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Aon shares owned by Custom Index Systems

Quarter-by-quarter ownership of Aon (AON) shares owned by Custom Index Systems from 13F filings

Historical chart of Custom Index Systems investment in Aon

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All positions including Aon held by Custom Index Systems consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Aon by Custom Index Systems

Quarter filed Position value Share count Share price at filing
2025-09-30 $295k 828 356.58
2025-06-30 $295k 828 356.76
2025-03-31 $285k 715 399.09

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View all positions for Custom Index Systems

Top funds holding Aon

Vanguard Group
BlackRock
Capital World Investors
Morgan Stanley
State Street Corporation
Massachusetts Financial Services
Geode Capital Management
HPS Investment Partners
Berkshire Hathaway
Bank of New York Mellon
Dodge & Cox
Jpmorgan Chase & Co
Mawer Investment Management
Polen Capital Management
Neuberger Berman Group

View all funds holding Aon