OMNICOM GROUP INC

Ticker: OMC CUSIP: 681919106 Class: COM

AMERICAN CENTURY COMPANIES INC's Holding History (CIK: 0000748054)

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

Q4 2025

Shares 1,212,551 Value ($000) $97,914 Avg Close $75.76 Range $69.18 - $82.39

Q3 2025

Shares 1,139,521 Value ($000) $92,905 Avg Close $74.34 Range $69.07 - $82.15

Q2 2025

Shares 1,433,137 Value ($000) $103,100 Avg Close $71.94 Range $67.10 - $80.64

Q1 2025

Shares 1,319,856 Value ($000) $109,429 Avg Close $80.64 Range $76.47 - $86.12

Q4 2024

Shares 1,018,687 Value ($000) $87,648 Avg Close $94.87 Range $81.50 - $102.31

Q3 2024

Shares 868,582 Value ($000) $89,803 Avg Close $91.35 Range $82.89 - $99.62

Q2 2024

Shares 997,959 Value ($000) $89,517 Avg Close $87.64 Range $83.07 - $92.41

Q1 2024

Shares 995,162 Value ($000) $96,292 Avg Close $84.10 Range $78.96 - $91.87

Q4 2023

Shares 1,725,151 Value ($000) $149,243 Avg Close $73.20 Range $66.98 - $82.23

Q3 2023

Shares 1,660,735 Value ($000) $123,692 Avg Close $75.86 Range $67.43 - $91.21

Q2 2023

Shares 1,423,808 Value ($000) $135,475 Avg Close $84.87 Range $76.72 - $89.36

Q1 2023

Shares 1,702,850 Value ($000) $160,636 Avg Close $80.37 Range $73.85 - $87.38

Q4 2022

Shares 1,975,361 Value ($000) $161,130 Avg Close $66.68 Range $55.85 - $74.45

Q3 2022

Shares 51,471 Value ($000) $3,247 Avg Close $60.29 Range $54.43 - $65.53

Q2 2022

Shares 53,213 Value ($000) $3,384 Avg Close $65.19 Range $54.75 - $76.93

Q1 2022

Shares 186,753 Value ($000) $15,852 Avg Close $70.18 Range $63.11 - $79.79

Q4 2021

Shares 33,156 Value ($000) $2,429 Avg Close $61.44 Range $56.73 - $66.97

Q3 2021

Shares 26,661 Value ($000) $1,932 Avg Close $63.56 Range $60.09 - $69.72

Q2 2021

Shares 27,379 Value ($000) $2,190 Avg Close $68.98 Range $62.74 - $73.18

Q1 2021

Shares 19,053 Value ($000) $1,413 Avg Close $58.12 Range $50.68 - $66.03

Q4 2020

Shares 164,819 Value ($000) $10,280 Avg Close $47.57 Range $36.97 - $54.67

Q3 2020

Shares 7,397 Value ($000) $366 Avg Close $44.01 Range $39.88 - $47.39

Q2 2020

Shares 15,303 Value ($000) $836 Avg Close $44.27 Range $37.85 - $51.94

Q1 2020

Shares 367,962 Value ($000) $20,201 Avg Close $57.15 Range $37.64 - $65.23

Q4 2019

Shares 228,712 Value ($000) $18,530 Avg Close $62.52 Range $57.82 - $65.94

Q3 2019

Shares 5,521 Value ($000) $432 Avg Close $62.85 Range $59.00 - $67.24

Q2 2019

Shares 5,600 Value ($000) $459 Avg Close $61.97 Range $57.20 - $66.14

Q1 2019

Shares 9,417 Value ($000) $687 Avg Close $58.50 Range $55.57 - $61.21

Q4 2018

Shares 8,856 Value ($000) $649 Avg Close $57.22 Range $51.46 - $60.20

Q3 2018

Shares 7,352 Value ($000) $500 Avg Close $53.66 Range $50.55 - $59.90

Q2 2018

Shares 6,847 Value ($000) $522 Avg Close $56.08 Range $52.42 - $59.08

Q1 2018

Shares 14,215 Value ($000) $1,033 Avg Close $56.50 Range $52.38 - $62.67

Q4 2017

Shares 14,483 Value ($000) $1,055 Avg Close $53.58 Range $48.73 - $58.71

Q3 2017

Shares 20,862 Value ($000) $1,545 Avg Close $57.11 Range $53.04 - $61.93

Q2 2017

Shares 742,648 Value ($000) $61,566 Avg Close $61.42 Range $58.73 - $63.77

Q1 2017

Shares 958,371 Value ($000) $82,621 Avg Close $62.46 Range $61.24 - $63.88

Q4 2016

Shares 692,794 Value ($000) $58,964 Avg Close $60.96 Range $57.12 - $65.10

Q3 2016

Shares 20,879 Value ($000) $1,775 Avg Close $60.52 Range $57.66 - $63.12

Q2 2016

Shares 10,185 Value ($000) $830 Avg Close $59.65 Range $54.54 - $61.60

Q1 2016

Shares 10,185 Value ($000) $848 Avg Close $53.77 Range $47.34 - $60.37

Q4 2015

Shares 7,731 Value ($000) $585 Avg Close $52.01 Range $45.58 - $55.24

Q3 2015

Shares 8,681 Value ($000) $572 Avg Close $49.25 Range $45.16 - $52.36

Q2 2015

Shares 988,178 Value ($000) $68,668 Avg Close $52.75 Range $48.47 - $55.29

Q1 2015

Shares 732,682 Value ($000) $57,135 Avg Close $53.02 Range $49.88 - $56.12

Q4 2014

Shares 480,846 Value ($000) $37,251 Avg Close $50.26 Range $44.08 - $54.31

Q3 2014

Shares 4,959 Value ($000) $341 Avg Close $48.82 Range $47.04 - $50.68

Q2 2014

Shares 4,959 Value ($000) $353 Avg Close $47.35 Range $44.41 - $49.44

Q1 2014

Shares 4,959 Value ($000) $360 Avg Close $49.73 Range $47.66 - $52.06

Q4 2013

Shares 5,027 Value ($000) $374 Avg Close $46.21 Range $41.19 - $50.30

Q3 2013

Shares 4,976 Value ($000) $316 Avg Close $42.52 Range $39.83 - $47.04

Q2 2013

Shares 406,957 Value ($000) $25,585 Avg Close $40.69 Range $38.27 - $42.87

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,212,551	$97,914	$75.76	$69.18 - $82.39
Q3 2025	1,139,521	$92,905	$74.34	$69.07 - $82.15
Q2 2025	1,433,137	$103,100	$71.94	$67.10 - $80.64
Q1 2025	1,319,856	$109,429	$80.64	$76.47 - $86.12
Q4 2024	1,018,687	$87,648	$94.87	$81.50 - $102.31
Q3 2024	868,582	$89,803	$91.35	$82.89 - $99.62
Q2 2024	997,959	$89,517	$87.64	$83.07 - $92.41
Q1 2024	995,162	$96,292	$84.10	$78.96 - $91.87
Q4 2023	1,725,151	$149,243	$73.20	$66.98 - $82.23
Q3 2023	1,660,735	$123,692	$75.86	$67.43 - $91.21
Q2 2023	1,423,808	$135,475	$84.87	$76.72 - $89.36
Q1 2023	1,702,850	$160,636	$80.37	$73.85 - $87.38
Q4 2022	1,975,361	$161,130	$66.68	$55.85 - $74.45
Q3 2022	51,471	$3,247	$60.29	$54.43 - $65.53
Q2 2022	53,213	$3,384	$65.19	$54.75 - $76.93
Q1 2022	186,753	$15,852	$70.18	$63.11 - $79.79
Q4 2021	33,156	$2,429	$61.44	$56.73 - $66.97
Q3 2021	26,661	$1,932	$63.56	$60.09 - $69.72
Q2 2021	27,379	$2,190	$68.98	$62.74 - $73.18
Q1 2021	19,053	$1,413	$58.12	$50.68 - $66.03
Q4 2020	164,819	$10,280	$47.57	$36.97 - $54.67
Q3 2020	7,397	$366	$44.01	$39.88 - $47.39
Q2 2020	15,303	$836	$44.27	$37.85 - $51.94
Q1 2020	367,962	$20,201	$57.15	$37.64 - $65.23
Q4 2019	228,712	$18,530	$62.52	$57.82 - $65.94
Q3 2019	5,521	$432	$62.85	$59.00 - $67.24
Q2 2019	5,600	$459	$61.97	$57.20 - $66.14
Q1 2019	9,417	$687	$58.50	$55.57 - $61.21
Q4 2018	8,856	$649	$57.22	$51.46 - $60.20
Q3 2018	7,352	$500	$53.66	$50.55 - $59.90
Q2 2018	6,847	$522	$56.08	$52.42 - $59.08
Q1 2018	14,215	$1,033	$56.50	$52.38 - $62.67
Q4 2017	14,483	$1,055	$53.58	$48.73 - $58.71
Q3 2017	20,862	$1,545	$57.11	$53.04 - $61.93
Q2 2017	742,648	$61,566	$61.42	$58.73 - $63.77
Q1 2017	958,371	$82,621	$62.46	$61.24 - $63.88
Q4 2016	692,794	$58,964	$60.96	$57.12 - $65.10
Q3 2016	20,879	$1,775	$60.52	$57.66 - $63.12
Q2 2016	10,185	$830	$59.65	$54.54 - $61.60
Q1 2016	10,185	$848	$53.77	$47.34 - $60.37
Q4 2015	7,731	$585	$52.01	$45.58 - $55.24
Q3 2015	8,681	$572	$49.25	$45.16 - $52.36
Q2 2015	988,178	$68,668	$52.75	$48.47 - $55.29
Q1 2015	732,682	$57,135	$53.02	$49.88 - $56.12
Q4 2014	480,846	$37,251	$50.26	$44.08 - $54.31
Q3 2014	4,959	$341	$48.82	$47.04 - $50.68
Q2 2014	4,959	$353	$47.35	$44.41 - $49.44
Q1 2014	4,959	$360	$49.73	$47.66 - $52.06
Q4 2013	5,027	$374	$46.21	$41.19 - $50.30
Q3 2013	4,976	$316	$42.52	$39.83 - $47.04
Q2 2013	406,957	$25,585	$40.69	$38.27 - $42.87