Ticker · CUSIP 681919106

OMC

OMNICOM GROUP INC

Communication Services·Advertising Agencies

···Share

Holders (tracked)

Combined shares

25,999,277

Combined value

$2.10B

Last close

$78.67

Quarter

2025Q4

Price is -2.6% vs the avg quarter-end implied price across tracked holders.

Price · 1Y$78.67+8.20 (+11.64%)H $84.95 · L $66.61 · Avg Vol 4.3M

Congress buy

Tracked holders · last 8 quarters

Flat over the last 8 quarters.

SEC event timeline

30 events

Paul Tudor Jones (Tudor Investment) opened position2026-02-17
+5,300 shares · 2025Q4
Position
Ken Griffin (Citadel Advisors) added2026-02-17
+3,945,814 shares · 2025Q4
Position
D.E. Shaw & Co. exited2026-02-17
−79,726 shares · 2025Q4
Position
AQR Capital Management added2026-02-17
+2,412,077 shares · 2025Q4
Position
Two Sigma Investments exited2026-02-17
−143,910 shares · 2025Q4
Position
Izzy Englander (Millennium Mgmt) added2026-02-17
+901,956 shares · 2025Q4
Position
Bill Nygren (Harris / Oakmark) opened position2026-02-17
+61,340 shares · 2025Q4
Position
T. Rowe Price added2026-02-17
+140,670 shares · 2025Q4
Position
Wellington Management added2026-02-17
+4,364,797 shares · 2025Q4
Position
Jeremy Grantham (GMO) added2026-02-17
+168,646 shares · 2025Q4
Position
Ray Dalio (Bridgewater Associates) added2026-02-13
+57,691 shares · 2025Q4
Position
John Rogers (Ariel Investments) opened position2026-02-13
+1,088,333 shares · 2025Q4
Position
Renaissance Technologies trimmed2026-02-12
−1,053,215 shares · 2025Q4
Position
Norges Bank (Norway SWF) opened position2026-02-10
+1,737,069 shares · 2025Q4
Position
Mario Gabelli (GAMCO) added2026-02-05
+211,126 shares · 2025Q4
Position
First Eagle Investment Management added2026-02-04
+33,557 shares · 2025Q4
Position
Izzy Englander (Millennium Mgmt) trimmed2025-11-14
−544,353 shares · 2025Q3
Position
Steve Cohen (Point72) exited2025-11-14
−1,489,128 shares · 2025Q3
Position
Two Sigma Investments added2025-11-14
+26,748 shares · 2025Q3
Position
D.E. Shaw & Co. trimmed2025-11-14
−209,251 shares · 2025Q3
Position
AQR Capital Management added2025-11-14
+703,285 shares · 2025Q3
Position
T. Rowe Price trimmed2025-11-14
−7,991 shares · 2025Q3
Position
Wellington Management trimmed2025-11-14
−3,980,918 shares · 2025Q3
Position
Jeremy Grantham (GMO) trimmed2025-11-13
−247,312 shares · 2025Q3
Position
Norges Bank (Norway SWF) exited2025-11-13
−123,092 shares · 2025Q3
Position
Renaissance Technologies trimmed2025-11-13
−107,500 shares · 2025Q3
Position
Ray Dalio (Bridgewater Associates) added2025-11-13
+286,639 shares · 2025Q3
Position
First Eagle Investment Management opened position2025-11-12
+6,318,477 shares · 2025Q3
Position
Mario Gabelli (GAMCO) trimmed2025-11-12
−260 shares · 2025Q3
Position
Norges Bank (Norway SWF) added2025-11-12
+138,951 shares · 2024Q3
Position

Insider activity

No insider transactions in the last 30 days.

View full insider history for OMC →

Follow-the-investor returns

If you'd copied each holder of OMC…

Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.

Investor	First in	Cost basis	Return	Position value today
Renaissance Technologies	2016Q2	$76.27	+3.1%	$9.1M
Paul Tudor Jones (Tudor Investment)	2016Q1	$76.37	+3.0%	$417K
John Rogers (Ariel Investments)	2016Q1	$80.47	-2.2%	$85.6M
Mario Gabelli (GAMCO)	2025Q2	$80.62	-2.4%	$16.9M
Ken Griffin (Citadel Advisors)	2016Q2	$80.73	-2.6%	$333.4M
Ken Griffin (Citadel Advisors)	2016Q2	$80.73	-2.6%	$333.4M
Ken Griffin (Citadel Advisors)	2016Q2	$80.73	-2.6%	$333.4M
Bill Nygren (Harris / Oakmark)	2025Q4	$80.75	-2.6%	$4.8M
Jeremy Grantham (GMO)	2016Q1	$80.99	-2.9%	$22.8M
Izzy Englander (Millennium Mgmt)	2016Q4	$81.07	-3.0%	$928K
Izzy Englander (Millennium Mgmt)	2016Q4	$81.07	-3.0%	$928K
AQR Capital Management	2016Q1	$81.13	-3.0%	$291.5M
Ray Dalio (Bridgewater Associates)	2020Q1	$81.34	-3.3%	$64.1M
Wellington Management	2016Q1	$81.41	-3.4%	$409.0M
Norges Bank (Norway SWF)	2016Q1	$81.50	-3.5%	$136.7M
First Eagle Investment Management	2016Q1	$81.75	-3.8%	$499.7M
T. Rowe Price	2016Q1	$85.08	-7.5%	$36.7M

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.

New positions4

Norges Bank (Norway SWF)
+1,737,069
$140.3M
John Rogers (Ariel Investments)
+1,088,333
$87.9M
Bill Nygren (Harris / Oakmark)
+61,340
$5.0M
Paul Tudor Jones (Tudor Investment)
+5,300
$428K

Added to9

Wellington Management
+4,364,797
$352.5M
Ken Griffin (Citadel Advisors)
+3,945,814
$318.6M
AQR Capital Management
+2,412,077
$194.8M
Izzy Englander (Millennium Mgmt)
+901,956
$72.8M
Mario Gabelli (GAMCO)
+211,126
$17.0M
Jeremy Grantham (GMO)
+168,646
$13.6M
Ray Dalio (Bridgewater Associates)
+57,691
$4.7M
First Eagle Investment Management
+33,557
$2.7M
T. Rowe Price
+140,670
$11K

Trimmed1

Renaissance Technologies
−1,053,215
$85.0M

Exited2

Two Sigma Investments
−143,910
$11.7M
D.E. Shaw & Co.
−79,726
$6.5M

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.

Quarter	Holders	Shares	Combined value	Δ holders
2022Q1	13	31,467,364	$18.92B	—
2022Q2	13	27,830,222	$5.19B	—
2022Q3	13	27,775,854	$1.75B	—
2022Q4	14	29,855,474	$2.44B	+1
2023Q1	14	29,159,848	$2.75B	—
2023Q2	17	30,621,797	$2.91B	+3
2023Q3	14	23,407,846	$1.74B	-3
2023Q4	12	24,425,761	$2.11B	-2
2024Q1	14	34,354,297	$3.32B	+2
2024Q2	13	35,305,003	$3.17B	-1
2024Q3	13	12,609,914	$1.30B	—
2024Q4	11	2,289,402	$197.0M	-2
2025Q1	15	9,786,196	$810.4M	+4
2025Q2	17	12,182,470	$876.1M	+2
2025Q3	17	12,493,010	$1.02B	—
2025Q4	17	25,999,277	$2.10B	—

Congress members trading this stock

Date	Member	Type	Amount range	Filing
2026-03-13	Gilbert Cisneros	Buy	$1K – $15K	PDF ↗
2025-04-08	Rob Bresnahan	Sell	$1K – $15K	PDF ↗

Who owns OMC

17 super-investors · 2025Q4

Tracked stake

26.00M

Combined value

$2.10B

% of shares outstanding

—

shares-out unknown

Quarter action mix

New4Added12Trim1

#	Manager	Shares	Value	% of book	Last action	8Q trend
1	First Eagle Investment Management	6.35M	$513M	0.9%	Added+33.6K
2	Wellington Management	5.20M	$420M	0.1%	Added+4.36M
3	Ken Griffin Citadel Advisors	4.24M	$342M	0.1%	Added+3.95M
4	AQR Capital Management	3.71M	$299M	0.2%	Added+2.41M
5	Norges Bank Norway SWF	1.74M	$140M	0.0%	New+1.74M
6	Izzy Englander Millennium Mgmt	1.62M	$131M	0.1%	Added+902.0K
7	John Rogers Ariel Investments	1.09M	$88M	0.9%	New+1.09M
8	Ray Dalio Bridgewater Associates	815.1K	$66M	0.2%	Added+57.7K
9	T. Rowe Price	465.9K	$38M	0.0%	Added+140.7K
10	Jeremy Grantham GMO	290.2K	$23M	0.1%	Added+168.6K
11	Mario Gabelli GAMCO	214.2K	$17M	0.2%	Added+211.1K
12	Renaissance Technologies	116.2K	$9M	0.0%	Trim−1.05M
13	Bill Nygren Harris / Oakmark	61.3K	$5M	0.0%	New+61.3K	—
14	Ken Griffin Citadel Advisors	41.5K	$3M	0.0%	Added+3.95M
15	Ken Griffin Citadel Advisors	34.3K	$3M	0.0%	Added+3.95M
16	Izzy Englander Millennium Mgmt	11.8K	$953K	0.0%	Added+902.0K
17	Paul Tudor Jones Tudor Investment	5.3K	$428K	0.0%	New+5.3K

Recent moves

20 transactions

NEWPaul Tudor Jones (Tudor Investment)
+5,300 · 2025Q4
SOLDD.E. Shaw & Co.
−79,726 · 2025Q4
ADDJeremy Grantham (GMO)
+168,646 · 2025Q4
ADDAQR Capital Management
+2,412,077 · 2025Q4
ADDIzzy Englander (Millennium Mgmt)
+901,956 · 2025Q4
ADDKen Griffin (Citadel Advisors)
+3,945,814 · 2025Q4
ADDT. Rowe Price
+140,670 · 2025Q4
NEWBill Nygren (Harris / Oakmark)
+61,340 · 2025Q4
ADDWellington Management
+4,364,797 · 2025Q4
SOLDTwo Sigma Investments
−143,910 · 2025Q4
ADDRay Dalio (Bridgewater Associates)
+57,691 · 2025Q4
NEWJohn Rogers (Ariel Investments)
+1,088,333 · 2025Q4
TRIMRenaissance Technologies
−1,053,215 · 2025Q4
NEWNorges Bank (Norway SWF)
+1,737,069 · 2025Q4
ADDMario Gabelli (GAMCO)
+211,126 · 2025Q4
ADDFirst Eagle Investment Management
+33,557 · 2025Q4
TRIMIzzy Englander (Millennium Mgmt)
−544,353 · 2025Q3
SOLDSteve Cohen (Point72)
−1,489,128 · 2025Q3
ADDTwo Sigma Investments
+26,748 · 2025Q3
TRIMD.E. Shaw & Co.
−209,251 · 2025Q3

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