State Street Corporation filed a Schedule 13G with the SEC on November 10, 2026, disclosing beneficial ownership of approximately 7.4% of Omnicom Group Inc.'s common stock as of September 30, 2026.

Key Highlights

  • Aggregate beneficial ownership: State Street Corporation reported beneficial ownership of 20,353,572 shares of Omnicom Group common stock.
  • Percent of class: The reported stake represents 7.4% of Omnicom Group's outstanding common stock.
  • Shared voting power: State Street reported shared voting power over 15,358,126 shares, with zero sole voting power.
  • Shared dispositive power: The filing disclosed shared dispositive power over 20,338,548 shares, with zero sole dispositive power.
  • Triggering date: The event requiring the filing occurred on September 30, 2026.
  • Subsidiaries involved: Nine subsidiaries, including SSGA Funds Management, Inc. and multiple State Street Global Advisors entities worldwide, are identified as the investment adviser subsidiaries through which shares are held.

State Street Corporation's Schedule 13G Filing on Omnicom Group Ownership

State Street Corporation, a holding company organized in Massachusetts with its principal office at One Congress Street, Suite 1, Boston, MA 02114, filed a Schedule 13G disclosing its beneficial ownership position in Omnicom Group Inc. (CUSIP 681919106), whose principal executive offices are located at 280 Park Ave, New York, New York, 10017. According to the filing, the event triggering the disclosure occurred on September 30, 2026, and the statement was signed on November 9, 2026 by Alok Maheshwary, Senior Vice President of State Street Corporation.

The filing reports aggregate beneficial ownership of 20,353,572 shares, representing 7.4% of Omnicom Group's common stock class. State Street holds no sole voting or sole dispositive power over any of these shares. Instead, shared voting power extends to 15,358,126 shares, while shared dispositive power covers 20,338,548 shares, according to the filing.

The filing identifies State Street as a parent holding company (type "HC") filing under Rule 13d-1(b). Nine subsidiaries are listed as the investment adviser entities through which the shares are attributed, including SSGA Funds Management, Inc., State Street Global Advisors Trust Company, State Street Global Advisors Limited, and regional affiliates in Japan, Asia, Europe, Australia, and Singapore. The filing certifies, as required, that the securities "were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer."

What Was Disclosed

State Street Corporation disclosed a 7.4% beneficial ownership stake, totaling 20,353,572 shares of Omnicom Group common stock, as of September 30, 2026, held through nine investment adviser subsidiaries with shared but no sole voting or dispositive power.