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Omnicom Group Inc.

OMC
Exchange
NYSE
Industry
Services-Advertising Agencies
SEC CIK
0000029989

In the last 90 days, Omnicom Group Inc. insiders filed 0 open-market purchases and 1 sale; 1,104 institutions reported holding it in 13F filings for Q2 2026, worth $21.2B in total; no superinvestor holds it.

13F holders, Q3 2026

Institutional positions in Omnicom Group Inc. as of Sep 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Q3 2026 data is still coming in (13F filing deadline: Nov 16, 2026), so these numbers are incomplete.

Institutional holders
3
0 vs. Q2 2026
Shares held
15.6K
−65 (−0.4%) vs. Q2 2026
Total value
$1.15M
+$7.76K (+0.7%) vs. Q2 2026
New holders
0
0 more added
Sold out
0
1 more reduced

1,101 institutions that held it in Q2 2026 haven't filed for Q3 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2026: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting OMC on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holders
Q1 2021: 748 institutionsQ2 2021: 768 institutionsQ3 2021: 774 institutionsQ4 2021: 786 institutionsQ1 2022: 805 institutionsQ2 2022: 776 institutionsQ3 2022: 765 institutionsQ4 2022: 817 institutionsQ1 2023: 873 institutionsQ2 2023: 873 institutionsQ3 2023: 847 institutionsQ4 2023: 879 institutionsQ1 2024: 885 institutionsQ2 2024: 908 institutionsQ3 2024: 943 institutionsQ4 2024: 958 institutionsQ1 2025: 983 institutionsQ2 2025: 944 institutionsQ3 2025: 944 institutionsQ4 2025: 1,144 institutionsQ1 2026: 1,134 institutionsQ2 2026: 1,104 institutions
Value held
Q1 2021: $14.5BQ2 2021: $15.6BQ3 2021: $14.3BQ4 2021: $14.0BQ1 2022: $16.3BQ2 2022: $11.7BQ3 2022: $11.7BQ4 2022: $15.1BQ1 2023: $17.4BQ2 2023: $17.4BQ3 2023: $13.4BQ4 2023: $15.8BQ1 2024: $18.1BQ2 2024: $16.9BQ3 2024: $19.4BQ4 2024: $16.7BQ1 2025: $16.8BQ2 2025: $15.4BQ3 2025: $17.9BQ4 2025: $25.2BQ1 2026: $23.2BQ2 2026: $21.2B
Institutions holding OMC and their total value by quarter
QuarterHoldersValue
Q2 20261,104$21.2B
Q1 20261,134$23.2B
Q4 20251,144$25.2B
Q3 2025944$17.9B
Q2 2025944$15.4B
Q1 2025983$16.8B
Q4 2024958$16.7B
Q3 2024943$19.4B
Q2 2024908$16.9B
Q1 2024885$18.1B
Q4 2023879$15.8B
Q3 2023847$13.4B
Q2 2023873$17.4B
Q1 2023873$17.4B
Q4 2022817$15.1B
Q3 2022765$11.7B
Q2 2022776$11.7B
Q1 2022805$16.3B
Q4 2021786$14.0B
Q3 2021774$14.3B
Q2 2021768$15.6B
Q1 2021748$14.5B

Institutions, Q3 2026

Shares, value and share of portfolio for each institution holding Omnicom Group Inc.; share changes are against Q2 2026.

Institutions holding OMC in Q3 2026
InstitutionSharesValue% of portfolioChange in sharesAction
First Financial Bank - Trust Division12,693$934.6K0.07%00.0%Unchanged
Montecito Bank & Trust2,904$213.8K0.03%−65−2.2%Reduced
Roxbury Financial LLC24$1.74K0.00%00.0%Unchanged
BlackRock, Inc.––––Not filed
State Street Corp––––Not filed
Vanguard Capital Management LLC––––Not filed
Vanguard Portfolio Management LLC––––Not filed
Bank of New York Mellon Corp––––Not filed
JPMorgan Chase & Co––––Not filed
Geode Capital Management, LLC––––Not filed
Massachusetts Financial Services Co––––Not filed
FMR LLC––––Not filed
First Eagle Investment Management, LLC––––Not filed
Hotchkis & Wiley Capital Management LLC––––Not filed
Capital Research Global Investors––––Not filed
Charles Schwab Investment Management Inc––––Not filed
Morgan Stanley––––Not filed
Baird Financial Group, Inc.––––Not filed
Invesco Ltd.––––Not filed
Dimensional Fund Advisors LP––––Not filed
Goldman Sachs Group Inc––––Not filed
Pacer Advisors, Inc.––––Not filed
Beutel, Goodman & Co Ltd.––––Not filed
Northern Trust Corp––––Not filed
Victory Capital Management Inc––––Not filed
Cooke & Bieler LP––––Not filed
Bank of America Corp––––Not filed
Envestnet Asset Management Inc––––Not filed
Royal Bank of Canada––––Not filed
UBS Asset Management Americas Inc––––Not filed
Citadel Advisors LLC––––Not filed
AQR Capital Management LLC––––Not filed
Vanguard Fiduciary Trust Co––––Not filed
UBS Group AG––––Not filed
Lazard Asset Management LLC––––Not filed
Barclays PLC––––Not filed
Deutsche Bank AG––––Not filed
Amundi––––Not filed
Raymond James Financial Inc––––Not filed
AustralianSuper Pty Ltd––––Not filed
Legal & General Group Plc––––Not filed
Nykredit A/S––––Not filed
Crawford Investment Counsel Inc––––Not filed
Cullen Capital Management LLC––––Not filed
Ariel Investments, LLC––––Not filed
Brandes Investment Partners, LP––––Not filed
Sound Shore Management Inc––––Not filed
Boston Partners––––Not filed
Assetmark, Inc––––Not filed
LPL Financial LLC––––Not filed
HSBC Holdings PLC––––Not filed
Wells Fargo & Company––––Not filed
BNP Paribas Arbitrage, SA––––Not filed
Swiss National Bank––––Not filed
RWC Asset Management LLP––––Not filed
Epoch Investment Partners, Inc.––––Not filed
Sumitomo Mitsui Trust Holdings, Inc.––––Not filed
Bank of Montreal––––Not filed
Nuveen, LLC––––Not filed
KBC Group NV––––Not filed
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.––––Not filed
First Trust Advisors LP––––Not filed
Vanguard Asset Management, Ltd––––Not filed
Ameriprise Financial Inc––––Not filed
Principal Financial Group Inc––––Not filed
Vanguard Global Advisers, LLC––––Not filed
Thompson Siegel & Walmsley LLC––––Not filed
Rhumbline Advisers––––Not filed
Citigroup Inc––––Not filed
GMT Capital Corp––––Not filed
Miller Howard Investments Inc––––Not filed
SEI Investments Co––––Not filed
Nordea Investment Management AB––––Not filed
Ardmore Road Asset Management LP––––Not filed
Cambiar Investors LLC––––Not filed
California Public Employees Retirement System––––Not filed
Kempen Capital Management N.V.––––Not filed
Conning Inc.––––Not filed
Vaughan David Investments LLC––––Not filed
Norges Bank––––Not filed
Invenomic Capital Management LP––––Not filed
ZWJ Investment Counsel Inc––––Not filed
Quantinno Capital Management LP––––Not filed
California State Teachers Retirement System––––Not filed
Swiss Life Asset Management Ltd––––Not filed
Fort Washington Investment Advisors Inc––––Not filed
SG Americas Securities, LLC––––Not filed
National Pension Service––––Not filed
Russell Investments Group, Ltd.––––Not filed
Janney Montgomery Scott LLC––––Not filed
Gotham Asset Management, LLC––––Not filed
Price T Rowe Associates Inc––––Not filed
Alps Advisors Inc––––Not filed
Sound Income Strategies, LLC––––Not filed
Deprince Race & Zollo Inc––––Not filed
Alliancebernstein L.P.––––Not filed
Storebrand Asset Management AS––––Not filed
Danske Bank A/S––––Not filed
AE Wealth Management LLC––––Not filed
PFA Pension, Forsikringsaktieselskab––––Not filed