BROWN ADVISORY INC

Position in AON — Aon plc

CIK 1345929 BALTIMORE, MD

Position in AON

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

Position Value

$1,792,396

-$240,898 QoQ

Shares Held

5,553

-3.6% QoQ

Ownership

0.003%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Jun 2020

24 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Financial Services · as of Mar 31, 2026

BROWN ADVISORY INC holds $380,228,543 across 6 Insurance Brokers names. AON ranks #4 (0.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	AJG	Arthur J. Gallagher & Co.	1,580,307	$342,262,888
2	WTW	Willis Towers Watson PLC	75,163	$21,849,883
3	MRSH	Marsh & Mclennan Companies, Inc.	72,150	$12,514,416
4	AON	Aon plc This page	5,553	$1,792,396
5	ERIE	Erie Indemnity Co	6,052	$1,520,928
6	BRO	Brown & Brown, Inc.	4,417	$288,032

24 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$1,792,396	5,553	-3.6%	Shares	Defined	2026-05-15
2025-12-31	$2,033,294	5,762	-3.2%	Shares	Defined	2026-02-13
2025-09-30	$2,122,006	5,951	-10.7%	Shares	Defined	2025-11-14
2025-06-30	$2,377,448	6,664	+3.9%	Shares	Defined	2025-08-13
2025-03-31	$2,558,964	6,412	+2.4%	Shares	Defined	2025-04-30
2024-12-31	$2,249,418	6,263	-1.2%	Shares	Defined	2025-02-14
2024-09-30	$2,193,576	6,340	-3.2%	Shares	Defined	2024-11-13
2024-06-30	$1,922,948	6,550	+0.5%	Shares	Defined	2024-08-14
2024-03-31	$2,174,519	6,516	-2.6%	Shares	Defined	2024-04-24
2023-12-31	$1,946,631	6,689	+9.6%	Shares	Defined	2024-02-08
2023-09-30	$1,978,390	6,102	+0.1%	Shares	Defined	2023-10-25
2023-06-30	$2,104,339	6,096	+3.2%	Shares	Defined	2023-07-31
2023-03-31	$1,863,048	5,909	-28.1%	Shares	Defined	2023-05-08
2022-12-31	$2,466,849	8,219	+44.8%	Shares	Defined	2023-02-13
2022-09-30	$1,520,429	5,676	+10.3%	Shares	Defined	2022-11-14
2022-06-30	$1,387,772	5,146	-5.3%	Shares	Defined	2022-11-14
2022-03-31	$1,770,124	5,436	-46.4%	Shares	Defined	2022-11-14
2021-12-31	$3,050,984	10,151	+88.7%	Shares	Defined	2022-01-27
2021-09-30	$1,537,442	5,380	-14.4%	Shares	Defined	2021-11-12
2021-06-30	$1,500,845	6,286	-0.2%	Shares	Defined	2021-07-29
2021-03-31	$1,448,772	6,296	+1.5%	Shares	Defined	2021-05-14
2020-12-31	$1,310,929	6,205	+13.7%	Shares	Defined	2021-02-12
2020-09-30	$1,126,191	5,459	+3.5%	Shares	Defined	2020-11-16
2020-06-30	$1,015,386	5,272	—	Shares	Defined	2020-08-14
No filing history on record for this holder in this stock.