WELLINGTON MANAGEMENT GROUP LLP

Position in AON — Aon plc

CIK 902219 Boston, MA

Position in AON

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

Position Value

$29,493,698

-$228,325 QoQ

Shares Held

91,374

+8.5% QoQ

Ownership

0.043%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Jun 2020

23 quarters on record

Voting authority Sole 0.ToString("F0")% Shared 85.6217304703745.ToString("F0")% None 14.378269529625495.ToString("F0")%

Financial Services · as of Mar 31, 2026

WELLINGTON MANAGEMENT GROUP LLP holds $3,610,708,630 across 6 Insurance Brokers names. AON ranks #3 (0.8% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	MRSH	Marsh & Mclennan Companies, Inc.	17,370,709	$3,012,949,472
2	AJG	Arthur J. Gallagher & Co.	2,583,359	$559,503,889
3	AON	Aon plc This page	91,374	$29,493,698
4	BRO	Brown & Brown, Inc.	93,263	$6,081,679
5	WTW	Willis Towers Watson PLC	6,729	$1,956,120
6	ERIE	Erie Indemnity Co	2,880	$723,772

23 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$29,493,698	91,374	+8.5%	Shares	Defined	2026-05-15
2025-12-31	$29,722,023	84,227	-81.1%	Shares	Defined	2026-02-17
2025-09-30	$158,752,266	445,208	-60.0%	Shares	Defined	2025-11-14
2025-06-30	$397,335,380	1,113,733	-9.4%	Shares	Defined	2025-08-14
2025-03-31	$490,634,057	1,229,382	+20257.4%	Shares	Defined	2025-05-13
2024-09-30	$2,089,433	6,039	+392.2%	Shares	Defined	2024-11-14
2024-06-30	$360,222	1,227	-71.5%	Shares	Defined	2024-08-14
2024-03-31	$1,434,662	4,299	-33.8%	Shares	Defined	2024-05-15
2023-12-31	$1,889,010	6,491	-35.6%	Shares	Defined	2024-02-12
2023-09-30	$3,266,515	10,075	+49.6%	Shares	Defined	2023-11-14
2023-06-30	$2,324,576	6,734	-20.2%	Shares	Defined	2023-08-14
2023-03-31	$2,659,155	8,434	-98.9%	Shares	Defined	2023-05-12
2022-12-31	$234,965,794	782,854	-41.8%	Shares	Defined	2023-02-13
2022-09-30	$360,022,901	1,344,021	-33.0%	Shares	Defined	2022-11-14
2022-06-30	$540,640,706	2,004,749	-23.2%	Shares	Defined	2022-08-15
2022-03-31	$849,719,757	2,609,464	-0.4%	Shares	Defined	2022-05-16
2021-12-31	$787,554,358	2,620,290	+3.0%	Shares	Defined	2022-02-11
2021-09-30	$726,995,732	2,543,989	+9.1%	Shares	Defined	2021-11-15
2021-06-30	$556,779,003	2,331,961	+162632.8%	Shares	Defined	2021-08-16
2021-03-31	$329,747	1,433	-99.3%	Shares	Defined	2021-05-17
2020-12-31	$40,423,767	191,337	-79.0%	Shares	Defined	2021-02-12
2020-09-30	$187,536,395	909,047	+6.4%	Shares	Defined	2020-11-16
2020-06-30	$164,566,492	854,447	—	Shares	Defined	2020-08-14
No filing history on record for this holder in this stock.