SCHEDULE 13G

OMNICOM GROUP INC COM

COMMON STOCK · CUSIP: 681919106

Event date: 2025-11-30

Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.

Filing-level shares

Unavailable

Percent of class

Unavailable

• SSGA FUNDS MANAGEMENT, INC.

  Shares: 15,911,611.00 · Class: 8.2%

• STATE STREET CORPORATION

  Shares: 26,656,167.00 · Class: 13.8%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.