OMNICOM GROUP INC

Ticker: OMC CUSIP: 681919106 Class: COM

ACADIAN ASSET MANAGEMENT LLC's Holding History (CIK: 0000916542)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 385 Value ($000) $0 Avg Close $75.76 Range $69.18 - $82.39

Q3 2025

Shares 385 Value ($000) $0 Avg Close $74.34 Range $69.07 - $82.15

Q2 2025

Shares 385 Value ($000) $0 Avg Close $71.94 Range $67.10 - $80.64

Q1 2025

Shares 385 Value ($000) $0 Avg Close $80.64 Range $76.47 - $86.12

Q4 2024

Shares 385 Value ($000) $0 Avg Close $94.87 Range $81.50 - $102.31

Q3 2024

Shares 385 Value ($000) $0 Avg Close $91.35 Range $82.89 - $99.62

Q2 2024

Shares 6,904 Value ($000) $1 Avg Close $87.64 Range $83.07 - $92.41

Q1 2024

Shares 54,122 Value ($000) $5 Avg Close $84.10 Range $78.96 - $91.87

Q4 2023

Shares 385 Value ($000) $0 Avg Close $73.20 Range $66.98 - $82.23

Q3 2023

Shares 1,210 Value ($000) $0 Avg Close $75.86 Range $67.43 - $91.21

Q2 2023

Shares 29,983 Value ($000) $3 Avg Close $84.87 Range $76.72 - $89.36

Q1 2023

Shares 82,041 Value ($000) $8 Avg Close $80.37 Range $73.85 - $87.38

Q4 2022

Shares 8,441 Value ($000) $1 Avg Close $66.68 Range $55.85 - $74.45

Q3 2022

Shares 385 Value ($000) $24 Avg Close $60.29 Range $54.43 - $65.53

Q2 2022

Shares 8,762 Value ($000) $556 Avg Close $65.19 Range $54.75 - $76.93

Q1 2022

Shares 394,523 Value ($000) $33,473 Avg Close $70.18 Range $63.11 - $79.79

Q4 2021

Shares 526,486 Value ($000) $38,558 Avg Close $61.44 Range $56.73 - $66.97

Q3 2021

Shares 1,139,534 Value ($000) $82,543 Avg Close $63.56 Range $60.09 - $69.72

Q2 2021

Shares 845,064 Value ($000) $67,596 Avg Close $68.98 Range $62.74 - $73.18

Q1 2021

Shares 432,093 Value ($000) $32,038 Avg Close $58.12 Range $50.68 - $66.03

Q4 2020

Shares 705,459 Value ($000) $43,999 Avg Close $47.57 Range $36.97 - $54.67

Q3 2020

Shares 788,722 Value ($000) $39,039 Avg Close $44.01 Range $39.88 - $47.39

Q2 2020

Shares 937,815 Value ($000) $51,203 Avg Close $44.27 Range $37.85 - $51.94

Q1 2020

Shares 960,017 Value ($000) $52,705 Avg Close $57.15 Range $37.64 - $65.23

Q4 2019

Shares 466,633 Value ($000) $37,806 Avg Close $62.52 Range $57.82 - $65.94

Q3 2019

Shares 495,598 Value ($000) $38,805 Avg Close $62.85 Range $59.00 - $67.24

Q2 2019

Shares 335,311 Value ($000) $27,479 Avg Close $61.97 Range $57.20 - $66.14

Q1 2019

Shares 35,238 Value ($000) $2,572 Avg Close $58.50 Range $55.57 - $61.21

Q4 2018

Shares 26,594 Value ($000) $1,948 Avg Close $57.22 Range $51.46 - $60.20

Q3 2018

Shares 4,019 Value ($000) $273 Avg Close $53.66 Range $50.55 - $59.90

Q2 2018

Shares 37,077 Value ($000) $2,826 Avg Close $56.08 Range $52.42 - $59.08

Q1 2018

Shares 177,363 Value ($000) $12,887 Avg Close $56.50 Range $52.38 - $62.67

Q4 2017

Shares 567,169 Value ($000) $41,305 Avg Close $53.58 Range $48.73 - $58.71

Q3 2017

Shares 211,695 Value ($000) $15,680 Avg Close $57.11 Range $53.04 - $61.93

Q2 2017

Shares 52,166 Value ($000) $4,325 Avg Close $61.42 Range $58.73 - $63.77

Q1 2017

Shares 528 Value ($000) $45 Avg Close $62.46 Range $61.24 - $63.88

Q4 2016

Shares 488 Value ($000) $42 Avg Close $60.96 Range $57.12 - $65.10

Q3 2016

Shares 7,297 Value ($000) $622 Avg Close $60.52 Range $57.66 - $63.12

Q2 2016

Shares 12,086 Value ($000) $984 Avg Close $59.65 Range $54.54 - $61.60

Q1 2016

Shares 6,424 Value ($000) $535 Avg Close $53.77 Range $47.34 - $60.37

Q2 2015

Shares 22,028 Value ($000) $1,531 Avg Close $52.75 Range $48.47 - $55.29

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	385	$0	$75.76	$69.18 - $82.39
Q3 2025	385	$0	$74.34	$69.07 - $82.15
Q2 2025	385	$0	$71.94	$67.10 - $80.64
Q1 2025	385	$0	$80.64	$76.47 - $86.12
Q4 2024	385	$0	$94.87	$81.50 - $102.31
Q3 2024	385	$0	$91.35	$82.89 - $99.62
Q2 2024	6,904	$1	$87.64	$83.07 - $92.41
Q1 2024	54,122	$5	$84.10	$78.96 - $91.87
Q4 2023	385	$0	$73.20	$66.98 - $82.23
Q3 2023	1,210	$0	$75.86	$67.43 - $91.21
Q2 2023	29,983	$3	$84.87	$76.72 - $89.36
Q1 2023	82,041	$8	$80.37	$73.85 - $87.38
Q4 2022	8,441	$1	$66.68	$55.85 - $74.45
Q3 2022	385	$24	$60.29	$54.43 - $65.53
Q2 2022	8,762	$556	$65.19	$54.75 - $76.93
Q1 2022	394,523	$33,473	$70.18	$63.11 - $79.79
Q4 2021	526,486	$38,558	$61.44	$56.73 - $66.97
Q3 2021	1,139,534	$82,543	$63.56	$60.09 - $69.72
Q2 2021	845,064	$67,596	$68.98	$62.74 - $73.18
Q1 2021	432,093	$32,038	$58.12	$50.68 - $66.03
Q4 2020	705,459	$43,999	$47.57	$36.97 - $54.67
Q3 2020	788,722	$39,039	$44.01	$39.88 - $47.39
Q2 2020	937,815	$51,203	$44.27	$37.85 - $51.94
Q1 2020	960,017	$52,705	$57.15	$37.64 - $65.23
Q4 2019	466,633	$37,806	$62.52	$57.82 - $65.94
Q3 2019	495,598	$38,805	$62.85	$59.00 - $67.24
Q2 2019	335,311	$27,479	$61.97	$57.20 - $66.14
Q1 2019	35,238	$2,572	$58.50	$55.57 - $61.21
Q4 2018	26,594	$1,948	$57.22	$51.46 - $60.20
Q3 2018	4,019	$273	$53.66	$50.55 - $59.90
Q2 2018	37,077	$2,826	$56.08	$52.42 - $59.08
Q1 2018	177,363	$12,887	$56.50	$52.38 - $62.67
Q4 2017	567,169	$41,305	$53.58	$48.73 - $58.71
Q3 2017	211,695	$15,680	$57.11	$53.04 - $61.93
Q2 2017	52,166	$4,325	$61.42	$58.73 - $63.77
Q1 2017	528	$45	$62.46	$61.24 - $63.88
Q4 2016	488	$42	$60.96	$57.12 - $65.10
Q3 2016	7,297	$622	$60.52	$57.66 - $63.12
Q2 2016	12,086	$984	$59.65	$54.54 - $61.60
Q1 2016	6,424	$535	$53.77	$47.34 - $60.37
Q2 2015	22,028	$1,531	$52.75	$48.47 - $55.29