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Central Securities Corp

Broker-Dealer

Position in AON — Aon plc

CIK 18748 New York, NY

Position in AON

as of Mar 31, 2026 · filed May 8, 2026
Position Value
$25,822,400
-$9,465,600 QoQ
Shares Held
80,000
-20.0% QoQ
Ownership
0.038%
of shares outstanding
% of Portfolio
2.13%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Jun 2020
24 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in AON Over Time

Shares Held

Position Value (USD)

Position in Insurance Brokers

Financial Services · as of Mar 31, 2026

Central Securities Corp holds $64,255,700 across 3 Insurance Brokers names. AON ranks #2 (40.2% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 AON
Aon plc
This page
80,000 $25,822,400

All Filings in AON

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24 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $25,822,400 80,000
2025-12-31 $35,288,000 100,000
2025-09-30 $35,658,000 100,000
2025-06-30 $35,676,000 100,000
2025-03-31 $39,909,000 100,000
2024-12-31 $35,916,000 100,000
2024-09-30 $34,599,000 100,000
2024-06-30 $29,358,000 100,000
2024-03-31 $50,058,000 150,000
2023-12-31 $43,653,000 150,000
2023-09-30 $48,633,000 150,000
2023-06-30 $51,780,000 150,000
2023-03-31 $47,293,500 150,000
2022-12-31 $45,021,000 150,000
2022-09-30 $40,180,500 150,000
2022-06-30 $40,452,000 150,000
2022-03-31 $48,844,500 150,000
2021-12-31 $45,084,000 150,000
2021-09-30 $42,865,500 150,000
2021-06-30 $35,814,000 150,000
2021-03-31 $34,516,500 150,000
2020-12-31 $30,634,150 145,000
2020-09-30 $26,819,000 130,000
2020-06-30 $19,260,000 100,000