GROUP ONE TRADING LLC

Position in OMC — Omnicom Group Inc.

CIK 932540 CHICAGO, IL

Position in OMC

as of Mar 31, 2026 · filed May 13, 2026 Compact

Position Value

$992,962

+$862,955 QoQ

Shares Held

13,185

+718.9% QoQ

Ownership

0.005%

of shares outstanding

% of Portfolio

0.04%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

11 quarters on record

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

Communication Services · as of Mar 31, 2026

GROUP ONE TRADING LLC holds $5,727,994 across 13 Advertising Agencies names. OMC ranks #3 (17.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	APP	AppLovin Corp	5,573	$2,218,054
2	TTD	Trade Desk, Inc.	58,112	$1,318,561
3	OMC	Omnicom Group Inc. This page	13,185	$992,962
4	STGW	Stagwell Inc	95,222	$598,946
5	MGNI	Magnite, Inc.	24,999	$296,988
6	WPP	WPP plc	17,962	$279,309
7	NEXN	Nexxen International Ltd.	1,200	$7,824
8	EVC	Entravision Communications Corp	2,200	$6,534

11 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
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.