MERCK & CO INC

Ticker: MRK CUSIP: 58933Y105 Class: COM

CONNING INC.'s Holding History (CIK: 0000801051)

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

Q4 2025

Shares 352,977 Value ($000) $37,154 Avg Close $93.24 Range $81.31 - $107.59

Q3 2025

Shares 401,059 Value ($000) $33,661 Avg Close $81.01 Range $75.27 - $86.24

Q2 2025

Shares 34,578 Value ($000) $2,737 Avg Close $77.39 Range $71.26 - $87.25

Q1 2025

Shares 35,126 Value ($000) $3,153 Avg Close $90.12 Range $78.10 - $99.24

Q4 2024

Shares 35,113 Value ($000) $3,493 Avg Close $98.70 Range $90.33 - $109.75

Q3 2024

Shares 36,473 Value ($000) $4,142 Avg Close $112.96 Range $105.16 - $123.40

Q2 2024

Shares 36,685 Value ($000) $4,542 Avg Close $121.72 Range $114.80 - $127.87

Q1 2024

Shares 36,226 Value ($000) $4,780 Avg Close $115.77 Range $102.41 - $125.66

Q4 2023

Shares 38,755 Value ($000) $4,225 Avg Close $96.81 Range $92.34 - $102.48

Q3 2023

Shares 38,735 Value ($000) $3,988 Avg Close $99.84 Range $95.67 - $106.04

Q2 2023

Shares 41,291 Value ($000) $4,765 Avg Close $104.47 Range $97.02 - $109.95

Q1 2023

Shares 41,432 Value ($000) $4,408 Avg Close $98.68 Range $92.86 - $105.40

Q4 2022

Shares 99,160 Value ($000) $11,002 Avg Close $92.80 Range $77.99 - $103.03

Q3 2022

Shares 41,898 Value ($000) $3,608 Avg Close $80.41 Range $76.51 - $85.75

Q2 2022

Shares 43,922 Value ($000) $4,004 Avg Close $79.21 Range $72.83 - $86.09

Q1 2022

Shares 44,056 Value ($000) $3,615 Avg Close $69.85 Range $64.44 - $74.38

Q4 2021

Shares 44,109 Value ($000) $3,381 Avg Close $69.89 Range $62.63 - $80.06

Q3 2021

Shares 44,395 Value ($000) $3,335 Avg Close $66.14 Range $62.09 - $68.78

Q2 2021

Shares 49,915 Value ($000) $3,882 Avg Close $64.14 Range $59.83 - $67.79

Q1 2021

Shares 53,734 Value ($000) $4,142 Avg Close $63.06 Range $58.39 - $69.69

Q4 2020

Shares 622,252 Value ($000) $50,900 Avg Close $64.85 Range $59.73 - $68.80

Q3 2020

Shares 553,094 Value ($000) $45,879 Avg Close $65.93 Range $60.98 - $70.41

Q2 2020

Shares 570,780 Value ($000) $44,138 Avg Close $62.87 Range $58.07 - $67.36

Q1 2020

Shares 594,647 Value ($000) $45,752 Avg Close $65.09 Range $51.91 - $72.71

Q4 2019

Shares 572,831 Value ($000) $52,099 Avg Close $67.55 Range $62.89 - $73.10

Q3 2019

Shares 538,544 Value ($000) $45,335 Avg Close $65.47 Range $61.22 - $68.01

Q2 2019

Shares 570,775 Value ($000) $47,859 Avg Close $62.14 Range $55.86 - $67.34

Q1 2019

Shares 615,906 Value ($000) $51,225 Avg Close $60.29 Range $55.35 - $64.55

Q4 2018

Shares 651,401 Value ($000) $49,774 Avg Close $56.50 Range $50.42 - $61.17

Q3 2018

Shares 752,338 Value ($000) $53,371 Avg Close $50.65 Range $45.40 - $54.60

Q2 2018

Shares 834,662 Value ($000) $50,664 Avg Close $44.52 Range $39.72 - $47.34

Q1 2018

Shares 821,304 Value ($000) $44,736 Avg Close $42.25 Range $39.59 - $47.54

Q4 2017

Shares 715,955 Value ($000) $40,287 Avg Close $43.00 Range $39.63 - $47.96

Q3 2017

Shares 621,345 Value ($000) $39,785 Avg Close $46.68 Range $44.87 - $49.08

Q2 2017

Shares 595,075 Value ($000) $38,138 Avg Close $46.54 Range $45.06 - $48.72

Q1 2017

Shares 587,127 Value ($000) $37,306 Avg Close $46.06 Range $42.70 - $48.31

Q4 2016

Shares 547,014 Value ($000) $32,203 Avg Close $44.08 Range $41.83 - $46.98

Q3 2016

Shares 531,528 Value ($000) $33,173 Avg Close $43.73 Range $40.74 - $45.59

Q2 2016

Shares 598,751 Value ($000) $34,494 Avg Close $39.48 Range $37.06 - $41.09

Q1 2016

Shares 629,108 Value ($000) $33,286 Avg Close $36.03 Range $33.60 - $37.88

Q4 2015

Shares 623,656 Value ($000) $32,942 Avg Close $36.77 Range $33.58 - $38.73

Q3 2015

Shares 612,755 Value ($000) $30,264 Avg Close $38.40 Range $31.46 - $41.36

Q2 2015

Shares 595,860 Value ($000) $33,922 Avg Close $40.23 Range $38.42 - $42.17

Q1 2015

Shares 596,900 Value ($000) $34,310 Avg Close $40.30 Range $37.94 - $43.13

Q4 2014

Shares 467,495 Value ($000) $26,549 Avg Close $39.35 Range $35.32 - $41.85

Q3 2014

Shares 439,818 Value ($000) $26,072 Avg Close $39.37 Range $37.12 - $41.03

Q2 2014

Shares 444,180 Value ($000) $25,696 Avg Close $37.96 Range $36.06 - $39.67

Q1 2014

Shares 439,701 Value ($000) $24,962 Avg Close $35.76 Range $32.43 - $37.92

Q4 2013

Shares 481,103 Value ($000) $24,079 Avg Close $31.29 Range $29.09 - $32.94

Q3 2013

Shares 417,482 Value ($000) $19,876 Avg Close $30.97 Range $29.74 - $31.75

Q2 2013

Shares 409,806 Value ($000) $19,035 Avg Close $30.02 Range $28.02 - $32.11

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	352,977	$37,154	$93.24	$81.31 - $107.59
Q3 2025	401,059	$33,661	$81.01	$75.27 - $86.24
Q2 2025	34,578	$2,737	$77.39	$71.26 - $87.25
Q1 2025	35,126	$3,153	$90.12	$78.10 - $99.24
Q4 2024	35,113	$3,493	$98.70	$90.33 - $109.75
Q3 2024	36,473	$4,142	$112.96	$105.16 - $123.40
Q2 2024	36,685	$4,542	$121.72	$114.80 - $127.87
Q1 2024	36,226	$4,780	$115.77	$102.41 - $125.66
Q4 2023	38,755	$4,225	$96.81	$92.34 - $102.48
Q3 2023	38,735	$3,988	$99.84	$95.67 - $106.04
Q2 2023	41,291	$4,765	$104.47	$97.02 - $109.95
Q1 2023	41,432	$4,408	$98.68	$92.86 - $105.40
Q4 2022	99,160	$11,002	$92.80	$77.99 - $103.03
Q3 2022	41,898	$3,608	$80.41	$76.51 - $85.75
Q2 2022	43,922	$4,004	$79.21	$72.83 - $86.09
Q1 2022	44,056	$3,615	$69.85	$64.44 - $74.38
Q4 2021	44,109	$3,381	$69.89	$62.63 - $80.06
Q3 2021	44,395	$3,335	$66.14	$62.09 - $68.78
Q2 2021	49,915	$3,882	$64.14	$59.83 - $67.79
Q1 2021	53,734	$4,142	$63.06	$58.39 - $69.69
Q4 2020	622,252	$50,900	$64.85	$59.73 - $68.80
Q3 2020	553,094	$45,879	$65.93	$60.98 - $70.41
Q2 2020	570,780	$44,138	$62.87	$58.07 - $67.36
Q1 2020	594,647	$45,752	$65.09	$51.91 - $72.71
Q4 2019	572,831	$52,099	$67.55	$62.89 - $73.10
Q3 2019	538,544	$45,335	$65.47	$61.22 - $68.01
Q2 2019	570,775	$47,859	$62.14	$55.86 - $67.34
Q1 2019	615,906	$51,225	$60.29	$55.35 - $64.55
Q4 2018	651,401	$49,774	$56.50	$50.42 - $61.17
Q3 2018	752,338	$53,371	$50.65	$45.40 - $54.60
Q2 2018	834,662	$50,664	$44.52	$39.72 - $47.34
Q1 2018	821,304	$44,736	$42.25	$39.59 - $47.54
Q4 2017	715,955	$40,287	$43.00	$39.63 - $47.96
Q3 2017	621,345	$39,785	$46.68	$44.87 - $49.08
Q2 2017	595,075	$38,138	$46.54	$45.06 - $48.72
Q1 2017	587,127	$37,306	$46.06	$42.70 - $48.31
Q4 2016	547,014	$32,203	$44.08	$41.83 - $46.98
Q3 2016	531,528	$33,173	$43.73	$40.74 - $45.59
Q2 2016	598,751	$34,494	$39.48	$37.06 - $41.09
Q1 2016	629,108	$33,286	$36.03	$33.60 - $37.88
Q4 2015	623,656	$32,942	$36.77	$33.58 - $38.73
Q3 2015	612,755	$30,264	$38.40	$31.46 - $41.36
Q2 2015	595,860	$33,922	$40.23	$38.42 - $42.17
Q1 2015	596,900	$34,310	$40.30	$37.94 - $43.13
Q4 2014	467,495	$26,549	$39.35	$35.32 - $41.85
Q3 2014	439,818	$26,072	$39.37	$37.12 - $41.03
Q2 2014	444,180	$25,696	$37.96	$36.06 - $39.67
Q1 2014	439,701	$24,962	$35.76	$32.43 - $37.92
Q4 2013	481,103	$24,079	$31.29	$29.09 - $32.94
Q3 2013	417,482	$19,876	$30.97	$29.74 - $31.75
Q2 2013	409,806	$19,035	$30.02	$28.02 - $32.11