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Omnicom Group OMC

Omnicom Group is the 377th largest S&P 500 company by market cap, worth $22.6 billion. 14 directors have filed with the SEC in the last 12 months (who counts), 2 of them executives. 3 other officers are on file. At 30 Jun 2026, Vanguard was its largest institutional holder, with 12.3% of the company.

Chair and CEO
John Wren
Sector
Communication Services
Sub-industry
Advertising
Headquarters
New York City, New York
Founded
1986
More
Wikipedia
Market cap
$22.6B
377th largest, 23 Oct 2026 close
Revenue
$17.3B
Fiscal year 2025
Price to sales
1.3
Market cap over revenue
Employees
120,000
10-K, 31 Dec 2025
Market cap per employee
$188K
Market cap over employees
Connections
3
S&P 500 companies sharing a director or officer

Largest institutional holders

Each fund group's share of Omnicom Group. Where a company has several share classes, the share is of its total value.

13F filings for the quarter to 30 Jun 2026

These five hold 39.6% of Omnicom Group.

Source: SEC Form 13F data sets, SEC XBRL shares outstanding 路 All holders

Board and officers

3 people here also hold roles at other S&P 500 companies.

Roles filed up to 30 Sep 2026

NameTitle
Directors (14)
John WrenChairman and CEOChairman and CEO
Mary C. ChoksiDirectorDirector
Leonard S. Coleman Jr.DirectorDirector
Mark D. GersteinDirectorDirector
Ronnie S. HawkinsDirectorDirector
Deborah J. KissireDirectorDirector
Philippe KrakowskyCo-President and Co-COOLast filed 28 Nov 2025Co-President and Co-COO
Gracia C. MartoreDirectorAlso at United RentalsDirector
Patrick Q. MooreDirectorDirector
Patricia Salas PinedaDirectorDirector
Linda Johnson RiceDirectorDirector
Cassandra SantosDirectorAlso at DTE EnergyDirector
Valerie WilliamsDirectorAlso at DTE Energy and Devon EnergyDirector
E. Lee WyattDirectorDirector
Officers (3)
Philip J. AngelastroExecutive Vice President & CFOLast filed 27 May 2026Executive Vice President & CFO
Louis F. JanuzziSenior VP, Gen. Counsel & SecLast filed 18 Aug 2026Senior VP, Gen. Counsel & Sec
Daryl SimmCo-President and Co-COOLast filed 18 Aug 2026Co-President and Co-COO

Source: SEC insider filings (Forms 3, 4 and 5), Omnicom Group's Form 4 filings 路 All directors and officers

Companies that share people with Omnicom Group

Each person's title here, then at the other company.

  • DTE Energy DTE
    • Cassandra Santos: Director here, Director there
    • Valerie Williams: Director here, Director there
  • Devon Energy DVN
    • Valerie Williams: Director here, Director there
  • United Rentals URI
    • Gracia C. Martore: Director here, Director there

Source: SEC insider filings 路 See the whole network

Omnicom Group's market cap since December 2008

Marked weeks are changes in the share count, such as a merger, not market moves.

Weekly, up to 23 Oct 2026

Show equal percentage changes as equal steps.
201020122014201620182020202220242026$22.6B

Source: Yahoo Finance closing prices, SEC XBRL shares outstanding

Workforce

Headcount at 31 Dec 2025

Employees
120,000
At December 31, 2025, we employed approximately 120,000 people worldwide, including 55,300 people in the Americas, 38,000 people in EMEA, and 26,700 people in Asia-Pacific.
Omnicom Group Form 10-K

Source: Omnicom Group Form 10-K

Insider trades

Open-market buys and sales by directors and officers. Grants, option exercises and shares withheld for tax are left out.

Trades from 30 Sep 2025 to 30 Sep 2026

Directors and officers sold $237,808 of stock in 2 sales and made no open-market purchases in the 12 months to 30 Sep 2026.

DatePersonTitleTypeSharesValue
24 Aug 2026SaleLinda Johnson RiceDirectorDirectorSale1,385$123K
2 Mar 2026SaleLinda Johnson RiceDirectorDirectorSale1,348$115K

Source: SEC insider transactions data sets, Omnicom Group's Form 4 filings

Trades by members of Congress and officials

Trades members of Congress and senior executive branch officials disclosed, including their families'. Amounts are filed as ranges.

Trades from 20 Oct 2023 to 20 Oct 2026

6 people disclosed 15 purchases and 14 sales of Omnicom Group stock since October 2023.

DateMember or officialTypeAmount
31 Jul 2026Donald J Trump (President)President 路 BoughtPurchase$100,001 to $250,000$100K to $250K
12 Jun 2026Donald J Trump (President)President 路 SoldSale$1,001 to $15,000$1K to $15K
18 May 2026Donald J Trump (President)President 路 SoldSale$1,001 to $15,000$1K to $15K
15 May 2026Donald J Trump (President)President 路 BoughtPurchase$1,001 to $15,000$1K to $15K
11 May 2026Donald J Trump (President)President 路 BoughtPurchase$15,001 to $50,000$15K to $50K
27 Apr 2026Donald J Trump (President)President 路 SoldSale$15,001 to $50,000$15K to $50K
15 Apr 2026Donald J Trump (President)President 路 BoughtPurchase$1,001 to $15,000$1K to $15K
14 Apr 2026Gilbert Cisneros (House, D-CA)House, D-CA 路 SoldSale$1,001 to $15,000$1K to $15K
27 Mar 2026Alan Armstrong (Senate, R-OK)Senate, R-OK 路 BoughtPurchase$1,001 to $15,000$1K to $15K
26 Mar 2026Donald J Trump (President)President 路 SoldSale$1,001 to $15,000$1K to $15K

Showing 10 of 29 trades

Source: House, Senate and OGE disclosures via the Congress trading monitor

Not on file: no WARN layoff notices under its own name since October 2023.