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Aon shares owned by Westco Advisory Services

Quarter-by-quarter ownership of Aon (AON) shares owned by Westco Advisory Services from 13F filings

Historical chart of Westco Advisory Services investment in Aon

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All positions including Aon held by Westco Advisory Services consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Aon by Westco Advisory Services

Quarter filed Position value Share count Share price at filing
2026-03-31 $503k 1.6k 322.78
2025-12-31 $550k 1.6k 352.88

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View all positions for Westco Advisory Services

Top funds holding Aon

Vanguard Group
BlackRock
Vanguard Capital Management
Capital World Investors
State Street Corporation
Massachusetts Financial Services
Dodge & Cox
Morgan Stanley
Geode Capital Management
Vanguard Portfolio Management
Bank of New York Mellon
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main
Farallon Capital Management
Independent Franchise Partners
Mitsubishi UFJ Asset Management

View all funds holding Aon