Aon plc - Class A Ordinary Shares (AON)

CUSIP: G0403H108

Q2 2025 13F Holders as of 30 Jun 2025

Type / Class
Equity / Class A Ordinary Shares
Shares outstanding
213,748,891
Total 13F shares
193,803,967
Share change
+2,509,564
Total reported value
$69,114,264,150
Put/Call ratio
86%
Price per share
$356.76
Number of holders
1,210
Value change
+$824,711,581
Number of buys
525
Number of sells
600

Security key

G0403H108

Report period

Q2 2025

Institutions

1,210

Top holders

10

Top shareholders of AON - Aon plc - Class A Ordinary Shares (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Holder Source Role / Reporting Ownership % Shares Holdings Value 12M Net Δ As of Details
MASSACHUSETTS FINANCIAL SERVICES CO /MA/
13F 13D/G
Company · Massachusetts Financial Services Company
4.6%
from 13D/G
9,832,327
$3,923,983,383 31 Mar 2025
Cheryl A. Francis
3/4/5
Director
0.01%
28,704
$10,148,288 26 Jun 2025
Jeffrey C. Campbell
3/4/5
Director
0.01%
12,031
$4,253,549 26 Jun 2025
Jin-Yong Cai
3/4/5
Director
0%
7,465
$2,639,383 26 Jun 2025
Byron Spruell
3/4/5
Director
0%
5,787
$2,045,983 26 Jun 2025
James G. Stavridis
3/4/5
Director
0%
5,639
$2,058,403 26 Jun 2025
Adriana Karaboutis
3/4/5
Director
0%
2,016
$712,746 26 Jun 2025
Sarah G. Smith
3/4/5
Director
0%
1,537
$543,568 26 Jun 2025
Jose Antonio Alvarez
3/4/5
Director
0%
867
$306,478 26 Jun 2025
VANGUARD GROUP INC
13F
Company
9.3%
19,778,451
$7,893,382,010 31 Mar 2025
13F
BlackRock, Inc.
13F
Company
7.1%
15,099,285
$6,025,973,629 31 Mar 2025
13F
Capital World Investors
13F
Company
5.7%
12,097,577
$4,827,970,224 31 Mar 2025
13F
STATE STREET CORP
13F
Company
4.3%
9,173,788
$3,661,252,106 31 Mar 2025
13F
MORGAN STANLEY
13F
Company
4.1%
8,726,304
$3,482,581,842 31 Mar 2025
13F
JPMORGAN CHASE & CO
13F
Company
2.6%
5,656,323
$2,257,382,211 31 Mar 2025
13F
GEODE CAPITAL MANAGEMENT, LLC
13F
Company
2.5%
5,414,557
$2,154,366,941 31 Mar 2025
13F
HPS Investment Partners, LLC
13F
Company
2%
4,339,759
$1,731,954,419 31 Mar 2025
13F
BERKSHIRE HATHAWAY INC
13F
Company
1.9%
4,100,000
$1,636,269,000 31 Mar 2025
13F
Mawer Investment Management Ltd.
13F
Company
1.5%
3,273,574
$1,306,450,647 31 Mar 2025
13F
Bank of New York Mellon Corp
13F
Company
1.4%
3,034,062
$1,210,863,781 31 Mar 2025
13F
POLEN CAPITAL MANAGEMENT LLC
13F
Company
1.4%
3,007,719
$1,200,350,430 31 Mar 2025
13F
EAGLE CAPITAL MANAGEMENT LLC
13F
Company
1.2%
2,623,489
$1,047,008,225 31 Mar 2025
13F
Mitsubishi UFJ Asset Management Co., Ltd.
13F
Company
1.1%
2,390,571
$954,052,980 31 Mar 2025
13F
NORTHERN TRUST CORP
13F
Company
1.1%
2,290,619
$914,163,136 31 Mar 2025
13F
LAZARD ASSET MANAGEMENT LLC
13F
Company
1%
2,240,955
$894,342,000 31 Mar 2025
13F
Neuberger Berman Group LLC
13F
Company
1%
2,136,107
$852,453,299 31 Mar 2025
13F
Artisan Partners Limited Partnership
13F
Company
1%
2,135,832
$852,389,193 31 Mar 2025
13F
Boston Partners
13F
Company
0.99%
2,121,607
$844,533,298 31 Mar 2025
13F
WCM INVESTMENT MANAGEMENT, LLC
13F
Company
0.96%
2,051,816
$809,543,995 31 Mar 2025
13F
BANK OF AMERICA CORP /DE/
13F
Company
0.87%
1,869,779
$746,210,257 31 Mar 2025
13F
Veritas Asset Management LLP
13F
Company
0.86%
1,839,697
$734,204,676 31 Mar 2025
13F
Capital International Investors
13F
Company
0.79%
1,681,579
$670,783,225 31 Mar 2025
13F
NORGES BANK
13F
Company
0.78%
1,665,948
$664,863,187 31 Mar 2025
13F
Sustainable Growth Advisers, LP
13F
Company
0.75%
1,592,962
$635,735,205 31 Mar 2025
13F
Independent Franchise Partners LLP
13F
Company
0.74%
1,583,221
$631,847,668 31 Mar 2025
13F
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main
13F
Company
0.69%
1,470,020
$586,670,281 31 Mar 2025
13F
Longview Partners (Guernsey) LTD
13F
Company
0.65%
1,381,341
$551,279,380 31 Mar 2025
13F
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
13F
Company
0.64%
1,370,523
$546,962,025 31 Mar 2025
13F
FARALLON CAPITAL MANAGEMENT LLC
13F
Company
0.64%
1,361,744
$378,337,320 31 Mar 2025
13F
MACKENZIE FINANCIAL CORP
13F
Company
0.63%
1,336,295
$533,301,972 31 Mar 2025
13F
Legal & General Group Plc
13F
Company
0.62%
1,321,194
$527,275,310 31 Mar 2025
13F
UBS Group AG
13F
Company
0.61%
1,305,499
$521,011,596 31 Mar 2025
13F
CANTILLON CAPITAL MANAGEMENT LLC
13F
Company
0.6%
1,283,548
$512,251,171 31 Mar 2025
13F
Nuveen, LLC
13F
Company
0.59%
1,265,651
$505,108,458 31 Mar 2025
13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F
Company
0.59%
1,253,997
$500,457,663 31 Mar 2025
13F
WELLINGTON MANAGEMENT GROUP LLP
13F
Company
0.58%
1,229,382
$490,634,063 31 Mar 2025
13F
DIAMOND HILL CAPITAL MANAGEMENT INC
13F
Company
0.57%
1,212,599
$483,936,160 31 Mar 2025
13F
Invesco Ltd.
13F
Company
0.54%
1,158,139
$462,201,455 31 Mar 2025
13F
GOLDMAN SACHS GROUP INC
13F
Company
0.53%
1,124,300
$448,697,185 31 Mar 2025
13F
FIL Ltd
13F
Company
0.5%
1,074,205
$428,704,474 31 Mar 2025
13F

Institutional Holders of Aon plc - Class A Ordinary Shares (AON) as of Q2 2025

As of 30 Jun 2025, Aon plc - Class A Ordinary Shares (AON) was held by 1,210 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 193,803,967 shares. The largest 10 holders included VANGUARD GROUP INC, BlackRock, Inc., Capital World Investors, MORGAN STANLEY, STATE STREET CORP, MASSACHUSETTS FINANCIAL SERVICES CO /MA/, GEODE CAPITAL MANAGEMENT, LLC, JPMORGAN CHASE & CO, HPS Investment Partners, LLC, and Berkshire Hathaway Inc. This page lists 1,214 institutional shareholders reporting positions in this security for the Q2 2025 filing period.
Investor Option Weight % Change % Value $ * Price Shares Share Change Activity Report Period

Compare Q2 2025 vs Q1 2025 Across Filers

Q1 2025 holders
1,253
Q2 2025 holders
1,210
Holder diff
-43
Investor Q1 2025 Shares Q2 2025 Shares Share Diff Share Chg % Q1 2025 Value $ Q2 2025 Value $ Value Diff $ Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
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