MORGAN STANLEY

Position in AON — Aon plc

CIK 895421 NEW YORK, NY

Back to AON Full portfolio

Position in AON

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$2,057,704,737

+$91,984,591 QoQ

Shares Held

6,374,945

+14.4% QoQ

Ownership

2.98%

of shares outstanding

% of Portfolio

0.17%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Jun 2020

24 quarters on record

Voting authority Sole 77.37480088063505.ToString("F0")% Shared 0.ToString("F0")% None 22.625199119364954.ToString("F0")%

Common Shares in AON Over Time

Shares Held

Position Value (USD)

Position in Insurance Brokers

Financial Services · as of Mar 31, 2026

MORGAN STANLEY holds $4,723,525,244 across 21 Insurance Brokers names. AON ranks #1 (43.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	AON	Aon plc This page	6,374,945	$2,057,704,737
2	MRSH	Marsh & Mclennan Companies, Inc.	6,473,992	$1,122,913,904
3	AJG	Arthur J. Gallagher & Co.	4,056,175	$878,486,374
4	WTW	Willis Towers Watson PLC	814,668	$236,823,979
5	BRO	Brown & Brown, Inc.	3,244,972	$211,604,616
6	ERIE	Erie Indemnity Co	457,757	$115,038,907
7	BWIN	Baldwin Insurance Group, Inc.	1,803,207	$39,562,358
8	CRVL	Corvel Corp	694,906	$37,976,607

All Filings in AON

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24 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$2,057,704,737	6,374,945	+14.4%	Shares	Defined	2026-05-15
2025-12-31	$1,965,720,146	5,570,506	-9.2%	Shares	Defined	2026-05-27
2025-09-30	$2,188,112,507	6,136,386	-35.2%	Shares	Defined	2026-05-27
2025-06-30	$3,377,593,896	9,467,412	+8.5%	Shares	Defined	2025-08-15
2025-03-31	$3,482,580,652	8,726,304	+4.1%	Shares	Defined	2025-05-15
2024-12-31	$3,011,298,355	8,384,281	+3.2%	Shares	Defined	2025-05-15
2024-09-30	$2,810,143,573	8,122,037	-1.0%	Shares	Defined	2025-05-14
2024-06-30	$2,408,904,624	8,205,275	+13.7%	Shares	Defined	2025-05-14
2024-03-31	$2,407,579,881	7,214,371	+16.5%	Shares	Defined	2024-10-17
2023-12-31	$1,801,444,056	6,190,104	+7.5%	Shares	Defined	2024-08-16
2023-09-30	$1,867,484,494	5,759,930	-1.4%	Shares	Defined	2023-11-15
2023-06-30	$2,017,142,363	5,843,402	+4.7%	Shares	Defined	2023-08-14
2023-03-31	$1,759,317,244	5,579,997	+151.0%	Shares	Defined	2023-05-15
2022-12-31	$667,354,679	2,223,478	+38.7%	Shares	Defined	2023-02-14
2022-09-30	$429,505,700	1,603,411	+3.3%	Shares	Defined	2022-11-14
2022-06-30	$418,744,806	1,552,747	+90.0%	Shares	Defined	2022-10-27
2022-03-31	$266,125,345	817,263	-15.5%	Shares	Defined	2022-10-27
2021-12-31	$290,740,400	967,329	+27.3%	Shares	Defined	2022-02-14
2021-09-30	$217,192,055	760,024	-12.9%	Shares	Defined	2021-11-15
2021-06-30	$208,325,020	872,529	+50.8%	Shares	Defined	2021-08-23
2021-03-31	$133,183,983	578,784	-19.3%	Shares	Defined	2021-05-17
2020-12-31	$151,456,712	716,887	+19.0%	Shares	Defined	2021-02-16
2020-09-30	$124,254,900	602,302	+17.4%	Shares	Defined	2020-11-13
2020-06-30	$98,819,782	513,083	—	Shares	Defined	2020-08-14
No filing history on record for this holder in this stock.