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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
+24 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
139
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: 1,025 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 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 20261,266$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 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
LGT Group Foundation3,400$1.13M0.01%−2−0.1%Reduced
ABN AMRO Bank N.V.3,402$1.13M0.01%00.0%Unchanged
Harbor Capital Advisors, Inc.3,423$1.14M0.08%+7+0.2%Added
Novem Group3,425$1.14M0.12%+3,425New
Baldwin Investment Management, LLC3,445$1.14M0.11%+2,545+282.8%Added
Beacon Pointe Advisors, LLC3,449$1.14M0.01%−2,450−41.5%Reduced
AustralianSuper Pty Ltd3,454$1.15M0.00%+3,454New
Y-Intercept (Hong Kong) Ltd3,478$1.15M0.02%+3,478New
Canton Hathaway, LLC3,500$1.16M0.22%00.0%Unchanged
First American Bank3,540$1.17M0.07%00.0%Unchanged
Canandaigua National Bank & Trust Co3,540$1.17M0.10%+3,540New
HF Advisory Group, LLC3,638$1.21M0.37%+2,899+392.3%Added
Greenland Capital Management LP3,650$1.21M0.23%−675−15.6%Reduced
Chicago Capital, LLC3,675$1.22M0.03%+552+17.7%Added
Dorsey & Whitney Trust CO LLC3,684$1.22M0.06%+134+3.8%Added
NorthRock Partners, LLC3,711$1.23M0.02%+28+0.8%Added
Tower Research Capital LLC (TRC)3,783$1.25M0.03%−5,403−58.8%Reduced
LGT Fund Management Co Ltd.3,818$1.27M0.05%00.0%Unchanged
Catalyst Funds Management Pty Ltd3,840$1.27M0.07%+3,840New
Accredited Investors Inc.3,868$1.28M0.06%−199−4.9%Reduced
Kampmann Melissa S.3,900$1.29M0.98%−3,455−47.0%Reduced
Highland Capital Management, LLC3,900$1.29M0.06%+50+1.3%Added
Ellis Investment Partners, LLC3,902$1.29M0.20%−10.0%Reduced
V-Square Quantitative Management LLC3,913$1.30M0.12%+2,108+116.8%Added
Bull Harbor Capital LLC3,948$1.31M0.26%+2,033+106.2%Added
Personal Cfo Solutions, LLC3,993$1.32M0.19%−2,338−36.9%Reduced
Vestcor Inc4,010$1.33M0.03%00.0%Unchanged
Diversify Wealth Management, LLC3,644$1.34M0.02%−985−21.3%Reduced
Diversify Advisory Services, LLC3,644$1.34M0.02%+2,837+351.5%Added
Waddell & Associates, LLC4,050$1.34M0.07%+2,475+157.1%Added
Logan Capital Management Inc4,062$1.35M0.05%+4,062New
Chesley Taft & Associates LLC4,081$1.35M0.05%+8+0.2%Added
Principal Securities, Inc.4,140$1.37M0.02%+811+24.4%Added
Warren Averett Asset Management, LLC4,162$1.38M0.01%−17,911−81.1%Reduced
Private Wealth Asset Management, LLC4,183$1.39M0.13%−50−1.2%Reduced
Pallas Capital Advisors LLC4,193$1.39M0.04%+1,889+82.0%Added
Applied Finance Capital Management, LLC4,196$1.39M0.10%+4,196New
Dynasty Wealth Management, LLC4,262$1.41M0.01%+278+7.0%Added
Arkadios Wealth Advisors4,308$1.43M0.02%−26−0.6%Reduced
Enterprise Financial Services Corp4,360$1.45M0.59%−37−0.8%Reduced
Huntington National Bank4,389$1.46M0.01%+503+12.9%Added
Biltmore Family Office, LLC4,423$1.47M0.19%+181+4.3%Added
Syon Capital LLC4,441$1.47M0.06%−148−3.2%Reduced
Krilogy Financial LLC4,460$1.48M0.04%+2,465+123.6%Added
LMR Partners LLP4,490$1.49M0.01%+4,490New
Modern Wealth Management, LLC4,497$1.49M0.02%+1,947+76.4%Added
Buckingham Strategic Partners4,503$1.49M0.01%+656+17.1%Added
Kayne Anderson Rudnick Investment Management LLC4,536$1.50M0.00%+4,127+1,009.0%Added
FSB Premier Wealth Management, Inc.4,591$1.52M0.43%+4,591New
Aster Capital Management (DIFC) Ltd4,703$1.56M0.33%+3,791+415.7%Added
Quadrant Capital Group LLC4,766$1.58M0.04%+61+1.3%Added
Argent Trust Co4,767$1.58M0.05%+85+1.8%Added
Mattern Capital Management, LLC4,798$1.59M0.19%+682+16.6%Added
Plato Investment Management Ltd4,832$1.59M0.09%00.0%Unchanged
Mesirow Financial Investment Management, Inc.4,859$1.61M0.03%−38−0.8%Reduced
We Are One Seven, LLC4,870$1.62M0.03%+81+1.7%Added
Oppenheimer Asset Management Inc.4,871$1.62M0.02%−21,521−81.5%Reduced
Delta Global Management LP4,884$1.62M0.18%+4,884New
Verdence Capital Advisors LLC4,916$1.63M0.09%−2,715−35.6%Reduced
Auxier Asset Management4,922$1.63M0.22%+700+16.6%Added
Salvus Wealth Management, LLC4,935$1.64M0.92%−1,782−26.5%Reduced
Vise Technologies, Inc.4,945$1.64M0.02%+1,611+48.3%Added
Brown Advisory Inc4,949$1.64M0.00%−604−10.9%Reduced
Triumph Capital Management4,953$1.64M0.30%+10.0%Added
CAPROCK Group, Inc.4,989$1.65M0.03%−52−1.0%Reduced
Cohen Klingenstein LLC5,000$1.66M0.05%00.0%Unchanged
Farther Finance Advisors, LLC5,005$1.66M0.01%+1,151+29.9%Added
Coldstream Capital Management Inc5,022$1.67M0.02%+35+0.7%Added
Patriot Financial Group Insurance Agency, LLC5,053$1.68M0.17%+5,053New
Snowden Capital Advisors LLC5,055$1.68M0.04%−19−0.4%Reduced
Exchange Traded Concepts, LLC5,114$1.70M0.01%+1,004+24.4%Added
Romano Brothers and Company5,121$1.70M0.17%+239+4.9%Added
Ossiam5,128$1.70M0.02%+144+2.9%Added
Welch Group, LLC5,148$1.71M0.06%00.0%Unchanged
Quantitative Investment Management, LLC5,174$1.72M0.19%−3,036−37.0%Reduced
Caldwell Trust Co5,200$1.72M0.14%00.0%Unchanged
Hurley Capital, LLC5,208$1.73M0.90%+5,058+3,372.0%Added
2Xideas AG5,311$1.76M0.76%−4,964−48.3%Reduced
Resources Investment Advisors, LLC.5,325$1.77M0.01%+114+2.2%Added
Value Partners Investments Inc.5,353$1.77M0.12%+840+18.6%Added
Waterfront Wealth Inc.4,979$1.78M0.28%+329+7.1%Added
TCW Group Inc5,447$1.81M0.01%+63+1.2%Added
Cache Advisors, LLC5,458$1.81M0.15%+3,285+151.2%Added
Anchor Capital Advisors LLC5,465$1.81M0.05%−473−8.0%Reduced
Kentucky Retirement Systems Insurance Trust Fund5,501$1.82M0.11%−25−0.5%Reduced
Banque Cantonale Vaudoise5,550$1.84M0.07%+1,231+28.5%Added
Cambria Investment Management, L.P.5,676$1.88M0.09%+1,543+37.3%Added
Allworth Financial LP5,799$1.92M0.01%+2,210+61.6%Added
Concurrent Investment Advisors, LLC5,805$1.93M0.02%+692+13.5%Added
Equitable Trust Co5,807$1.93M0.08%−54−0.9%Reduced
Dai-Ichi Life Insurance Company, Ltd5,834$1.94M0.05%00.0%Unchanged
Meeder Advisory Services, Inc.5,966$1.98M0.07%+365+6.5%Added
NewEdge Wealth, LLC5,982$1.98M0.02%−141−2.3%Reduced
K.J. Harrison & Partners Inc6,000$1.99M0.28%00.0%Unchanged
Private Advisor Group, LLC6,109$2.03M0.01%−3,033−33.2%Reduced
South Dakota Investment Council6,170$2.05M0.04%00.0%Unchanged
North Dakota State Investment Board6,243$2.07M0.08%+161+2.6%Added
Ancora Advisors, LLC6,282$2.08M0.04%+230+3.8%Added
Parkside Financial Bank & Trust6,283$2.08M0.14%+1,757+38.8%Added
Aire Advisors, LLC6,287$2.09M0.34%+14+0.2%Added