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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 2025

Institutional positions in Aon plc as of Mar 31, 2025. 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
1,276
+99 vs. Q4 2024
Shares held
193.6M
+2.23M (+1.2%) vs. Q4 2024
Total value
$77.1B
+$8.37B (+12.2%) vs. Q4 2024
New holders
168
469 more added
Sold out
69
398 more reduced

19 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2024: 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 2025: 1,276 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 2025: $77.1B
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 2025

Shares, value and share of portfolio for each institution holding Aon plc; share changes are against Q4 2024.

Institutions holding AON in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Evernest Financial Advisors, LLC1,998$797.4K0.29%+286+16.7%Added
Thompson Investment Management, Inc.2,000$798.2K0.12%00.0%Unchanged
Lantz Financial LLC2,001$798.6K0.22%+481+31.6%Added
Commerzbank Aktiengesellschaft2,008$802.0K0.02%+2,008New
We Are One Seven, LLC2,026$808.6K0.03%−671−24.9%Reduced
Sound View Wealth Advisors Group, LLC2,037$812.9K0.07%−10−0.5%Reduced
SummitTX Capital, L.P.2,043$815.3K0.04%+2,043New
WSFS Capital Management, LLC2,056$820.5K0.05%+2,056New
Chicago Capital, LLC2,058$821.3K0.02%+133+6.9%Added
Checchi Capital Advisers, LLC2,063$823.3K0.06%+9+0.4%Added
iA Global Asset Management Inc.2,074$828.0K0.01%+2,074New
Good Life Advisors, LLC2,083$831.3K0.06%−1,420−40.5%Reduced
Miracle Mile Advisors, LLC2,087$832.9K0.02%−212−9.2%Reduced
Act Two Investors LLC2,121$846.5K0.18%00.0%Unchanged
Old National Bancorp2,140$854.1K0.02%−336−13.6%Reduced
Hills Bank & Trust Co2,147$856.8K0.06%−6−0.3%Reduced
Founders Financial Alliance, LLC2,160$862.2K0.21%−2−0.1%Reduced
Prairie Sky Financial Group LLC2,172$866.8K0.51%00.0%Unchanged
Scientech Research LLC2,176$868.4K0.23%+2,176New
Ritholtz Wealth Management2,188$873.1K0.03%+420+23.8%Added
Aviso Financial Inc.2,195$876.0K0.04%−232−9.6%Reduced
Atria Wealth Solutions, Inc.2,202$878.6K0.01%+640+41.0%Added
Parallel Advisors, LLC2,203$879.4K0.02%−19−0.9%Reduced
V-Square Quantitative Management LLC2,222$886.8K0.13%−116−5.0%Reduced
R Squared Ltd2,230$890.0K0.95%+2,110+1,758.3%Added
Apollon Wealth Management, LLC2,236$892.4K0.02%+159+7.7%Added
SageView Advisory Group, LLC2,245$895.8K0.04%−60−2.6%Reduced
Valeo Financial Advisors, LLC2,263$903.1K0.03%+101+4.7%Added
Heritage Family Offices, LLP2,273$907.1K0.46%−678−23.0%Reduced
Permanens Capital L.P.2,279$909.5K0.17%−317−12.2%Reduced
Beverly Hills Private Wealth, LLC2,295$915.9K0.18%−231−9.1%Reduced
Redwood Wealth Management Group, LLC2,317$924.7K0.47%−301−11.5%Reduced
Painted Porch Advisors LLC2,325$927.9K0.39%00.0%Unchanged
D.A. Davidson & Co.2,327$928.7K0.01%+99+4.4%Added
Bangor Savings Bank2,333$931.1K0.09%−50−2.1%Reduced
Steward Partners Investment Advisory, LLC2,347$936.7K0.01%+540+29.9%Added
Value Partners Investments Inc.2,347$937.4K0.08%+862+58.0%Added
Los Angeles Capital Management LLC2,369$945.4K0.00%−5,189−68.7%Reduced
LeClair Wealth Partners LLC2,380$949.8K0.68%00.0%Unchanged
Moneta Group Investment Advisors LLC2,418$964.9K0.01%−12−0.5%Reduced
Covenant Partners, LLC2,454$979.4K0.32%00.0%Unchanged
Principal Securities, Inc.2,738$983.4K0.02%00.0%Unchanged
Trust Asset Management LLC2,467$984.6K0.08%+117+5.0%Added
Atomi Financial Group, Inc.2,468$984.9K0.04%+652+35.9%Added
Circle Wealth Management, LLC2,469$985.3K0.02%−780−24.0%Reduced
Two Sigma Securities, LLC2,492$994.5K0.15%+1,671+203.5%Added
Graypoint LLC2,496$996.0K0.06%+997+66.5%Added
Harbor Advisors LLC2,500$997.7K0.17%00.0%Unchanged
Tiaa Trust, National Association2,519$1.01M0.00%−279−10.0%Reduced
Envestnet Portfolio Solutions, Inc.2,530$1.01M0.00%−6,134−70.8%Reduced
Hartline Investment Corp2,542$1.01M0.14%−208−7.6%Reduced
Panagora Asset Management Inc2,558$1.02M0.01%−68−2.6%Reduced
Kayne Anderson Rudnick Investment Management LLC2,568$1.03M0.00%−282−9.9%Reduced
Connecticut Wealth Management, LLC2,582$1.03M0.05%−30−1.1%Reduced
Twelve Points Wealth Management LLC2,593$1.03M0.28%+66+2.6%Added
FourThought Financial Partners, LLC2,601$1.04M0.11%−88−3.3%Reduced
Secured Retirement Advisors, LLC2,622$1.05M0.67%+2,622New
Curated Wealth Partners LLC2,622$1.05M0.14%00.0%Unchanged
Joel Isaacson & Co., LLC2,638$1.05M0.05%+418+18.8%Added
Diversify Wealth Management, LLC3,030$1.06M0.08%+1,985+190.0%Added
Qtron Investments LLC2,688$1.07M0.16%+1,432+114.0%Added
Gsa Capital Partners LLP2,710$1.08M0.10%−1,661−38.0%Reduced
Websterrogers Financial Advisors, LLC2,713$1.08M0.37%00.0%Unchanged
King Luther Capital Management Corp2,739$1.09M0.01%−200−6.8%Reduced
Waterfront Wealth Inc.2,745$1.10M0.27%00.0%Unchanged
Oppenheimer & Co Inc2,786$1.11M0.02%+370+15.3%Added
Regal Investment Advisors LLC2,796$1.12M0.09%−14−0.5%Reduced
TD Private Client Wealth LLC2,796$1.12M0.03%−270−8.8%Reduced
Armor Investment Advisors, LLC2,823$1.13M0.47%−13−0.5%Reduced
Fortis Capital Advisors, LLC2,850$1.14M0.23%+2,850New
Intellectus Partners, LLC2,852$1.14M0.28%+1,870+190.4%Added
Mattern Capital Management, LLC2,879$1.15M0.15%+155+5.7%Added
Greenwood Gearhart Inc2,885$1.15M0.08%−1,511−34.4%Reduced
PFW Advisors LLC2,885$1.15M0.36%+6+0.2%Added
Signaturefd, LLC2,890$1.15M0.02%+165+6.1%Added
Jane Street Group, LLC2,899$1.16M0.00%+516+21.7%Added
Eqis Capital Management, Inc.2,908$1.16M0.10%−257−8.1%Reduced
Ameritas Investment Partners, Inc.2,923$1.17M0.04%−45−1.5%Reduced
Tectonic Advisors LLC2,949$1.18M0.07%+1,452+97.0%Added
Bridgewater Associates, LP2,976$1.19M0.01%−6,111−67.2%Reduced
RBF Capital, LLC3,000$1.20M0.08%00.0%Unchanged
Axq Capital, LP3,008$1.20M0.48%+3,008New
Profund Advisors LLC3,023$1.21M0.05%−168−5.3%Reduced
Sumitomo Life Insurance Co3,056$1.22M0.04%−4−0.1%Reduced
Pensionmark Financial Group, LLC3,076$1.23M0.03%+585+23.5%Added
U.S. Capital Wealth Advisors, LLC3,077$1.23M0.04%−615−16.7%Reduced
MOKAN Wealth Management Inc.3,086$1.23M0.74%+62+2.1%Added
Citrine Capital LLC3,100$1.24M0.77%00.0%Unchanged
Mather Group, LLC.3,101$1.24M0.01%+85+2.8%Added
Marble Harbor Investment Counsel, LLC3,125$1.25M0.14%00.0%Unchanged
Legacy Wealth Asset Management, LLC3,209$1.28M0.35%−34−1.0%Reduced
Sendero Wealth Management, LLC3,217$1.28M0.18%−1,322−29.1%Reduced
Guggenheim Capital LLC3,230$1.29M0.01%−816−20.2%Reduced
Duncker Streett & Co Inc3,289$1.31M0.26%00.0%Unchanged
Synovus Financial Corp3,309$1.32M0.02%−9,981−75.1%Reduced
Arthur M. Cohen & Associates, LLC3,370$1.34M0.26%−300−8.2%Reduced
Frank, Rimerman Advisors LLC3,384$1.35M0.11%+125+3.8%Added
ABN AMRO Bank N.V.3,402$1.35M0.02%00.0%Unchanged
LGT Group Foundation3,400$1.36M0.02%−25−0.7%Reduced
Horizon Investments, LLC3,500$1.39M0.04%+138+4.1%Added