OMC Institutional Ownership & Shareholders
OMNICOM GROUP (OMC) is currently held by 1,084 institutional investors tracked by InsiderSet, with a combined reported market value of approximately $20.91B based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of OMC tracked by InsiderSet, reporting ownership valued at approximately $2.08B in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $2.32B, representing an estimated gain of +11.57% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 50% of the total disclosed OMC value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., State Street Corp, Vanguard Capital Management Llc, and several other long-term asset managers with concentrated positions in OMNICOM GROUP (OMC).
This page ranks the largest institutional OMC shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
1,084
Total Reported Value
$20.91B
Largest Holder
Blackrock, Inc.
Largest Position
$2.08B
Insider Transactions (90d)
17
Latest Filing Quarter
Q2 2026
New Institutional Positions
20
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.03% | 28,593,656 | $2,082,475,973 | $2,323,520,487 | +$241,044,514 | +11.57% | |
| State Street Corp | 0.05% | 24,590,402 | $1,812,367,298 | $1,998,216,067 | +$185,848,769 | +10.25% | |
| Vanguard Capital Management Llc | 0.03% | 18,596,140 | $1,354,356,876 | $1,511,122,336 | +$156,765,460 | +11.57% | |
| Vanguard Portfolio Management Llc | 0.04% | 13,478,004 | $981,603,031 | $1,095,222,605 | +$113,619,574 | +11.57% | |
| Bank Of New York Mellon Corp | 0.15% | 12,551,916 | $914,155,953 | $1,019,968,694 | +$105,812,741 | +11.57% | |
| Jpmorgan Chase & Co | 0.05% | 12,085,435 | $893,476,338 | $982,062,448 | +$88,586,110 | +9.91% | |
| Geode Capital Management, Llc | 0.03% | 8,645,204 | $628,294,354 | $702,509,277 | +$74,214,923 | +11.81% | |
| Massachusetts Financial Services Co | 0.19% | 8,305,876 | $611,734,630 | $674,935,484 | +$63,200,854 | +10.33% | |
| Fmr Llc | 0.02% | 7,666,221 | $558,330,922 | $622,957,118 | +$64,626,196 | +11.57% | |
| First Eagle U.S. Value | Jean-Marie Eveillard | 0.88% | 7,343,209 | $534,805,905 | $596,709,163 | +$61,903,258 | +11.57% |
| Hotchkis & Wiley Capital Management Llc | 1.46% | 6,867,753 | $500,178,451 | $558,073,609 | +$57,895,158 | +11.57% | |
| Capital Research Global Investors | 0.07% | 6,722,774 | $489,619,630 | $546,292,615 | +$56,672,985 | +11.57% | |
| Charles Schwab Investment Management Inc | 0.06% | 6,104,414 | $444,585,072 | $496,044,682 | +$51,459,610 | +11.57% | |
| Morgan Stanley | 0.02% | 5,877,632 | $428,068,117 | $477,616,376 | +$49,548,259 | +11.57% | |
| Baird Financial Group, Inc. | 0.49% | 4,852,121 | $353,380,005 | $394,283,352 | +$40,903,347 | +11.57% | |
| Invesco Ltd. | 0.02% | 4,243,512 | $309,054,956 | $344,827,785 | +$35,772,829 | +11.57% | |
| Dimensional Fund Advisors Lp | 0.05% | 3,986,507 | $290,370,468 | $323,943,559 | +$33,573,091 | +11.56% | |
| Goldman Sachs Group Inc | 0.03% | 3,863,586 | $281,384,943 | $313,954,998 | +$32,570,055 | +11.57% | |
| Pacer Advisors, Inc. | 0.60% | 3,170,921 | $230,938,000 | $257,669,040 | +$26,731,040 | +11.57% | |
| Beutel, Goodman & Co Ltd. | 1.66% | 3,091,223 | $225,133,000 | $251,192,781 | +$26,059,781 | +11.58% | |
| Northern Trust Corp | 0.02% | 2,784,324 | $202,782,317 | $226,254,168 | +$23,471,851 | +11.57% | |
| Victory Capital Management Inc | 0.11% | 2,592,457 | $188,808,643 | $210,663,056 | +$21,854,413 | +11.57% | |
| Ubs Am, A Distinct Business Unit Of Ubs Asset Management Americas Llc | 0.03% | 2,037,462 | $153,441,265 | $165,564,162 | +$12,122,897 | +7.90% | |
| Bank Of America Corp | 0.01% | 1,951,130 | $142,100,808 | $158,548,824 | +$16,448,016 | +11.57% | |
| Envestnet Asset Management Inc | 0.03% | 1,899,496 | $138,340,271 | $154,353,045 | +$16,012,774 | +11.57% | |
| Royal Bank Of Canada | 0.02% | 1,709,499 | $124,503,000 | $138,913,889 | +$14,410,889 | +11.57% | |
| Cooke & Bieler Lp | 1.90% | 1,642,016 | $120,901,638 | $133,430,220 | +$12,528,582 | +10.36% | |
| Citadel Advisors Llc | 0.07% | 1,644,047 | $119,735,943 | $133,595,259 | +$13,859,316 | +11.57% | |
| Aqr Capital Management Llc | 0.04% | 1,610,906 | $117,322,253 | $130,902,222 | +$13,579,969 | +11.57% | |
| Vanguard Fiduciary Trust Co | 0.03% | 1,600,387 | $116,556,185 | $130,047,448 | +$13,491,263 | +11.57% | |
| Ubs Group Ag | 0.02% | 1,566,919 | $114,118,711 | $127,327,838 | +$13,209,127 | +11.57% | |
| Lazard Asset Management Llc | 0.17% | 1,519,762 | $110,684,266 | $123,495,860 | +$12,811,594 | +11.57% | |
| Barclays Plc | 0.03% | 1,494,834 | $108,868,759 | $121,470,211 | +$12,601,452 | +11.57% | |
| Deutsche Bank Ag\ | 0.03% | 1,447,240 | $105,402,490 | $117,602,722 | +$12,200,232 | +11.57% | |
| Raymond James Financial Inc | 0.03% | 1,359,087 | $98,982,353 | $110,439,410 | +$11,457,057 | +11.57% | |
| Australiansuper Pty Ltd | 0.42% | 1,320,275 | $96,155,628 | $107,285,547 | +$11,129,919 | +11.57% | |
| Legal & General Group Plc | 0.02% | 1,292,246 | $94,114,276 | $105,007,910 | +$10,893,634 | +11.57% | |
| Crawford Investment Counsel Inc | 1.52% | 1,253,221 | $91,272,059 | $101,836,738 | +$10,564,679 | +11.57% | |
| Cullen Capital Management, Llc | 0.84% | 1,176,691 | $85,698,415 | $95,617,911 | +$9,919,496 | +11.57% | |
| Ariel Appreciation Fund | John W. Rogers Jr. | 0.85% | 1,174,452 | $85,535,339 | $95,435,970 | +$9,900,631 | +11.57% |
| Brandes Investment Partners, Lp | 0.59% | 1,163,286 | $84,722,615 | $94,528,620 | +$9,806,005 | +11.57% | |
| Sound Shore Management | Harry Burn | 2.53% | 1,129,610 | $82,269,496 | $91,792,109 | +$9,522,613 | +11.57% |
| Assetmark, Inc | 0.13% | 1,051,379 | $77,413,000 | $85,435,058 | +$8,022,058 | +10.36% | |
| Boston Partners | 0.07% | 1,042,018 | $75,987,713 | $84,674,383 | +$8,686,670 | +11.43% | |
| Lpl Financial Llc | 0.02% | 1,001,708 | $72,954,388 | $81,398,792 | +$8,444,404 | +11.57% | |
| Hsbc Holdings Plc | 0.03% | 920,054 | $66,995,254 | $74,763,588 | +$7,768,334 | +11.60% | |
| Wells Fargo & Company/Mn | 0.01% | 912,791 | $66,478,528 | $74,173,397 | +$7,694,869 | +11.57% | |
| Rwc Asset Management Llp | 2.41% | 881,342 | $64,893,211 | $71,617,851 | +$6,724,640 | +10.36% | |
| Bnp Paribas Financial Markets | 0.03% | 867,433 | $63,175,145 | $70,487,606 | +$7,312,461 | +11.57% | |
| Swiss National Bank | 0.03% | 803,771 | $58,538,642 | $65,314,431 | +$6,775,789 | +11.57% |
Frequently asked questions about OMC
Who are the largest institutional holders of OMC?
The largest institutional holders of OMC reported in the latest SEC Form 13F filings include Blackrock, Inc., State Street Corp, Vanguard Capital Management Llc, Vanguard Portfolio Management Llc, and Bank Of New York Mellon Corp. InsiderSet ranks institutional holders by their latest reported OMC position.
What is OMC institutional ownership?
This page tracks OMC positions reported by institutional investment managers through SEC Form 13F. OMNICOM GROUP (OMC) institutional ownership on InsiderSet reflects disclosed 13F holdings among the managers we analyze, not every shareholder of the stock.
How many institutions own OMC?
InsiderSet currently tracks 1,084 institutional managers reporting OMC holdings in the latest available 13F data. This count reflects institutions included in the SEC Form 13F filings analyzed by InsiderSet and should not be interpreted as the total number of OMC shareholders.
How much OMC stock do institutions own?
Institutional investment managers disclosed approximately $20.91B in OMC holdings for Q2 2026. This figure is reported 13F value as of the filing period, not necessarily today's market value.
When was OMC institutional ownership last updated?
The latest OMC institutional ownership data on InsiderSet is based on SEC Form 13F filings for the quarter ended June 30, 2026. Form 13F filings are generally reported after the quarter ends, so the holdings shown represent the latest publicly disclosed positions rather than real-time institutional holdings.
Are institutional OMC holdings real-time?
No. Form 13F data is not real-time. It represents positions reported by institutional investment managers as of the end of the reporting quarter. An institution may have changed its OMC position after the reporting date.
Are institutions buying or selling OMC?
Institutional buying and selling can be analyzed by comparing OMC positions across consecutive 13F reporting periods. InsiderSet's OMC Ownership Changes page shows institutions that increased, reduced, initiated, or exited positions based on reported 13F holdings. View OMC ownership changes.
How has OMC institutional ownership changed over time?
InsiderSet tracks OMC institutional holdings across multiple 13F reporting periods, allowing investors to compare institutional holder counts, reported value, and reported shares over time.