JOHNSON INVESTMENT COUNSEL INC

Position in AON — Aon plc

CIK 821197 Cincinnati, OH

Position in AON

as of Jun 30, 2026 · filed Jul 23, 2026 Compact

Position Value

$4,892,427

+$62,348 QoQ

Shares Held

14,750

-1.4% QoQ

Ownership

0.007%

of shares outstanding

% of Portfolio

0.06%

of 13F equity value

Holder Rank

#355

of 1,247 holders

Holding Since

Jun 2020

25 quarters on record

Voting authority Sole 60% Shared 0% None 40%

Financial Services · as of Jun 30, 2026

JOHNSON INVESTMENT COUNSEL INC holds $149,570,865 across 4 Insurance Brokers names. AON ranks #3 (3.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	MRSH	Marsh & Mclennan Companies, Inc.	478,020	$79,671,593
2	WTW	Willis Towers Watson PLC	246,960	$64,547,935
3	AON	Aon plc This page	14,750	$4,892,427
4	AJG	Arthur J. Gallagher & Co.	1,999	$458,910

25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$4,892,427	14,750	-1.4%	Shares	Sole	2026-07-23
2026-03-31	$4,830,079	14,964	-13.7%	Shares	Sole	2026-05-04
2025-12-31	$6,121,762	17,348	-0.4%	Shares	Sole	2026-02-13
2025-09-30	$6,211,980	17,421	-3.7%	Shares	Sole	2025-11-06
2025-06-30	$6,454,145	18,091	+4.1%	Shares	Sole	2025-07-25
2025-03-31	$6,932,991	17,372	-0.2%	Shares	Sole	2025-04-21
2024-12-31	$6,252,975	17,410	+0.3%	Shares	Sole	2025-02-07
2024-09-30	$6,007,424	17,363	+0.1%	Shares	Sole	2024-11-04
2024-06-30	$5,094,493	17,353	+0.2%	Shares	Sole	2024-08-08
2024-03-31	$5,777,026	17,311	-2.1%	Shares	Sole	2024-05-09
2023-12-31	$5,146,106	17,683	-1.0%	Shares	Sole	2024-02-07
2023-09-30	$5,790,569	17,860	-1.4%	Shares	Sole	2023-11-13
2023-06-30	$6,252,952	18,114	-1.2%	Shares	Sole	2023-08-10
2023-03-31	$5,781,788	18,338	-5.0%	Shares	Sole	2023-05-15
2022-12-31	$5,796,003	19,311	+0.0%	Shares	Sole	2023-02-14
2022-09-30	$5,170,962	19,304	+0.0%	Shares	Sole	2022-11-14
2022-06-30	$5,204,554	19,299	-1.3%	Shares	Sole	2022-08-15
2022-03-31	$6,364,112	19,544	-2.2%	Shares	Sole	2022-05-11
2021-12-31	$6,006,391	19,984	-0.2%	Shares	Sole	2022-02-15
2021-09-30	$5,722,544	20,025	0.0%	Shares	Sole	2021-11-12
2021-06-30	$4,781,169	20,025	-0.6%	Shares	Sole	2021-08-13
2021-03-31	$4,636,486	20,149	-0.9%	Shares	Sole	2021-05-14
2020-12-31	$4,294,907	20,329	-1.6%	Shares	Sole	2021-02-12
2020-09-30	$4,264,221	20,670	-3.3%	Shares	Sole	2020-11-16
2020-06-30	$4,115,862	21,370	—	Shares	Sole	2020-08-13
No filing history on record for this holder in this stock.