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Boston Common Asset Management, LLC

Position in AON — Aon plc

CIK 1409427 BOSTON, MA

Position in AON

as of Jun 30, 2026 · filed Jul 21, 2026
Position Value
$7,918,767
-$697,845 QoQ
Shares Held
23,874
-10.6% QoQ
Ownership
0.011%
of shares outstanding
% of Portfolio
0.55%
of 13F equity value
Holder Rank
#304
of 1,246 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 88% Shared 0% None 12%

Common Shares in AON Over Time

Shares Held

Position Value (USD)

Position in Insurance Brokers

Financial Services · as of Jun 30, 2026

Boston Common Asset Management, LLC holds $8,320,055 across 2 Insurance Brokers names. AON ranks #1 (95.2% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 AON
Aon plc
This page
23,874 $7,918,767

All Filings in AON

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $7,918,767 23,874
2026-03-31 $8,616,612 26,695
2025-12-31 $9,745,486 27,617
2025-09-30 $14,036,771 39,365
2025-06-30 $12,427,021 34,833
2025-03-31 $10,551,540 26,439
2024-12-31 $5,024,289 13,989
2024-09-30 $6,788,669 19,621
2024-06-30 $5,848,113 19,920
2024-03-31 $6,606,654 19,797
2023-12-31 $5,977,550 20,540
2023-09-30 $8,906,323 27,470
2023-06-30 $9,485,750 27,479
2023-03-31 $9,235,474 29,292
2022-12-31 $8,771,591 29,225
2022-09-30 $7,793,677 29,095
2022-06-30 $5,655,728 20,972
2022-03-31 $6,941,780 21,318
2021-12-31 $6,331,596 21,066
2021-09-30 $6,290,083 22,011
2021-06-30 $5,296,890 22,185
2021-03-31 $5,119,487 22,248
2020-12-31 $4,719,983 22,341
2020-09-30 $4,632,672 22,456
2020-06-30 $4,353,915 22,606
2020-03-31 $3,809,123 23,080