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North Star Investment Management Corp.

Position in AON — Aon plc

CIK 1342857 CHICAGO, IL

Position in AON

as of Jun 30, 2026 · filed Jul 28, 2026
Position Value
$261,371
-$170,185 QoQ
Shares Held
788
-41.1% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#922
of 1,235 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 0% Shared 0% None 100%

Common Shares in AON Over Time

Shares Held

Position Value (USD)

Position in Insurance Brokers

Financial Services · as of Jun 30, 2026

North Star Investment Management Corp. holds $10,298,955 across 9 Insurance Brokers names. AON ranks #3 (2.5% of the industry book) .

# Ticker Company Shares Value (USD) Open
3 AON
Aon plc
This page
788 $261,371

All Filings in AON

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $261,371 788
2026-03-31 $431,556 1,337
2025-12-31 $477,093 1,352
2025-09-30 $476,390 1,336
2025-06-30 $476,274 1,335
2025-03-31 $532,785 1,335
2024-12-31 $490,253 1,365
2024-09-30 $471,930 1,364
2024-06-30 $400,443 1,364
2024-03-31 $463,537 1,389
2023-12-31 $404,226 1,389
2023-09-30 $450,341 1,389
2023-06-30 $479,482 1,389
2023-03-31 $532,524 1,689
2022-12-31 $626,692 2,088
2022-09-30 $557,973 2,083
2022-06-30 $561,743 2,083
2022-03-31 $678,287 2,083
2021-12-31 $656,122 2,183
2021-09-30 $623,835 2,183
2021-06-30 $614,329 2,573
2021-03-31 $526,721 2,289
2020-12-31 $483,597 2,289
2020-09-30 $513,480 2,489
2020-06-30 $479,381 2,489
2020-03-31 $423,162 2,564