MERCK & CO INC

Ticker: MRK CUSIP: 58933Y105 Class: COM

RNC CAPITAL MANAGEMENT LLC's Holding History (CIK: 0000051762)

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

Q4 2025

Shares 505,611 Value ($000) $53,221 Avg Close $93.24 Range $81.31 - $107.59

Q3 2025

Shares 504,850 Value ($000) $42,372 Avg Close $81.01 Range $75.27 - $86.24

Q2 2025

Shares 371,524 Value ($000) $29,410 Avg Close $77.39 Range $71.26 - $87.25

Q1 2025

Shares 393,687 Value ($000) $35,337 Avg Close $90.12 Range $78.10 - $99.24

Q4 2024

Shares 287,889 Value ($000) $28,639 Avg Close $98.70 Range $90.33 - $109.75

Q3 2024

Shares 28,979 Value ($000) $3,588 Avg Close $112.96 Range $105.16 - $123.40

Q2 2024

Shares 28,979 Value ($000) $3,588 Avg Close $121.72 Range $114.80 - $127.87

Q1 2024

Shares 26,268 Value ($000) $3,466 Avg Close $115.77 Range $102.41 - $125.66

Q4 2023

Shares 21,515 Value ($000) $2,346 Avg Close $96.81 Range $92.34 - $102.48

Q3 2023

Shares 27,265 Value ($000) $2,807 Avg Close $99.84 Range $95.67 - $106.04

Q2 2023

Shares 28,146 Value ($000) $3 Avg Close $104.47 Range $97.02 - $109.95

Q1 2023

Shares 8,477 Value ($000) $1 Avg Close $98.68 Range $92.86 - $105.40

Q4 2022

Shares 8,311 Value ($000) $1 Avg Close $92.80 Range $77.99 - $103.03

Q3 2022

Shares 8,842 Value ($000) $762 Avg Close $80.41 Range $76.51 - $85.75

Q2 2022

Shares 9,225 Value ($000) $841 Avg Close $79.21 Range $72.83 - $86.09

Q1 2022

Shares 9,372 Value ($000) $769 Avg Close $69.85 Range $64.44 - $74.38

Q4 2021

Shares 10,442 Value ($000) $800 Avg Close $69.89 Range $62.63 - $80.06

Q3 2021

Shares 9,243 Value ($000) $694 Avg Close $66.14 Range $62.09 - $68.78

Q2 2021

Shares 9,594 Value ($000) $746 Avg Close $64.14 Range $59.83 - $67.79

Q1 2021

Shares 9,594 Value ($000) $740 Avg Close $63.06 Range $58.39 - $69.69

Q4 2020

Shares 13,488 Value ($000) $1,103 Avg Close $64.85 Range $59.73 - $68.80

Q3 2020

Shares 15,214 Value ($000) $1,262 Avg Close $65.93 Range $60.98 - $70.41

Q2 2020

Shares 15,893 Value ($000) $1,229 Avg Close $62.87 Range $58.07 - $67.36

Q1 2020

Shares 16,181 Value ($000) $1,245 Avg Close $65.09 Range $51.91 - $72.71

Q4 2019

Shares 17,187 Value ($000) $1,563 Avg Close $67.55 Range $62.89 - $73.10

Q3 2019

Shares 14,945 Value ($000) $1,258 Avg Close $65.47 Range $61.22 - $68.01

Q2 2019

Shares 14,873 Value ($000) $1,247 Avg Close $62.14 Range $55.86 - $67.34

Q1 2019

Shares 14,689 Value ($000) $1,222 Avg Close $60.29 Range $55.35 - $64.55

Q4 2018

Shares 16,443 Value ($000) $1,256 Avg Close $56.50 Range $50.42 - $61.17

Q3 2018

Shares 15,795 Value ($000) $1,121 Avg Close $50.65 Range $45.40 - $54.60

Q2 2018

Shares 15,693 Value ($000) $953 Avg Close $44.52 Range $39.72 - $47.34

Q1 2018

Shares 19,046 Value ($000) $1,037 Avg Close $42.25 Range $39.59 - $47.54

Q4 2017

Shares 16,775 Value ($000) $944 Avg Close $43.00 Range $39.63 - $47.96

Q3 2017

Shares 15,669 Value ($000) $1,003 Avg Close $46.68 Range $44.87 - $49.08

Q2 2017

Shares 15,675 Value ($000) $1,005 Avg Close $46.54 Range $45.06 - $48.72

Q1 2017

Shares 15,469 Value ($000) $983 Avg Close $46.06 Range $42.70 - $48.31

Q4 2016

Shares 17,875 Value ($000) $1,052 Avg Close $44.08 Range $41.83 - $46.98

Q3 2016

Shares 16,704 Value ($000) $1,043 Avg Close $43.73 Range $40.74 - $45.59

Q2 2016

Shares 17,306 Value ($000) $997 Avg Close $39.48 Range $37.06 - $41.09

Q1 2016

Shares 17,066 Value ($000) $903 Avg Close $36.03 Range $33.60 - $37.88

Q4 2015

Shares 16,593 Value ($000) $876 Avg Close $36.77 Range $33.58 - $38.73

Q3 2015

Shares 10,600 Value ($000) $524 Avg Close $38.40 Range $31.46 - $41.36

Q2 2015

Shares 11,650 Value ($000) $663 Avg Close $40.23 Range $38.42 - $42.17

Q1 2015

Shares 12,323 Value ($000) $708 Avg Close $40.30 Range $37.94 - $43.13

Q4 2014

Shares 12,732 Value ($000) $723 Avg Close $39.35 Range $35.32 - $41.85

Q3 2014

Shares 12,111 Value ($000) $718 Avg Close $39.37 Range $37.12 - $41.03

Q2 2014

Shares 14,232 Value ($000) $823 Avg Close $37.96 Range $36.06 - $39.67

Q1 2014

Shares 14,507 Value ($000) $824 Avg Close $35.76 Range $32.43 - $37.92

Q4 2013

Shares 26,583 Value ($000) $1,330 Avg Close $31.29 Range $29.09 - $32.94

Q3 2013

Shares 617,381 Value ($000) $29,393 Avg Close $30.97 Range $29.74 - $31.75

Q2 2013

Shares 19,005 Value ($000) $885 Avg Close $30.02 Range $28.02 - $32.11

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	505,611	$53,221	$93.24	$81.31 - $107.59
Q3 2025	504,850	$42,372	$81.01	$75.27 - $86.24
Q2 2025	371,524	$29,410	$77.39	$71.26 - $87.25
Q1 2025	393,687	$35,337	$90.12	$78.10 - $99.24
Q4 2024	287,889	$28,639	$98.70	$90.33 - $109.75
Q3 2024	28,979	$3,588	$112.96	$105.16 - $123.40
Q2 2024	28,979	$3,588	$121.72	$114.80 - $127.87
Q1 2024	26,268	$3,466	$115.77	$102.41 - $125.66
Q4 2023	21,515	$2,346	$96.81	$92.34 - $102.48
Q3 2023	27,265	$2,807	$99.84	$95.67 - $106.04
Q2 2023	28,146	$3	$104.47	$97.02 - $109.95
Q1 2023	8,477	$1	$98.68	$92.86 - $105.40
Q4 2022	8,311	$1	$92.80	$77.99 - $103.03
Q3 2022	8,842	$762	$80.41	$76.51 - $85.75
Q2 2022	9,225	$841	$79.21	$72.83 - $86.09
Q1 2022	9,372	$769	$69.85	$64.44 - $74.38
Q4 2021	10,442	$800	$69.89	$62.63 - $80.06
Q3 2021	9,243	$694	$66.14	$62.09 - $68.78
Q2 2021	9,594	$746	$64.14	$59.83 - $67.79
Q1 2021	9,594	$740	$63.06	$58.39 - $69.69
Q4 2020	13,488	$1,103	$64.85	$59.73 - $68.80
Q3 2020	15,214	$1,262	$65.93	$60.98 - $70.41
Q2 2020	15,893	$1,229	$62.87	$58.07 - $67.36
Q1 2020	16,181	$1,245	$65.09	$51.91 - $72.71
Q4 2019	17,187	$1,563	$67.55	$62.89 - $73.10
Q3 2019	14,945	$1,258	$65.47	$61.22 - $68.01
Q2 2019	14,873	$1,247	$62.14	$55.86 - $67.34
Q1 2019	14,689	$1,222	$60.29	$55.35 - $64.55
Q4 2018	16,443	$1,256	$56.50	$50.42 - $61.17
Q3 2018	15,795	$1,121	$50.65	$45.40 - $54.60
Q2 2018	15,693	$953	$44.52	$39.72 - $47.34
Q1 2018	19,046	$1,037	$42.25	$39.59 - $47.54
Q4 2017	16,775	$944	$43.00	$39.63 - $47.96
Q3 2017	15,669	$1,003	$46.68	$44.87 - $49.08
Q2 2017	15,675	$1,005	$46.54	$45.06 - $48.72
Q1 2017	15,469	$983	$46.06	$42.70 - $48.31
Q4 2016	17,875	$1,052	$44.08	$41.83 - $46.98
Q3 2016	16,704	$1,043	$43.73	$40.74 - $45.59
Q2 2016	17,306	$997	$39.48	$37.06 - $41.09
Q1 2016	17,066	$903	$36.03	$33.60 - $37.88
Q4 2015	16,593	$876	$36.77	$33.58 - $38.73
Q3 2015	10,600	$524	$38.40	$31.46 - $41.36
Q2 2015	11,650	$663	$40.23	$38.42 - $42.17
Q1 2015	12,323	$708	$40.30	$37.94 - $43.13
Q4 2014	12,732	$723	$39.35	$35.32 - $41.85
Q3 2014	12,111	$718	$39.37	$37.12 - $41.03
Q2 2014	14,232	$823	$37.96	$36.06 - $39.67
Q1 2014	14,507	$824	$35.76	$32.43 - $37.92
Q4 2013	26,583	$1,330	$31.29	$29.09 - $32.94
Q3 2013	617,381	$29,393	$30.97	$29.74 - $31.75
Q2 2013	19,005	$885	$30.02	$28.02 - $32.11