Aon plc

AONNYSE

$269.45-6.50 (-2.36%)as of Oct 2, 2026

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

Aon plc price and activity chart data

Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (-25.3%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
BlackRock, Inc.	7.36%	$5.21B	0.08%	Not reported
Vanguard Capital Management LLC	6.37%	$4.51B	0.10%	Not reported
JPMorgan Chase & Co	5.70%	$3.99B	0.22%	Not reported
Capital World Investors	5.48%	$3.88B	0.46%	Add 2.04%
State Street Corp	4.41%	$3.12B	0.09%	Not reported
Dodge & Cox	4.02%	$2.85B	1.49%	Add 5.88%
Massachusetts Financial Services Co	3.57%	$2.58B	0.82%	Reduce 8.89%
Vanguard Portfolio Management LLC	3.37%	$2.39B	0.11%	Not reported
Morgan Stanley	2.91%	$2.06B	0.11%	Not reported
Geode Capital Management, LLC	2.43%	$1.71B	0.09%	Not reported
Bank of New York Mellon Corp	1.49%	$1.06B	0.17%	Not reported
Norges Bank	1.31%	$928M	0.09%	Not reported
Mitsubishi UFJ Asset Management Co., Ltd.	1.29%	$913M	0.51%	Add 9.43%
Independent Franchise Partners LLP	1.24%	$878M	5.76%	Add 2.28%
Arrowstreet Capital, Limited Partnership	1.22%	$867M	0.38%	Not reported
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main	1.06%	$748M	0.57%	Reduce 23.49%
Northern Trust Corp	0.96%	$677M	0.08%	Not reported
AQR Capital Management LLC	0.89%	$623M	0.22%	Not reported
WCM Investment Management, LLC	0.88%	$614M	1.11%	Reduce 3.92%
Artisan Partners Limited Partnership	0.87%	$614M	0.97%	Add 12.56%
Goldman Sachs Group Inc	0.82%	$580M	0.05%	Not reported
Neuberger Berman Group LLC	0.79%	$561M	0.37%	Not reported
Bank of America Corp	0.76%	$539M	0.03%	Not reported
Veritas Asset Management LLP	0.66%	$467M	8.40%	Reduce 7.38%
Farallon Capital Management, L.L.C.	0.65%	$459M	2.12%	Reduce 44.98%
Charles Schwab Investment Management Inc	0.63%	$446M	0.06%	Not reported
Legal & General Group Plc	0.60%	$427M	0.09%	Not reported
Dimensional Fund Advisors LP	0.58%	$411M	0.07%	Not reported
Vanguard Fiduciary Trust Co	0.56%	$395M	0.09%	Not reported
Mawer Investment Management Ltd.	0.55%	$389M	2.64%	Reduce 8.26%
Viking Global Investors LP	0.54%	$382M	1.09%	Add 5.90%
Diamond Hill Capital Management, LLC (Investment Advisor)	0.52%	$370M	2.96%	Reduce 25.12%
Invesco Ltd.	0.50%	$355M	0.03%	Not reported
Amundi	0.47%	$330M	0.08%	Not reported
Nuveen, LLC	0.41%	$291M	0.07%	Not reported
UBS Group AG	0.39%	$273M	0.03%	Not reported
Comgest Global Investors S.A.S.	0.38%	$272M	5.99%	Add 30.47%
PineStone Asset Management Inc.	0.37%	$265M	1.64%	New Not reported
Capital International Investors	0.37%	$263M	0.05%	Reduce 1.62%
Longview Partners (Guernsey) LTD	0.36%	$255M	4.14%	Reduce 21.23%
FIL Ltd	0.35%	$250M	0.18%	Add 1.08%
Wealthspire Advisors, LLC	0.34%	$241M	1.33%	Not reported
Focus Partners Wealth	0.33%	$234M	0.24%	Not reported
Ameriprise Financial Inc	0.32%	$230M	0.05%	Not reported
Baupost Group LLC	0.32%	$228M	4.21%	Reduce 10.66%
Meritage Group LP	0.32%	$227M	8.75%	Add 0.64%
First Pacific Advisors, LP	0.32%	$226M	2.79%	Reduce 3.11%
Deutsche Bank Ag\	0.27%	$194M	0.06%	Not reported
Swiss National Bank	0.27%	$190M	0.10%	Not reported
Royal Bank of Canada	0.26%	$184M	0.03%	Not reported

50 of 1,202 holders

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