Skip to main content

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 2021

Institutional positions in Aon plc as of Mar 31, 2021. 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
919
No complete 13F data for Q4 2020
Shares held
223.5M
No complete 13F data for Q4 2020
Total value
$51.4B
No complete 13F data for Q4 2020

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 2021: 919 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 heldQ1 2021: $51.4B
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, Q1 2021

Shares, value and share of portfolio for each institution holding Aon plc.

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.

Institutions holding AON in Q1 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Achmea Investment Management B.V.8,389$1.93M0.07%––
Winton Group Ltd8,409$1.94M0.11%––
Duality Advisers, LP8,516$1.96M0.17%––
Cerity Partners LLC8,573$1.97M0.05%––
Capital Planning Advisors, LLC8,624$1.98M0.44%––
Allstate Corp8,631$1.99M0.06%––
Huntington National Bank8,861$2.04M0.02%––
D. E. Shaw & Co., Inc.8,972$2.06M0.00%––
Olstein Capital Management, L.P.9,000$2.07M0.29%––
Anchor Capital Advisors LLC9,014$2.07M0.04%––
Acadian Asset Management LLC9,136$2.10M0.01%––
Gofen & Glossberg LLC9,213$2.12M0.05%––
Advisor Partners LLC9,281$2.14M0.15%––
Pekin Hardy Strauss, Inc.9,469$2.18M0.34%––
Park Avenue Securities LLC9,482$2.18M0.05%––
Lee Capital Holdings LLC9,515$2.19M1.00%––
Ossiam9,546$2.20M0.07%––
Avitas Wealth Management LLC9,567$2.20M0.43%––
MidWestOne Financial Group, Inc.9,583$2.21M0.53%––
FDx Advisors, Inc.9,688$2.23M0.08%––
Game Creek Capital, LP9,702$2.23M1.33%––
Kestra Advisory Services, LLC9,827$2.26M0.03%––
FORA Capital, LLC9,867$2.27M0.75%––
K.J. Harrison & Partners Inc10,000$2.30M0.36%––
Engineers Gate Manager LP10,328$2.38M0.12%––
Walleye Trading LLC10,342$2.38M0.08%––
Rothschild Investment Corp10,431$2.40M0.21%––
WealthStone, Inc.10,454$2.40M0.84%––
Seascape Capital Management10,536$2.42M1.35%––
CWM, LLC10,167$2.43M0.02%––
Arthur M. Cohen & Associates, LLC11,114$2.45M0.56%––
MD Financial Management Inc.10,723$2.47M0.07%––
Captrust Financial Advisors10,730$2.47M0.03%––
Bradley Mark J.10,750$2.47M1.68%––
Holocene Advisors, LP10,858$2.50M0.02%––
Dynamic Technology Lab Private Ltd10,914$2.51M0.28%––
Rockefeller Capital Management L.P.10,950$2.52M0.02%––
Chesley Taft & Associates LLC10,897$2.55M0.15%––
MML Investors Services, LLC11,368$2.62M0.03%––
Ar Asset Management Inc11,618$2.67M0.80%––
Raymond James Financial Services Advisors, Inc.11,640$2.68M0.01%––
Pittenger & Anderson Inc12,000$2.76M0.15%––
Mariner, LLC12,144$2.79M0.02%––
New York Life Investments Alternatives12,239$2.82M1.97%––
Live Oak Private Wealth LLC12,615$2.90M0.71%––
Freestone Capital Holdings, LLC12,635$2.91M0.16%––
Applied Research Investments, LLC12,691$2.92M1.07%––
Highland Capital Management, LLC12,696$2.92M0.18%––
Diversified Trust Co12,725$2.93M0.11%––
Exchange Traded Concepts, LLC12,858$2.96M0.11%––
Gratus Capital LLC13,072$3.01M0.36%––
Pacer Advisors, Inc.13,239$3.05M0.05%––
Crossmark Global Holdings, Inc.13,260$3.05M0.08%––
Jasper Ridge Partners, L.P.13,388$3.08M0.14%––
Quantitative Investment Management, LLC13,415$3.09M0.26%––
Mount Yale Investment Advisors, LLC13,676$3.15M0.41%––
Kentucky Retirement Systems13,912$3.20M0.16%––
Louisiana State Employees Retirement System14,000$3.22M0.08%––
BBVA USA Bancshares, Inc.14,034$3.23M0.15%––
Alpha Omega Wealth Management LLC14,341$3.30M0.58%––
Meiji Yasuda Asset Management Co Ltd.14,363$3.31M0.24%––
New Mexico Educational Retirement Board14,445$3.32M0.13%––
South Dakota Investment Council14,672$3.38M0.06%––
Wolverine Trading, LLC14,662$3.40M0.07%––
Private Advisor Group, LLC14,908$3.43M0.03%––
ING Groep NV14,962$3.44M0.07%––
Beese Fulmer Investment Management, Inc.14,999$3.45M0.41%––
Global Frontier Investments LLC15,000$3.45M2.97%––
Harris Associates L PSuperinvestorHarris Associates (Oakmark)15,508$3.57M0.01%––
Goelzer Investment Management, Inc.15,593$3.59M0.32%––
Sumitomo Mitsui DS Asset Management Company, Ltd15,666$3.60M0.09%––
Cutler Group LP15,683$3.61M0.30%––
Mirae Asset Global Investments Co., Ltd.15,862$3.65M0.01%––
O'Shares Investment Advisers, LLC16,062$3.70M0.27%––
Elo Mutual Pension Insurance Co16,494$3.79M0.13%––
Nordea Investment Management AB16,581$3.82M0.01%––
TT International Asset Management LTD9,726$3.83M0.20%––
Van Eck Associates Corp16,661$3.83M0.01%––
SRN Advisors, LLC16,709$3.84M1.38%––
Cornerstone Advisors, LLC17,000$3.91M0.34%––
KWMG, LLC17,129$3.94M0.63%––
Tredje AP-fonden17,200$3.96M0.09%––
Maryland State Retirement & Pension System17,366$4.00M0.14%––
Baird Financial Group, Inc.17,397$4.00M0.01%––
Trexquant Investment LP17,568$4.04M0.37%––
Equitable Trust Co17,584$4.05M0.30%––
Tower Research Capital LLC (TRC)17,726$4.08M0.07%––
Birch Run Capital Advisors, LP17,800$4.10M1.57%––
Gotham Asset Management, LLC17,841$4.11M0.18%––
Regions Financial Corp18,893$4.35M0.04%––
Premier Fund Managers Ltd18,735$4.35M0.17%––
Mitsubishi UFJ Asset Management (UK) Ltd.19,000$4.37M1.93%––
PEAK6 Investments LLC19,068$4.39M0.11%––
Shufro Rose & Co LLC19,500$4.49M0.36%––
Securian Asset Management, Inc19,548$4.50M0.10%––
Richard Bernstein Advisors LLC19,866$4.57M0.10%––
Worldquant Millennium Advisors LLC19,939$4.59M0.10%––
Johnson Investment Counsel Inc20,149$4.64M0.07%––
Capital International Ltd20,441$4.70M0.28%––
Synovus Financial Corp21,049$4.84M0.05%––