MERCK & CO INC

Ticker: MRK CUSIP: 58933Y105 Class: COM

Choate Investment Advisors's Holding History (CIK: 0001399794)

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

Q4 2025

Shares 98,500 Value ($000) $10,368 Avg Close $93.24 Range $81.31 - $107.59

Q3 2025

Shares 84,919 Value ($000) $7,128 Avg Close $81.01 Range $75.27 - $86.24

Q2 2025

Shares 83,571 Value ($000) $6,616 Avg Close $77.39 Range $71.26 - $87.25

Q1 2025

Shares 72,106 Value ($000) $6,473 Avg Close $90.12 Range $78.10 - $99.24

Q4 2024

Shares 75,046 Value ($000) $7,466 Avg Close $98.70 Range $90.33 - $109.75

Q3 2024

Shares 75,525 Value ($000) $8,577 Avg Close $112.96 Range $105.16 - $123.40

Q2 2024

Shares 81,305 Value ($000) $10,070 Avg Close $121.72 Range $114.80 - $127.87

Q1 2024

Shares 80,547 Value ($000) $10,628 Avg Close $115.77 Range $102.41 - $125.66

Q4 2023

Shares 79,643 Value ($000) $8,683 Avg Close $96.81 Range $92.34 - $102.48

Q3 2023

Shares 76,390 Value ($000) $7,864 Avg Close $99.84 Range $95.67 - $106.04

Q2 2023

Shares 67,883 Value ($000) $7,833 Avg Close $104.47 Range $97.02 - $109.95

Q1 2023

Shares 56,669 Value ($000) $6,029 Avg Close $98.68 Range $92.86 - $105.40

Q4 2022

Shares 56,909 Value ($000) $6,314 Avg Close $92.80 Range $77.99 - $103.03

Q3 2022

Shares 56,292 Value ($000) $4,848 Avg Close $80.41 Range $76.51 - $85.75

Q2 2022

Shares 57,021 Value ($000) $5,199 Avg Close $79.21 Range $72.83 - $86.09

Q1 2022

Shares 56,318 Value ($000) $4,621 Avg Close $69.85 Range $64.44 - $74.38

Q4 2021

Shares 57,147 Value ($000) $4,380 Avg Close $69.89 Range $62.63 - $80.06

Q3 2021

Shares 58,025 Value ($000) $4,359 Avg Close $66.14 Range $62.09 - $68.78

Q2 2021

Shares 62,068 Value ($000) $4,827 Avg Close $64.14 Range $59.83 - $67.79

Q1 2021

Shares 69,411 Value ($000) $5,351 Avg Close $63.06 Range $58.39 - $69.69

Q4 2020

Shares 68,356 Value ($000) $5,591 Avg Close $64.85 Range $59.73 - $68.80

Q3 2020

Shares 68,547 Value ($000) $5,686 Avg Close $65.93 Range $60.98 - $70.41

Q2 2020

Shares 70,605 Value ($000) $5,460 Avg Close $62.87 Range $58.07 - $67.36

Q1 2020

Shares 71,807 Value ($000) $5,525 Avg Close $65.09 Range $51.91 - $72.71

Q4 2019

Shares 74,112 Value ($000) $6,740 Avg Close $67.55 Range $62.89 - $73.10

Q3 2019

Shares 74,504 Value ($000) $6,272 Avg Close $65.47 Range $61.22 - $68.01

Q2 2019

Shares 78,004 Value ($000) $6,541 Avg Close $62.14 Range $55.86 - $67.34

Q1 2019

Shares 76,756 Value ($000) $6,384 Avg Close $60.29 Range $55.35 - $64.55

Q4 2018

Shares 72,067 Value ($000) $5,507 Avg Close $56.50 Range $50.42 - $61.17

Q3 2018

Shares 71,951 Value ($000) $5,104 Avg Close $50.65 Range $45.40 - $54.60

Q2 2018

Shares 72,095 Value ($000) $4,376 Avg Close $44.52 Range $39.72 - $47.34

Q1 2018

Shares 68,607 Value ($000) $3,737,024 Avg Close $42.25 Range $39.59 - $47.54

Q4 2017

Shares 68,895 Value ($000) $3,876,722 Avg Close $43.00 Range $39.63 - $47.96

Q3 2017

Shares 70,490 Value ($000) $4,513,475 Avg Close $46.68 Range $44.87 - $49.08

Q2 2017

Shares 71,027 Value ($000) $4,552,121 Avg Close $46.54 Range $45.06 - $48.72

Q1 2017

Shares 72,889 Value ($000) $4,631,367 Avg Close $46.06 Range $42.70 - $48.31

Q4 2016

Shares 72,014 Value ($000) $4,239,465 Avg Close $44.08 Range $41.83 - $46.98

Q3 2016

Shares 72,817 Value ($000) $4,544,509 Avg Close $43.73 Range $40.74 - $45.59

Q2 2016

Shares 71,887 Value ($000) $4,141,410 Avg Close $39.48 Range $37.06 - $41.09

Q1 2016

Shares 71,823 Value ($000) $3,800,155 Avg Close $36.03 Range $33.60 - $37.88

Q4 2015

Shares 74,460 Value ($000) $4,227,472 Avg Close $36.77 Range $33.58 - $38.73

Q3 2015

Shares 74,451 Value ($000) $3,677,135 Avg Close $38.40 Range $31.46 - $41.36

Q2 2015

Shares 68,864 Value ($000) $3,920,427 Avg Close $40.23 Range $38.42 - $42.17

Q1 2015

Shares 73,727 Value ($000) $4,237,828 Avg Close $40.30 Range $37.94 - $43.13

Q4 2014

Shares 74,460 Value ($000) $4,228,583 Avg Close $39.35 Range $35.32 - $41.85

Q3 2014

Shares 74,066 Value ($000) $4,390,632 Avg Close $39.37 Range $37.12 - $41.03

Q2 2014

Shares 75,317 Value ($000) $4,357,088 Avg Close $37.96 Range $36.06 - $39.67

Q1 2014

Shares 85,467 Value ($000) $4,851,961 Avg Close $35.76 Range $32.43 - $37.92

Q4 2013

Shares 81,466 Value ($000) $4,077,373 Avg Close $31.29 Range $29.09 - $32.94

Q3 2013

Shares 74,945 Value ($000) $3,568,057 Avg Close $30.97 Range $29.74 - $31.75

Q2 2013

Shares 76,761 Value ($000) $3,565,548 Avg Close $30.02 Range $28.02 - $32.11

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	98,500	$10,368	$93.24	$81.31 - $107.59
Q3 2025	84,919	$7,128	$81.01	$75.27 - $86.24
Q2 2025	83,571	$6,616	$77.39	$71.26 - $87.25
Q1 2025	72,106	$6,473	$90.12	$78.10 - $99.24
Q4 2024	75,046	$7,466	$98.70	$90.33 - $109.75
Q3 2024	75,525	$8,577	$112.96	$105.16 - $123.40
Q2 2024	81,305	$10,070	$121.72	$114.80 - $127.87
Q1 2024	80,547	$10,628	$115.77	$102.41 - $125.66
Q4 2023	79,643	$8,683	$96.81	$92.34 - $102.48
Q3 2023	76,390	$7,864	$99.84	$95.67 - $106.04
Q2 2023	67,883	$7,833	$104.47	$97.02 - $109.95
Q1 2023	56,669	$6,029	$98.68	$92.86 - $105.40
Q4 2022	56,909	$6,314	$92.80	$77.99 - $103.03
Q3 2022	56,292	$4,848	$80.41	$76.51 - $85.75
Q2 2022	57,021	$5,199	$79.21	$72.83 - $86.09
Q1 2022	56,318	$4,621	$69.85	$64.44 - $74.38
Q4 2021	57,147	$4,380	$69.89	$62.63 - $80.06
Q3 2021	58,025	$4,359	$66.14	$62.09 - $68.78
Q2 2021	62,068	$4,827	$64.14	$59.83 - $67.79
Q1 2021	69,411	$5,351	$63.06	$58.39 - $69.69
Q4 2020	68,356	$5,591	$64.85	$59.73 - $68.80
Q3 2020	68,547	$5,686	$65.93	$60.98 - $70.41
Q2 2020	70,605	$5,460	$62.87	$58.07 - $67.36
Q1 2020	71,807	$5,525	$65.09	$51.91 - $72.71
Q4 2019	74,112	$6,740	$67.55	$62.89 - $73.10
Q3 2019	74,504	$6,272	$65.47	$61.22 - $68.01
Q2 2019	78,004	$6,541	$62.14	$55.86 - $67.34
Q1 2019	76,756	$6,384	$60.29	$55.35 - $64.55
Q4 2018	72,067	$5,507	$56.50	$50.42 - $61.17
Q3 2018	71,951	$5,104	$50.65	$45.40 - $54.60
Q2 2018	72,095	$4,376	$44.52	$39.72 - $47.34
Q1 2018	68,607	$3,737,024	$42.25	$39.59 - $47.54
Q4 2017	68,895	$3,876,722	$43.00	$39.63 - $47.96
Q3 2017	70,490	$4,513,475	$46.68	$44.87 - $49.08
Q2 2017	71,027	$4,552,121	$46.54	$45.06 - $48.72
Q1 2017	72,889	$4,631,367	$46.06	$42.70 - $48.31
Q4 2016	72,014	$4,239,465	$44.08	$41.83 - $46.98
Q3 2016	72,817	$4,544,509	$43.73	$40.74 - $45.59
Q2 2016	71,887	$4,141,410	$39.48	$37.06 - $41.09
Q1 2016	71,823	$3,800,155	$36.03	$33.60 - $37.88
Q4 2015	74,460	$4,227,472	$36.77	$33.58 - $38.73
Q3 2015	74,451	$3,677,135	$38.40	$31.46 - $41.36
Q2 2015	68,864	$3,920,427	$40.23	$38.42 - $42.17
Q1 2015	73,727	$4,237,828	$40.30	$37.94 - $43.13
Q4 2014	74,460	$4,228,583	$39.35	$35.32 - $41.85
Q3 2014	74,066	$4,390,632	$39.37	$37.12 - $41.03
Q2 2014	75,317	$4,357,088	$37.96	$36.06 - $39.67
Q1 2014	85,467	$4,851,961	$35.76	$32.43 - $37.92
Q4 2013	81,466	$4,077,373	$31.29	$29.09 - $32.94
Q3 2013	74,945	$3,568,057	$30.97	$29.74 - $31.75
Q2 2013	76,761	$3,565,548	$30.02	$28.02 - $32.11