OMNICOM GROUP (OMC) Stock Institutional Trading Activity


OMNICOM GROUP (OMC) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Renaissance Technologies LLC, Ariel Appreciation Fund, Jensen Investment Management, First Eagle U.S. Value, and Sequoia Financial Advisors. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q3 2021Jensen Investment ManagementSell-65096,764$7,012
Q3 2021Ariel Appreciation FundBuy25,333623,604$45,186
Q3 2021Olstein Capital ManagementBuy19,000159,000$11,521
Q3 2021Renaissance Technologies LLCSell-563,028438,764$31,793
Q2 2021Parnassus Endeavor FundBuy66,6481,332,057$106,551
Q2 2021Jensen Investment ManagementSell-13,98097,414$7,792
Q2 2021Ariel Appreciation FundSell-699598,271$47,856
Q2 2021Renaissance Technologies LLCBuy240,8921,001,792$80,133
Q1 2021Parnassus Endeavor FundBuy1,265,4091,265,409$93,830
Q1 2021Jensen Investment ManagementSell-9,472111,394$8,260
Q1 2021Ariel Appreciation FundBuy187,582598,970$44,414
Q1 2021Olstein Capital ManagementSell-39,100140,000$10,381
Q1 2021Renaissance Technologies LLCBuy279,500760,900$56,421
Q4 2020Jensen Investment ManagementSell-1,082,107120,866$7,538
Q4 2020Olstein Capital ManagementBuy16,100179,100$11,170
Q4 2020Ariel Appreciation FundSell-35,309411,388$25,658
Q4 2020Renaissance Technologies LLCBuy35,300481,400$30,025
Q3 2020Jensen Investment ManagementSell-443,4651,202,973$59,547
Q3 2020Ariel Appreciation FundSell-44,551446,697$22,112
Q3 2020Hancock Classic ValueSell-42,3607,139$353
Q3 2020Olstein Capital ManagementBuy15,000163,000$8,069
Q3 2020Renaissance Technologies LLCSell-391,100446,100$22,082
Q2 2020Jensen Investment ManagementSell-1,882,0101,646,438$89,896
Q2 2020Ariel Appreciation FundSell-79,741491,248$26,822
Q2 2020Hancock Classic ValueSell-1,534,78449,499$2,703
Q2 2020Olstein Capital ManagementBuy36,000148,000$8,081
Q2 2020Renaissance Technologies LLCBuy633,919837,200$45,711
Q1 2020Jensen Investment ManagementBuy55,1453,528,448$193,712
Q1 2020Ariel Appreciation FundSell-55,886570,989$31,347
Q1 2020Olstein Capital ManagementBuy15,000112,000$6,149

Frequently asked questions about OMC activity

  • Which institutional owners are buying OMC?

    Institutional owners buying OMC include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in OMC activity?

    "Buy" means an investor increased their reported position in OMC compared to the prior reporting period. This reflects growing exposure to OMNICOM GROUP (OMC) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in OMC increasing?

    Institutional interest in OMC can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.