MERCK & CO INC

Ticker: MRK CUSIP: 58933Y105 Class: COM

FIRST MANHATTAN CO. LLC.'s Holding History (CIK: 0000728083)

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

Q4 2025

Shares 156,577 Value ($000) $16,613 Avg Close $93.24 Range $81.31 - $107.59

Q3 2025

Shares 142,578 Value ($000) $12,081 Avg Close $81.01 Range $75.27 - $86.24

Q2 2025

Shares 148,028 Value ($000) $11,838 Avg Close $77.39 Range $71.26 - $87.25

Q1 2025

Shares 176,732 Value ($000) $16,006 Avg Close $90.12 Range $78.10 - $99.24

Q4 2024

Shares 193,391 Value ($000) $19,474 Avg Close $98.70 Range $90.33 - $109.75

Q3 2024

Shares 210,119 Value ($000) $24,023 Avg Close $112.96 Range $105.16 - $123.40

Q2 2024

Shares 210,857 Value ($000) $26,266 Avg Close $121.72 Range $114.80 - $127.87

Q1 2024

Shares 208,081 Value ($000) $27,465 Avg Close $115.77 Range $102.41 - $125.66

Q4 2023

Shares 210,506 Value ($000) $22,957 Avg Close $96.81 Range $92.34 - $102.48

Q3 2023

Shares 216,955 Value ($000) $22,336 Avg Close $99.84 Range $95.67 - $106.04

Q2 2023

Shares 222,174 Value ($000) $25,637 Avg Close $104.47 Range $97.02 - $109.95

Q1 2023

Shares 229,063 Value ($000) $24,370 Avg Close $98.68 Range $92.86 - $105.40

Q4 2022

Shares 237,384 Value ($000) $26,338 Avg Close $92.80 Range $77.99 - $103.03

Q3 2022

Shares 238,743 Value ($000) $20,561 Avg Close $80.41 Range $76.51 - $85.75

Q2 2022

Shares 246,654 Value ($000) $22,487 Avg Close $79.21 Range $72.83 - $86.09

Q1 2022

Shares 255,339 Value ($000) $20,950 Avg Close $69.85 Range $64.44 - $74.38

Q4 2021

Shares 259,911 Value ($000) $19,919 Avg Close $69.89 Range $62.63 - $80.06

Q3 2021

Shares 262,477 Value ($000) $19,714 Avg Close $66.14 Range $62.09 - $68.78

Q2 2021

Shares 267,506 Value ($000) $20,804 Avg Close $64.14 Range $59.83 - $67.79

Q1 2021

Shares 260,694 Value ($000) $20,097 Avg Close $63.06 Range $58.39 - $69.69

Q4 2020

Shares 175,279 Value ($000) $14,338 Avg Close $64.85 Range $59.73 - $68.80

Q3 2020

Shares 173,985 Value ($000) $14,432 Avg Close $65.93 Range $60.98 - $70.41

Q2 2020

Shares 178,909 Value ($000) $13,835 Avg Close $62.87 Range $58.07 - $67.36

Q1 2020

Shares 184,259 Value ($000) $14,177 Avg Close $65.09 Range $51.91 - $72.71

Q4 2019

Shares 183,860 Value ($000) $16,722 Avg Close $67.55 Range $62.89 - $73.10

Q3 2019

Shares 179,835 Value ($000) $15,138 Avg Close $65.47 Range $61.22 - $68.01

Q2 2019

Shares 190,953 Value ($000) $16,011 Avg Close $62.14 Range $55.86 - $67.34

Q1 2019

Shares 187,353 Value ($000) $15,582 Avg Close $60.29 Range $55.35 - $64.55

Q4 2018

Shares 196,832 Value ($000) $15,040 Avg Close $56.50 Range $50.42 - $61.17

Q3 2018

Shares 199,985 Value ($000) $14,187 Avg Close $50.65 Range $45.40 - $54.60

Q2 2018

Shares 204,107 Value ($000) $12,389 Avg Close $44.52 Range $39.72 - $47.34

Q1 2018

Shares 213,274 Value ($000) $11,617 Avg Close $42.25 Range $39.59 - $47.54

Q4 2017

Shares 220,042 Value ($000) $12,382 Avg Close $43.00 Range $39.63 - $47.96

Q3 2017

Shares 231,502 Value ($000) $14,823 Avg Close $46.68 Range $44.87 - $49.08

Q2 2017

Shares 226,799 Value ($000) $14,535 Avg Close $46.54 Range $45.06 - $48.72

Q1 2017

Shares 231,857 Value ($000) $14,732 Avg Close $46.06 Range $42.70 - $48.31

Q4 2016

Shares 237,267 Value ($000) $13,968 Avg Close $44.08 Range $41.83 - $46.98

Q3 2016

Shares 243,433 Value ($000) $15,192 Avg Close $43.73 Range $40.74 - $45.59

Q2 2016

Shares 253,582 Value ($000) $14,608 Avg Close $39.48 Range $37.06 - $41.09

Q1 2016

Shares 257,064 Value ($000) $13,601 Avg Close $36.03 Range $33.60 - $37.88

Q4 2015

Shares 219,229 Value ($000) $11,579 Avg Close $36.77 Range $33.58 - $38.73

Q3 2015

Shares 212,663 Value ($000) $10,503 Avg Close $38.40 Range $31.46 - $41.36

Q2 2015

Shares 204,019 Value ($000) $11,614 Avg Close $40.23 Range $38.42 - $42.17

Q1 2015

Shares 202,714 Value ($000) $11,652 Avg Close $40.30 Range $37.94 - $43.13

Q4 2014

Shares 174,627 Value ($000) $9,917 Avg Close $39.35 Range $35.32 - $41.85

Q3 2014

Shares 177,831 Value ($000) $10,541 Avg Close $39.37 Range $37.12 - $41.03

Q2 2014

Shares 176,699 Value ($000) $10,222 Avg Close $37.96 Range $36.06 - $39.67

Q1 2014

Shares 188,359 Value ($000) $10,693 Avg Close $35.76 Range $32.43 - $37.92

Q4 2013

Shares 228,759 Value ($000) $11,449 Avg Close $31.29 Range $29.09 - $32.94

Q3 2013

Shares 226,142 Value ($000) $10,766 Avg Close $30.97 Range $29.74 - $31.75

Q2 2013

Shares 225,805 Value ($000) $10,915 Avg Close $30.02 Range $28.02 - $32.11

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	156,577	$16,613	$93.24	$81.31 - $107.59
Q3 2025	142,578	$12,081	$81.01	$75.27 - $86.24
Q2 2025	148,028	$11,838	$77.39	$71.26 - $87.25
Q1 2025	176,732	$16,006	$90.12	$78.10 - $99.24
Q4 2024	193,391	$19,474	$98.70	$90.33 - $109.75
Q3 2024	210,119	$24,023	$112.96	$105.16 - $123.40
Q2 2024	210,857	$26,266	$121.72	$114.80 - $127.87
Q1 2024	208,081	$27,465	$115.77	$102.41 - $125.66
Q4 2023	210,506	$22,957	$96.81	$92.34 - $102.48
Q3 2023	216,955	$22,336	$99.84	$95.67 - $106.04
Q2 2023	222,174	$25,637	$104.47	$97.02 - $109.95
Q1 2023	229,063	$24,370	$98.68	$92.86 - $105.40
Q4 2022	237,384	$26,338	$92.80	$77.99 - $103.03
Q3 2022	238,743	$20,561	$80.41	$76.51 - $85.75
Q2 2022	246,654	$22,487	$79.21	$72.83 - $86.09
Q1 2022	255,339	$20,950	$69.85	$64.44 - $74.38
Q4 2021	259,911	$19,919	$69.89	$62.63 - $80.06
Q3 2021	262,477	$19,714	$66.14	$62.09 - $68.78
Q2 2021	267,506	$20,804	$64.14	$59.83 - $67.79
Q1 2021	260,694	$20,097	$63.06	$58.39 - $69.69
Q4 2020	175,279	$14,338	$64.85	$59.73 - $68.80
Q3 2020	173,985	$14,432	$65.93	$60.98 - $70.41
Q2 2020	178,909	$13,835	$62.87	$58.07 - $67.36
Q1 2020	184,259	$14,177	$65.09	$51.91 - $72.71
Q4 2019	183,860	$16,722	$67.55	$62.89 - $73.10
Q3 2019	179,835	$15,138	$65.47	$61.22 - $68.01
Q2 2019	190,953	$16,011	$62.14	$55.86 - $67.34
Q1 2019	187,353	$15,582	$60.29	$55.35 - $64.55
Q4 2018	196,832	$15,040	$56.50	$50.42 - $61.17
Q3 2018	199,985	$14,187	$50.65	$45.40 - $54.60
Q2 2018	204,107	$12,389	$44.52	$39.72 - $47.34
Q1 2018	213,274	$11,617	$42.25	$39.59 - $47.54
Q4 2017	220,042	$12,382	$43.00	$39.63 - $47.96
Q3 2017	231,502	$14,823	$46.68	$44.87 - $49.08
Q2 2017	226,799	$14,535	$46.54	$45.06 - $48.72
Q1 2017	231,857	$14,732	$46.06	$42.70 - $48.31
Q4 2016	237,267	$13,968	$44.08	$41.83 - $46.98
Q3 2016	243,433	$15,192	$43.73	$40.74 - $45.59
Q2 2016	253,582	$14,608	$39.48	$37.06 - $41.09
Q1 2016	257,064	$13,601	$36.03	$33.60 - $37.88
Q4 2015	219,229	$11,579	$36.77	$33.58 - $38.73
Q3 2015	212,663	$10,503	$38.40	$31.46 - $41.36
Q2 2015	204,019	$11,614	$40.23	$38.42 - $42.17
Q1 2015	202,714	$11,652	$40.30	$37.94 - $43.13
Q4 2014	174,627	$9,917	$39.35	$35.32 - $41.85
Q3 2014	177,831	$10,541	$39.37	$37.12 - $41.03
Q2 2014	176,699	$10,222	$37.96	$36.06 - $39.67
Q1 2014	188,359	$10,693	$35.76	$32.43 - $37.92
Q4 2013	228,759	$11,449	$31.29	$29.09 - $32.94
Q3 2013	226,142	$10,766	$30.97	$29.74 - $31.75
Q2 2013	225,805	$10,915	$30.02	$28.02 - $32.11