AON AON PLC

Ownership history in CENTRAL SECURITIES CORP  ·  35 quarters on record

This page tracks every 13F SEC filing in which CENTRAL SECURITIES CORP reported a position in AON PLC (AON). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.

Peak position
6.16% (2023 Q2)
Avg. % of fund
3.79%
First filed
1999 Q1
Last filed
2025 Q4
Quarters held
35
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q4 UNCHANGED 100,000 0% 2.84% $35.3M $352.88
2025 Q3 UNCHANGED 100,000 0% 2.94% $35.7M $356.58
2025 Q2 UNCHANGED 100,000 0% 3.15% $35.7M $356.01
2025 Q1 UNCHANGED 100,000 0% 3.80% $39.9M $397.42
31 older quarters hidden  —  Sign in free or upgrade to Premium to see full history
% of Fund (quarterly)    AON price (monthly, adj. close)
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