Omnicom Group Inc (OMC)
Who owns Omnicom Group Inc (OMC)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 99.1% of the shares are freely tradable; institutional investors hold 112.6%.
Ownership Structure
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard Group Inc | 13.66 | 38,934,118 | -0.2 | 12/31/2025 |
| BlackRock Inc | 10.35 | 29,498,159 | +1.1 | 03/31/2026 |
| State Street Corp | 9.74 | 27,760,218 | +17.2 | 03/31/2026 |
| Vanguard Capital Management, LLC | 7.12 | 20,295,276 | +0.0 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 5.21 | 14,840,407 | +0.0 | 03/31/2026 |
| Bank of New York Mellon Corp | 4.24 | 12,098,191 | +7.2 | 03/31/2026 |
| JPMorgan Chase & Co | 4.22 | 12,031,678 | +13.9 | 03/31/2026 |
| Geode Capital Management, LLC | 3.27 | 9,313,917 | +8.6 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| State Street® CommServSelSectSPDR®ETF | 4.93 | 14,040,514 | +0.2 | 05/29/2026 |
| Vanguard Total Stock Mkt Idx Inv | 3.47 | 9,882,198 | +0.2 | 04/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 16. Jul 2026 | Januzzi Louis F | Senior VP, Gen. Counsel & Sec. | Other | 7,720 | 0.00 | – |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character.
View all insider transactions →Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.