William Von Mueffling Aon PLC Transaction History

Cantillon Capital Management LLC

$16.1 Billion
Q3 2025

A detailed history of William Von Mueffling (Cantillon Capital Management LLC) transactions in Aon PLC stock. As of the latest transaction made, Cantillon Capital Management LLC holds 1,233,741 shares of AON stock, worth $432 Million. This represents 2.73% of its overall portfolio holdings.

Number of Shares

1,233,741

Previous 1,247,354 1.09%

Holding current value

$432 Million

Previous $445 Million 1.14%

% of portfolio

2.73%

Previous 2.9%

22 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Oct 30, 2025	SELL	$350.91 - $375.27 $4.78 Million - $5.11 Million	-13,613 Reduced 1.09%	1,233,741 $440 Million
Q2 2025 Jul 30, 2025	SELL	$335.85 - $398.81 $12.2 Million - $14.4 Million	-36,194 Reduced 2.82%	1,247,354 $445 Million
Q1 2025 May 09, 2025	SELL	$348.44 - $409.32 $13.8 Million - $16.2 Million	-39,680 Reduced 3.0%	1,283,548 $512 Million
Q4 2024 Feb 05, 2025	BUY	$344.14 - $393.31 $2.41 Million - $2.76 Million	7,010 Added 0.53%	1,323,228 $475 Million
Q3 2024 Nov 07, 2024	BUY	$293.16 - $351.06 $52.2 Million - $62.5 Million	177,956 Added 15.63%	1,316,218 $455 Million

Q2 2024 Aug 05, 2024	SELL	$275.82 - $329.64 $16 Million - $19.1 Million	-57,928 Reduced 4.84%	1,138,262 $334 Million
Q1 2024 May 08, 2024	SELL	$288.02 - $333.79 $6.91 Million - $8.01 Million	-23,984 Reduced 1.97%	1,196,190 $399 Million
Q4 2023 Feb 07, 2024	SELL	$288.19 - $335.32 $8.59 Million - $9.99 Million	-29,793 Reduced 2.38%	1,220,174 $355 Million
Q3 2023 Nov 06, 2023	SELL	$314.14 - $343.21 $1.53 Million - $1.68 Million	-4,881 Reduced 0.39%	1,249,967 $405 Million
Q2 2023 Aug 09, 2023	BUY	$308.29 - $345.2 $23.1 Million - $25.9 Million	74,932 Added 6.35%	1,254,848 $433 Million
Q1 2023 May 04, 2023	SELL	$285.85 - $325.99 $5.91 Million - $6.74 Million	-20,670 Reduced 1.72%	1,179,916 $372 Million
Q4 2022 Feb 06, 2023	SELL	$270.81 - $310.02 $5.78 Million - $6.61 Million	-21,328 Reduced 1.75%	1,200,586 $360 Million
Q3 2022 Nov 03, 2022	SELL	$267.1 - $302.57 $3.07 Million - $3.47 Million	-11,477 Reduced 0.93%	1,221,914 $327 Million
Q2 2022 Aug 03, 2022	SELL	$248.5 - $333.61 $1.64 Million - $2.2 Million	-6,609 Reduced 0.53%	1,233,391 $333 Million
Q1 2022 May 03, 2022	BUY	$261.88 - $326.39 $9.4 Million - $11.7 Million	35,910 Added 2.98%	1,240,000 $404 Million
Q4 2021 Jan 27, 2022	SELL	$285.28 - $321.08 $25.4 Million - $28.6 Million	-89,052 Reduced 6.89%	1,204,090 $362 Million
Q3 2021 Oct 26, 2021	SELL	$226.79 - $299.17 $5.28 Million - $6.97 Million	-23,289 Reduced 1.77%	1,293,142 $370 Million
Q2 2021 Jul 27, 2021	SELL	$229.52 - $258.52 $4.72 Million - $5.31 Million	-20,543 Reduced 1.54%	1,316,431 $314 Million
Q1 2021 May 03, 2021	SELL	$202.13 - $233.7 $10 Million - $11.6 Million	-49,605 Reduced 3.58%	1,336,974 $308 Million
Q4 2020 Feb 03, 2021	SELL	$179.96 - $214.52 $1.64 Million - $1.95 Million	-9,090 Reduced 0.65%	1,386,579 $293 Million
Q3 2020 Oct 30, 2020	SELL	$190.17 - $209.73 $3.04 Million - $3.35 Million	-15,963 Reduced 1.13%	1,395,669 $288 Million
Q2 2020 Jul 31, 2020	BUY	$153.68 - $200.2 $217 Million - $283 Million	1,411,632 New	1,411,632 $272 Million

Others Institutions Holding AON

# of Institutions

1,422

Shares Held

188M

Call Options Held

795K

Put Options Held

146K

View Full List

About Aon plc

Ticker AON
Exchange NYSE
Sector Financial Services
Industry Insurance Brokers
Shares Outstandng 206,852,992
Market Cap $72.4B
Description
Aon plc, a professional services firm, provides advice and solutions to clients focused on risk, retirement, and health worldwide. It offers commercial risk solutions, including retail brokerage, cyber, and global risk consulting solutions, as well as acts as a captives management; and health solutions, such as health and benefits brokerages, an...

More about AON

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