MERCK & CO INC

Ticker: MRK CUSIP: 58933Y105 Class: COM

WRIGHT INVESTORS SERVICE INC's Holding History (CIK: 0000108572)

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

Q4 2025

Shares 3,656 Value ($000) $385 Avg Close $93.24 Range $81.31 - $107.59

Q3 2025

Shares 3,771 Value ($000) $317 Avg Close $81.01 Range $75.27 - $86.24

Q2 2025

Shares 14,237 Value ($000) $1,127 Avg Close $77.39 Range $71.26 - $87.25

Q1 2025

Shares 9,889 Value ($000) $888 Avg Close $90.12 Range $78.10 - $99.24

Q4 2024

Shares 11,703 Value ($000) $1,164 Avg Close $98.70 Range $90.33 - $109.75

Q3 2024

Shares 21,398 Value ($000) $2,430 Avg Close $112.96 Range $105.16 - $123.40

Q2 2024

Shares 28,480 Value ($000) $3,526 Avg Close $121.72 Range $114.80 - $127.87

Q1 2024

Shares 39,022 Value ($000) $5,149 Avg Close $115.77 Range $102.41 - $125.66

Q4 2023

Shares 37,902 Value ($000) $4,132 Avg Close $96.81 Range $92.34 - $102.48

Q3 2023

Shares 43,966 Value ($000) $4,526 Avg Close $99.84 Range $95.67 - $106.04

Q2 2023

Shares 43,479 Value ($000) $5,017 Avg Close $104.47 Range $97.02 - $109.95

Q1 2023

Shares 40,536 Value ($000) $4,313 Avg Close $98.68 Range $92.86 - $105.40

Q4 2022

Shares 38,984 Value ($000) $4,325 Avg Close $92.80 Range $77.99 - $103.03

Q3 2022

Shares 36,159 Value ($000) $3,114 Avg Close $80.41 Range $76.51 - $85.75

Q2 2022

Shares 32,277 Value ($000) $2,943 Avg Close $79.21 Range $72.83 - $86.09

Q1 2022

Shares 20,254 Value ($000) $1,662 Avg Close $69.85 Range $64.44 - $74.38

Q4 2021

Shares 17,458 Value ($000) $1,338 Avg Close $69.89 Range $62.63 - $80.06

Q3 2021

Shares 16,428 Value ($000) $1,234 Avg Close $66.14 Range $62.09 - $68.78

Q2 2021

Shares 27,236 Value ($000) $2,118 Avg Close $64.14 Range $59.83 - $67.79

Q1 2021

Shares 26,412 Value ($000) $2,036 Avg Close $63.06 Range $58.39 - $69.69

Q4 2020

Shares 24,047 Value ($000) $1,967 Avg Close $64.85 Range $59.73 - $68.80

Q3 2020

Shares 23,541 Value ($000) $1,953 Avg Close $65.93 Range $60.98 - $70.41

Q4 2015

Shares 16,501 Value ($000) $872 Avg Close $36.77 Range $33.58 - $38.73

Q3 2015

Shares 7,761 Value ($000) $383 Avg Close $38.40 Range $31.46 - $41.36

Q2 2015

Shares 5,126 Value ($000) $292 Avg Close $40.23 Range $38.42 - $42.17

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	3,656	$385	$93.24	$81.31 - $107.59
Q3 2025	3,771	$317	$81.01	$75.27 - $86.24
Q2 2025	14,237	$1,127	$77.39	$71.26 - $87.25
Q1 2025	9,889	$888	$90.12	$78.10 - $99.24
Q4 2024	11,703	$1,164	$98.70	$90.33 - $109.75
Q3 2024	21,398	$2,430	$112.96	$105.16 - $123.40
Q2 2024	28,480	$3,526	$121.72	$114.80 - $127.87
Q1 2024	39,022	$5,149	$115.77	$102.41 - $125.66
Q4 2023	37,902	$4,132	$96.81	$92.34 - $102.48
Q3 2023	43,966	$4,526	$99.84	$95.67 - $106.04
Q2 2023	43,479	$5,017	$104.47	$97.02 - $109.95
Q1 2023	40,536	$4,313	$98.68	$92.86 - $105.40
Q4 2022	38,984	$4,325	$92.80	$77.99 - $103.03
Q3 2022	36,159	$3,114	$80.41	$76.51 - $85.75
Q2 2022	32,277	$2,943	$79.21	$72.83 - $86.09
Q1 2022	20,254	$1,662	$69.85	$64.44 - $74.38
Q4 2021	17,458	$1,338	$69.89	$62.63 - $80.06
Q3 2021	16,428	$1,234	$66.14	$62.09 - $68.78
Q2 2021	27,236	$2,118	$64.14	$59.83 - $67.79
Q1 2021	26,412	$2,036	$63.06	$58.39 - $69.69
Q4 2020	24,047	$1,967	$64.85	$59.73 - $68.80
Q3 2020	23,541	$1,953	$65.93	$60.98 - $70.41
Q4 2015	16,501	$872	$36.77	$33.58 - $38.73
Q3 2015	7,761	$383	$38.40	$31.46 - $41.36
Q2 2015	5,126	$292	$40.23	$38.42 - $42.17