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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 2026

Institutional positions in Aon plc as of Jun 30, 2026. 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
1,273
+25 vs. Q1 2026
Shares held
192.7M
+5.20M (+2.8%) vs. Q1 2026
Total value
$63.9B
+$3.31B (+5.5%) vs. Q1 2026
New holders
140
472 more added
Sold out
115
458 more reduced

17 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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 2026: 1,273 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 2026: $63.9B
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 2026

Shares, value and share of portfolio for each institution holding Aon plc; share changes are against Q1 2026.

Institutions holding AON in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Horizon Investments, LLC10,460$3.46M0.04%+1,067+11.4%Added
Pensionmark Financial Group, LLC10,650$3.44M0.06%−40.0%Reduced
Pine Valley Investments Ltd Liability Co10,217$3.39M0.14%+362+3.7%Added
Allspring Global Investments Holdings, LLC9,846$3.38M0.01%+83+0.9%Added
Squarepoint Ops LLC10,148$3.37M0.01%−61,787−85.9%Reduced
Stanley-Laman Group, Ltd.10,049$3.33M0.34%−376−3.6%Reduced
Union Heritage Capital, LLC9,967$3.31M1.12%00.0%Unchanged
Lombard Odier Asset Management (Switzerland) SA9,950$3.30M0.10%+3,237+48.2%Added
FORA Capital, LLC9,841$3.26M0.22%−12,776−56.5%Reduced
Diversified Trust Co9,820$3.26M0.05%+305+3.2%Added
Cary Street Partners Financial LLC9,813$3.25M0.07%+2,371+31.9%Added
MV Capital Management, Inc.9,812$3.25M0.29%+143+1.5%Added
Larson Financial Group LLC9,765$3.24M0.09%−237−2.4%Reduced
T. Rowe Price Investment Management, Inc.9,756$3.24M0.00%−385−3.8%Reduced
Lido Advisors, LLC9,752$3.23M0.01%+1,356+16.2%Added
Nicolet Bankshares Inc9,708$3.23M0.10%+602+6.6%Added
Scotia Capital Inc.9,720$3.22M0.01%−609−5.9%Reduced
Capitolis Liquid Global Markets LLC9,700$3.22M0.01%−80,729−89.3%Reduced
Steward Partners Investment Advisory, LLC9,449$3.13M0.02%−1,124−10.6%Reduced
Sivia Capital Partners, LLC9,286$3.08M0.37%−964−9.4%Reduced
HB Wealth Management, LLC9,279$3.08M0.02%+1,770+23.6%Added
Regions Financial Corp9,166$3.04M0.02%−1,773−16.2%Reduced
LBMC Investment Advisors, LLC9,127$3.03M0.16%+14+0.2%Added
TD Waterhouse Canada Inc.8,718$3.00M0.01%+728+9.1%Added
Busey Wealth Management9,023$2.99M0.07%−388−4.1%Reduced
Cambridge Investment Research Advisors, Inc.8,820$2.93M0.01%−76−0.9%Reduced
PEAK6 LLC8,801$2.92M0.07%+7,102+418.0%Added
Cullen Investment Group, Ltd.8,688$2.88M0.35%+992+12.9%Added
Berman McAleer LLC8,599$2.85M0.33%−8,010−48.2%Reduced
Mitsubishi UFJ Asset Management (UK) Ltd.8,500$2.82M1.31%+1,500+21.4%Added
Tealwood Asset Management Inc8,396$2.79M1.07%+3,529+72.5%Added
MUFG Securities EMEA plc8,360$2.77M0.03%−434−4.9%Reduced
Bessemer Group Inc8,332$2.76M0.00%−2,723−24.6%Reduced
Atria Investments LLC8,294$2.75M0.03%−4,891−37.1%Reduced
Americana Partners, LLC8,159$2.71M0.06%+675+9.0%Added
Burkett Asset Management Ltd8,097$2.69M2.51%−542−6.3%Reduced
VestGen Advisors, LLC8,072$2.68M0.08%−33−0.4%Reduced
YHB Investment Advisors, Inc.7,992$2.65M0.17%−15,056−65.3%Reduced
Chicago Partners Investment Group LLC7,233$2.57M0.05%+3,813+111.5%Added
Vident Advisory, LLC7,709$2.56M0.02%+837+12.2%Added
Element Capital Management LLC7,700$2.55M0.14%+7,700New
Legacy Wealth Asset Management, LLC7,524$2.50M0.55%+54+0.7%Added
Equitable Holdings, Inc.7,395$2.45M0.01%−222−2.9%Reduced
Brown Brothers Harriman & Co7,373$2.45M0.01%+796+12.1%Added
Clearstead Advisors, LLC7,362$2.44M0.02%−4,082−35.7%Reduced
First National Bank & Trust Co of Newtown6,658$2.40M0.49%00.0%Unchanged
Capital Group Investment Management Pte. Ltd.7,219$2.39M0.36%00.0%Unchanged
Machina Capital S.A.S.7,211$2.39M0.38%−3,350−31.7%Reduced
Beacon Financial Group7,203$2.39M0.22%+47+0.7%Added
RSM US Wealth Management LLC7,197$2.39M0.03%−38−0.5%Reduced
Keybank National Association7,167$2.38M0.01%+123+1.7%Added
Mission Wealth Management, LP7,086$2.35M0.03%+2,957+71.6%Added
First Foundation Advisors7,057$2.34M0.08%−1,621−18.7%Reduced
Marks Group Wealth Management, Inc7,039$2.33M0.20%−5,889−45.6%Reduced
NorthCrest Asset Manangement, LLC6,531$2.32M0.06%+1,472+29.1%Added
Warner Group LLC6,974$2.31M0.57%+1,170+20.2%Added
Tokio Marine Asset Management Co Ltd6,957$2.31M0.07%00.0%Unchanged
Ninety One SA (PTY) Ltd6,931$2.30M0.12%+381+5.8%Added
GWM Advisors LLC6,898$2.29M0.01%+234+3.5%Added
Gabelli Funds LLC6,880$2.28M0.01%−5,000−42.1%Reduced
QRG Capital Management, Inc.6,841$2.27M0.02%+672+10.9%Added
Metis Global Partners, LLC6,834$2.27M0.05%−1,032−13.1%Reduced
Lafayette Investments, Inc.6,780$2.25M0.41%−20−0.3%Reduced
Ascent Group, LLC6,755$2.24M0.07%+192+2.9%Added
Crestwood Advisors Group LLC6,648$2.20M0.03%−654−9.0%Reduced
Crossmark Global Holdings, Inc.6,632$2.20M0.03%−546−7.6%Reduced
Axxcess Wealth Management, LLC6,578$2.18M0.03%+6,578New
Catalyst Capital Advisors LLC6,577$2.18M0.04%00.0%Unchanged
Osmosis Investment Management UK Ltd6,539$2.17M0.10%−7,444−53.2%Reduced
MUFG Securities Americas Inc.6,433$2.13M0.11%+498+8.4%Added
EP Wealth Advisors, LLC6,337$2.10M0.01%+342+5.7%Added
Securian Asset Management, Inc5,715$2.10M0.08%−129−2.2%Reduced
Two Sigma Investments, LP6,297$2.09M0.00%−13,240−67.8%Reduced
Aire Advisors, LLC6,287$2.09M0.34%+14+0.2%Added
Parkside Financial Bank & Trust6,283$2.08M0.14%+1,757+38.8%Added
Ancora Advisors, LLC6,282$2.08M0.04%+230+3.8%Added
North Dakota State Investment Board6,243$2.07M0.08%+161+2.6%Added
South Dakota Investment Council6,170$2.05M0.04%00.0%Unchanged
Private Advisor Group, LLC6,109$2.03M0.01%−3,033−33.2%Reduced
K.J. Harrison & Partners Inc6,000$1.99M0.28%00.0%Unchanged
NewEdge Wealth, LLC5,982$1.98M0.02%−141−2.3%Reduced
Meeder Advisory Services, Inc.5,966$1.98M0.07%+365+6.5%Added
Dai-Ichi Life Insurance Company, Ltd5,834$1.94M0.05%00.0%Unchanged
Equitable Trust Co5,807$1.93M0.08%−54−0.9%Reduced
Concurrent Investment Advisors, LLC5,805$1.93M0.02%+692+13.5%Added
Allworth Financial LP5,799$1.92M0.01%+2,210+61.6%Added
Cambria Investment Management, L.P.5,676$1.88M0.09%+1,543+37.3%Added
Banque Cantonale Vaudoise5,550$1.84M0.07%+1,231+28.5%Added
Kentucky Retirement Systems Insurance Trust Fund5,501$1.82M0.11%−25−0.5%Reduced
Anchor Capital Advisors LLC5,465$1.81M0.05%−473−8.0%Reduced
Cache Advisors, LLC5,458$1.81M0.15%+3,285+151.2%Added
TCW Group Inc5,447$1.81M0.01%+63+1.2%Added
Waterfront Wealth Inc.4,979$1.78M0.28%+329+7.1%Added
Value Partners Investments Inc.5,353$1.77M0.12%+840+18.6%Added
Resources Investment Advisors, LLC.5,325$1.77M0.01%+114+2.2%Added
2Xideas AG5,311$1.76M0.76%−4,964−48.3%Reduced
Hurley Capital, LLC5,208$1.73M0.90%+5,058+3,372.0%Added
Caldwell Trust Co5,200$1.72M0.14%00.0%Unchanged
Quantitative Investment Management, LLC5,174$1.72M0.19%−3,036−37.0%Reduced
Welch Group, LLC5,148$1.71M0.06%00.0%Unchanged