AON plc AON

US Financials Insurance Agents, Brokers & Service
$357.46
+4.0%
52w: $308.27 – $374.28

Latest 13F among current holders filed 11 days ago (Jun 24, 2026)

Price — last 12 months

research preview data
308.27341.28374.28
Jun 20, 2025 Jul 2, 2026
Institutional holders
1.3K
-27 QoQ
13F value
$60.62B
-9.1% QoQ
Smart-money holders
118
signal tier ≥ 2
New smart buyers
12
Q1 2026
Options barometer
1.4×
$97.2M calls / $68.9M puts

Institutional value by quarter

$66.23B
Q1 2024
$56.09B
Q2 2024
$67.50B
Q3 2024
$69.96B
Q4 2024
$77.23B
Q1 2025
$69.42B
Q2 2025
$67.55B
Q3 2025
$66.71B
Q4 2025
$60.62B
Q1 2026

Number of holders

1.1K
Q1 2024
1.1K
Q2 2024
1.1K
Q3 2024
1.2K
Q4 2024
1.3K
Q1 2025
1.2K
Q2 2025
1.2K
Q3 2025
1.3K
Q4 2025
1.3K
Q1 2026

Who owns AON?

Q1 2026 filings
FundTypeSharesValue% of fundChange
BlackRock, Inc. Index provider16.1M$5.21B0.1%-0.5%
VANGUARD CAPITAL MANAGEMENT LLC Diversified mechanical13.6M$4.38B0.1%
Capital World Investors Long only active11.5M$3.70B0.5%-6.3%
STATE STREET CORP Index provider9.2M$2.98B0.1%+0.2%
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ Other8.4M$2.75B0.9%-2.2%
Dodge & Cox ★2Long only active8.1M$2.62B1.4%+3.4%
MORGAN STANLEY Bank broker6.4M$2.06B0.1%+14.4%
JPMORGAN CHASE & CO Bank broker5.6M$1.83B0.1%+76.7%
GEODE CAPITAL MANAGEMENT, LLC Index provider5.2M$1.69B0.1%+2.0%
VANGUARD PORTFOLIO MANAGEMENT LLC Diversified mechanical4.6M$1.47B0.1%
Bank of New York Mellon Corp Diversified mechanical3.3M$1.07B0.2%-4.5%
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main Other2.9M$951.7M0.9%+22.1%
Independent Franchise Partners LLP ★3Fundamental concentrated2.6M$835.4M5.8%+22.3%
Mitsubishi UFJ Asset Management Co., Ltd. Diversified mechanical2.5M$812.3M0.5%+38.8%
FARALLON CAPITAL MANAGEMENT LLC ★2Fundamental diversified2.5M$811.0M5.3%-5.7%
NORTHERN TRUST CORP Index provider2.1M$672.1M0.1%-0.8%
WCM INVESTMENT MANAGEMENT, LLC Other2.0M$632.7M1.4%-1.7%
Boston Partners Other2.0M$631.1M0.7%+19.6%
NEUBERGER BERMAN GROUP LLC Diversified mechanical1.9M$599.7M0.5%+3.0%
Artisan Partners Limited Partnership Other1.6M$530.7M0.9%+47.1%
GOLDMAN SACHS GROUP INC Bank broker1.6M$511.3M0.1%+12.4%
BANK OF AMERICA CORP /DE/ Bank broker1.6M$510.9M0.0%+16.3%
Veritas Asset Management LLP ★3Fundamental concentrated1.5M$490.7M8.3%-23.7%
Amundi Diversified mechanical1.5M$485.1M0.1%+23.5%
DIAMOND HILL CAPITAL MANAGEMENT INC Other1.5M$480.3M3.0%-6.8%
Invesco Ltd. Index provider1.5M$479.9M0.1%+11.3%
CHARLES SCHWAB INVESTMENT MANAGEMENT INC Index provider1.4M$437.4M0.1%+3.4%
POLEN CAPITAL MANAGEMENT LLC ★2Long only active1.4M$437.1M3.0%-26.7%
Legal & General Group Plc Diversified mechanical1.3M$432.9M0.1%-0.7%
PRICE T ROWE ASSOCIATES INC /MD/ Diversified mechanical1.3M$413.5M0.0%+121.5%
Mawer Investment Management Ltd. ★2Fundamental diversified1.3M$412.2M2.7%-13.6%
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC Bank broker1.3M$407.4M0.1%+1.8%
DIMENSIONAL FUND ADVISORS LP Quant stat arb1.3M$404.7M0.1%+20.5%
VANGUARD FIDUCIARY TRUST CO Diversified mechanical1.2M$395.6M0.1%
LAZARD ASSET MANAGEMENT LLC Diversified mechanical1.2M$392.9M0.6%-5.4%
Cantillon Capital Management LLC ★2Fundamental diversified1.1M$353.6M2.3%-11.9%
VIKING GLOBAL INVESTORS LP ★2Fundamental diversified1.1M$350.9M1.0%+38.7%
AMERIPRISE FINANCIAL INC Bank broker1.1M$348.8M0.1%-2.5%
Sustainable Growth Advisers, LP ★2Fundamental diversified1.1M$339.5M3.2%-13.9%
Vontobel Holding Ltd. Diversified mechanical999.2K$322.5M1.1%+31.4%
Wealthspire Advisors, LLC Wealth advisor984.1K$317.6M2.5%+259.7%
AQR CAPITAL MANAGEMENT LLC Quant stat arb979.8K$316.2M0.1%+127.8%
Longview Partners (Guernsey) LTD ★2Fundamental diversified976.3K$315.1M4.5%-11.7%
UBS Group AG Bank broker903.9K$291.8M0.1%+10.2%
Nuveen, LLC Diversified mechanical851.1K$274.7M0.1%+5.3%
Capital International Investors Long only active807.1K$260.6M0.1%-35.7%
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP Quant stat arb797.4K$257.4M0.1%+74.7%
BAUPOST GROUP LLC/MA ★3Value conviction769.0K$248.2M4.9%New
FIL Ltd Other746.0K$240.8M0.2%-15.6%
First Pacific Advisors, LP ★2Fundamental diversified703.3K$227.0M3.2%+7.1%

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