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Aon plc

AON
Exchange
NYSE
Industry
Insurance Agents, Brokers & Service
SEC CIK
0000315293

In the last 90 days, Aon plc insiders filed 1 open-market purchase and 3 sales; 1,273 institutions reported holding it in 13F filings for Q2 2026, worth $63.9B in total; 4 superinvestors hold it, including Viking Global Investors and Baupost Group.

13F holders, Q2 2021

Institutional positions in Aon plc as of Jun 30, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
912
+4 vs. Q1 2021
Shares held
223.7M
+1.23M (+0.6%) vs. Q1 2021
Total value
$53.4B
+$2.24B (+4.4%) vs. Q1 2021
New holders
82
353 more added
Sold out
78
289 more reduced

11 institutions that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2021: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting AON on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2021: 912 institutions
Q1 2021: 919 institutionsQ2 2021: 912 institutionsQ3 2021: 917 institutionsQ4 2021: 995 institutionsQ1 2022: 985 institutionsQ2 2022: 966 institutionsQ3 2022: 950 institutionsQ4 2022: 1,034 institutionsQ1 2023: 1,014 institutionsQ2 2023: 1,024 institutionsQ3 2023: 1,048 institutionsQ4 2023: 1,066 institutionsQ1 2024: 1,086 institutionsQ2 2024: 1,110 institutionsQ3 2024: 1,148 institutionsQ4 2024: 1,195 institutionsQ1 2025: 1,275 institutionsQ2 2025: 1,232 institutionsQ3 2025: 1,254 institutionsQ4 2025: 1,288 institutionsQ1 2026: 1,265 institutionsQ2 2026: 1,273 institutions
Value heldQ2 2021: $53.4B
Q1 2021: $51.4BQ2 2021: $53.4BQ3 2021: $57.2BQ4 2021: $56.5BQ1 2022: $61.2BQ2 2022: $49.5BQ3 2022: $48.4BQ4 2022: $52.6BQ1 2023: $55.7BQ2 2023: $61.2BQ3 2023: $56.4BQ4 2023: $49.8BQ1 2024: $57.4BQ2 2024: $55.4BQ3 2024: $66.1BQ4 2024: $69.1BQ1 2025: $77.1BQ2 2025: $69.3BQ3 2025: $66.3BQ4 2025: $66.7BQ1 2026: $60.6BQ2 2026: $63.9B
Institutions holding AON and their total value by quarter
QuarterHoldersValue
Q2 20261,273$63.9B
Q1 20261,265$60.6B
Q4 20251,288$66.7B
Q3 20251,254$66.3B
Q2 20251,232$69.3B
Q1 20251,275$77.1B
Q4 20241,195$69.1B
Q3 20241,148$66.1B
Q2 20241,110$55.4B
Q1 20241,086$57.4B
Q4 20231,066$49.8B
Q3 20231,048$56.4B
Q2 20231,024$61.2B
Q1 20231,014$55.7B
Q4 20221,034$52.6B
Q3 2022950$48.4B
Q2 2022966$49.5B
Q1 2022985$61.2B
Q4 2021995$56.5B
Q3 2021917$57.2B
Q2 2021912$53.4B
Q1 2021919$51.4B

Institutions, Q2 2021

Shares, value and share of portfolio for each institution holding Aon plc; share changes are against Q1 2021.

Institutions holding AON in Q2 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Janus Henderson Group PLC4,034,958$963.3M0.41%−791,722−16.4%Reduced
Berkshire Hathaway IncSuperinvestorBerkshire Hathaway4,396,000$1.05B0.36%+299,854+7.3%Added
WCM Investment Management, LLC4,619,723$1.10B2.80%+63,616+1.4%Added
Lazard Asset Management LLC6,039,821$1.44B1.62%+100,230+1.7%Added
Mawer Investment Management Ltd.6,050,712$1.44B7.15%+213,878+3.7%Added
Eagle Capital Management LLC6,560,400$1.57B4.47%−39,076−0.6%Reduced
Capital International Investors7,807,606$1.87B0.43%−1,030,821−11.7%Reduced
State Street Corp9,338,406$2.23B0.12%+58,087+0.6%Added
BlackRock Inc.16,543,059$3.95B0.11%−524,399−3.1%Reduced
Vanguard Group Inc16,956,025$4.05B0.10%−483,592−2.8%Reduced
Massachusetts Financial Services Co19,474,366$4.65B1.35%−192,304−1.0%Reduced
Sofos Investments, Inc.8––00.0%Unchanged
Eminence Capital, LP0$00.00%−568,111−100.0%Sold out
Senator Investment Group LP0$00.00%−539,000−100.0%Sold out
Generation Investment Management LLP0$00.00%−538,770−100.0%Sold out
Rivulet Capital, LLC0$00.00%−450,100−100.0%Sold out
Alua Capital Management LP0$00.00%−324,800−100.0%Sold out
Omers Administration Corp0$00.00%−311,100−100.0%Sold out
Bain Capital Public Equity Management II, LLC0$00.00%−271,162−100.0%Sold out
Balyasny Asset Management LLC0$00.00%−176,190−100.0%Sold out
Petrus Trust Company, LTA0$00.00%−136,200−100.0%Sold out
Chilton Investment Co LLC0$00.00%−72,427−100.0%Sold out
Churchill Management Corp0$00.00%−30,282−100.0%Sold out
SG3 Management, LLC0$00.00%−27,500−100.0%Sold out
Qube Research & Technologies Ltd0$00.00%−24,471−100.0%Sold out
Aigen Investment Management, LP0$00.00%−21,954−100.0%Sold out
Maryland State Retirement & Pension System0$00.00%−17,366−100.0%Sold out
Highland Capital Management, LLC0$00.00%−12,696−100.0%Sold out
MD Financial Management Inc.0$00.00%−10,723−100.0%Sold out
FORA Capital, LLC0$00.00%−9,867−100.0%Sold out
Avitas Wealth Management LLC0$00.00%−9,567−100.0%Sold out
Athanor Capital, LP0$00.00%−7,049−100.0%Sold out
LS Investment Advisors, LLC0$00.00%−5,602−100.0%Sold out
Oribel Capital Management, LP0$00.00%−5,000−100.0%Sold out
Wealthspire Advisors, LLC0$00.00%−4,918−100.0%Sold out
Venturi Wealth Management, LLC0$00.00%−4,515−100.0%Sold out
Toews Corp0$00.00%−4,100−100.0%Sold out
Ameritas Investment Company, LLC0$00.00%−3,750−100.0%Sold out
HRT Financial LP0$00.00%−3,515−100.0%Sold out
Mountain Capital Investment Advisors, Inc0$00.00%−3,226−100.0%Sold out
Fullerton Fund Management Co Ltd.0$00.00%−3,311−100.0%Sold out
Commonwealth of Pennsylvania Public School Empls Retrmt Sys0$00.00%−3,263−100.0%Sold out
Karpus Management, Inc.0$00.00%−2,626−100.0%Sold out
Campbell & CO Investment Adviser LLC0$00.00%−2,386−100.0%Sold out
NFJ Investment Group, LLC0$00.00%−2,316−100.0%Sold out
Empowered Funds, LLC0$00.00%−2,265−100.0%Sold out
Lakeview Capital Partners, LLC0$00.00%−2,010−100.0%Sold out
Fosun International Ltd0$00.00%−1,700−100.0%Sold out
Perigon Wealth Management, LLC0$00.00%−1,696−100.0%Sold out
LMR Partners LLP0$00.00%−1,686−100.0%Sold out
IHT Wealth Management, LLC0$00.00%−1,582−100.0%Sold out
Fiduciary Trust Co0$00.00%−1,527−100.0%Sold out
Capital Square, LLC0$00.00%−1,310−100.0%Sold out
Proficio Capital Partners LLC0$00.00%−1,336−100.0%Sold out
Waratah Capital Advisors Ltd.0$00.00%−1,300−100.0%Sold out
Virtu Financial LLC0$00.00%−1,285−100.0%Sold out
Boothbay Fund Management, LLC0$00.00%−1,272−100.0%Sold out
AlphaCrest Capital Management LLC0$00.00%−1,211−100.0%Sold out
Capstone Financial Advisors, Inc.0$00.00%−1,184−100.0%Sold out
BFSG, LLC0$00.00%−1,157−100.0%Sold out
Sowell Financial Services LLC0$00.00%−1,019−100.0%Sold out
TCG Advisory Services, LLC0$00.00%−1,107−100.0%Sold out
Arete Wealth Advisors, LLC0$00.00%−1,012−100.0%Sold out
Fox Run Management, L.L.C.0$00.00%−1,001−100.0%Sold out
Cowen and Company, LLC0$00.00%−981−100.0%Sold out
Comerica Securities,inc.0$00.00%−982−100.0%Sold out
Linscomb & Williams, Inc.0$00.00%−930−100.0%Sold out
Nomura Holdings Inc0$00.00%−932−100.0%Sold out
NuWave Investment Management, LLC0$00.00%−920−100.0%Sold out
Edge Capital Group, LLC0$00.00%−916−100.0%Sold out
tru Independence LLC0$00.00%−911−100.0%Sold out
TRUE Private Wealth Advisors0$00.00%−891−100.0%Sold out
Prime Capital Investment Advisors, LLC0$00.00%−571−100.0%Sold out
Cary Street Partners Asset Management LLC0$00.00%−47,523−100.0%Sold out
Wealthcare Advisory Partners LLC0$00.00%−384−100.0%Sold out
Allred Capital Management, LLC0$00.00%−137−100.0%Sold out
International Assets Investment Management, LLC0$00.00%−116−100.0%Sold out
Mascoma Wealth Management LLC0$00.00%−100−100.0%Sold out
Heritage Wealth Management, LLC0$00.00%−64−100.0%Sold out
Wealthcare Capital Management LLC0$00.00%−55−100.0%Sold out
Eudaimonia Partners, LLC0$00.00%−58−100.0%Sold out
Manchester Financial Inc0$00.00%−30−100.0%Sold out
Grandview Asset Management LLC0$00.00%−21−100.0%Sold out
Bellevue Asset Management, LLC0$00.00%−20−100.0%Sold out
Meridian Wealth Partners, LLC0$00.00%−17−100.0%Sold out
Joseph P. Lucia & Associates, LLC0$00.00%−10−100.0%Sold out
Stonebridge Capital Advisors LLC0$00.00%−6−100.0%Sold out
Atlas Private Wealth Advisors0$00.00%−3−100.0%Sold out
Point72 Hong Kong Ltd0$00.00%−1−100.0%Sold out
Stuart Chaussee & Associates, Inc.0$00.00%−2−100.0%Sold out
Waddell & Reed Financial Inc––––Not filed
Amundi Asset Management US, Inc.––––Not filed
Bokf, NA––––Not filed
BBVA USA Bancshares, Inc.––––Not filed
WealthStone, Inc.––––Not filed
Pillar Pacific Capital Management LLC––––Not filed
TCF National Bank––––Not filed
New Capital Management LP––––Not filed
Sullivan, Bruyette, Speros & Blaney, LLC––––Not filed
Tompkins Financial Corp––––Not filed