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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 2023

Institutional positions in Aon plc as of Jun 30, 2023. 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
1,025
+19 vs. Q1 2023
Shares held
177.5M
+938.8K (+0.5%) vs. Q1 2023
Total value
$61.2B
+$5.56B (+10.0%) vs. Q1 2023
New holders
87
324 more added
Sold out
68
407 more reduced

8 institutions that held it in Q1 2023 haven't filed for Q2 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2023: 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 2023: 1,025 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 heldQ2 2023: $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, Q2 2023

Shares, value and share of portfolio for each institution holding Aon plc; share changes are against Q1 2023.

Institutions holding AON in Q2 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Ironvine Capital Partners, LLC114,941$39.7M4.82%−1,179−1.0%Reduced
Chevy Chase Trust Holdings, Inc.117,694$40.6M0.15%−1,865−1.6%Reduced
Spears Abacus Advisors LLC118,930$41.1M3.35%+1,347+1.1%Added
TCTC Holdings, LLC120,000$41.4M1.65%00.0%Unchanged
State of New Jersey Common Pension Fund D121,598$42.0M0.14%00.0%Unchanged
Swedbank AB122,802$42.4M0.07%+1,967+1.6%Added
GFI Investment Counsel Ltd.123,662$42.7M6.50%+123,662New
Public Employees Retirement System of Ohio124,976$43.1M0.17%+124,976New
Fiera Capital Corp128,093$44.2M0.13%−4,471−3.4%Reduced
Davis R M Inc128,910$44.5M1.07%−2,185−1.7%Reduced
AQR Capital Management LLC129,059$44.6M0.09%−6,195−4.6%Reduced
USS Investment Management Ltd130,631$45.1M0.54%+94,958+266.2%Added
KBC Group NV132,167$45.6M0.19%+11,539+9.6%Added
Gluskin Sheff & Assoc Inc140,468$48.5M2.94%−12,241−8.0%Reduced
Ycg, LLC142,067$49.0M4.37%−7,572−5.1%Reduced
Weitz Investment Management, Inc.SuperinvestorWeitz Investment Management144,650$49.9M2.66%−750−0.5%Reduced
APG Asset Management N.V.158,752$50.2M0.10%−56,000−26.1%Reduced
Central Securities Corp150,000$51.8M6.16%00.0%Unchanged
Bowie Capital Management, LLC153,144$52.9M6.89%+3,504+2.3%Added
Storebrand Asset Management AS156,245$53.9M0.25%+4,747+3.1%Added
Mitsubishi UFJ Trust & Banking Corp159,768$55.2M0.13%+5,193+3.4%Added
Obermeyer Wood Investment Counsel, LLLP172,654$59.6M4.29%−6,712−3.7%Reduced
Panagora Asset Management Inc174,626$60.3M0.36%+19,952+12.9%Added
Citigroup Inc176,145$60.8M0.08%−16,240−8.4%Reduced
Aviva PLC177,375$61.2M0.25%+5,701+3.3%Added
CIBC Asset Management Inc180,934$62.5M0.24%−1,139−0.6%Reduced
HM Payson & Co186,209$64.3M1.44%−6,833−3.5%Reduced
Permian Investment Partners, LP189,000$65.2M8.94%+189,000New
Stifel Financial Corp194,707$67.2M0.09%−4,041−2.0%Reduced
Pictet Asset Management SA196,908$68.0M0.08%+45,848+30.4%Added
Kovitz Investment Group Partners, LLC197,955$68.3M1.00%+36,596+22.7%Added
Raymond James & Associates198,104$68.4M0.06%−8,867−4.3%Reduced
James Hambro & Partners200,161$69.1M4.56%+3,237+1.6%Added
Korea Investment CORP204,645$70.6M0.20%−15,678−7.1%Reduced
New York State Teachers Retirement System211,894$73.1M0.16%−9,146−4.1%Reduced
Schroder Investment Management Group214,148$73.9M0.11%−23,254−9.8%Reduced
Davenport & Co LLC215,823$74.2M0.56%−5,609−2.5%Reduced
Vontobel Asset Management Inc217,062$74.9M0.50%+24,735+12.9%Added
State Board of Administration of Florida Retirement System219,313$75.7M0.17%−8,152−3.6%Reduced
Pensioenfonds Rail & Ov226,540$78.2M2.92%00.0%Unchanged
SEI Investments Co227,815$78.6M0.14%−33,249−12.7%Reduced
Nicholas Company, Inc.228,245$78.8M1.51%−14,905−6.1%Reduced
Broad Run Investment Management, LLC229,107$79.1M9.36%−20,872−8.3%Reduced
Polar Capital Holdings Plc230,000$79.4M0.54%−60,000−20.7%Reduced
Bank of Montreal231,471$80.0M0.05%−4,684−2.0%Reduced
UBS Group AG239,624$82.7M0.04%+59,902+33.3%Added
Envestnet Asset Management Inc245,199$84.6M0.04%−7,415−2.9%Reduced
Zurich Insurance Group Ltd255,900$88.3M0.92%+49,908+24.2%Added
Artemis Investment Management LLP262,945$90.7M1.16%+51,873+24.6%Added
Alliancebernstein L.P.269,901$93.2M0.04%+25,405+10.4%Added
CIBC World Markets Corp271,159$93.6M0.76%+14,677+5.7%Added
Chilton Investment Co LLC276,880$95.6M2.79%+7,306+2.7%Added
Gladstone Capital Management LLP302,608$104.5M11.51%+43,046+16.6%Added
Russell Investments Group, Ltd.320,179$110.5M0.21%−34,422−9.7%Reduced
Wells Fargo & Company327,923$113.2M0.03%−10,022−3.0%Reduced
California State Teachers Retirement System340,266$117.5M0.17%−9,912−2.8%Reduced
Frontier Capital Management Co LLC344,016$118.8M1.14%−211,049−38.0%Reduced
Haverford Trust Co350,870$121.1M1.37%+4,905+1.4%Added
Douglass Winthrop Advisors, LLC351,001$121.2M2.89%−435−0.1%Reduced
BloombergSen Inc.366,264$126.4M11.21%−14,961−3.9%Reduced
Omers Administration Corp373,137$128.8M2.00%00.0%Unchanged
Rhumbline Advisers382,851$132.2M0.15%+2,811+0.7%Added
Amundi395,821$134.1M0.07%+70,535+21.7%Added
Voya Investment Management LLC392,054$135.3M0.14%−275,691−41.3%Reduced
Credit Suisse AG392,705$135.6M0.14%+68,670+21.2%Added
Capital Group Private Client Services, Inc.398,204$137.5M1.62%−7,723−1.9%Reduced
New York State Common Retirement Fund409,372$141.3M0.18%+16,079+4.1%Added
Deutsche Bank AG444,521$153.4M0.08%+27,147+6.5%Added
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main457,320$157.9M0.25%−7,025−1.5%Reduced
Natixis Advisors, L.P.481,026$166.1M0.51%+9,373+2.0%Added
Vaughan Nelson Investment Management, L.P.485,623$167.6M1.86%+8,453+1.8%Added
Ensign Peak Advisors, Inc524,912$181.2M0.37%+16,359+3.2%Added
Sumitomo Mitsui Trust Holdings, Inc.526,989$181.9M0.14%−122,771−18.9%Reduced
First Trust Advisors LP543,868$187.7M0.21%+471,045+646.8%Added
Manufacturers Life Insurance Company, The584,330$201.7M0.11%+29,854+5.4%Added
Bessemer Group Inc589,082$203.3M0.43%−4,587−0.8%Reduced
JPMorgan Chase & Co598,348$206.5M0.02%−171,807−22.3%Reduced
Janus Henderson Group PLC666,465$230.0M0.14%−193,422−22.5%Reduced
Blair William & Co719,184$248.3M0.91%−6,987−1.0%Reduced
Swiss National Bank741,000$255.8M0.17%−80,000−9.7%Reduced
FIL Ltd743,825$256.8M0.29%+28,138+3.9%Added
First Pacific Advisors, LP749,842$258.8M3.78%−12,664−1.7%Reduced
Dimensional Fund Advisors LP754,961$260.6M0.08%−46,570−5.8%Reduced
Ameriprise Financial Inc782,493$270.1M0.08%−22,421−2.8%Reduced
C WorldWide Group Holding A/S787,282$271.8M3.51%+787,282New
Polen Capital Management LLC810,868$279.9M0.69%−13,636−1.7%Reduced
Farallon Capital Management, L.L.C.827,786$285.8M1.71%+23,100+2.9%Added
Royal Bank of Canada828,947$286.2M0.08%−54,028−6.1%Reduced
Barclays PLC831,903$287.2M0.19%+555,078+200.5%Added
Principal Financial Group Inc889,265$307.0M0.21%−27,260−3.0%Reduced
Norges Bank1,038,053$358.3M0.07%−97,958−8.6%Reduced
Charles Schwab Investment Management Inc1,047,011$361.4M0.10%−12,783−1.2%Reduced
California Public Employees Retirement System1,074,032$370.8M0.32%−107,699−9.1%Reduced
UBS Asset Management Americas Inc1,242,736$391.8M0.19%00.0%Unchanged
Price T Rowe Associates Inc1,139,433$393.3M0.05%−5,793−0.5%Reduced
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.1,199,585$414.1M0.86%+210,215+21.2%Added
Goldman Sachs Group Inc1,228,296$424.0M0.11%+256,672+26.4%Added
Cantillon Capital Management LLC1,254,848$433.2M3.03%+74,932+6.4%Added
Artisan Partners Limited Partnership1,304,422$450.3M0.72%−25,759−1.9%Reduced
Legal & General Group Plc1,445,241$498.9M0.16%−4,425−0.3%Reduced