Omnicom Group (OMC) - Market capitalization

Market cap: $24.44 Billion USD

As of January 2026 Omnicom Group has a market cap of $24.44 Billion USD. This makes Omnicom Group the world's 985th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.

Market cap history of Omnicom Group from 1996 to 2026

End of year Market Cap

Year	Marketcap	Change
2026	$24.44 B	-3.74%
2025	$25.39 B	49.5%
2024	$16.98 B	-0.79%
2023	$17.12 B	2.94%
2022	$16.63 B	6.8%
2021	$15.57 B	16.16%
2020	$13.40 B	-23.77%
2019	$17.58 B	7.26%
2018	$16.39 B	-2.33%
2017	$16.78 B	-16.37%
2016	$20.07 B	10.7%
2015	$18.13 B	-5.11%
2014	$19.11 B	-0.24%
2013	$19.15 B	46.36%
2012	$13.08 B	6.43%
2011	$12.29 B	-5.95%
2010	$13.07 B	8.3%
2009	$12.07 B	44.31%
2008	$8.36 B	-45.09%
2007	$15.23 B	-13.39%
2006	$17.59 B	15.92%
2005	$15.17 B	-3.78%
2004	$15.77 B	-5.15%
2003	$16.62 B	36.88%
2002	$12.14 B	-28.67%
2001	$17.03 B	11.65%
2000	$15.25 B	-14.05%
1999	$17.74 B	81.51%
1998	$9.77 B	42.34%
1997	$6.86 B	86.69%
1996	$3.67 B

End of Day market cap according to different sources

On Jan 30th, 2026 the market cap of Omnicom Group was reported to be:

$14.86 Billion USD

by Nasdaq

$24.44 Billion USD

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Alliance Data ADS	$2.83 B	-88.40%	🇺🇸 USA
eBay EBAY	$41.68 B	70.52%	🇺🇸 USA
Interpublic Group IPG	$8.99 B	-63.19%	🇺🇸 USA
MDC Partners MDCA	$0.42 B	-98.26%	🇺🇸 USA
Lamar Advertising LAMR	$12.99 B	-46.84%	🇺🇸 USA
Clear Channel Outdoor CCO	$1.03 B	-95.75%	🇺🇸 USA

What is the market capitalization of a company?

The market capitalization sometimes referred as Marketcap, is the value of a publicly listed company.
In most cases it can be easily calculated by multiplying the share price with the amount of outstanding shares.

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Market capitalization of Omnicom Group (OMC)

Market cap: $24.44 Billion USD