Market Cap for Omnicom Group (OMC)
According to Omnicom Group's latest reported financial statements, the company's latest reported market cap is $15.43B USD. 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 (reported ). Chart and table below cover the full reported history back to .
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Latest period
$15.43B
YoY change
-5.6%
5Y CAGR
-0.2%
Peak year (2016)
$20.36B
Latest annual
$15.61B
Market Cap history chart for Omnicom Group (OMC) from 1985 to 2026
Market Cap history table for Omnicom Group (OMC) from 1985 to 2026
| Fiscal year | Period ended | Reported | Market Cap | YoY |
|---|---|---|---|---|
| 2026 | $15.61B | -5.6% | ||
| 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 (10-Q quarterly and 10-K annual filings with the U.S. Securities and Exchange Commission). Each row shows the period end date and the date the filing was reported; YoY compares each figure to the same period one year earlier. Amounts are in USD as filed.
Analysis
As of the 2026 fiscal year, Omnicom Group (OMC) reported market cap of $15.61B – declined 5.6% year-over-year.
Looking at the 2021–2026 (5 years) stretch, Omnicom Group market cap compounded at -0.2% per year, with a net decline across the window.
Between 2016 and 2026, Omnicom Group market cap declined 23.3%, falling from $20.36B to $15.61B.
$20.36B stands as the all-time-high annual market cap, posted in 2016, against a low of $115.67M during 1985.
Within Communication Services, Omnicom Group (OMC) ranks 9th among 8 peers we track. The peer median for market cap is $202.49B.
Omnicom Group Market Cap by Year
Omnicom Group Market Cap 2026: $15.61B
Omnicom Group market cap in 2026 was $15.61B, declined 5.6% below 2025.
Omnicom Group Market Cap 2025: $16.55B
Omnicom Group market cap in 2025 was $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
Omnicom Group market cap in 2023 was $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 — Market Cap
Companies in the same sector as Omnicom Group, ranked by their latest market cap.
| Company | Market Cap | Sector |
|---|---|---|
| Alphabet Inc. (GOOGL) | $4.66T | Communication Services |
| Meta Platforms, Inc. (META) | $1.55T | Communication Services |
| Netflix, Inc. (NFLX) | $388.53B | Communication Services |
| T-Mobile US, Inc. (TMUS) | $205.74B | Communication Services |
| Verizon Communications Inc. (VZ) | $199.24B | Communication Services |
| AT&T Inc. (T) | $181.99B | Communication Services |
| The Walt Disney Company (DIS) | $179.77B | Communication Services |
| Comcast Corporation (CMCSA) | $98.74B | Communication Services |
Frequently asked questions
What is Omnicom Group's market cap?
- Latest reported market cap for Omnicom Group (OMC) is $15.43B (period ending March 31, 2026).
How has Omnicom Group market cap changed year-over-year?
- Omnicom Group (OMC) market cap changed -5.6% year-over-year on the latest annual filing.
What is the long-term growth rate of Omnicom Group market cap?
- Omnicom Group (OMC) market cap compound annual growth rate is -0.2% over the most recent 5 years available.
When did Omnicom Group market cap hit its highest annual value?
- Omnicom Group market cap reached its highest annual value of $20.36B in 2016.
What was Omnicom Group market cap in 2025?
- Omnicom Group (OMC) market cap in 2025 was $16.55B.
What was Omnicom Group market cap in 2026?
- Omnicom Group (OMC) market cap in 2026 was $15.61B.
Metrics overview
Pick a metric for charts, filings, and peers — each row shows the latest TTM or annual value with year-over-year change.
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OMC Overview
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