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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 2024

Institutional positions in Aon plc as of Dec 31, 2024. 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
1,196
+61 vs. Q3 2024
Shares held
192.5M
+2.06M (+1.1%) vs. Q3 2024
Total value
$69.1B
+$3.12B (+4.7%) vs. Q3 2024
New holders
143
418 more added
Sold out
82
408 more reduced

14 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2024: 1,196 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 heldQ4 2024: $69.1B
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, Q4 2024

Shares, value and share of portfolio for each institution holding Aon plc; share changes are against Q3 2024.

Institutions holding AON in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Worldquant Millennium Advisors LLC0$00.00%−78,461−100.0%Sold out
Weiss Asset Management LP0$00.00%−60,068−100.0%Sold out
Boussard & Gavaudan Investment Management LLP0$00.00%−34,764−100.0%Sold out
Lighthouse Investment Partners, LLC0$00.00%−23,301−100.0%Sold out
Quantbot Technologies LP0$00.00%−20,652−100.0%Sold out
Troluce Capital Advisors LLC0$00.00%−13,954−100.0%Sold out
Quadrature Capital Ltd0$00.00%−12,157−100.0%Sold out
Waters Parkerson & Co., LLC0$00.00%−8,048−100.0%Sold out
Lakeview Capital Partners, LLC0$00.00%−7,858−100.0%Sold out
Aigen Investment Management, LP0$00.00%−6,318−100.0%Sold out
Walleye Capital LLC0$00.00%−6,302−100.0%Sold out
Veriti Management LLC0$00.00%−6,196−100.0%Sold out
Wellington Management Group LLP0$00.00%−6,039−100.0%Sold out
Bain Capital Public Equity, LP0$00.00%−5,851−100.0%Sold out
Ashton Thomas Securities, LLC0$00.00%−5,144−100.0%Sold out
Kingswood Wealth Advisors, LLC0$00.00%−4,953−100.0%Sold out
Virtu Financial LLC0$00.00%−4,870−100.0%Sold out
Taikang Asset Management (Hong Kong) Co Ltd0$00.00%−4,754−100.0%Sold out
AlphaStar Capital Management, LLC0$00.00%−3,520−100.0%Sold out
DoubleLine ETF Adviser LP0$00.00%−3,342−100.0%Sold out
Fox Run Management, L.L.C.0$00.00%−2,932−100.0%Sold out
nVerses Capital, LLC0$00.00%−2,800−100.0%Sold out
Inceptionr LLC0$00.00%−2,611−100.0%Sold out
SRN Advisors, LLC0$00.00%−2,581−100.0%Sold out
Advisory Services Network, LLC0$00.00%−2,604−100.0%Sold out
Retireful, LLC0$00.00%−2,195−100.0%Sold out
Friedenthal Financial0$00.00%−2,179−100.0%Sold out
iA Global Asset Management Inc.0$00.00%−2,051−100.0%Sold out
Buckingham Strategic Partners0$00.00%−2,011−100.0%Sold out
Blueshift Asset Management, LLC0$00.00%−1,850−100.0%Sold out
Dark Forest Capital Management LP0$00.00%−1,661−100.0%Sold out
Prospera Financial Services Inc0$00.00%−1,660−100.0%Sold out
Elyxium Wealth, LLC0$00.00%−1,389−100.0%Sold out
World Equity Group, Inc.0$00.00%−1,337−100.0%Sold out
Twinbeech Capital LP0$00.00%−1,224−100.0%Sold out
Atom Investors LP0$00.00%−1,046−100.0%Sold out
Robertson Stephens Wealth Management, LLC0$00.00%−1,002−100.0%Sold out
MBB Public Markets I LLC0$00.00%−990−100.0%Sold out
Gladius Capital Management LP0$00.00%−981−100.0%Sold out
Northwest & Ethical Investments L.P.0$00.00%−955−100.0%Sold out
Mainstay Capital Management LLC0$00.00%−915−100.0%Sold out
Catalyst Funds Management Pty Ltd0$00.00%−900−100.0%Sold out
Autumn Glory Partners, LLC0$00.00%−891−100.0%Sold out
Hallmark Capital Management Inc0$00.00%−886−100.0%Sold out
Navellier & Associates Inc0$00.00%−855−100.0%Sold out
LVW Advisors, LLC0$00.00%−790−100.0%Sold out
Atlanta Consulting Group Advisors, LLC0$00.00%−759−100.0%Sold out
Goodman Advisory Group, LLC0$00.00%−736−100.0%Sold out
Morningstar Investment Services LLC0$00.00%−724−100.0%Sold out
Park National Corp0$00.00%−703−100.0%Sold out
Marathon Capital Management0$00.00%−700−100.0%Sold out
Centiva Capital, LP0$00.00%−661−100.0%Sold out
Ameritas Advisory Services, LLC0$00.00%−658−100.0%Sold out
Paloma Partners Management Co0$00.00%−649−100.0%Sold out
Bay Colony Advisory Group, Inc d/b/a Bay Colony Advisors0$00.00%−613−100.0%Sold out
180 Wealth Advisors, LLC0$00.00%−609−100.0%Sold out
Flagship Harbor Advisors, LLC0$00.00%−604−100.0%Sold out
Rockland Trust Co0$00.00%−602−100.0%Sold out
Journey Strategic Wealth LLC0$00.00%−595−100.0%Sold out
Magellan Asset Management Ltd0$00.00%−492−100.0%Sold out
NBC Securities, Inc.0$00.00%−388−100.0%Sold out
Andra AP-fonden0$00.00%−227−100.0%Sold out
IMA Wealth, Inc.0$00.00%−222−100.0%Sold out
DSM Capital Partners LLC0$00.00%−181−100.0%Sold out
Quarry LP0$00.00%−154−100.0%Sold out
DAGCO, Inc.0$00.00%−150−100.0%Sold out
Baldwin Brothers Inc0$00.00%−125−100.0%Sold out
Accent Capital Management, LLC0$00.00%−101−100.0%Sold out
Louisbourg Investments Inc.0$00.00%−93−100.0%Sold out
Redmont Wealth Advisors LLC0$00.00%−64−100.0%Sold out
Jaffetilchin Investment Partners, LLC0$00.00%−55−100.0%Sold out
Crewe Advisors LLC0$00.00%−39−100.0%Sold out
Capital Performance Advisors LLP0$00.00%−27−100.0%Sold out
Financial Network Wealth Advisors LLC0$00.00%−8−100.0%Sold out
Reuter James Wealth Management, LLC0$00.00%−7−100.0%Sold out
Reston Wealth Management LLC0$00.00%−3−100.0%Sold out
Voisard Asset Management Group, Inc.0$00.00%−3−100.0%Sold out
1620 Investment Advisors, Inc.0$00.00%−2−100.0%Sold out
Raymond James & Associates––––Not filed
Raymond James Financial Services Advisors, Inc.––––Not filed
SpiderRock Advisors, LLC––––Not filed
Banque Cantonale Vaudoise––––Not filed
Raymond James Trust N.A.––––Not filed
First Trust Investment Solutions L.P.––––Not filed
Alera Investment Advisors, LLC––––Not filed
Brophy Wealth Management, LLC––––Not filed
Alpine Bank Wealth Management––––Not filed
First Personal Financial Services––––Not filed
Planning Capital Management Corp––––Not filed
FinTrust Capital Advisors, LLC––––Not filed
Carmichael Hill & Associates, Inc.––––Not filed
ClariVest Asset Management LLC––––Not filed