GATEWAY INVESTMENT ADVISERS LLC

Position in AON — Aon plc

CIK 1114618 CINCINNATI, OH

Position in AON

as of Jun 30, 2026 · filed Jul 20, 2026 Compact

Position Value

$31,813,051

+$605,713 QoQ

Shares Held

95,912

-0.8% QoQ

Ownership

0.045%

of shares outstanding

% of Portfolio

0.33%

of 13F equity value

Holder Rank

#162

of 1,247 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Financial Services · as of Jun 30, 2026

GATEWAY INVESTMENT ADVISERS LLC holds $68,058,738 across 5 Insurance Brokers names. AON ranks #2 (46.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	AJG	Arthur J. Gallagher & Co.	151,193	$34,709,377
2	AON	Aon plc This page	95,912	$31,813,051
3	MRSH	Marsh & Mclennan Companies, Inc.	3,443	$573,844
4	WTW	Willis Towers Watson PLC	1,979	$517,251
5	ERIE	Erie Indemnity Co	1,857	$445,215

26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$31,813,051	95,912	-0.8%	Shares	Sole	2026-07-20
2026-03-31	$31,207,338	96,683	+3.2%	Shares	Sole	2026-04-13
2025-12-31	$33,063,444	93,696	+0.5%	Shares	Sole	2026-02-03
2025-09-30	$33,248,945	93,244	-0.1%	Shares	Sole	2025-10-21
2025-06-30	$33,309,967	93,368	-0.3%	Shares	Sole	2025-07-09
2025-03-31	$37,367,594	93,632	+0.1%	Shares	Sole	2025-04-11
2024-12-31	$33,590,079	93,524	-0.2%	Shares	Sole	2025-01-15
2024-09-30	$32,432,410	93,738	-0.1%	Shares	Sole	2024-10-10
2024-06-30	$27,540,739	93,810	-0.1%	Shares	Sole	2024-07-12
2024-03-31	$31,334,639	93,895	-0.0%	Shares	Sole	2024-04-12
2023-12-31	$27,326,195	93,898	-0.1%	Shares	Sole	2024-01-10
2023-09-30	$30,472,465	93,987	-0.4%	Shares	Sole	2023-10-19
2023-06-30	$32,590,332	94,410	-0.2%	Shares	Sole	2023-07-14
2023-03-31	$29,811,930	94,554	-1.8%	Shares	Sole	2023-04-11
2022-12-31	$28,889,975	96,255	-10.7%	Shares	Sole	2023-01-13
2022-09-30	$28,879,868	107,813	-1.3%	Shares	Sole	2022-10-07
2022-06-30	$29,447,437	109,194	+13.4%	Shares	Sole	2022-07-13
2022-03-31	$31,352,958	96,284	-7.8%	Shares	Sole	2022-04-14
2021-12-31	$31,381,770	104,411	-3.2%	Shares	Sole	2022-01-14
2021-09-30	$30,812,864	107,824	-0.1%	Shares	Sole	2021-10-22
2021-06-30	$25,768,173	107,925	-0.2%	Shares	Sole	2021-07-13
2021-03-31	$24,873,510	108,094	-0.0%	Shares	Sole	2021-04-14
2020-12-31	$22,839,554	108,106	-9.1%	Shares	Sole	2021-01-14
2020-09-30	$24,538,353	118,945	-9.7%	Shares	Sole	2020-10-19
2020-06-30	$25,360,990	131,677	-16.0%	Shares	Sole	2020-07-15
2020-03-31	$25,866,224	156,727	—	Shares	Sole	2020-04-13
No filing history on record for this holder in this stock.