OMNICOM GROUP INC

Ticker: OMC CUSIP: 681919106 Class: COM

BLAIR WILLIAM & CO/IL's Holding History (CIK: 0000902367)

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

Q4 2025

Shares 118,819 Value ($000) $9,595 Avg Close $75.76 Range $69.18 - $82.39

Q3 2025

Shares 116,342 Value ($000) $9,485 Avg Close $74.34 Range $69.07 - $82.15

Q2 2025

Shares 117,373 Value ($000) $8,444 Avg Close $71.94 Range $67.10 - $80.64

Q1 2025

Shares 117,058 Value ($000) $9,705 Avg Close $80.64 Range $76.47 - $86.12

Q4 2024

Shares 118,298 Value ($000) $10,178 Avg Close $94.87 Range $81.50 - $102.31

Q3 2024

Shares 123,311 Value ($000) $12,749 Avg Close $91.35 Range $82.89 - $99.62

Q2 2024

Shares 124,030 Value ($000) $11,125 Avg Close $87.64 Range $83.07 - $92.41

Q1 2024

Shares 124,317 Value ($000) $12,029 Avg Close $84.10 Range $78.96 - $91.87

Q4 2023

Shares 129,033 Value ($000) $11,163 Avg Close $73.20 Range $66.98 - $82.23

Q3 2023

Shares 232,278 Value ($000) $17,300 Avg Close $75.86 Range $67.43 - $91.21

Q2 2023

Shares 232,719 Value ($000) $22,143 Avg Close $84.87 Range $76.72 - $89.36

Q1 2023

Shares 237,410 Value ($000) $22,397 Avg Close $80.37 Range $73.85 - $87.38

Q4 2022

Shares 233,466 Value ($000) $19,044 Avg Close $66.68 Range $55.85 - $74.45

Q3 2022

Shares 233,203 Value ($000) $14,713 Avg Close $60.29 Range $54.43 - $65.53

Q2 2022

Shares 232,275 Value ($000) $14,775 Avg Close $65.19 Range $54.75 - $76.93

Q1 2022

Shares 231,624 Value ($000) $19,660 Avg Close $70.18 Range $63.11 - $79.79

Q4 2021

Shares 237,764 Value ($000) $17,421 Avg Close $61.44 Range $56.73 - $66.97

Q3 2021

Shares 233,872 Value ($000) $16,946 Avg Close $63.56 Range $60.09 - $69.72

Q2 2021

Shares 234,955 Value ($000) $18,794 Avg Close $68.98 Range $62.74 - $73.18

Q1 2021

Shares 240,899 Value ($000) $17,863 Avg Close $58.12 Range $50.68 - $66.03

Q4 2020

Shares 245,869 Value ($000) $15,335 Avg Close $47.57 Range $36.97 - $54.67

Q3 2020

Shares 247,277 Value ($000) $12,240 Avg Close $44.01 Range $39.88 - $47.39

Q2 2020

Shares 245,051 Value ($000) $13,380 Avg Close $44.27 Range $37.85 - $51.94

Q1 2020

Shares 243,941 Value ($000) $13,392 Avg Close $57.15 Range $37.64 - $65.23

Q4 2019

Shares 243,104 Value ($000) $19,696 Avg Close $62.52 Range $57.82 - $65.94

Q3 2019

Shares 256,697 Value ($000) $20,099 Avg Close $62.85 Range $59.00 - $67.24

Q2 2019

Shares 258,261 Value ($000) $21,164 Avg Close $61.97 Range $57.20 - $66.14

Q1 2019

Shares 262,906 Value ($000) $19,189 Avg Close $58.50 Range $55.57 - $61.21

Q4 2018

Shares 267,547 Value ($000) $19,595 Avg Close $57.22 Range $51.46 - $60.20

Q3 2018

Shares 268,475 Value ($000) $18,262 Avg Close $53.66 Range $50.55 - $59.90

Q2 2018

Shares 268,313 Value ($000) $20,464 Avg Close $56.08 Range $52.42 - $59.08

Q1 2018

Shares 268,745 Value ($000) $19,530 Avg Close $56.50 Range $52.38 - $62.67

Q4 2017

Shares 267,977 Value ($000) $19,517 Avg Close $53.58 Range $48.73 - $58.71

Q3 2017

Shares 268,785 Value ($000) $19,909 Avg Close $57.11 Range $53.04 - $61.93

Q2 2017

Shares 269,239 Value ($000) $22,320 Avg Close $61.42 Range $58.73 - $63.77

Q1 2017

Shares 273,797 Value ($000) $23,594 Avg Close $62.46 Range $61.24 - $63.88

Q4 2016

Shares 274,671 Value ($000) $23,377 Avg Close $60.96 Range $57.12 - $65.10

Q3 2016

Shares 275,335 Value ($000) $23,403 Avg Close $60.52 Range $57.66 - $63.12

Q2 2016

Shares 273,780 Value ($000) $22,310 Avg Close $59.65 Range $54.54 - $61.60

Q1 2016

Shares 273,064 Value ($000) $22,727 Avg Close $53.77 Range $47.34 - $60.37

Q4 2015

Shares 29,828 Value ($000) $2,257 Avg Close $52.01 Range $45.58 - $55.24

Q3 2015

Shares 29,829 Value ($000) $1,965 Avg Close $49.25 Range $45.16 - $52.36

Q2 2015

Shares 33,669 Value ($000) $2,339 Avg Close $52.75 Range $48.47 - $55.29

Q1 2015

Shares 30,241 Value ($000) $2,358 Avg Close $53.02 Range $49.88 - $56.12

Q4 2014

Shares 31,834 Value ($000) $2,466 Avg Close $50.26 Range $44.08 - $54.31

Q3 2014

Shares 16,410 Value ($000) $1,130 Avg Close $48.82 Range $47.04 - $50.68

Q2 2014

Shares 15,342 Value ($000) $1,092 Avg Close $47.35 Range $44.41 - $49.44

Q1 2014

Shares 38,042 Value ($000) $2,761 Avg Close $49.73 Range $47.66 - $52.06

Q4 2013

Shares 42,054 Value ($000) $3,127 Avg Close $46.21 Range $41.19 - $50.30

Q3 2013

Shares 43,298 Value ($000) $2,747 Avg Close $42.52 Range $39.83 - $47.04

Q2 2013

Shares 15,328 Value ($000) $964 Avg Close $40.69 Range $38.27 - $42.87

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	118,819	$9,595	$75.76	$69.18 - $82.39
Q3 2025	116,342	$9,485	$74.34	$69.07 - $82.15
Q2 2025	117,373	$8,444	$71.94	$67.10 - $80.64
Q1 2025	117,058	$9,705	$80.64	$76.47 - $86.12
Q4 2024	118,298	$10,178	$94.87	$81.50 - $102.31
Q3 2024	123,311	$12,749	$91.35	$82.89 - $99.62
Q2 2024	124,030	$11,125	$87.64	$83.07 - $92.41
Q1 2024	124,317	$12,029	$84.10	$78.96 - $91.87
Q4 2023	129,033	$11,163	$73.20	$66.98 - $82.23
Q3 2023	232,278	$17,300	$75.86	$67.43 - $91.21
Q2 2023	232,719	$22,143	$84.87	$76.72 - $89.36
Q1 2023	237,410	$22,397	$80.37	$73.85 - $87.38
Q4 2022	233,466	$19,044	$66.68	$55.85 - $74.45
Q3 2022	233,203	$14,713	$60.29	$54.43 - $65.53
Q2 2022	232,275	$14,775	$65.19	$54.75 - $76.93
Q1 2022	231,624	$19,660	$70.18	$63.11 - $79.79
Q4 2021	237,764	$17,421	$61.44	$56.73 - $66.97
Q3 2021	233,872	$16,946	$63.56	$60.09 - $69.72
Q2 2021	234,955	$18,794	$68.98	$62.74 - $73.18
Q1 2021	240,899	$17,863	$58.12	$50.68 - $66.03
Q4 2020	245,869	$15,335	$47.57	$36.97 - $54.67
Q3 2020	247,277	$12,240	$44.01	$39.88 - $47.39
Q2 2020	245,051	$13,380	$44.27	$37.85 - $51.94
Q1 2020	243,941	$13,392	$57.15	$37.64 - $65.23
Q4 2019	243,104	$19,696	$62.52	$57.82 - $65.94
Q3 2019	256,697	$20,099	$62.85	$59.00 - $67.24
Q2 2019	258,261	$21,164	$61.97	$57.20 - $66.14
Q1 2019	262,906	$19,189	$58.50	$55.57 - $61.21
Q4 2018	267,547	$19,595	$57.22	$51.46 - $60.20
Q3 2018	268,475	$18,262	$53.66	$50.55 - $59.90
Q2 2018	268,313	$20,464	$56.08	$52.42 - $59.08
Q1 2018	268,745	$19,530	$56.50	$52.38 - $62.67
Q4 2017	267,977	$19,517	$53.58	$48.73 - $58.71
Q3 2017	268,785	$19,909	$57.11	$53.04 - $61.93
Q2 2017	269,239	$22,320	$61.42	$58.73 - $63.77
Q1 2017	273,797	$23,594	$62.46	$61.24 - $63.88
Q4 2016	274,671	$23,377	$60.96	$57.12 - $65.10
Q3 2016	275,335	$23,403	$60.52	$57.66 - $63.12
Q2 2016	273,780	$22,310	$59.65	$54.54 - $61.60
Q1 2016	273,064	$22,727	$53.77	$47.34 - $60.37
Q4 2015	29,828	$2,257	$52.01	$45.58 - $55.24
Q3 2015	29,829	$1,965	$49.25	$45.16 - $52.36
Q2 2015	33,669	$2,339	$52.75	$48.47 - $55.29
Q1 2015	30,241	$2,358	$53.02	$49.88 - $56.12
Q4 2014	31,834	$2,466	$50.26	$44.08 - $54.31
Q3 2014	16,410	$1,130	$48.82	$47.04 - $50.68
Q2 2014	15,342	$1,092	$47.35	$44.41 - $49.44
Q1 2014	38,042	$2,761	$49.73	$47.66 - $52.06
Q4 2013	42,054	$3,127	$46.21	$41.19 - $50.30
Q3 2013	43,298	$2,747	$42.52	$39.83 - $47.04
Q2 2013	15,328	$964	$40.69	$38.27 - $42.87