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. Eric Andersen (President)
  6. Lester B Knight (Director)
  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. Vanguard Group Inc. — 9.38%
  2. Capital World Investors — 5.70%
  3. State Street Corp — 4.28%
  4. Massachusetts Financial Services Co. MA — 3.98%
  5. Dodge & Cox — 3.65%
  6. Morgan Stanley — 2.59%
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. Polen Capital Management LLC
  3. Viking Global Investors LP
  4. Morgan Stanley
  5. Neuberger Berman Group LLC
  6. First Trust Advisors LP
  7. Capital International Investors
  8. Berkshire Hathaway Inc

Which institutional investors are buying AON stock?

During the last quarter, AON stock was acquired by institutional investors including:
  1. Dodge & Cox
  2. Norges Bank
  3. Southpoint Capital Advisors LP
  4. Focus Partners Wealth
  5. Farallon Capital Management LLC
  6. Northwestern Mutual Wealth Management Co.
  7. AQR Capital Management LLC
  8. Arrowstreet Capital Limited Partnership

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
1 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