Omnicom Group Inc.
US ˙ NYSE ˙ US6819191064

SecurityOMC / Omnicom Group Inc.
InstitutionNeuberger Berman Group LLC
Latest Disclosed Ownership49,424 shares
Latest Disclosed Value $ 3,722,113
Neuberger Berman Group LLC reports 5.21% decrease in ownership of OMC / Omnicom Group Inc.

On May 14, 2026 - Neuberger Berman Group LLC filed a 13F-HR form disclosing ownership of 49,424 shares of Omnicom Group Inc. (US:OMC) valued at $3,722,121 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 13, 2026 disclosing 52,138 shares of Omnicom Group Inc.. This represents a change in shares of -5.21% during the quarter. The current value of the position is $3,644,526 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)
2026-05-14 2026-03-31 13F OMNICOM GROUP Common 681919106 49,424 -2,714 -5.21 3,722 -11.59 0.0014
2026-02-13 2025-12-31 13F OMNICOM GROUP Common 681919106 52,138 18,819 56.48 4,210 55.01 0.0031
2025-11-12 2025-09-30 13F OMNICOM GROUP Common 681919106 33,319 -273,658 -89.15 2,717 -87.70 0.0020
2025-08-25 2025-06-30 13F/A-1 OMNICOM GROUP Common 681919106 306,977 -34,864 -10.20 22,084 -22.08 0.0170
2025-08-13 2025-06-30 13F OMNICOM GROUP Common 681919106 306,977 -34,864 22,084 0.0088
2025-05-13 2025-03-31 13F OMNICOM GROUP Common 681919106 341,841 291,772 582.74 28,342 558.05 0.0237
2025-02-13 2024-12-31 13F OMNICOM GROUP Common 681919106 50,069 -1,196 -2.33 4,308 -18.74 0.0034
2024-11-14 2024-09-30 13F OMNICOM GROUP Common 681919106 51,265 -4,966 -8.83 5,300 5.10 0.0041
2024-11-14 2024-06-30 13F/A-1 OMNICOM GROUP Common 681919106 56,231 -25,949 -31.58 5,044 -36.57 0.0041
2024-08-13 2024-06-30 13F OMNICOM GROUP Common 681919106 56,231 -25,949 5,044 0.0041
2024-11-14 2024-03-31 13F/A-1 OMNICOM GROUP Common 681919106 82,180 6,156 8.10 7,952 20.91 0.0066
2024-05-13 2024-03-31 13F OMNICOM GROUP Common 681919106 82,180 6,156 7,952 0.0066
2024-11-14 2023-12-31 13F/A-2 OMNICOM GROUP Common 681919106 76,024 -19,943 -20.78 6,577 -7.99 0.0057
2024-02-09 2023-12-31 13F OMNICOM GROUP Common 681919106 76,024 -19,943 6,577 0.0057
2023-11-14 2023-09-30 13F OMNICOM GROUP Common 681919106 95,967 7,289 8.22 7,148 -15.29 0.0065
2023-08-11 2023-06-30 13F OMNICOM GROUP Common 681919106 88,678 -3,630 -3.93 8,438 -3.11 0.0075
2023-05-12 2023-03-31 13F OMNICOM GROUP Common 681919106 92,308 57 0.06 8,708 15.74 0.0081
2023-02-13 2022-12-31 13F OMNICOM GROUP Common 681919106 92,251 -27,653 -23.06 7,525 -0.76 0.0074
2022-11-15 2022-09-30 13F OMNICOM GROUP Common 681919106 119,904 -9,255 -7.17 7,582 -7.87 0.0079
2022-08-15 2022-06-30 13F OMNICOM GROUP Common 681919106 129,159 -2,039 -1.55 8,230 -26.37 0.0083
2022-05-23 2022-03-31 13F/A-1 OMNICOM GROUP Common 681919106 131,198 12,731 10.75 11,177 35.68 0.0095
2022-05-13 2022-03-31 13F OMNICOM GROUP Common 681919106 131,198 12,731 10,591 0.0047
2022-02-11 2021-12-31 13F OMNICOM GROUP Common 681919106 118,467 67,623 133.00 8,238 123.80 0.0065
2021-11-12 2021-09-30 13F OMNICOM GROUP Common 681919106 50,844 812 1.62 3,681 -7.00 0.0032
2021-08-13 2021-06-30 13F OMNICOM GROUP Common 681919106 50,032 4,614 10.16 3,958 17.80 0.0035
2021-05-13 2021-03-31 13F OMNICOM GROUP Common 681919106 45,418 -8,371 -15.56 3,360 0.18 0.0032
2021-02-10 2020-12-31 13F OMNICOM GROUP Common 681919106 53,789 -1,341,070 -96.14 3,354 -95.14 0.0035
2020-11-12 2020-09-30 13F OMNICOM GROUP Common 681919106 1,394,859 -72,146 -4.92 69,045 -13.80 0.0819
2020-08-13 2020-06-30 13F OMNICOM GROUP Common 681919106 1,467,005 1,318,995 891.15 80,099 885.71 0.0996
2020-05-14 2020-03-31 13F OMNICOM GROUP Common 681919106 148,010 -26,799 -15.33 8,126 -42.63 0.0124
2020-02-12 2019-12-31 13F OMNICOM GROUP Common 681919106 174,809 -5,507 -3.05 14,163 0.32 0.0165
2019-11-13 2019-09-30 13F OMNICOM GROUP Common 681919106 180,316 -21,227 -10.53 14,118 -14.52 0.0172
2019-08-13 2019-06-30 13F OMNICOM GROUP Common 681919106 201,543 -8,871 -4.22 16,517 7.55 0.0198
2019-05-13 2019-03-31 13F OMNICOM GROUP Common 681919106 210,414 -540 -0.26 15,358 -0.60 0.0188
2019-02-12 2018-12-31 13F OMNICOM GROUP Common 681919106 210,954 16,465 8.47 15,450 16.79 0.0215
2018-11-16 2018-09-30 13F/A-1 OMNICOM GROUP Common 681919106 194,489 96,023 97.52 13,229 74.73 0.0150
2018-11-13 2018-09-30 13F OMNICOM GROUP Common 681919106 194,489 96,023 13,229
2018-08-13 2018-06-30 13F OMNICOM GROUP Common 681919106 98,466 24,349 32.85 7,571 39.28 0.0084
2018-05-08 2018-03-31 13F OMNICOM GROUP Common 681919106 74,117 -10,929 -12.85 5,436 -12.24 0.0062
2018-02-14 2017-12-31 13F OMNICOM GROUP Common 681919106 85,046 -74,510 -46.70 6,194 -47.59 0.0071
2017-11-15 2017-09-30 13F OMNICOM GROUP COMMON STOCK 681919106 159,556 -63,578 -28.49 11,818 -36.11 0.0148
2017-08-08 2017-06-30 13F OMNICOM GROUP COMMON STOCK 681919106 223,134 -29,675 -11.74 18,498 -15.13 0.0238
2017-05-10 2017-03-31 13F OMNICOM GROUP COMMON STOCK 681919106 252,809 -3,565 -1.39 21,795 -0.11 0.0281
2017-02-06 2016-12-31 13F OMNICOM GROUP COMMON STOCK 681919106 256,374 -232,263 -47.53 21,820 -47.46 0.0293
2016-11-02 2016-09-30 13F OMNICOM GROUP COMMON STOCK 681919106 488,637 -74,644 -13.25 41,534 -9.52 0.0564
2016-08-05 2016-06-30 13F OMNICOM GROUP COMMON STOCK 681919106 563,281 -182,392 -24.46 45,902 -26.04 0.0632
2016-05-06 2016-03-31 13F OMNICOM GROUP COMMON STOCK 681919106 745,673 -225,009 -23.18 62,062 -15.50 0.0853
2016-01-28 2015-12-31 13F OMNICOM GROUP COMMON STOCK 681919106 970,682 -468,997 -32.58 73,442 -22.59 0.0961
2015-11-10 2015-09-30 13F OMNICOM GROUP COMMON STOCK 681919106 1,439,679 -203,941 -12.41 94,875 -16.93 0.1222
2015-07-31 2015-06-30 13F OMNICOM GROUP COMMON STOCK 681919106 1,643,620 -1,002,563 -37.89 114,215 -44.65 0.1270
2015-05-06 2015-03-31 13F OMNICOM GROUP COMMON STOCK 681919106 2,646,183 2,646,183 0.00 206,349 0.2203
2015-02-05 2014-12-31 13F OMNICOM GROUP COMMON STOCK 681919106 0 -2,594,526 -100.00 0 -100.00
2014-11-04 2014-09-30 13F OMNICOM GROUP COMMON STOCK 681919106 2,594,526 -173,736 -6.28 178,659 -9.38 0.1833
2014-08-05 2014-06-30 13F OMNICOM GROUP COMMON STOCK 681919106 2,768,262 239,269 9.46 197,156 7.38 0.1925
2014-05-05 2014-03-31 13F OMNICOM GROUP COMMON STOCK 681919106 2,528,993 501,556 24.74 183,605 21.77 0.1867
2014-02-11 2013-12-31 13F OMNICOM GROUP COMMON STOCK 681919106 2,027,437 217,530 12.02 150,781 31.32 0.1550
2013-10-29 2013-09-30 13F/A-1 OMNICOM GROUP COMMON STOCK 681919106 1,809,907 -700,493 -27.90 114,820 -27.25 0.1275
2013-10-29 2013-09-30 13F OMNICOM GROUP COMMON STOCK 681919106 2,027,320 102,684
2013-08-13 2013-06-30 13F OMNICOM GROUP COMMON STOCK 681919106 2,510,400 2,510,400 157,829 0.1877
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.