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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, Q4 2023

Institutional positions in Aon plc as of Dec 31, 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
1,066
+35 vs. Q3 2023
Shares held
171.3M
−2.61M (−1.5%) vs. Q3 2023
Total value
$49.8B
−$6.57B (−11.6%) vs. Q3 2023
New holders
123
341 more added
Sold out
88
403 more reduced

17 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2023: 1,066 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 heldQ4 2023: $49.8B
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, Q4 2023

Shares, value and share of portfolio for each institution holding Aon plc; share changes are against Q3 2023.

Institutions holding AON in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Signal Advisors Wealth, LLC749$218.0K0.08%+749New
Oppenheimer & Co Inc753$219.1K0.00%−104−12.1%Reduced
Choate Investment Advisors753$219.1K0.01%+22+3.0%Added
Hollencrest Capital Management756$220.0K0.02%00.0%Unchanged
Independent Advisor Alliance758$220.6K0.01%−78−9.3%Reduced
Merit Financial Group, LLC764$222.3K0.01%+63+9.0%Added
Ausdal Financial Partners, Inc.765$222.7K0.03%−108−12.4%Reduced
Heritage Trust Co769$223.8K0.03%00.0%Unchanged
Horizon Financial Services, LLC771$224.4K0.16%+771New
Hallmark Capital Management Inc777$226.1K0.02%00.0%Unchanged
LMCG Investments, LLC778$226.4K0.01%+778New
Cedar Brook Financial Partners, LLC769$229.6K0.05%−107−12.2%Reduced
Inspire Advisors, LLC795$231.4K0.03%00.0%Unchanged
Connors Investor Services Inc800$233.0K0.03%00.0%Unchanged
Port Capital LLC800$233.0K0.01%+73+10.0%Added
Systematic Portfolios LLC805$234.3K0.71%+805New
StrategIQ Financial Group, LLC806$234.6K0.03%−1−0.1%Reduced
McLean Asset Management Corp812$235.2K0.09%−27−3.2%Reduced
FirstPurpose Wealth LLC815$237.2K0.09%−5−0.6%Reduced
River Wealth Advisors LLC815$237.2K0.04%+110+15.6%Added
SRS Capital Advisors, Inc.815$237.2K0.03%+289+54.9%Added
Everhart Financial Group, Inc.826$240.4K0.09%−50−5.7%Reduced
Paloma Partners Management Co828$241.0K0.04%+828New
Venture Visionary Partners LLC833$242.5K0.01%+65+8.5%Added
PDS Planning, Inc834$242.7K0.03%−7−0.8%Reduced
Benjamin F. Edwards & Company, Inc.847$246.0K0.00%+847New
Waterloo Capital, L.P.847$246.5K0.04%+847New
180 Wealth Advisors, LLC857$246.8K0.05%+202+30.8%Added
Hemenway Trust Co LLC850$247.4K0.02%00.0%Unchanged
Welch & Forbes LLC853$248.2K0.00%00.0%Unchanged
Center for Financial Planning, Inc.853$248.2K0.05%00.0%Unchanged
Navellier & Associates Inc855$248.8K0.04%00.0%Unchanged
Kohmann Bosshard Financial Services, LLC859$250.0K0.04%00.0%Unchanged
Wealthstream Advisors, Inc.863$251.2K0.10%+205+31.2%Added
Fayez Sarofim & Co807$252.2K0.00%−684−45.9%Reduced
Principal Securities, Inc.868$252.6K0.01%+868New
Hancock Whitney Corp869$252.9K0.01%−150−14.7%Reduced
Exchange Bank869$252.9K0.22%00.0%Unchanged
Greenspring Advisors, LLC870$253.2K0.07%00.0%Unchanged
Tilt Investment Management Holdings, PBC874$254.4K0.27%+874New
TRUE Private Wealth Advisors876$255.1K0.03%00.0%Unchanged
Central Trust Co881$256.4K0.01%−9−1.0%Reduced
Smith Group Asset Management, LLC882$256.7K0.01%+882New
Catalytic Wealth RIA, LLC882$256.7K0.12%+882New
Allstate Corp883$257.0K0.02%−77−8.0%Reduced
Retirement Planning Group889$258.8K0.02%+3+0.3%Added
Park National Corp891$259.3K0.01%00.0%Unchanged
FineMark National Bank & Trust896$260.8K0.01%+3+0.3%Added
Hilltop Holdings Inc.896$260.8K0.03%−13−1.4%Reduced
Paradigm Asset Management Co LLC900$261.9K0.07%00.0%Unchanged
Penobscot Investment Management Company, Inc.900$261.9K0.03%+50+5.9%Added
Westbourne Investment Advisors, Inc.900$262.0K0.10%00.0%Unchanged
Maverick Capital LtdSuperinvestorMaverick Capital904$263.1K0.01%+904New
Aspen Grove Capital, LLC907$263.4K0.08%−16−1.7%Reduced
Old Mission Investment Co LLC905$263.4K0.09%00.0%Unchanged
Cobblestone Capital Advisors LLC905$263.4K0.02%00.0%Unchanged
J.W. Cole Advisors, Inc.906$263.7K0.02%+63+7.5%Added
Mainstay Capital Management LLC915$266.3K0.05%00.0%Unchanged
Pioneer Trust Bank N A919$267.4K0.08%00.0%Unchanged
Sabal Trust CO920$267.7K0.02%−26−2.7%Reduced
Asset Dedication, LLC929$271.0K0.02%00.0%Unchanged
First National Bank of Hutchinson933$271.5K0.20%−340−26.7%Reduced
Belpointe Asset Management LLC956$278.2K0.02%+72+8.1%Added
EverSource Wealth Advisors, LLC959$279.2K0.03%+50+5.5%Added
Evernest Financial Advisors, LLC960$279.4K0.14%+960New
Smith Chas P & Associates Pa Cpas965$281.0K0.02%−35−3.5%Reduced
Gunn & Co Investment Management, Inc.965$281.0K0.02%+965New
V-Square Quantitative Management LLC967$281.4K0.07%00.0%Unchanged
Smith, Moore & Co.968$281.7K0.03%00.0%Unchanged
Fukoku Mutual Life Insurance Co974$283.5K0.02%00.0%Unchanged
Kidder Stephen W975$283.7K0.09%00.0%Unchanged
Proficio Capital Partners LLC978$284.5K0.04%−29−2.9%Reduced
Essex Financial Services, Inc.983$286.1K0.03%+43+4.6%Added
Symmetry Investments LP984$286.4K0.05%+984New
Cannell Peter B & Co Inc997$290.1K0.01%−525−34.5%Reduced
First National Bank of Omaha999$290.7K0.02%−100−9.1%Reduced
Optimum Investment Advisors1,000$291.0K0.15%00.0%Unchanged
Valley Brook Capital Group1,000$291.0K0.25%00.0%Unchanged
Abacus Planning Group, Inc.1,011$294.2K0.06%−22−2.1%Reduced
Legacy Financial Advisors, Inc.1,012$294.6K0.06%−135−11.8%Reduced
Mayflower Financial Advisors, LLC1,014$295.1K0.04%+14+1.4%Added
Main Street Research LLC1,022$297.4K0.02%−65,113−98.5%Reduced
J. W. Coons Advisors, LLC1,022$297.4K0.08%00.0%Unchanged
Inceptionr LLC1,024$298.0K0.21%+1,024New
KMG Fiduciary Partners, LLC1,025$298.3K0.03%−4−0.4%Reduced
CWA Asset Management Group, LLC1,025$298.3K0.02%+42+4.3%Added
National Asset Management, Inc.1,029$299.3K0.01%−583−36.2%Reduced
WMS Partners, LLC1,029$299.5K0.02%−818−44.3%Reduced
MPS Loria Financial Planners, LLC1,030$299.8K0.11%00.0%Unchanged
Trust Co of Oklahoma1,042$303.2K0.11%+66+6.8%Added
LVW Advisors, LLC1,045$304.1K0.06%+13+1.3%Added
Heritage Wealth Advisors1,053$306.4K0.02%00.0%Unchanged
Ellevest, Inc.1,054$306.7K0.02%−35−3.2%Reduced
IHT Wealth Management, LLC1,057$307.5K0.01%−58−5.2%Reduced
Ameritas Advisory Services, LLC1,019$307.7K0.02%+1,019New
Forum Financial Management, LP1,065$309.9K0.01%+7+0.7%Added
Essex LLC1,078$313.7K0.08%+379+54.2%Added
Catalyst Financial Partners LLC1,079$314.0K0.09%+47+4.6%Added
Pearl River Capital, LLC1,094$318.4K0.05%−4,779−81.4%Reduced
Bowen Hanes & Co Inc1,110$323.0K0.01%00.0%Unchanged