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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, Q1 2022

Institutional positions in Aon plc as of Mar 31, 2022. 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
985
+2 vs. Q4 2021
Shares held
188.2M
−117.9K (−0.1%) vs. Q4 2021
Total value
$61.2B
+$4.73B (+8.4%) vs. Q4 2021
New holders
94
324 more added
Sold out
92
369 more reduced

12 institutions that held it in Q4 2021 haven't filed for Q1 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2022: 985 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: 1,025 institutionsQ3 2023: 1,049 institutionsQ4 2023: 1,067 institutionsQ1 2024: 1,087 institutionsQ2 2024: 1,111 institutionsQ3 2024: 1,149 institutionsQ4 2024: 1,196 institutionsQ1 2025: 1,276 institutionsQ2 2025: 1,233 institutionsQ3 2025: 1,255 institutionsQ4 2025: 1,289 institutionsQ1 2026: 1,266 institutionsQ2 2026: 1,273 institutions
Value heldQ1 2022: $61.2B
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 20261,266$60.6B
Q4 20251,289$66.7B
Q3 20251,255$66.3B
Q2 20251,233$69.3B
Q1 20251,276$77.1B
Q4 20241,196$69.1B
Q3 20241,149$66.1B
Q2 20241,111$55.4B
Q1 20241,087$57.4B
Q4 20231,067$49.8B
Q3 20231,049$56.4B
Q2 20231,025$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, Q1 2022

Shares, value and share of portfolio for each institution holding Aon plc; share changes are against Q4 2021.

Institutions holding AON in Q1 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Northwestern Mutual Wealth Management Co16,793$5.47M0.01%−6,074−26.6%Reduced
Maryland State Retirement & Pension System16,777$5.46M0.15%00.0%Unchanged
Barings LLC16,665$5.43M0.16%−184−1.1%Reduced
KWMG, LLC16,172$5.27M0.72%−601−3.6%Reduced
American Century Companies Inc16,169$5.26M0.00%+7,771+92.5%Added
Daiwa Securities Group Inc.16,087$5.24M0.03%−103−0.6%Reduced
O'Shaughnessy Asset Management, LLC15,618$5.09M0.08%+6,166+65.2%Added
Sumitomo Mitsui DS Asset Management Company, Ltd15,412$5.02M0.11%−59−0.4%Reduced
Global Frontier Investments LLC15,000$4.88M1.89%00.0%Unchanged
Private Advisor Group, LLC14,896$4.85M0.04%−1,985−11.8%Reduced
Mount Yale Investment Advisors, LLC14,848$4.83M0.53%+2,340+18.7%Added
D. E. Shaw & Co., Inc.14,840$4.83M0.01%+14,840New
Aperture Investors, LLC14,815$4.82M0.63%−14,752−49.9%Reduced
Captrust Financial Advisors14,612$4.76M0.03%+1,718+13.3%Added
CX Institutional14,246$4.64M0.37%+45+0.3%Added
Gotham Asset Management, LLC14,047$4.57M0.14%−4,077−22.5%Reduced
Raymond James Financial Services Advisors, Inc.14,028$4.57M0.01%+4,255+43.5%Added
Louisiana State Employees Retirement System13,600$4.53M0.11%−200−1.4%Reduced
Diversified Trust Co13,823$4.50M0.16%+576+4.3%Added
Pittenger & Anderson Inc13,745$4.48M0.22%+725+5.6%Added
Kentucky Retirement Systems13,691$4.46M0.18%+204+1.5%Added
Worldquant Millennium Advisors LLC13,470$4.39M0.11%−16,495−55.0%Reduced
Jasper Ridge Partners, L.P.13,388$4.36M0.22%00.0%Unchanged
WBI Investments13,390$4.25M0.69%+13,390New
Achmea Investment Management B.V.13,021$4.24M0.11%00.0%Unchanged
MML Investors Services, LLC12,999$4.23M0.03%+693+5.6%Added
Nordea Investment Management AB12,834$4.23M0.01%−132−1.0%Reduced
Metropolitan Life Insurance Co12,985$4.23M0.15%−17,891−57.9%Reduced
Bokf, NA12,870$4.19M0.07%−950−6.9%Reduced
Onyx Bridge Wealth Group LLC13,371$4.16M1.58%−595−4.3%Reduced
Freestone Capital Holdings, LLC12,777$4.16M0.17%+244+1.9%Added
New Mexico Educational Retirement Board12,445$4.05M0.15%−1,300−9.5%Reduced
Rothschild Investment Corp12,259$3.99M0.31%+1,600+15.0%Added
Premier Fund Managers Ltd12,177$3.97M0.14%+100+0.8%Added
Seascape Capital Management12,098$3.94M2.04%+36+0.3%Added
Janney Montgomery Scott LLC11,769$3.83M0.02%−893−7.1%Reduced
Goelzer Investment Management, Inc.11,722$3.82M0.33%+438+3.9%Added
Ar Asset Management Inc11,618$3.78M0.96%00.0%Unchanged
Chesley Taft & Associates LLC11,292$3.72M0.22%+145+1.3%Added
Synovus Financial Corp11,198$3.64M0.04%+6,447+135.7%Added
Anderson Hoagland & Co11,063$3.60M0.46%+20.0%Added
Pacer Advisors, Inc.11,059$3.60M0.03%−3,188−22.4%Reduced
Prudential PLC10,962$3.57M0.05%+10,962New
Fortem Financial Group, LLC10,733$3.50M1.53%+1,848+20.8%Added
Susquehanna Fundamental Investments, LLC10,626$3.46M0.07%+1,456+15.9%Added
Oribel Capital Management, LP10,600$3.45M0.66%−114,200−91.5%Reduced
Rockefeller Capital Management L.P.10,595$3.45M0.02%−4,831−31.3%Reduced
Snowden Capital Advisors LLC10,575$3.44M0.14%+10,427+7,045.3%Added
Bradley Mark J.10,285$3.35M2.39%+30+0.3%Added
Oppenheimer Asset Management Inc.10,087$3.28M0.05%+643+6.8%Added
MidWestOne Financial Group, Inc.9,828$3.20M0.69%−469−4.6%Reduced
Gratus Capital LLC9,708$3.16M0.30%−95−1.0%Reduced
Illinois Municipal Retirement Fund9,576$3.12M0.09%00.0%Unchanged
Jane Street Group, LLC9,502$3.09M0.01%−11,557−54.9%Reduced
Wealthfront Advisers LLC9,436$3.07M0.01%−1,606−14.5%Reduced
Creative Planning9,291$3.02M0.00%+67+0.7%Added
Ethic Inc.9,224$3.00M0.21%+1,262+15.9%Added
South Dakota Investment Council9,133$2.97M0.06%−3,109−25.4%Reduced
Huntington National Bank9,095$2.96M0.03%−204−2.2%Reduced
Gofen & Glossberg LLC9,027$2.94M0.07%−175−1.9%Reduced
Crestline Management, LP9,000$2.93M0.37%+9,000New
Mitsubishi UFJ Asset Management (UK) Ltd.9,000$2.93M1.32%−2,000−18.2%Reduced
Verdence Capital Advisors LLC8,947$2.91M0.33%+775+9.5%Added
Kestra Advisory Services, LLC8,943$2.91M0.03%−960−9.7%Reduced
George Kaiser Family Foundation8,930$2.91M0.47%+2,327+35.2%Added
MV Capital Management, Inc.8,857$2.88M0.43%+103+1.2%Added
Capital Planning Advisors, LLC8,820$2.87M0.61%−126−1.4%Reduced
Advisor Partners LLC8,756$2.85M0.18%−176−2.0%Reduced
Pathstone Family Office, LLC7,993$2.85M0.07%−1,603−16.7%Reduced
Dixon Hubard Feinour & Brown Inc8,642$2.81M0.28%−356−4.0%Reduced
Allstate Corp8,631$2.81M0.08%−7,694−47.1%Reduced
Desjardins Global Asset Management Inc.8,599$2.80M0.24%−1,339−13.5%Reduced
Norinchukin Bank, The8,533$2.78M0.04%+1,219+16.7%Added
Union Heritage Capital, LLC8,500$2.77M1.54%00.0%Unchanged
Patton Fund Management, Inc.8,493$2.77M0.76%+8,493New
Atria Investments LLC8,458$2.75M0.05%+401+5.0%Added
Savant Capital, LLC8,390$2.73M0.09%−79−0.9%Reduced
Pekin Hardy Strauss, Inc.8,266$2.69M0.37%−150−1.8%Reduced
JustInvest LLC8,235$2.68M0.13%+3,568+76.5%Added
Meiji Yasuda Asset Management Co Ltd.8,226$2.68M0.15%−97−1.2%Reduced
Cerity Partners LLC8,926$2.67M0.04%−570−6.0%Reduced
Anchor Capital Advisors LLC8,141$2.65M0.06%−340−4.0%Reduced
Toroso Investments, LLC8,128$2.65M0.08%+601+8.0%Added
Group One Trading, L.P.8,033$2.62M0.06%−5,055−38.6%Reduced
Trexquant Investment LP8,013$2.61M0.12%+8,013New
Impax Asset Management Group plc7,855$2.56M0.01%+4+0.1%Added
Cubist Systematic Strategies, LLC7,818$2.55M0.02%−36,785−82.5%Reduced
TownSquare Capital, LLC7,683$2.50M0.06%+1,103+16.8%Added
Sompo Asset Management Co., Ltd.7,680$2.50M0.54%−1,980−20.5%Reduced
Regentatlantic Capital LLC7,592$2.47M0.07%+1,032+15.7%Added
Madison Wealth Management7,371$2.40M0.51%+35+0.5%Added
Centiva Capital, LP7,344$2.39M0.14%+7,344New
Pure Financial Advisors, Inc.7,245$2.36M0.11%−5−0.1%Reduced
O'Shares Investment Advisers, LLC7,145$2.33M0.18%+399+5.9%Added
TD Private Client Wealth LLC7,077$2.30M0.10%+6,184+692.5%Added
CWM, LLC7,028$2.29M0.02%−519−6.9%Reduced
Arabesque Asset Management Ltd7,006$2.28M0.79%−3,150−31.0%Reduced
Triumph Capital Management6,949$2.26M0.98%00.0%Unchanged
Keybank National Association6,936$2.26M0.01%−328−4.5%Reduced
United Capital Financial Advisers, LLC6,937$2.26M0.01%−109−1.5%Reduced