What is Omnicom Group's market cap?

Omnicom Group (OMC) has a market capitalization of $15.71B as of June 12, 2026. Market cap is the total market value of the company's outstanding shares (share price × shares outstanding), shown here in US dollars (USD).

How is Omnicom Group's market cap calculated, and what currency is it in?

Market capitalization is calculated by multiplying Omnicom Group's share price by its total shares outstanding. Although Omnicom Group reports its financial statements in USD, market cap on this page is shown in US dollars (USD) for comparability with other companies.

What is the highest market cap Omnicom Group has reached?

Omnicom Group (OMC) reached its all-time high market cap of $21.12B on November 25, 2016, based on daily closing values in our history.

What is the lowest market cap Omnicom Group has reached?

Omnicom Group (OMC) recorded its all-time low market cap of $6.78B on March 9, 2009 in the available daily history.

Is Omnicom Group's market cap above or below its 5-year average?

At $15.71B, Omnicom Group's market cap is currently below its five-year average of $16.54B.

What was Omnicom Group's market cap in 2025?

Omnicom Group (OMC) ended 2025 with a market cap of $16.55B.

What was Omnicom Group's market cap in 2026?

Omnicom Group (OMC) ended 2026 with a market cap of $15.71B.

Omnicom Group (OMC) Market Cap History

Current

$15.71B

As of Jun 12, 2026

5-Year Average

$16.54B

All-Time High

$21.12B

Nov 25, 2016

All-Time Low

$6.78B

Mar 9, 2009

Market cap daily chart for Omnicom Group (OMC)

Jun 16, 2021 – Jun 12, 2026 · 1,254 trading days

Market Cap growth chart for Omnicom Group (OMC) from 1985 to 2026

Latest: -5.0%

Market Cap history table for Omnicom Group (OMC) from 1985 to 2026


2026	$15.71B	-5.0%	−$833.94M	Jun 12, 2026	Apr 29, 2026
2025	$16.55B	-3.2%	−$541.87M	Dec 31, 2025	Feb 20, 2026
2024	$17.09B	-1.9%	−$335.57M	Dec 31, 2024	Feb 5, 2025
2023	$17.42B	+3.2%	+$538.12M	Dec 31, 2023	Feb 7, 2024
2022	$16.88B	+6.9%	+$1.09B	Dec 31, 2022	Feb 8, 2023
2021	$15.80B	+17.2%	+$2.31B	Dec 31, 2021	Feb 9, 2022
2020	$13.48B	-24.7%	−$4.41B	Dec 31, 2020	Feb 18, 2021
2019	$17.90B	+7.4%	+$1.23B	Dec 31, 2019	Feb 11, 2020
2018	$16.67B	-2.1%	−$365.51M	Dec 31, 2018	Feb 12, 2019
2017	$17.03B	-16.3%	−$3.32B	Dec 31, 2017	Feb 15, 2018
2016	$20.36B	+9.7%	+$1.81B	Dec 31, 2016	Feb 9, 2017
2015	$18.55B	-6.2%	−$1.23B	Dec 31, 2015	Feb 9, 2016
2014	$19.78B	+2.1%	+$412.14M	Dec 31, 2014	Feb 10, 2015
2013	$19.37B	+43.6%	+$5.88B	Dec 31, 2013	Feb 12, 2014
2012	$13.49B	+6.8%	+$859.69M	Dec 31, 2012	Feb 19, 2013
2011	$12.63B	-9.1%	−$1.27B	Dec 31, 2011	Feb 17, 2012
2010	$13.90B	+14.4%	+$1.75B	Dec 31, 2010	Feb 23, 2011
2009	$12.15B	+43.4%	+$3.68B	Dec 31, 2009	Feb 19, 2010
2008	$8.47B	-45.8%	−$7.17B	Dec 31, 2008	Feb 27, 2009
2007	$15.64B	-13.4%	−$2.42B	Dec 31, 2007	Feb 22, 2008
2006	$18.06B	+17.0%	+$2.62B	Dec 31, 2006	Feb 27, 2007
2005	$15.44B	-1.8%	−$282.66M	Dec 31, 2005	Feb 24, 2006
2004	$15.72B	-4.1%	−$679.17M	Dec 31, 2004	Mar 15, 2005
2003	$16.40B	+36.6%	+$4.40B	Dec 31, 2003	Mar 15, 2004
2002	$12.00B	-33.8%	−$6.12B	Dec 31, 2002	Mar 27, 2003
2001	$18.13B	+14.5%	+$2.29B	Dec 31, 2001	Mar 28, 2002
2000	$15.84B	-12.3%	−$2.22B	Dec 31, 2000	Mar 27, 2001
1999	$18.05B	+75.3%	+$7.76B	Dec 31, 1999	Mar 30, 2000
1998	$10.30B	+43.2%	+$3.10B	Dec 31, 1998	Mar 30, 1999
1997	$7.19B	+100.7%	+$3.61B	Dec 31, 1997	Mar 26, 1998
1996	$3.59B	+27.2%	+$767.39M	Dec 31, 1996	Mar 26, 1997
1995	$2.82B	+59.1%	+$1.05B	Dec 31, 1995	Mar 27, 1996
1994	$1.77B	+31.7%	+$426.62M	Dec 31, 1994	Mar 29, 1995
1993	$1.35B	+9.1%	+$112.10M	Dec 31, 1993	Mar 30, 1994
1992	$1.23B	+38.4%	+$341.85M	Dec 31, 1992	Dec 31, 1992
1991	$891.21M	+45.3%	+$277.82M	Dec 31, 1991	Dec 31, 1991
1990	$613.39M	-12.5%	−$87.52M	Dec 31, 1990	Dec 31, 1990
1989	$700.91M	+42.3%	+$208.40M	Dec 31, 1989	Dec 31, 1989
1988	$492.51M	+4.0%	+$18.85M	Dec 31, 1988	Dec 31, 1988
1987	$473.67M	+14.6%	+$60.39M	Dec 31, 1987	Dec 31, 1987
1986	$413.28M	+257.3%	+$297.61M	Dec 31, 1986	Dec 31, 1986
1985	$115.67M	—	—	Dec 31, 1985	Dec 31, 1985

2026$15.71B-5.0%
2025$16.55B-3.2%
2024$17.09B-1.9%
2023$17.42B+3.2%
2022$16.88B+6.9%
2021$15.80B+17.2%
2020$13.48B-24.7%
2019$17.90B+7.4%
2018$16.67B-2.1%
2017$17.03B-16.3%
2016$20.36B+9.7%
2015$18.55B-6.2%
2014$19.78B+2.1%
2013$19.37B+43.6%
2012$13.49B+6.8%
2011$12.63B-9.1%
2010$13.90B+14.4%
2009$12.15B+43.4%
2008$8.47B-45.8%
2007$15.64B-13.4%
2006$18.06B+17.0%
2005$15.44B-1.8%
2004$15.72B-4.1%
2003$16.40B+36.6%
2002$12.00B-33.8%
2001$18.13B+14.5%
2000$15.84B-12.3%
1999$18.05B+75.3%
1998$10.30B+43.2%
1997$7.19B+100.7%
1996$3.59B+27.2%
1995$2.82B+59.1%
1994$1.77B+31.7%
1993$1.35B+9.1%
1992$1.23B+38.4%
1991$891.21M+45.3%
1990$613.39M-12.5%
1989$700.91M+42.3%
1988$492.51M+4.0%
1987$473.67M+14.6%
1986$413.28M+257.3%
1985$115.67M—

Market Cap values are taken from Omnicom Group's reported income statements (share counts) and end-of-day prices (quarterly 10-Q and annual 10-K filings with the U.S. Securities and Exchange Commission). Each row shows the period end date and the filing date. YoY compares each figure to the same period one year earlier. Amounts are in USD as filed.

About Market Cap at Omnicom Group (OMC)

According to Omnicom Group's latest reported financial statements, the company's latest reported market cap is $15.43B. Market capitalization is the total dollar value of all outstanding shares — shares outstanding × stock price — and the standard measure of a company's equity value. On this page, historical market cap snaps filing-period share counts to closing prices on or before each statement date (not intraday tick data).

Headline figure above is from the reporting period ending March 31, 2026 (reported April 29, 2026). Chart and table below cover the full reported history back to 1985.

As of the 2026 fiscal year, Omnicom Group (OMC) reported market cap of $15.71B – declined 5.0% year-over-year.

Looking at the 2021–2026 (5 years) stretch, Omnicom Group market cap compounded at -0.1% per year, with a net decline across the window.

Between 2016 and 2026, Omnicom Group market cap declined 22.8%, falling from $20.36B to $15.71B.

$20.36B stands as the all-time-high annual market cap, posted in 2016, against a low of $115.67M during 1985.

Omnicom Group Market Cap by Year

Omnicom Group Market Cap 2026: $15.71B

Omnicom Group posted market cap of $15.71B in 2026, declined 5.0% below 2025.

Omnicom Group Market Cap 2025: $16.55B

In 2025, Omnicom Group reported market cap of $16.55B, edged down 3.2% below 2024.

Omnicom Group Market Cap 2024: $17.09B

Omnicom Group market cap in 2024 was $17.09B, edged down 1.9% below 2023.

Omnicom Group Market Cap 2023: $17.42B

2023's market cap for Omnicom Group came in at $17.42B, edged up 3.2% from 2022.

Omnicom Group Market Cap 2022: $16.88B

Omnicom Group market cap in 2022 was $16.88B.

See more financial history for Omnicom Group (OMC).

Sector peers by Market Cap

Communication Services peers of Omnicom Group (OMC), ranked by their latest market cap


Alphabet (GOOGL)	$4.35T
Meta (META)	$1.44T
Netflix (NFLX)	$338.30B
T-Mobile US (TMUS)	$204.64B
Verizon (VZ)	$200.89B
Walt Disney (DIS)	$173.72B
AT&T (T)	$163.84B
Spotify (SPOT)	$99.11B

Alphabet (GOOGL)
$4.35T
Meta (META)
$1.44T
Netflix (NFLX)
$338.30B
T-Mobile US (TMUS)
$204.64B
Verizon (VZ)
$200.89B
Walt Disney (DIS)
$173.72B
AT&T (T)
$163.84B
Spotify (SPOT)
$99.11B

Frequently asked questions

Omnicom Group (OMC) Key Financials

Charts, filings, and peer comparison for every metric

Explore more

Deep-dives across the income statement, cash flow, capital return, and valuation