GROUP ONE TRADING LLC

Position in OMC — Omnicom Group Inc.

CIK 932540 CHICAGO, IL

Position in OMC

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

Position Value

$111,939

-$881,023 QoQ

Shares Held

1,537

-88.3% QoQ

Ownership

0.001%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#848

of 1,094 holders

Holding Since

Mar 2020

12 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Communication Services · as of Jun 30, 2026

GROUP ONE TRADING LLC holds $4,121,356 across 9 Advertising Agencies names. OMC ranks #5 (2.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	STGW	Stagwell Inc	349,035	$2,593,330
2	APP	AppLovin Corp	1,680	$865,586
3	WPP	WPP plc	19,062	$295,270
4	EVC	Entravision Communications Corp	13,699	$178,634
5	OMC	Omnicom Group Inc. This page	1,537	$111,939
6	ZD	Ziff Davis, Inc.	1,182	$61,901
7	LFTO	Liftoff Mobile, Inc.	600	$14,412
8	WIMI	WiMi Hologram Cloud Inc.	188	$283

12 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$111,939	1,537	-88.3%	Shares	Sole	2026-08-14
2026-03-31	$992,962	13,185	+718.9%	Shares	Sole	2026-05-13
2025-12-31	$130,007	1,610	-37.1%	Shares	Sole	2026-02-12
2025-03-31	$212,249	2,560	+4096.7%	Shares	Sole	2025-05-14
2024-06-30	$5,471	61	-90.6%	Shares	Sole	2024-08-14
2023-09-30	$48,486	651	+169.0%	Shares	Sole	2023-11-09
2022-09-30	$15,267	242	-96.9%	Shares	Sole	2022-11-09
2021-09-30	$563,159	7,772	-26.9%	Shares	Sole	2021-11-12
2021-06-30	$850,453	10,632	-23.1%	Shares	Sole	2021-08-10
2021-03-31	$1,025,494	13,830	+147.5%	Shares	Sole	2021-05-12
2020-09-30	$276,556	5,587	-46.0%	Shares	Sole	2020-11-12
2020-03-31	$568,050	10,347	—	Shares	Sole	2020-05-13
No filing history on record for this holder in this stock.