MERCK & CO INC

Ticker: MRK CUSIP: 58933Y105 Class: COM

PRIMECAP MANAGEMENT CO/CA/'s Holding History (CIK: 0000763212)

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

Q4 2025
Shares 38,000 Value ($000) $4,000 Avg Close $93.24 Range $81.31 - $107.59
Q3 2025
Shares 46,000 Value ($000) $3,861 Avg Close $81.01 Range $75.27 - $86.24
Q2 2025
Shares 51,900 Value ($000) $4,108 Avg Close $77.39 Range $71.26 - $87.25
Q1 2025
Shares 57,500 Value ($000) $5,161 Avg Close $90.12 Range $78.10 - $99.24
Q4 2024
Shares 60,400 Value ($000) $6,009 Avg Close $98.70 Range $90.33 - $109.75
Q3 2024
Shares 66,800 Value ($000) $7,586 Avg Close $112.96 Range $105.16 - $123.40
Q2 2024
Shares 72,800 Value ($000) $9,013 Avg Close $121.72 Range $114.80 - $127.87
Q1 2024
Shares 76,000 Value ($000) $10,028 Avg Close $115.77 Range $102.41 - $125.66
Q4 2023
Shares 84,500 Value ($000) $9,212 Avg Close $96.81 Range $92.34 - $102.48
Q3 2023
Shares 93,000 Value ($000) $9,574 Avg Close $99.84 Range $95.67 - $106.04
Q2 2023
Shares 96,100 Value ($000) $11,089 Avg Close $104.47 Range $97.02 - $109.95
Q1 2023
Shares 100,900 Value ($000) $10,735 Avg Close $98.68 Range $92.86 - $105.40
Q4 2022
Shares 107,400 Value ($000) $11,916 Avg Close $92.80 Range $77.99 - $103.03
Q3 2022
Shares 116,500 Value ($000) $10,033 Avg Close $80.41 Range $76.51 - $85.75
Q2 2022
Shares 134,900 Value ($000) $12,299 Avg Close $79.21 Range $72.83 - $86.09
Q1 2022
Shares 141,600 Value ($000) $11,618 Avg Close $69.85 Range $64.44 - $74.38
Q4 2021
Shares 243,700 Value ($000) $18,677 Avg Close $69.89 Range $62.63 - $80.06
Q3 2021
Shares 512,400 Value ($000) $38,486 Avg Close $66.14 Range $62.09 - $68.78
Q2 2021
Shares 520,700 Value ($000) $40,495 Avg Close $64.14 Range $59.83 - $67.79
Q1 2021
Shares 1,171,400 Value ($000) $90,303 Avg Close $63.06 Range $58.39 - $69.69
Q4 2020
Shares 2,481,800 Value ($000) $203,011 Avg Close $64.85 Range $59.73 - $68.80
Q3 2020
Shares 2,640,400 Value ($000) $219,021 Avg Close $65.93 Range $60.98 - $70.41
Q2 2020
Shares 2,812,500 Value ($000) $217,491 Avg Close $62.87 Range $58.07 - $67.36
Q1 2020
Shares 3,103,100 Value ($000) $238,753 Avg Close $65.09 Range $51.91 - $72.71
Q4 2019
Shares 3,404,100 Value ($000) $309,603 Avg Close $67.55 Range $62.89 - $73.10
Q3 2019
Shares 3,404,100 Value ($000) $286,557 Avg Close $65.47 Range $61.22 - $68.01
Q2 2019
Shares 3,411,200 Value ($000) $286,029 Avg Close $62.14 Range $55.86 - $67.34
Q1 2019
Shares 3,411,200 Value ($000) $283,710 Avg Close $60.29 Range $55.35 - $64.55
Q4 2018
Shares 3,411,200 Value ($000) $260,650 Avg Close $56.50 Range $50.42 - $61.17
Q3 2018
Shares 3,411,200 Value ($000) $241,991 Avg Close $50.65 Range $45.40 - $54.60
Q2 2018
Shares 3,411,200 Value ($000) $207,060 Avg Close $44.52 Range $39.72 - $47.34
Q1 2018
Shares 3,411,200 Value ($000) $185,808 Avg Close $42.25 Range $39.59 - $47.54
Q4 2017
Shares 5,575,068 Value ($000) $313,709 Avg Close $43.00 Range $39.63 - $47.96
Q3 2017
Shares 5,426,300 Value ($000) $347,446 Avg Close $46.68 Range $44.87 - $49.08
Q2 2017
Shares 5,111,500 Value ($000) $327,596 Avg Close $46.54 Range $45.06 - $48.72
Q1 2017
Shares 4,875,300 Value ($000) $309,777 Avg Close $46.06 Range $42.70 - $48.31
Q4 2016
Shares 2,959,100 Value ($000) $174,202 Avg Close $44.08 Range $41.83 - $46.98
Q3 2016
Shares 2,964,300 Value ($000) $185,002 Avg Close $43.73 Range $40.74 - $45.59
Q2 2016
Shares 2,967,700 Value ($000) $170,969 Avg Close $39.48 Range $37.06 - $41.09
Q1 2016
Shares 2,992,800 Value ($000) $158,349 Avg Close $36.03 Range $33.60 - $37.88
Q4 2015
Shares 2,790,000 Value ($000) $147,368 Avg Close $36.77 Range $33.58 - $38.73
Q3 2015
Shares 2,645,000 Value ($000) $130,637 Avg Close $38.40 Range $31.46 - $41.36
Q2 2015
Shares 2,042,000 Value ($000) $116,251 Avg Close $40.23 Range $38.42 - $42.17
Q1 2015
Shares 1,385,000 Value ($000) $79,610 Avg Close $40.30 Range $37.94 - $43.13
Q4 2014
Shares 700,000 Value ($000) $39,753 Avg Close $39.35 Range $35.32 - $41.85