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Central Securities Corp

SEC CIK
0000018748
Latest filing
Aug 10, 2026

AON holding history

Aon plc in every 13F filed by Central Securities Corp, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

AON overviewAll 13F holders of AONFull Q2 2026 holdings

Shares (Q2 2026)
0
Sold out in Q2 2026
Value
$0
% of portfolio
0.0%
Quarters held
21
Since Q1 2021
Holdings of AON by Central Securities Corp, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20260$00.0%−80,000−100.0%Sold outHolders
Q1 202680,000$25.8M2.1%−20,000−20.0%ReducedHolders
Q4 2025100,000$35.3M2.8%00.0%UnchangedHolders
Q3 2025100,000$35.7M2.9%00.0%UnchangedHolders
Q2 2025100,000$35.7M3.1%00.0%UnchangedHolders
Q1 2025100,000$39.9M3.8%00.0%UnchangedHolders
Q4 2024100,000$35.9M3.4%00.0%UnchangedHolders
Q3 2024100,000$34.6M3.4%00.0%UnchangedHolders
Q2 2024100,000$29.4M2.9%−50,000−33.3%ReducedHolders
Q1 2024150,000$50.1M5.1%00.0%UnchangedHolders
Q4 2023150,000$43.7M4.7%00.0%UnchangedHolders
Q3 2023150,000$48.6M5.9%00.0%UnchangedHolders
Q2 2023150,000$51.8M6.2%00.0%UnchangedHolders
Q1 2023150,000$47.3M5.9%00.0%UnchangedHolders
Q4 2022150,000$45.0M5.8%00.0%UnchangedHolders
Q3 2022150,000$40.2M5.7%00.0%UnchangedHolders
Q2 2022150,000$40.5M5.4%00.0%UnchangedHolders
Q1 2022150,000$48.8M5.2%00.0%UnchangedHolders
Q4 2021150,000$45.1M4.5%00.0%UnchangedHolders
Q3 2021150,000$42.9M4.5%00.0%UnchangedHolders
Q2 2021150,000$35.8M3.7%00.0%UnchangedHolders
Q1 2021150,000$34.5M3.9%––Holders

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