State Street Corporation and SSGA Funds Management, Inc. report beneficial ownership of common stock of GROUP INC. They report aggregate beneficial ownership of 24,605,548 shares of common stock, representing 8.6% of the class. All reported shares are held with shared voting power of 19,550,358 shares and shared dispositive power of 24,590,402 shares, with no sole voting or sole dispositive power.
Within this total, SSGA Funds Management, Inc. reports beneficial ownership of 14,532,871 shares, or 5.1% of the class, all on a shared basis. The filing identifies multiple State Street Global Advisors entities as investment adviser subsidiaries through which these holdings are managed. No other person is stated to have rights to receive dividends or sale proceeds exceeding 5% of the class.
Positive
None.
Negative
None.
Key Figures
Total beneficial ownership:24,605,548 sharesPercent of class owned:8.6%Shared voting power:19,550,358 shares+4 more
7 metrics
Total beneficial ownership24,605,548 sharesCommon stock of GROUP INC beneficially owned by State Street Corporation and affiliates
Percent of class owned8.6%Percentage of GROUP INC common stock class beneficially owned by State Street reporting group
Shared voting power19,550,358 sharesShares of GROUP INC over which the reporting persons have shared power to vote
Shared dispositive power24,590,402 sharesShares of GROUP INC over which the reporting persons have shared dispositive power
SSGA FM shares owned14,532,871 sharesGROUP INC common stock beneficially owned by SSGA Funds Management, Inc.
SSGA FM percent of class5.1%Portion of GROUP INC common stock class beneficially owned by SSGA Funds Management, Inc.
Issuer address280 PARK AVE, NEW YORK, NEW YORK, 10017Principal executive offices of GROUP INC
Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.
shared voting powerfinancial
"Shared Voting Power 19,550,358.00"
Shared voting power occurs when two or more parties jointly have the right to vote or decide how a block of company shares is cast, like co-owners who must agree before moving a piece of furniture. Investors care because who controls voting rights affects board elections, major corporate decisions and takeover outcomes, and shared control can alter regulatory disclosures and the practical influence any holder has over a company’s direction and value.
shared dispositive powerfinancial
"Shared Dispositive Power 24,590,402.00"
investment companyfinancial
"shareholders of an investment company registered under the Investment Company Act"
investment adviser (IA)financial
"STATE STREET GLOBAL ADVISORS EUROPE LIMITED (IA);STATE STREET GLOBAL ADVISORS LIMITED (IA)"
An investment adviser (IA) is a person or firm that provides personalized guidance on buying, selling, or holding investments and often manages client portfolios for a fee. Investors should care because an IA has a legal duty to act in the client's best interest—think of them as a navigator who plans and steers your financial journey—so their advice, fee structure and potential conflicts can directly affect returns and financial risk.
How many GROUP INC (OMC) shares does State Street report owning?
State Street Corporation and affiliates report 24,605,548 shares of GROUP INC common stock beneficially owned, representing 8.6% of the class, all held with shared voting and/or dispositive power through various State Street Global Advisors entities.
What percentage of GROUP INC (OMC) is held by SSGA Funds Management, Inc.?
SSGA Funds Management, Inc. reports beneficial ownership of 5.1% of GROUP INC, equal to 14,532,871 shares of common stock. These shares are all held with shared voting and dispositive power, not on a sole basis.
Does State Street have sole voting control over GROUP INC (OMC) shares?
No. The filing states 0 shares with sole voting power and 19,550,358 shares with shared voting power. Dispositive power is also solely shared, reflecting the asset management nature of the holdings.
What is the shared dispositive power reported over GROUP INC (OMC) shares?
The reporting persons disclose 24,590,402 shares of GROUP INC common stock with shared dispositive power. This means these shares can be sold or otherwise disposed of under shared authority among the listed State Street Global Advisors entities.
Which subsidiaries manage the GROUP INC (OMC) holdings for State Street?
The holdings are managed through several State Street Global Advisors entities, including SSGA Funds Management, Inc. and affiliates such as State Street Global Advisors Europe Limited and State Street Global Advisors Singapore Limited, each classified as an investment adviser (IA).
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
OMNICOM GROUP INC
(Name of Issuer)
COMMON STOCK
(Title of Class of Securities)
681919106
(CUSIP Number)
06/30/2026
(Date of Event Which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
Rule 13d-1(b)
Rule 13d-1(c)
Rule 13d-1(d)
schemaVersion:
SCHEDULE 13G
CUSIP Number(s):
681919106
1
Names of Reporting Persons
STATE STREET CORPORATION
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
MASSACHUSETTS
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
19,550,358.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
24,590,402.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
24,605,548.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
8.6 %
12
Type of Reporting Person (See Instructions)
HC
SCHEDULE 13G
CUSIP Number(s):
681919106
1
Names of Reporting Persons
SSGA FUNDS MANAGEMENT, INC.
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
MASSACHUSETTS
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
14,485,473.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
14,531,855.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
14,532,871.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
5.1 %
12
Type of Reporting Person (See Instructions)
IA
SCHEDULE 13G
Item 1.
(a)
Name of issuer:
OMNICOM GROUP INC
(b)
Address of issuer's principal executive offices:
280 PARK AVE, NEW YORK, NEW YORK, 10017
Item 2.
(a)
Name of person filing:
SSGA FUNDS MANAGEMENT, INC.;STATE STREET CORPORATION;
(b)
Address or principal business office or, if none, residence:
ONE CONGRESS STREET, SUITE 1, BOSTON MA 02114, UNITED STATES (FOR ALL REPORTING PERSONS)
(c)
Citizenship:
MA
(d)
Title of class of securities:
COMMON STOCK
(e)
CUSIP Number(s):
681919106
Item 3.
If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)
Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)
Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)
Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)
Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)
An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)
An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)
A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)
A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)
A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)
A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J),
please specify the type of institution:
(k)
Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.
Ownership
(a)
Amount beneficially owned:
24605548.00
(b)
Percent of class:
8.6 %
(c)
Number of shares as to which the person has:
(i) Sole power to vote or to direct the vote:
0
(ii) Shared power to vote or to direct the vote:
19,550,358
(iii) Sole power to dispose or to direct the disposition of:
0
(iv) Shared power to dispose or to direct the disposition of:
24,590,402
Item 5.
Ownership of 5 Percent or Less of a Class.
Not Applicable
Item 6.
Ownership of more than 5 Percent on Behalf of Another Person.
If any other person is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities, a statement to that effect should be included in response to this item and, if such interest relates to more than 5 percent of the class, such person should be identified. A listing of the shareholders of an investment company registered under the Investment Company Act of 1940 or the beneficiaries of employee benefit plan, pension fund or endowment fund is not required.
NOT APPLICABLE
Item 7.
Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
If a parent holding company has filed this schedule, pursuant to Rule 13d-1(b)(ii)(G), so indicate under Item 3(g) and attach an exhibit stating the identity and the Item 3 classification of the relevant subsidiary. If a parent holding company has filed this schedule pursuant to Rule 13d-1(c) or Rule 13d-1(d), attach an exhibit stating the identification of the relevant subsidiary.
SSGA FUNDS MANAGEMENT, INC. (IA);STATE STREET GLOBAL ADVISORS (JAPAN) CO., LTD. (IA);STATE STREET GLOBAL ADVISORS ASIA LIMITED (IA);STATE STREET GLOBAL ADVISORS EUROPE LIMITED (IA);STATE STREET GLOBAL ADVISORS LIMITED (IA);STATE STREET GLOBAL ADVISORS SINGAPORE LIMITED (IA);STATE STREET GLOBAL ADVISORS TRUST COMPANY (IA);STATE STREET GLOBAL ADVISORS, AUSTRALIA, LIMITED (IA);STATE STREET GLOBAL ADVISORS, LTD. (IA);
Item 8.
Identification and Classification of Members of the Group.
If a group has filed this schedule pursuant to §240.13d-1(b)(1)(ii)(K), so indicate under Item 3(k) and attach an exhibit stating the identity and Item 3 classification of each member of the group. If a group has filed this schedule pursuant to §240.13d-1(c) or §240.13d-1(d), attach an exhibit stating the identity of each member of the group.
NOT APPLICABLE
Item 9.
Notice of Dissolution of Group.
Notice of dissolution of a group may be furnished as an exhibit stating the date of the dissolution and that all further filings with respect to transactions in the security reported on will be filed, if required, by members of the group, in their individual capacity. See Item 5.
NOT APPLICABLE
Item 10.
Certifications:
By signing below I certify that, to the best of my knowledge and belief, the securities referred to above 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 of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11.
SIGNATURE
After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.
