MERCK & CO INC

Ticker: MRK CUSIP: 58933Y105 Class: COM

Vectors Research Management, LLC's Holding History (CIK: 0001750557)

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

Q4 2025

Shares 2,712 Value ($000) $285 Avg Close $93.24 Range $81.31 - $107.59

Q3 2025

Shares 2,745 Value ($000) $230 Avg Close $81.01 Range $75.27 - $86.24

Q2 2025

Shares 2,745 Value ($000) $217 Avg Close $77.39 Range $71.26 - $87.25

Q1 2025

Shares 14,439 Value ($000) $1,296 Avg Close $90.12 Range $78.10 - $99.24

Q4 2024

Shares 14,423 Value ($000) $1,435 Avg Close $98.70 Range $90.33 - $109.75

Q3 2024

Shares 15,958 Value ($000) $2 Avg Close $112.96 Range $105.16 - $123.40

Q2 2024

Shares 16,343 Value ($000) $2 Avg Close $121.72 Range $114.80 - $127.87

Q1 2024

Shares 16,842 Value ($000) $2 Avg Close $115.77 Range $102.41 - $125.66

Q4 2023

Shares 17,932 Value ($000) $2 Avg Close $96.81 Range $92.34 - $102.48

Q3 2023

Shares 18,247 Value ($000) $2 Avg Close $99.84 Range $95.67 - $106.04

Q2 2023

Shares 17,961 Value ($000) $2 Avg Close $104.47 Range $97.02 - $109.95

Q1 2023

Shares 18,997 Value ($000) $2 Avg Close $98.68 Range $92.86 - $105.40

Q4 2022

Shares 19,210 Value ($000) $2 Avg Close $92.80 Range $77.99 - $103.03

Q3 2022

Shares 18,228 Value ($000) $1,570 Avg Close $80.41 Range $76.51 - $85.75

Q2 2022

Shares 18,638 Value ($000) $1,699 Avg Close $79.21 Range $72.83 - $86.09

Q1 2022

Shares 19,053 Value ($000) $1,563 Avg Close $69.85 Range $64.44 - $74.38

Q4 2021

Shares 18,752 Value ($000) $1,437 Avg Close $69.89 Range $62.63 - $80.06

Q3 2021

Shares 17,924 Value ($000) $1,346 Avg Close $66.14 Range $62.09 - $68.78

Q2 2021

Shares 16,956 Value ($000) $1,319 Avg Close $64.14 Range $59.83 - $67.79

Q1 2021

Shares 16,530 Value ($000) $1,274 Avg Close $63.06 Range $58.39 - $69.69

Q4 2020

Shares 16,598 Value ($000) $1,358 Avg Close $64.85 Range $59.73 - $68.80

Q3 2020

Shares 9,792 Value ($000) $815 Avg Close $65.93 Range $60.98 - $70.41

Q2 2020

Shares 9,872 Value ($000) $763 Avg Close $62.87 Range $58.07 - $67.36

Q1 2020

Shares 2,875 Value ($000) $221 Avg Close $65.09 Range $51.91 - $72.71

Q4 2019

Shares 2,875 Value ($000) $261 Avg Close $67.55 Range $62.89 - $73.10

Q3 2019

Shares 2,884 Value ($000) $243 Avg Close $65.47 Range $61.22 - $68.01

Q2 2019

Shares 2,908 Value ($000) $244 Avg Close $62.14 Range $55.86 - $67.34

Q1 2019

Shares 2,907 Value ($000) $242 Avg Close $60.29 Range $55.35 - $64.55

Q4 2018

Shares 556 Value ($000) $43 Avg Close $56.50 Range $50.42 - $61.17

Q3 2018

Shares 2,580 Value ($000) $156 Avg Close $50.65 Range $45.40 - $54.60

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	2,712	$285	$93.24	$81.31 - $107.59
Q3 2025	2,745	$230	$81.01	$75.27 - $86.24
Q2 2025	2,745	$217	$77.39	$71.26 - $87.25
Q1 2025	14,439	$1,296	$90.12	$78.10 - $99.24
Q4 2024	14,423	$1,435	$98.70	$90.33 - $109.75
Q3 2024	15,958	$2	$112.96	$105.16 - $123.40
Q2 2024	16,343	$2	$121.72	$114.80 - $127.87
Q1 2024	16,842	$2	$115.77	$102.41 - $125.66
Q4 2023	17,932	$2	$96.81	$92.34 - $102.48
Q3 2023	18,247	$2	$99.84	$95.67 - $106.04
Q2 2023	17,961	$2	$104.47	$97.02 - $109.95
Q1 2023	18,997	$2	$98.68	$92.86 - $105.40
Q4 2022	19,210	$2	$92.80	$77.99 - $103.03
Q3 2022	18,228	$1,570	$80.41	$76.51 - $85.75
Q2 2022	18,638	$1,699	$79.21	$72.83 - $86.09
Q1 2022	19,053	$1,563	$69.85	$64.44 - $74.38
Q4 2021	18,752	$1,437	$69.89	$62.63 - $80.06
Q3 2021	17,924	$1,346	$66.14	$62.09 - $68.78
Q2 2021	16,956	$1,319	$64.14	$59.83 - $67.79
Q1 2021	16,530	$1,274	$63.06	$58.39 - $69.69
Q4 2020	16,598	$1,358	$64.85	$59.73 - $68.80
Q3 2020	9,792	$815	$65.93	$60.98 - $70.41
Q2 2020	9,872	$763	$62.87	$58.07 - $67.36
Q1 2020	2,875	$221	$65.09	$51.91 - $72.71
Q4 2019	2,875	$261	$67.55	$62.89 - $73.10
Q3 2019	2,884	$243	$65.47	$61.22 - $68.01
Q2 2019	2,908	$244	$62.14	$55.86 - $67.34
Q1 2019	2,907	$242	$60.29	$55.35 - $64.55
Q4 2018	556	$43	$56.50	$50.42 - $61.17
Q3 2018	2,580	$156	$50.65	$45.40 - $54.60