OMNICOM GROUP INC

Ticker: OMC CUSIP: 681919106 Class: COM

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0001081019)

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

Q4 2025

Shares 545,796 Value ($000) $44,073 Avg Close $75.76 Range $69.18 - $82.39

Q3 2025

Shares 395,286 Value ($000) $32,228 Avg Close $74.34 Range $69.07 - $82.15

Q2 2025

Shares 378,884 Value ($000) $27,257 Avg Close $71.94 Range $67.10 - $80.64

Q1 2025

Shares 334,305 Value ($000) $27,717 Avg Close $80.64 Range $76.47 - $86.12

Q4 2024

Shares 339,218 Value ($000) $29,186 Avg Close $94.87 Range $81.50 - $102.31

Q3 2024

Shares 331,147 Value ($000) $34,237 Avg Close $91.35 Range $82.89 - $99.62

Q2 2024

Shares 327,702 Value ($000) $29,395 Avg Close $87.64 Range $83.07 - $92.41

Q1 2024

Shares 319,035 Value ($000) $30,870 Avg Close $84.10 Range $78.96 - $91.87

Q4 2023

Shares 314,999 Value ($000) $27,251 Avg Close $73.20 Range $66.98 - $82.23

Q3 2023

Shares 313,107 Value ($000) $23,320 Avg Close $75.86 Range $67.43 - $91.21

Q2 2023

Shares 330,741 Value ($000) $31,470 Avg Close $84.87 Range $76.72 - $89.36

Q1 2023

Shares 343,201 Value ($000) $32,378 Avg Close $80.37 Range $73.85 - $87.38

Q4 2022

Shares 348,760 Value ($000) $28,448 Avg Close $66.68 Range $55.85 - $74.45

Q3 2022

Shares 341,841 Value ($000) $21,567 Avg Close $60.29 Range $54.43 - $65.53

Q2 2022

Shares 349,487 Value ($000) $22,231 Avg Close $65.19 Range $54.75 - $76.93

Q1 2022

Shares 357,403 Value ($000) $30,336 Avg Close $70.18 Range $63.11 - $79.79

Q4 2021

Shares 381,700 Value ($000) $27,967 Avg Close $61.44 Range $56.73 - $66.97

Q3 2021

Shares 373,892 Value ($000) $27,092 Avg Close $63.56 Range $60.09 - $69.72

Q2 2021

Shares 377,052 Value ($000) $30,160 Avg Close $68.98 Range $62.74 - $73.18

Q1 2021

Shares 398,791 Value ($000) $29,570 Avg Close $58.12 Range $50.68 - $66.03

Q4 2020

Shares 383,782 Value ($000) $23,936 Avg Close $47.57 Range $36.97 - $54.67

Q3 2020

Shares 381,384 Value ($000) $18,879 Avg Close $44.01 Range $39.88 - $47.39

Q2 2020

Shares 373,580 Value ($000) $20,397 Avg Close $44.27 Range $37.85 - $51.94

Q1 2020

Shares 374,450 Value ($000) $20,557 Avg Close $57.15 Range $37.64 - $65.23

Q4 2019

Shares 367,985 Value ($000) $29,814 Avg Close $62.52 Range $57.82 - $65.94

Q3 2019

Shares 360,938 Value ($000) $28,261 Avg Close $62.85 Range $59.00 - $67.24

Q2 2019

Shares 361,869 Value ($000) $29,655 Avg Close $61.97 Range $57.20 - $66.14

Q1 2019

Shares 368,872 Value ($000) $26,924 Avg Close $58.50 Range $55.57 - $61.21

Q4 2018

Shares 371,323 Value ($000) $27,196 Avg Close $57.22 Range $51.46 - $60.20

Q3 2018

Shares 371,602 Value ($000) $25,276 Avg Close $53.66 Range $50.55 - $59.90

Q2 2018

Shares 376,128 Value ($000) $28,687 Avg Close $56.08 Range $52.42 - $59.08

Q1 2018

Shares 380,165 Value ($000) $27,627 Avg Close $56.50 Range $52.38 - $62.67

Q4 2017

Shares 392,175 Value ($000) $28,562 Avg Close $53.58 Range $48.73 - $58.71

Q3 2017

Shares 398,004 Value ($000) $29,480 Avg Close $57.11 Range $53.04 - $61.93

Q2 2017

Shares 430,469 Value ($000) $35,686 Avg Close $61.42 Range $58.73 - $63.77

Q1 2017

Shares 470,331 Value ($000) $40,547 Avg Close $62.46 Range $61.24 - $63.88

Q4 2016

Shares 491,531 Value ($000) $41,834 Avg Close $60.96 Range $57.12 - $65.10

Q3 2016

Shares 504,631 Value ($000) $42,894 Avg Close $60.52 Range $57.66 - $63.12

Q2 2016

Shares 500,431 Value ($000) $40,780 Avg Close $59.65 Range $54.54 - $61.60

Q1 2016

Shares 519,097 Value ($000) $43,204 Avg Close $53.77 Range $47.34 - $60.37

Q4 2015

Shares 452,708 Value ($000) $34,252 Avg Close $52.01 Range $45.58 - $55.24

Q3 2015

Shares 445,504 Value ($000) $29,359 Avg Close $49.25 Range $45.16 - $52.36

Q2 2015

Shares 446,204 Value ($000) $31,007 Avg Close $52.75 Range $48.47 - $55.29

Q1 2015

Shares 473,510 Value ($000) $36,924 Avg Close $53.02 Range $49.88 - $56.12

Q4 2014

Shares 481,710 Value ($000) $37,318 Avg Close $50.26 Range $44.08 - $54.31

Q3 2014

Shares 477,171 Value ($000) $32,858 Avg Close $48.82 Range $47.04 - $50.68

Q2 2014

Shares 481,562 Value ($000) $34,297 Avg Close $47.35 Range $44.41 - $49.44

Q1 2014

Shares 470,362 Value ($000) $34,148 Avg Close $49.73 Range $47.66 - $52.06

Q4 2013

Shares 468,162 Value ($000) $34,817 Avg Close $46.21 Range $41.19 - $50.30

Q3 2013

Shares 464,962 Value ($000) $29,497 Avg Close $42.52 Range $39.83 - $47.04

Q2 2013

Shares 450,602 Value ($000) $28,329 Avg Close $40.69 Range $38.27 - $42.87

Q1 2013

Shares 473,915 Value ($000) $27,914 Avg Close $36.84 Range $33.18 - $39.81

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	545,796	$44,073	$75.76	$69.18 - $82.39
Q3 2025	395,286	$32,228	$74.34	$69.07 - $82.15
Q2 2025	378,884	$27,257	$71.94	$67.10 - $80.64
Q1 2025	334,305	$27,717	$80.64	$76.47 - $86.12
Q4 2024	339,218	$29,186	$94.87	$81.50 - $102.31
Q3 2024	331,147	$34,237	$91.35	$82.89 - $99.62
Q2 2024	327,702	$29,395	$87.64	$83.07 - $92.41
Q1 2024	319,035	$30,870	$84.10	$78.96 - $91.87
Q4 2023	314,999	$27,251	$73.20	$66.98 - $82.23
Q3 2023	313,107	$23,320	$75.86	$67.43 - $91.21
Q2 2023	330,741	$31,470	$84.87	$76.72 - $89.36
Q1 2023	343,201	$32,378	$80.37	$73.85 - $87.38
Q4 2022	348,760	$28,448	$66.68	$55.85 - $74.45
Q3 2022	341,841	$21,567	$60.29	$54.43 - $65.53
Q2 2022	349,487	$22,231	$65.19	$54.75 - $76.93
Q1 2022	357,403	$30,336	$70.18	$63.11 - $79.79
Q4 2021	381,700	$27,967	$61.44	$56.73 - $66.97
Q3 2021	373,892	$27,092	$63.56	$60.09 - $69.72
Q2 2021	377,052	$30,160	$68.98	$62.74 - $73.18
Q1 2021	398,791	$29,570	$58.12	$50.68 - $66.03
Q4 2020	383,782	$23,936	$47.57	$36.97 - $54.67
Q3 2020	381,384	$18,879	$44.01	$39.88 - $47.39
Q2 2020	373,580	$20,397	$44.27	$37.85 - $51.94
Q1 2020	374,450	$20,557	$57.15	$37.64 - $65.23
Q4 2019	367,985	$29,814	$62.52	$57.82 - $65.94
Q3 2019	360,938	$28,261	$62.85	$59.00 - $67.24
Q2 2019	361,869	$29,655	$61.97	$57.20 - $66.14
Q1 2019	368,872	$26,924	$58.50	$55.57 - $61.21
Q4 2018	371,323	$27,196	$57.22	$51.46 - $60.20
Q3 2018	371,602	$25,276	$53.66	$50.55 - $59.90
Q2 2018	376,128	$28,687	$56.08	$52.42 - $59.08
Q1 2018	380,165	$27,627	$56.50	$52.38 - $62.67
Q4 2017	392,175	$28,562	$53.58	$48.73 - $58.71
Q3 2017	398,004	$29,480	$57.11	$53.04 - $61.93
Q2 2017	430,469	$35,686	$61.42	$58.73 - $63.77
Q1 2017	470,331	$40,547	$62.46	$61.24 - $63.88
Q4 2016	491,531	$41,834	$60.96	$57.12 - $65.10
Q3 2016	504,631	$42,894	$60.52	$57.66 - $63.12
Q2 2016	500,431	$40,780	$59.65	$54.54 - $61.60
Q1 2016	519,097	$43,204	$53.77	$47.34 - $60.37
Q4 2015	452,708	$34,252	$52.01	$45.58 - $55.24
Q3 2015	445,504	$29,359	$49.25	$45.16 - $52.36
Q2 2015	446,204	$31,007	$52.75	$48.47 - $55.29
Q1 2015	473,510	$36,924	$53.02	$49.88 - $56.12
Q4 2014	481,710	$37,318	$50.26	$44.08 - $54.31
Q3 2014	477,171	$32,858	$48.82	$47.04 - $50.68
Q2 2014	481,562	$34,297	$47.35	$44.41 - $49.44
Q1 2014	470,362	$34,148	$49.73	$47.66 - $52.06
Q4 2013	468,162	$34,817	$46.21	$41.19 - $50.30
Q3 2013	464,962	$29,497	$42.52	$39.83 - $47.04
Q2 2013	450,602	$28,329	$40.69	$38.27 - $42.87
Q1 2013	473,915	$27,914	$36.84	$33.18 - $39.81