GROUP ONE TRADING LLC

Position in AON — Aon plc

CIK 932540 CHICAGO, IL

Position in AON

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$66,338

+$47,989 QoQ

Shares Held

200

+284.6% QoQ

Ownership

0.000%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#1,052

of 1,235 holders

Holding Since

Dec 2021

10 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Financial Services · as of Jun 30, 2026

GROUP ONE TRADING LLC holds $234,015 across 6 Insurance Brokers names. AON ranks #3 (28.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	BRO	Brown & Brown, Inc.	1,203	$77,172
2	BWIN	Baldwin Insurance Group, Inc.	2,631	$69,931
3	AON	Aon plc This page	200	$66,338
4	WTW	Willis Towers Watson PLC	31	$8,102
5	SLQT	SelectQuote, Inc.	9,620	$8,090
6	EHTH	eHealth, Inc.	2,941	$4,382

10 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$66,338	200	+284.6%	Shares	Sole	2026-08-14
2025-12-31	$18,349	52	-98.6%	Shares	Sole	2026-02-12
2024-12-31	$1,343,617	3,741	+356.8%	Shares	Sole	2025-05-14
2024-09-30	$283,365	819	+7.6%	Shares	Sole	2024-11-14
2024-06-30	$223,414	761	-29.3%	Shares	Sole	2024-08-14
2023-09-30	$348,860	1,076	0.0%	Shares	Sole	2023-11-09
2023-06-30	$371,435	1,076	+346.5%	Shares	Sole	2023-08-09
2022-12-31	$72,333	241	-97.0%	Shares	Sole	2023-02-09
2022-03-31	$2,615,785	8,033	-38.6%	Shares	Sole	2022-05-12
2021-12-31	$3,933,729	13,088	—	Shares	Sole	2022-02-11
No filing history on record for this holder in this stock.