MERCK & CO INC

Ticker: MRK CUSIP: 58933Y105 Class: COM

Dodge & Cox's Holding History (CIK: 0000200217)

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

Q4 2025

Shares 138,205 Value ($000) $14,547 Avg Close $93.24 Range $81.31 - $107.59

Q3 2025

Shares 154,275 Value ($000) $12,948 Avg Close $81.01 Range $75.27 - $86.24

Q2 2025

Shares 157,300 Value ($000) $12,452 Avg Close $77.39 Range $71.26 - $87.25

Q1 2025

Shares 157,069 Value ($000) $14,099 Avg Close $90.12 Range $78.10 - $99.24

Q4 2024

Shares 157,351 Value ($000) $15,653 Avg Close $98.70 Range $90.33 - $109.75

Q3 2024

Shares 158,251 Value ($000) $17,971 Avg Close $112.96 Range $105.16 - $123.40

Q2 2024

Shares 158,876 Value ($000) $19,669 Avg Close $121.72 Range $114.80 - $127.87

Q1 2024

Shares 160,495 Value ($000) $21,177 Avg Close $115.77 Range $102.41 - $125.66

Q4 2023

Shares 160,945 Value ($000) $17,546 Avg Close $96.81 Range $92.34 - $102.48

Q3 2023

Shares 163,795 Value ($000) $16,863 Avg Close $99.84 Range $95.67 - $106.04

Q2 2023

Shares 170,445 Value ($000) $19,668 Avg Close $104.47 Range $97.02 - $109.95

Q1 2023

Shares 173,206 Value ($000) $18,427 Avg Close $98.68 Range $92.86 - $105.40

Q4 2022

Shares 175,231 Value ($000) $19,442 Avg Close $92.80 Range $77.99 - $103.03

Q3 2022

Shares 189,331 Value ($000) $16,305 Avg Close $80.41 Range $76.51 - $85.75

Q2 2022

Shares 192,831 Value ($000) $17,580 Avg Close $79.21 Range $72.83 - $86.09

Q1 2022

Shares 200,031 Value ($000) $16,413 Avg Close $69.85 Range $64.44 - $74.38

Q4 2021

Shares 214,158 Value ($000) $16,413 Avg Close $69.89 Range $62.63 - $80.06

Q3 2021

Shares 221,678 Value ($000) $16,650 Avg Close $66.14 Range $62.09 - $68.78

Q2 2021

Shares 229,028 Value ($000) $17,812 Avg Close $64.14 Range $59.83 - $67.79

Q1 2021

Shares 247,086 Value ($000) $19,048 Avg Close $63.06 Range $58.39 - $69.69

Q4 2020

Shares 275,164 Value ($000) $22,508 Avg Close $64.85 Range $59.73 - $68.80

Q3 2020

Shares 307,729 Value ($000) $25,526 Avg Close $65.93 Range $60.98 - $70.41

Q2 2020

Shares 345,979 Value ($000) $26,755 Avg Close $62.87 Range $58.07 - $67.36

Q1 2020

Shares 516,958 Value ($000) $39,775 Avg Close $65.09 Range $51.91 - $72.71

Q4 2019

Shares 689,396 Value ($000) $62,701 Avg Close $67.55 Range $62.89 - $73.10

Q3 2019

Shares 701,343 Value ($000) $59,039 Avg Close $65.47 Range $61.22 - $68.01

Q2 2019

Shares 714,622 Value ($000) $59,921 Avg Close $62.14 Range $55.86 - $67.34

Q1 2019

Shares 768,690 Value ($000) $63,932 Avg Close $60.29 Range $55.35 - $64.55

Q4 2018

Shares 830,025 Value ($000) $63,422 Avg Close $56.50 Range $50.42 - $61.17

Q3 2018

Shares 992,263 Value ($000) $70,391 Avg Close $50.65 Range $45.40 - $54.60

Q2 2018

Shares 3,305,109 Value ($000) $200,620 Avg Close $44.52 Range $39.72 - $47.34

Q1 2018

Shares 13,788,353 Value ($000) $751,052 Avg Close $42.25 Range $39.59 - $47.54

Q4 2017

Shares 13,793,936 Value ($000) $776,185 Avg Close $43.00 Range $39.63 - $47.96

Q3 2017

Shares 13,462,469 Value ($000) $862,002 Avg Close $46.68 Range $44.87 - $49.08

Q2 2017

Shares 13,557,699 Value ($000) $868,913 Avg Close $46.54 Range $45.06 - $48.72

Q1 2017

Shares 13,689,174 Value ($000) $869,810 Avg Close $46.06 Range $42.70 - $48.31

Q4 2016

Shares 13,947,142 Value ($000) $821,068 Avg Close $44.08 Range $41.83 - $46.98

Q3 2016

Shares 18,327,311 Value ($000) $1,143,807 Avg Close $43.73 Range $40.74 - $45.59

Q2 2016

Shares 24,372,814 Value ($000) $1,404,118 Avg Close $39.48 Range $37.06 - $41.09

Q1 2016

Shares 24,543,704 Value ($000) $1,298,607 Avg Close $36.03 Range $33.60 - $37.88

Q4 2015

Shares 24,563,150 Value ($000) $1,297,426 Avg Close $36.77 Range $33.58 - $38.73

Q3 2015

Shares 24,585,258 Value ($000) $1,214,266 Avg Close $38.40 Range $31.46 - $41.36

Q2 2015

Shares 24,680,781 Value ($000) $1,405,077 Avg Close $40.23 Range $38.42 - $42.17

Q1 2015

Shares 25,448,977 Value ($000) $1,462,807 Avg Close $40.30 Range $37.94 - $43.13

Q4 2014

Shares 33,616,093 Value ($000) $1,909,058 Avg Close $39.35 Range $35.32 - $41.85

Q3 2014

Shares 35,057,668 Value ($000) $2,078,219 Avg Close $39.37 Range $37.12 - $41.03

Q2 2014

Shares 35,960,137 Value ($000) $2,080,294 Avg Close $37.96 Range $36.06 - $39.67

Q1 2014

Shares 39,959,196 Value ($000) $2,268,484 Avg Close $35.76 Range $32.43 - $37.92

Q4 2013

Shares 48,798,496 Value ($000) $2,442,365 Avg Close $31.29 Range $29.09 - $32.94

Q3 2013

Shares 50,137,596 Value ($000) $2,387,051 Avg Close $30.97 Range $29.74 - $31.75

Q2 2013

Shares 50,697,146 Value ($000) $2,354,882 Avg Close $30.02 Range $28.02 - $32.11

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	138,205	$14,547	$93.24	$81.31 - $107.59
Q3 2025	154,275	$12,948	$81.01	$75.27 - $86.24
Q2 2025	157,300	$12,452	$77.39	$71.26 - $87.25
Q1 2025	157,069	$14,099	$90.12	$78.10 - $99.24
Q4 2024	157,351	$15,653	$98.70	$90.33 - $109.75
Q3 2024	158,251	$17,971	$112.96	$105.16 - $123.40
Q2 2024	158,876	$19,669	$121.72	$114.80 - $127.87
Q1 2024	160,495	$21,177	$115.77	$102.41 - $125.66
Q4 2023	160,945	$17,546	$96.81	$92.34 - $102.48
Q3 2023	163,795	$16,863	$99.84	$95.67 - $106.04
Q2 2023	170,445	$19,668	$104.47	$97.02 - $109.95
Q1 2023	173,206	$18,427	$98.68	$92.86 - $105.40
Q4 2022	175,231	$19,442	$92.80	$77.99 - $103.03
Q3 2022	189,331	$16,305	$80.41	$76.51 - $85.75
Q2 2022	192,831	$17,580	$79.21	$72.83 - $86.09
Q1 2022	200,031	$16,413	$69.85	$64.44 - $74.38
Q4 2021	214,158	$16,413	$69.89	$62.63 - $80.06
Q3 2021	221,678	$16,650	$66.14	$62.09 - $68.78
Q2 2021	229,028	$17,812	$64.14	$59.83 - $67.79
Q1 2021	247,086	$19,048	$63.06	$58.39 - $69.69
Q4 2020	275,164	$22,508	$64.85	$59.73 - $68.80
Q3 2020	307,729	$25,526	$65.93	$60.98 - $70.41
Q2 2020	345,979	$26,755	$62.87	$58.07 - $67.36
Q1 2020	516,958	$39,775	$65.09	$51.91 - $72.71
Q4 2019	689,396	$62,701	$67.55	$62.89 - $73.10
Q3 2019	701,343	$59,039	$65.47	$61.22 - $68.01
Q2 2019	714,622	$59,921	$62.14	$55.86 - $67.34
Q1 2019	768,690	$63,932	$60.29	$55.35 - $64.55
Q4 2018	830,025	$63,422	$56.50	$50.42 - $61.17
Q3 2018	992,263	$70,391	$50.65	$45.40 - $54.60
Q2 2018	3,305,109	$200,620	$44.52	$39.72 - $47.34
Q1 2018	13,788,353	$751,052	$42.25	$39.59 - $47.54
Q4 2017	13,793,936	$776,185	$43.00	$39.63 - $47.96
Q3 2017	13,462,469	$862,002	$46.68	$44.87 - $49.08
Q2 2017	13,557,699	$868,913	$46.54	$45.06 - $48.72
Q1 2017	13,689,174	$869,810	$46.06	$42.70 - $48.31
Q4 2016	13,947,142	$821,068	$44.08	$41.83 - $46.98
Q3 2016	18,327,311	$1,143,807	$43.73	$40.74 - $45.59
Q2 2016	24,372,814	$1,404,118	$39.48	$37.06 - $41.09
Q1 2016	24,543,704	$1,298,607	$36.03	$33.60 - $37.88
Q4 2015	24,563,150	$1,297,426	$36.77	$33.58 - $38.73
Q3 2015	24,585,258	$1,214,266	$38.40	$31.46 - $41.36
Q2 2015	24,680,781	$1,405,077	$40.23	$38.42 - $42.17
Q1 2015	25,448,977	$1,462,807	$40.30	$37.94 - $43.13
Q4 2014	33,616,093	$1,909,058	$39.35	$35.32 - $41.85
Q3 2014	35,057,668	$2,078,219	$39.37	$37.12 - $41.03
Q2 2014	35,960,137	$2,080,294	$37.96	$36.06 - $39.67
Q1 2014	39,959,196	$2,268,484	$35.76	$32.43 - $37.92
Q4 2013	48,798,496	$2,442,365	$31.29	$29.09 - $32.94
Q3 2013	50,137,596	$2,387,051	$30.97	$29.74 - $31.75
Q2 2013	50,697,146	$2,354,882	$30.02	$28.02 - $32.11