Omnicom Group
OMC · NYSE
Who owns OMC
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 44.5% of OMC’s shares.
- State Street Investment Management (US)9.0%
- BlackRock Institutional Trust Company, N.A.7.0%
- Vanguard Capital Management, LLC6.8%
- Vanguard Portfolio Management, LLC4.9%
- Next 6 largest institutions16.8%
- All other shareholders55.5%
| Holder | Shares | % of shares |
|---|---|---|
| State Street Investment Management (US) | 24.59M | 8.96% |
| BlackRock Institutional Trust Company, N.A. | 19.24M | 7.01% |
| Vanguard Capital Management, LLC | 18.60M | 6.78% |
| Vanguard Portfolio Management, LLC | 13.48M | 4.91% |
| JP Morgan Asset Management | 8.65M | 3.15% |
| Geode Capital Management, L.L.C. | 8.65M | 3.15% |
| MFS Investment Management | 7.92M | 2.89% |
| First Eagle Investment Management, L.L.C. | 7.34M | 2.68% |
| Hotchkis and Wiley Capital Management, LLC | 6.87M | 2.50% |
| Capital Research Global Investors | 6.72M | 2.45% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| State Street Communication Services Select Sector SPDR Income ETF | 11.65M | 4.25% |
| Vanguard Total Stock Market Index Fund | 9.08M | 3.31% |
| Vanguard 500 Index Fund | 7.47M | 2.72% |
| Vanguard Small-Cap Index Fund | 6.55M | 2.39% |
| First Eagle Global Fund | 5.16M | 1.88% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders sold $122.89K (1 trade) of OMC on the open market, with no buys.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Santos Cassandra | Award | 696 | — |
| Gerstein Mark D | Award | 306 | — |
| Gerstein Mark D | Award | 696 | — |
| Pineda Patricia Salas | Award | 696 | — |
| Hawkins Ronnie S. | Award | 696 | — |
| Williams Valerie | Award | 696 | — |
| Kissire Deborah J. | Award | 696 | — |
| Moore Patrick Q | Award | 697 | — |
| WYATT E LEE | Award | 697 | — |
| CHOKSI MARY C | Award | 696 | — |
Congressional trades
Disclosed by members of Congress over the last 12 months
| Member | Type | Amount | Traded |
|---|---|---|---|
| Alan ArmstrongSenator | Purchase | $1K–$15K | Mar 27, 2026 |
Short interest
Settled Sep 30, 2026
- Shares short
- 24.04M
- Days to cover
- 6.30
- % of shares outstanding
- 8.76%
- Average daily volume
- 3.81M
- Change since last report
- −7.7%
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