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OMNICOM GROUP INC.
OMC - CIK 0000029989
Market cap$21.46 B
Rank#596
SEC filings2,485
Market capitalization of OMNICOM GROUP INC.
As of 2026-06-11, OMNICOM GROUP INC. (OMC) has a market capitalization of $21.46 B, making it the #596 most valuable US-listed company.
Recent market cap readings
| Date | Market cap |
|---|---|
| 2026-06-11 | $21.46 B |
| 2026-06-10 | $21.08 B |
| 2026-05-29 | $20.92 B |
| 2026-05-28 | $21.33 B |
| 2026-05-26 | $21.25 B |
| 2026-05-25 | $21.36 B |
| 2026-05-24 | $21.36 B |
| 2026-05-22 | $21.36 B |
Readings accumulate daily as market data refreshes, combining SEC-reported share counts with live prices.
Market Cap of similar companies
Frequently asked questions
What is OMNICOM GROUP INC.'s market cap?
As of 2026-06-11, OMNICOM GROUP INC. (OMC) has a market capitalization of $21.46 B, making it the #596 most valuable US-listed company.
Where does OMNICOM GROUP INC. rank by market cap?
OMNICOM GROUP INC. is the #596 largest US-listed company by market capitalization.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.