Security key
681919106
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 17,217,122
- Total 13F value
- $1,255,720,399
- Share change
- +719,155
- SEC-reported price per share
- $72.83
- Number of holders
- 429
- Value change
- +$51,162,721
- Number of buys
- 174
- Number of sells
- 225
- Shares outstanding
- 285,021,941
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q2 2026
Institutions
429
Top holders
10
OMC full security history
Ownership snapshot
Full 13F holder table
OMNICOM GROUP INC. SEC filings
OMNICOM GROUP INC. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 681919106
Recent filing periods:
Ownership snapshot
Top reported holders of OMC - OMNICOM GROUP INC. - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
STATE STREET CORP
Disclosed value leader
BlackRock, Inc.
Comparable rows
15/15
Latest evidence
31 Mar 2026
13D/G
13F
3/4/5
Lead comparable stake: 9.7%
13D/G row: STATE STREET CORP
Showing 1-6 of 15 holder rows.
Quick read
STATE STREET CORP leads the comparable SEC ownership view at 9.7%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens STATE STREET CORP's linked filing trail.
Comparable ownership
Top 5
STATE STREET CORP
9.7%
VANGUARD CAPITAL MANAGEMENT LLC
8.2%
VANGUARD PORTFOLIO MANAGEMENT LLC
4.7%
WELLINGTON MANAGEMENT GROUP LLP
2.3%
Andrew Castellaneta
0.01%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| STATE STREET CORP |
13D/G
13F
STATE STREET CORPORATION · Company
|
9.7%
|
$2,110,555,264
27,770,464 shares
|
+$311,043,680 | 31 Mar 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13D/G
13F
Vanguard Capital Management · Company
|
8.2%
|
$1,770,030,661
23,503,262 shares
|
$0 | 31 Mar 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13F
13D/G
Company · Vanguard Portfolio Management
|
4.7%
from 13D/G
|
$1,117,631,051
14,840,407 shares
|
— | 31 Mar 2026 |
| WELLINGTON MANAGEMENT GROUP LLP |
13D/G
13F
Company
|
2.3%
|
$342,277,281
4,481,829 shares
|
$0 | 31 Mar 2025 |
| Andrew Castellaneta |
3/4/5
SVP, Chief Accounting Officer
|
0.01%
|
$1,669,281
21,875 shares
|
— | 15 Aug 2025 |
| BlackRock, Inc. |
13F
Company
|
10%
|
$2,221,506,333
29,498,159 shares
|
— | 31 Mar 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q2 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
429
Shares
17,217,122
Rows available
429
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q2 2026 vs Q1 2026 Across Filers
Q1 2026 holders
1,123
Q2 2026 holders
429
Holder diff
-694
| Investor | Q1 2026 Shares | Q2 2026 Shares | Share Diff | Share Chg % | Q1 2026 value | Q2 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend