MERCK & CO INC

Ticker: MRK CUSIP: 58933Y105 Class: COM

NORTHEAST INVESTMENT MANAGEMENT's Holding History (CIK: 0001082215)

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

Q4 2025

Shares 47,301 Value ($000) $4,979 Avg Close $93.24 Range $81.31 - $107.59

Q3 2025

Shares 44,733 Value ($000) $3,754 Avg Close $81.01 Range $75.27 - $86.24

Q2 2025

Shares 46,762 Value ($000) $3,702 Avg Close $77.39 Range $71.26 - $87.25

Q1 2025

Shares 53,851 Value ($000) $4,834 Avg Close $90.12 Range $78.10 - $99.24

Q4 2024

Shares 64,556 Value ($000) $6,422 Avg Close $98.70 Range $90.33 - $109.75

Q3 2024

Shares 63,842 Value ($000) $7,250 Avg Close $112.96 Range $105.16 - $123.40

Q2 2024

Shares 61,419 Value ($000) $7,604 Avg Close $121.72 Range $114.80 - $127.87

Q1 2024

Shares 59,601 Value ($000) $7,864 Avg Close $115.77 Range $102.41 - $125.66

Q4 2023

Shares 56,605 Value ($000) $6,171 Avg Close $96.81 Range $92.34 - $102.48

Q3 2023

Shares 61,217 Value ($000) $6,302 Avg Close $99.84 Range $95.67 - $106.04

Q2 2023

Shares 60,396 Value ($000) $6,969 Avg Close $104.47 Range $97.02 - $109.95

Q1 2023

Shares 60,503 Value ($000) $6,437 Avg Close $98.68 Range $92.86 - $105.40

Q4 2022

Shares 60,465 Value ($000) $7 Avg Close $92.80 Range $77.99 - $103.03

Q3 2022

Shares 62,249 Value ($000) $5,361 Avg Close $80.41 Range $76.51 - $85.75

Q2 2022

Shares 61,782 Value ($000) $5,633 Avg Close $79.21 Range $72.83 - $86.09

Q1 2022

Shares 62,297 Value ($000) $5,111 Avg Close $69.85 Range $64.44 - $74.38

Q4 2021

Shares 63,430 Value ($000) $4,861 Avg Close $69.89 Range $62.63 - $80.06

Q3 2021

Shares 63,279 Value ($000) $4,753 Avg Close $66.14 Range $62.09 - $68.78

Q2 2021

Shares 68,187 Value ($000) $5,303 Avg Close $64.14 Range $59.83 - $67.79

Q1 2021

Shares 94,098 Value ($000) $7,254 Avg Close $63.06 Range $58.39 - $69.69

Q4 2020

Shares 96,127 Value ($000) $7,863 Avg Close $64.85 Range $59.73 - $68.80

Q3 2020

Shares 100,786 Value ($000) $8,360 Avg Close $65.93 Range $60.98 - $70.41

Q2 2020

Shares 98,168 Value ($000) $7,591 Avg Close $62.87 Range $58.07 - $67.36

Q1 2020

Shares 91,180 Value ($000) $7,015 Avg Close $65.09 Range $51.91 - $72.71

Q4 2019

Shares 94,461 Value ($000) $8,591 Avg Close $67.55 Range $62.89 - $73.10

Q3 2019

Shares 90,987 Value ($000) $7,659 Avg Close $65.47 Range $61.22 - $68.01

Q2 2019

Shares 86,978 Value ($000) $7,293 Avg Close $62.14 Range $55.86 - $67.34

Q1 2019

Shares 54,559 Value ($000) $4,538 Avg Close $60.29 Range $55.35 - $64.55

Q4 2018

Shares 50,993 Value ($000) $3,896 Avg Close $56.50 Range $50.42 - $61.17

Q3 2018

Shares 40,091 Value ($000) $2,844 Avg Close $50.65 Range $45.40 - $54.60

Q2 2018

Shares 40,530 Value ($000) $2,460 Avg Close $44.52 Range $39.72 - $47.34

Q1 2018

Shares 32,736 Value ($000) $1,783 Avg Close $42.25 Range $39.59 - $47.54

Q4 2017

Shares 34,112 Value ($000) $1,919 Avg Close $43.00 Range $39.63 - $47.96

Q3 2017

Shares 34,922 Value ($000) $2,236 Avg Close $46.68 Range $44.87 - $49.08

Q2 2017

Shares 29,072 Value ($000) $1,863 Avg Close $46.54 Range $45.06 - $48.72

Q1 2017

Shares 30,394 Value ($000) $1,931 Avg Close $46.06 Range $42.70 - $48.31

Q4 2016

Shares 29,360 Value ($000) $1,728 Avg Close $44.08 Range $41.83 - $46.98

Q3 2016

Shares 26,521 Value ($000) $1,655 Avg Close $43.73 Range $40.74 - $45.59

Q2 2016

Shares 25,093 Value ($000) $1,446 Avg Close $39.48 Range $37.06 - $41.09

Q1 2016

Shares 24,803 Value ($000) $1,312 Avg Close $36.03 Range $33.60 - $37.88

Q4 2015

Shares 21,542 Value ($000) $1,138 Avg Close $36.77 Range $33.58 - $38.73

Q3 2015

Shares 21,066 Value ($000) $1,040 Avg Close $38.40 Range $31.46 - $41.36

Q2 2015

Shares 21,197 Value ($000) $1,207 Avg Close $40.23 Range $38.42 - $42.17

Q1 2015

Shares 20,442 Value ($000) $1,175 Avg Close $40.30 Range $37.94 - $43.13

Q4 2014

Shares 20,396 Value ($000) $1,158 Avg Close $39.35 Range $35.32 - $41.85

Q3 2014

Shares 20,335 Value ($000) $1,205 Avg Close $39.37 Range $37.12 - $41.03

Q2 2014

Shares 19,797 Value ($000) $1,145 Avg Close $37.96 Range $36.06 - $39.67

Q1 2014

Shares 16,726 Value ($000) $950 Avg Close $35.76 Range $32.43 - $37.92

Q4 2013

Shares 16,010 Value ($000) $801 Avg Close $31.29 Range $29.09 - $32.94

Q3 2013

Shares 14,828 Value ($000) $706 Avg Close $30.97 Range $29.74 - $31.75

Q2 2013

Shares 10,459 Value ($000) $486 Avg Close $30.02 Range $28.02 - $32.11

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	47,301	$4,979	$93.24	$81.31 - $107.59
Q3 2025	44,733	$3,754	$81.01	$75.27 - $86.24
Q2 2025	46,762	$3,702	$77.39	$71.26 - $87.25
Q1 2025	53,851	$4,834	$90.12	$78.10 - $99.24
Q4 2024	64,556	$6,422	$98.70	$90.33 - $109.75
Q3 2024	63,842	$7,250	$112.96	$105.16 - $123.40
Q2 2024	61,419	$7,604	$121.72	$114.80 - $127.87
Q1 2024	59,601	$7,864	$115.77	$102.41 - $125.66
Q4 2023	56,605	$6,171	$96.81	$92.34 - $102.48
Q3 2023	61,217	$6,302	$99.84	$95.67 - $106.04
Q2 2023	60,396	$6,969	$104.47	$97.02 - $109.95
Q1 2023	60,503	$6,437	$98.68	$92.86 - $105.40
Q4 2022	60,465	$7	$92.80	$77.99 - $103.03
Q3 2022	62,249	$5,361	$80.41	$76.51 - $85.75
Q2 2022	61,782	$5,633	$79.21	$72.83 - $86.09
Q1 2022	62,297	$5,111	$69.85	$64.44 - $74.38
Q4 2021	63,430	$4,861	$69.89	$62.63 - $80.06
Q3 2021	63,279	$4,753	$66.14	$62.09 - $68.78
Q2 2021	68,187	$5,303	$64.14	$59.83 - $67.79
Q1 2021	94,098	$7,254	$63.06	$58.39 - $69.69
Q4 2020	96,127	$7,863	$64.85	$59.73 - $68.80
Q3 2020	100,786	$8,360	$65.93	$60.98 - $70.41
Q2 2020	98,168	$7,591	$62.87	$58.07 - $67.36
Q1 2020	91,180	$7,015	$65.09	$51.91 - $72.71
Q4 2019	94,461	$8,591	$67.55	$62.89 - $73.10
Q3 2019	90,987	$7,659	$65.47	$61.22 - $68.01
Q2 2019	86,978	$7,293	$62.14	$55.86 - $67.34
Q1 2019	54,559	$4,538	$60.29	$55.35 - $64.55
Q4 2018	50,993	$3,896	$56.50	$50.42 - $61.17
Q3 2018	40,091	$2,844	$50.65	$45.40 - $54.60
Q2 2018	40,530	$2,460	$44.52	$39.72 - $47.34
Q1 2018	32,736	$1,783	$42.25	$39.59 - $47.54
Q4 2017	34,112	$1,919	$43.00	$39.63 - $47.96
Q3 2017	34,922	$2,236	$46.68	$44.87 - $49.08
Q2 2017	29,072	$1,863	$46.54	$45.06 - $48.72
Q1 2017	30,394	$1,931	$46.06	$42.70 - $48.31
Q4 2016	29,360	$1,728	$44.08	$41.83 - $46.98
Q3 2016	26,521	$1,655	$43.73	$40.74 - $45.59
Q2 2016	25,093	$1,446	$39.48	$37.06 - $41.09
Q1 2016	24,803	$1,312	$36.03	$33.60 - $37.88
Q4 2015	21,542	$1,138	$36.77	$33.58 - $38.73
Q3 2015	21,066	$1,040	$38.40	$31.46 - $41.36
Q2 2015	21,197	$1,207	$40.23	$38.42 - $42.17
Q1 2015	20,442	$1,175	$40.30	$37.94 - $43.13
Q4 2014	20,396	$1,158	$39.35	$35.32 - $41.85
Q3 2014	20,335	$1,205	$39.37	$37.12 - $41.03
Q2 2014	19,797	$1,145	$37.96	$36.06 - $39.67
Q1 2014	16,726	$950	$35.76	$32.43 - $37.92
Q4 2013	16,010	$801	$31.29	$29.09 - $32.94
Q3 2013	14,828	$706	$30.97	$29.74 - $31.75
Q2 2013	10,459	$486	$30.02	$28.02 - $32.11