Tom Gayner Aon PLC Transaction History

Markel Corp

$10.7 Billion
Q2 2025

A detailed history of Tom Gayner (Markel Corp) transactions in Aon PLC stock. As of the latest transaction made, Markel Corp holds 129,800 shares of AON stock, worth $47.4 Million. This represents 0.43% of its overall portfolio holdings.

Number of Shares

129,800

Previous 129,450 0.27%

Holding current value

$47.4 Million

Previous $51.7 Million 10.37%

% of portfolio

0.43%

Previous 0.5%

19 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q2 2025 Aug 01, 2025	BUY	$335.85 - $398.81 $117,547 - $139,583	350 Added 0.27%	129,800 $46.3 Million
Q1 2025 May 02, 2025	BUY	$348.44 - $409.32 $1.13 Million - $1.33 Million	3,250 Added 2.58%	129,450 $51.7 Million
Q4 2024 Feb 07, 2025	BUY	$344.14 - $393.31 $2.08 Million - $2.38 Million	6,050 Added 5.04%	126,200 $45.3 Million
Q3 2024 Nov 01, 2024	BUY	$293.16 - $351.06 $1.82 Million - $2.18 Million	6,200 Added 5.44%	120,150 $41.6 Million
Q2 2024 Aug 02, 2024	BUY	$275.82 - $329.64 $1.08 Million - $1.29 Million	3,900 Added 3.54%	113,950 $33.5 Million
Q1 2024 May 03, 2024	BUY	$288.02 - $333.79 $1.35 Million - $1.57 Million	4,700 Added 4.46%	110,050 $36.7 Million
Q4 2023 Feb 02, 2024	BUY	$288.19 - $335.32 $1.67 Million - $1.94 Million	5,800 Added 5.83%	105,350 $30.7 Million
Q3 2023 Nov 03, 2023	BUY	$314.14 - $343.21 $2.04 Million - $2.23 Million	6,500 Added 6.99%	99,550 $32.3 Million
Q2 2023 Aug 04, 2023	BUY	$308.29 - $345.2 $2 Million - $2.24 Million	6,500 Added 7.51%	93,050 $32.1 Million
Q1 2023 Apr 28, 2023	BUY	$285.85 - $325.99 $1.86 Million - $2.12 Million	6,500 Added 8.12%	86,550 $27.3 Million
Q4 2022 Feb 03, 2023	BUY	$270.81 - $310.02 $1.62 Million - $1.86 Million	6,000 Added 8.1%	80,050 $24 Million
Q3 2022 Nov 04, 2022	BUY	$267.1 - $302.57 $1.35 Million - $1.53 Million	5,050 Added 7.32%	74,050 $19.8 Million
Q2 2022 Aug 05, 2022	BUY	$248.5 - $333.61 $1.01 Million - $1.35 Million	4,050 Added 6.24%	69,000 $0
Q1 2022 Apr 29, 2022	BUY	$261.88 - $326.39 $1.79 Million - $2.24 Million	6,850 Added 11.79%	64,950 $0
Q4 2021 Feb 04, 2022	BUY	$285.28 - $321.08 $1.85 Million - $2.09 Million	6,500 Added 12.6%	58,100 $17.5 Million
Q3 2021 Nov 05, 2021	BUY	$226.79 - $299.17 $1.52 Million - $2 Million	6,700 Added 14.92%	51,600 $14.7 Million
Q2 2021 Aug 06, 2021	BUY	$229.52 - $258.52 $780,368 - $878,967	3,400 Added 8.19%	44,900 $10.7 Million
Q1 2021 Apr 30, 2021	BUY	$202.13 - $233.7 $909,585 - $1.05 Million	4,500 Added 12.16%	41,500 $9.55 Million
Q4 2020 Feb 05, 2021	BUY	$179.96 - $214.52 $6.66 Million - $7.94 Million	37,000 New	37,000 $7.82 Million

Others Institutions Holding AON

# of Institutions

1,388

Shares Held

191M

Call Options Held

426K

Put Options Held

374K

View Full List

About Aon plc

Ticker AON
Exchange NYSE
Sector Financial Services
Industry Insurance Brokers
Shares Outstandng 206,852,992
Market Cap $75.6B
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...

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