OMNICOM GROUP INC

Ticker: OMC CUSIP: 681919106 Class: COM

ADAGE CAPITAL PARTNERS GP, L.L.C.'s Holding History (CIK: 0001165408)

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

Q4 2025

Shares 296,465 Value ($000) $23,940 Avg Close $75.76 Range $69.18 - $82.39

Q3 2025

Shares 5,327 Value ($000) $434 Avg Close $74.34 Range $69.07 - $82.15

Q4 2024

Shares 31,410 Value ($000) $2,703 Avg Close $94.87 Range $81.50 - $102.31

Q3 2024

Shares 184,378 Value ($000) $19,063 Avg Close $91.35 Range $82.89 - $99.62

Q2 2024

Shares 187,878 Value ($000) $16,853 Avg Close $87.64 Range $83.07 - $92.41

Q1 2024

Shares 194,178 Value ($000) $18,789 Avg Close $84.10 Range $78.96 - $91.87

Q4 2023

Shares 192,278 Value ($000) $16,634 Avg Close $73.20 Range $66.98 - $82.23

Q3 2023

Shares 196,478 Value ($000) $14,634 Avg Close $75.86 Range $67.43 - $91.21

Q2 2023

Shares 198,778 Value ($000) $18,914 Avg Close $84.87 Range $76.72 - $89.36

Q1 2023

Shares 202,978 Value ($000) $19,149 Avg Close $80.37 Range $73.85 - $87.38

Q4 2022

Shares 207,378 Value ($000) $16,916 Avg Close $66.68 Range $55.85 - $74.45

Q3 2022

Shares 208,678 Value ($000) $13,165 Avg Close $60.29 Range $54.43 - $65.53

Q2 2022

Shares 214,278 Value ($000) $13,630 Avg Close $65.19 Range $54.75 - $76.93

Q1 2022

Shares 218,278 Value ($000) $18,527 Avg Close $70.18 Range $63.11 - $79.79

Q4 2021

Shares 226,478 Value ($000) $16,594 Avg Close $61.44 Range $56.73 - $66.97

Q3 2021

Shares 228,750 Value ($000) $16,575 Avg Close $63.56 Range $60.09 - $69.72

Q2 2021

Shares 234,050 Value ($000) $18,722 Avg Close $68.98 Range $62.74 - $73.18

Q1 2021

Shares 237,542 Value ($000) $17,614 Avg Close $58.12 Range $50.68 - $66.03

Q1 2020

Shares 248,500 Value ($000) $13,643 Avg Close $57.15 Range $37.64 - $65.23

Q4 2019

Shares 253,500 Value ($000) $20,539 Avg Close $62.52 Range $57.82 - $65.94

Q2 2019

Shares 27,900 Value ($000) $2,286 Avg Close $61.97 Range $57.20 - $66.14

Q4 2017

Shares 301,800 Value ($000) $21,980 Avg Close $53.58 Range $48.73 - $58.71

Q3 2016

Shares 20,273 Value ($000) $1,723 Avg Close $60.52 Range $57.66 - $63.12

Q4 2015

Shares 36,803 Value ($000) $2,785 Avg Close $52.01 Range $45.58 - $55.24

Q2 2014

Shares 324,700 Value ($000) $23,125 Avg Close $47.35 Range $44.41 - $49.44

Q1 2014

Shares 983,340 Value ($000) $71,390 Avg Close $49.73 Range $47.66 - $52.06

Q4 2013

Shares 1,896,645 Value ($000) $141,053 Avg Close $46.21 Range $41.19 - $50.30

Q3 2013

Shares 438,040 Value ($000) $27,789 Avg Close $42.52 Range $39.83 - $47.04

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	296,465	$23,940	$75.76	$69.18 - $82.39
Q3 2025	5,327	$434	$74.34	$69.07 - $82.15
Q4 2024	31,410	$2,703	$94.87	$81.50 - $102.31
Q3 2024	184,378	$19,063	$91.35	$82.89 - $99.62
Q2 2024	187,878	$16,853	$87.64	$83.07 - $92.41
Q1 2024	194,178	$18,789	$84.10	$78.96 - $91.87
Q4 2023	192,278	$16,634	$73.20	$66.98 - $82.23
Q3 2023	196,478	$14,634	$75.86	$67.43 - $91.21
Q2 2023	198,778	$18,914	$84.87	$76.72 - $89.36
Q1 2023	202,978	$19,149	$80.37	$73.85 - $87.38
Q4 2022	207,378	$16,916	$66.68	$55.85 - $74.45
Q3 2022	208,678	$13,165	$60.29	$54.43 - $65.53
Q2 2022	214,278	$13,630	$65.19	$54.75 - $76.93
Q1 2022	218,278	$18,527	$70.18	$63.11 - $79.79
Q4 2021	226,478	$16,594	$61.44	$56.73 - $66.97
Q3 2021	228,750	$16,575	$63.56	$60.09 - $69.72
Q2 2021	234,050	$18,722	$68.98	$62.74 - $73.18
Q1 2021	237,542	$17,614	$58.12	$50.68 - $66.03
Q1 2020	248,500	$13,643	$57.15	$37.64 - $65.23
Q4 2019	253,500	$20,539	$62.52	$57.82 - $65.94
Q2 2019	27,900	$2,286	$61.97	$57.20 - $66.14
Q4 2017	301,800	$21,980	$53.58	$48.73 - $58.71
Q3 2016	20,273	$1,723	$60.52	$57.66 - $63.12
Q4 2015	36,803	$2,785	$52.01	$45.58 - $55.24
Q2 2014	324,700	$23,125	$47.35	$44.41 - $49.44
Q1 2014	983,340	$71,390	$49.73	$47.66 - $52.06
Q4 2013	1,896,645	$141,053	$46.21	$41.19 - $50.30
Q3 2013	438,040	$27,789	$42.52	$39.83 - $47.04