MERCK & CO INC

Ticker: MRK CUSIP: 58933Y105 Class: COM

MASSMUTUAL TRUST CO FSB/ADV's Holding History (CIK: 0001103653)

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

Q4 2025

Shares 160,306 Value ($000) $16,874 Avg Close $93.24 Range $81.31 - $107.59

Q3 2025

Shares 164,055 Value ($000) $13,769 Avg Close $81.01 Range $75.27 - $86.24

Q2 2025

Shares 157,068 Value ($000) $12,434 Avg Close $77.39 Range $71.26 - $87.25

Q1 2025

Shares 153,317 Value ($000) $13,762 Avg Close $90.12 Range $78.10 - $99.24

Q4 2024

Shares 125,253 Value ($000) $12,460 Avg Close $98.70 Range $90.33 - $109.75

Q3 2024

Shares 137,195 Value ($000) $15,580 Avg Close $112.96 Range $105.16 - $123.40

Q2 2024

Shares 141,035 Value ($000) $17,460 Avg Close $121.72 Range $114.80 - $127.87

Q1 2024

Shares 141,435 Value ($000) $18,662 Avg Close $115.77 Range $102.41 - $125.66

Q4 2023

Shares 143,095 Value ($000) $15,600 Avg Close $96.81 Range $92.34 - $102.48

Q3 2023

Shares 143,176 Value ($000) $14,740 Avg Close $99.84 Range $95.67 - $106.04

Q2 2023

Shares 142,221 Value ($000) $16,411 Avg Close $104.47 Range $97.02 - $109.95

Q1 2023

Shares 138,324 Value ($000) $14,716 Avg Close $98.68 Range $92.86 - $105.40

Q4 2022

Shares 145,672 Value ($000) $16 Avg Close $92.80 Range $77.99 - $103.03

Q3 2022

Shares 145,921 Value ($000) $12,567 Avg Close $80.41 Range $76.51 - $85.75

Q2 2022

Shares 144,613 Value ($000) $13,184 Avg Close $79.21 Range $72.83 - $86.09

Q1 2022

Shares 141,792 Value ($000) $11,634 Avg Close $69.85 Range $64.44 - $74.38

Q4 2021

Shares 126,809 Value ($000) $9,719 Avg Close $69.89 Range $62.63 - $80.06

Q3 2021

Shares 127,336 Value ($000) $9,564 Avg Close $66.14 Range $62.09 - $68.78

Q2 2021

Shares 124,247 Value ($000) $9,663 Avg Close $64.14 Range $59.83 - $67.79

Q1 2021

Shares 118,970 Value ($000) $9,171 Avg Close $63.06 Range $58.39 - $69.69

Q4 2020

Shares 96,784 Value ($000) $7,917 Avg Close $64.85 Range $59.73 - $68.80

Q3 2020

Shares 88,224 Value ($000) $7,318 Avg Close $65.93 Range $60.98 - $70.41

Q2 2020

Shares 55,507 Value ($000) $4,292 Avg Close $62.87 Range $58.07 - $67.36

Q1 2020

Shares 24,849 Value ($000) $1,912 Avg Close $65.09 Range $51.91 - $72.71

Q4 2019

Shares 28,989 Value ($000) $2,637 Avg Close $67.55 Range $62.89 - $73.10

Q3 2019

Shares 29,764 Value ($000) $2,506 Avg Close $65.47 Range $61.22 - $68.01

Q2 2019

Shares 26,743 Value ($000) $2,242 Avg Close $62.14 Range $55.86 - $67.34

Q1 2019

Shares 28,958 Value ($000) $2,408,437 Avg Close $60.29 Range $55.35 - $64.55

Q4 2018

Shares 29,485 Value ($000) $2,252,949 Avg Close $56.50 Range $50.42 - $61.17

Q3 2018

Shares 29,385 Value ($000) $2,084,572 Avg Close $50.65 Range $45.40 - $54.60

Q2 2018

Shares 22,564 Value ($000) $1,369,635 Avg Close $44.52 Range $39.72 - $47.34

Q1 2018

Shares 22,958 Value ($000) $1,250,522 Avg Close $42.25 Range $39.59 - $47.54

Q4 2017

Shares 24,403 Value ($000) $1,373,157 Avg Close $43.00 Range $39.63 - $47.96

Q3 2017

Shares 22,216 Value ($000) $1,422,490 Avg Close $46.68 Range $44.87 - $49.08

Q2 2017

Shares 15,277 Value ($000) $979,103 Avg Close $46.54 Range $45.06 - $48.72

Q1 2017

Shares 16,346 Value ($000) $1,038,625 Avg Close $46.06 Range $42.70 - $48.31

Q4 2016

Shares 15,545 Value ($000) $915,134 Avg Close $44.08 Range $41.83 - $46.98

Q2 2016

Shares 15,816 Value ($000) $911,160 Avg Close $39.48 Range $37.06 - $41.09

Q1 2016

Shares 10,956 Value ($000) $579,682 Avg Close $36.03 Range $33.60 - $37.88

Q4 2015

Shares 10,818 Value ($000) $571,407 Avg Close $36.77 Range $33.58 - $38.73

Q3 2015

Shares 31,464 Value ($000) $1,865,186 Avg Close $38.40 Range $31.46 - $41.36

Q2 2015

Shares 22,462 Value ($000) $1,299,427 Avg Close $40.23 Range $38.42 - $42.17

Q1 2015

Shares 39,136 Value ($000) $2,249,537 Avg Close $40.30 Range $37.94 - $43.13

Q4 2014

Shares 27,573 Value ($000) $1,565,871 Avg Close $39.35 Range $35.32 - $41.85

Q3 2014

Shares 31,464 Value ($000) $1,865,186 Avg Close $39.37 Range $37.12 - $41.03

Q2 2014

Shares 18,074 Value ($000) $1,045,581 Avg Close $37.96 Range $36.06 - $39.67

Q1 2014

Shares 687 Value ($000) $39,001 Avg Close $35.76 Range $32.43 - $37.92

Q4 2013

Shares 384 Value ($000) $19,219 Avg Close $31.29 Range $29.09 - $32.94

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	160,306	$16,874	$93.24	$81.31 - $107.59
Q3 2025	164,055	$13,769	$81.01	$75.27 - $86.24
Q2 2025	157,068	$12,434	$77.39	$71.26 - $87.25
Q1 2025	153,317	$13,762	$90.12	$78.10 - $99.24
Q4 2024	125,253	$12,460	$98.70	$90.33 - $109.75
Q3 2024	137,195	$15,580	$112.96	$105.16 - $123.40
Q2 2024	141,035	$17,460	$121.72	$114.80 - $127.87
Q1 2024	141,435	$18,662	$115.77	$102.41 - $125.66
Q4 2023	143,095	$15,600	$96.81	$92.34 - $102.48
Q3 2023	143,176	$14,740	$99.84	$95.67 - $106.04
Q2 2023	142,221	$16,411	$104.47	$97.02 - $109.95
Q1 2023	138,324	$14,716	$98.68	$92.86 - $105.40
Q4 2022	145,672	$16	$92.80	$77.99 - $103.03
Q3 2022	145,921	$12,567	$80.41	$76.51 - $85.75
Q2 2022	144,613	$13,184	$79.21	$72.83 - $86.09
Q1 2022	141,792	$11,634	$69.85	$64.44 - $74.38
Q4 2021	126,809	$9,719	$69.89	$62.63 - $80.06
Q3 2021	127,336	$9,564	$66.14	$62.09 - $68.78
Q2 2021	124,247	$9,663	$64.14	$59.83 - $67.79
Q1 2021	118,970	$9,171	$63.06	$58.39 - $69.69
Q4 2020	96,784	$7,917	$64.85	$59.73 - $68.80
Q3 2020	88,224	$7,318	$65.93	$60.98 - $70.41
Q2 2020	55,507	$4,292	$62.87	$58.07 - $67.36
Q1 2020	24,849	$1,912	$65.09	$51.91 - $72.71
Q4 2019	28,989	$2,637	$67.55	$62.89 - $73.10
Q3 2019	29,764	$2,506	$65.47	$61.22 - $68.01
Q2 2019	26,743	$2,242	$62.14	$55.86 - $67.34
Q1 2019	28,958	$2,408,437	$60.29	$55.35 - $64.55
Q4 2018	29,485	$2,252,949	$56.50	$50.42 - $61.17
Q3 2018	29,385	$2,084,572	$50.65	$45.40 - $54.60
Q2 2018	22,564	$1,369,635	$44.52	$39.72 - $47.34
Q1 2018	22,958	$1,250,522	$42.25	$39.59 - $47.54
Q4 2017	24,403	$1,373,157	$43.00	$39.63 - $47.96
Q3 2017	22,216	$1,422,490	$46.68	$44.87 - $49.08
Q2 2017	15,277	$979,103	$46.54	$45.06 - $48.72
Q1 2017	16,346	$1,038,625	$46.06	$42.70 - $48.31
Q4 2016	15,545	$915,134	$44.08	$41.83 - $46.98
Q2 2016	15,816	$911,160	$39.48	$37.06 - $41.09
Q1 2016	10,956	$579,682	$36.03	$33.60 - $37.88
Q4 2015	10,818	$571,407	$36.77	$33.58 - $38.73
Q3 2015	31,464	$1,865,186	$38.40	$31.46 - $41.36
Q2 2015	22,462	$1,299,427	$40.23	$38.42 - $42.17
Q1 2015	39,136	$2,249,537	$40.30	$37.94 - $43.13
Q4 2014	27,573	$1,565,871	$39.35	$35.32 - $41.85
Q3 2014	31,464	$1,865,186	$39.37	$37.12 - $41.03
Q2 2014	18,074	$1,045,581	$37.96	$36.06 - $39.67
Q1 2014	687	$39,001	$35.76	$32.43 - $37.92
Q4 2013	384	$19,219	$31.29	$29.09 - $32.94