Omnicom Group Inc.
US ˙ NYSE ˙ US6819191064

SecurityOMC / Omnicom Group Inc.
InstitutionCI Private Wealth, LLC
Latest Disclosed Ownership112,326 shares
Latest Disclosed Value $ 8,453,423
CI Private Wealth, LLC reports 8.16% decrease in ownership of OMC / Omnicom Group Inc.

On May 15, 2026 - CI Private Wealth, LLC filed a 13F-HR form disclosing ownership of 112,326 shares of Omnicom Group Inc. (US:OMC) valued at $8,459,271 USD as of March 31, 2026. The entity filed a previous 13F-HR/A on March 9, 2026 disclosing 122,308 shares of Omnicom Group Inc.. This represents a change in shares of -8.16% during the quarter. The current value of the position is $8,459,271 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-05-15 2026-03-31 13F OMNICOM GROUP COM 681919106 112,326 -9,982 -8.16 8,453 -14.41 0.0121
2026-03-09 2025-12-31 13F/A-1 OMNICOM GROUP COM 681919106 122,308 43,044 54.30 9,877 52.83 0.0134
2026-02-19 2025-12-31 13F OMNICOM GROUP COM 681919106 129,552 50,288 9,875 0.0037
2025-11-14 2025-09-30 13F OMNICOM GROUP COM 681919106 79,264 2,467 3.21 6,463 16.98 0.0102
2025-09-26 2025-06-30 13F/A-1 OMNICOM GROUP COM 681919106 76,797 -7,578 -8.98 5,525 -21.04 0.0074
2025-08-15 2025-06-30 13F OMNICOM GROUP COM 681919106 76,796 -7,579 5,525 0.0058
2025-05-14 2025-03-31 13F OMNICOM GROUP COM 681919106 84,375 -4,675 -5.25 6,996 -8.68 0.0114
2025-02-10 2024-12-31 13F OMNICOM GROUP COM 681919106 89,050 -13,744 -13.37 7,662 -27.91 0.0127
2024-11-12 2024-09-30 13F OMNICOM GROUP COM 681919106 102,794 11,557 12.67 10,628 29.87 0.0166
2024-08-13 2024-06-30 13F OMNICOM GROUP COM 681919106 91,237 4,656 5.38 8,184 -2.32 0.0143
2024-05-09 2024-03-31 13F OMNICOM GROUP COM 681919106 86,581 -3,287 -3.66 8,378 7.76 0.0149
2024-02-09 2023-12-31 13F OMNICOM GROUP COM 681919106 89,868 -8,758 -8.88 7,775 5.84 0.0143
2023-11-03 2023-09-30 13F OMNICOM GROUP COM 681919106 98,626 -2,380 -2.36 7,346 -23.50 0.0169
2023-08-10 2023-06-30 13F OMNICOM GROUP COM 681919106 101,006 6,940 7.38 9,601 8.19 0.0222
2023-05-15 2023-03-31 13F OMNICOM GROUP COM 681919106 94,066 7,034 8.08 8,874 25.00 0.0238
2023-02-15 2022-12-31 13F OMNICOM GROUP COM 681919106 87,032 87,032 7,100 0.0258
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.