MERCK & CO INC

Ticker: MRK CUSIP: 58933Y105 Class: COM

MARSHALL WACE, LLP's Holding History (CIK: 0001318757)

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

Q4 2025
Shares 3,969,469 Value ($000) $417,826 Avg Close $93.24 Range $81.31 - $107.59
Q3 2025
Shares 883,900 Value ($000) $74,186 Avg Close $81.01 Range $75.27 - $86.24
Q2 2025
Shares 3,144,500 Value ($000) $248,919 Avg Close $77.39 Range $71.26 - $87.25
Q1 2025
Shares 7,607 Value ($000) $683 Avg Close $90.12 Range $78.10 - $99.24
Q4 2024
Shares 331 Value ($000) $33 Avg Close $98.70 Range $90.33 - $109.75
Q3 2024
Shares 3,360 Value ($000) $382 Avg Close $112.96 Range $105.16 - $123.40
Q2 2024
Shares 2,584,183 Value ($000) $319,922 Avg Close $121.72 Range $114.80 - $127.87
Q1 2024
Shares 1,949,989 Value ($000) $257,301 Avg Close $115.77 Range $102.41 - $125.66
Q4 2023
Shares 3,989,960 Value ($000) $434,985 Avg Close $96.81 Range $92.34 - $102.48
Q3 2023
Shares 2,051,405 Value ($000) $211,192 Avg Close $99.84 Range $95.67 - $106.04
Q2 2023
Shares 176,087 Value ($000) $20,319 Avg Close $104.47 Range $97.02 - $109.95
Q4 2022
Shares 1,033,806 Value ($000) $114,701 Avg Close $92.80 Range $77.99 - $103.03
Q3 2022
Shares 661,287 Value ($000) $56,951 Avg Close $80.41 Range $76.51 - $85.75
Q2 2022
Shares 5,801,745 Value ($000) $528,944 Avg Close $79.21 Range $72.83 - $86.09
Q1 2022
Shares 6,785,568 Value ($000) $556,755 Avg Close $69.85 Range $64.44 - $74.38
Q4 2021
Shares 39,087 Value ($000) $2,996 Avg Close $69.89 Range $62.63 - $80.06
Q3 2021
Shares 2,514 Value ($000) $189 Avg Close $66.14 Range $62.09 - $68.78
Q4 2020
Shares 54,136 Value ($000) $4,428 Avg Close $64.85 Range $59.73 - $68.80
Q3 2020
Shares 260,990 Value ($000) $21,650 Avg Close $65.93 Range $60.98 - $70.41
Q2 2020
Shares 163,612 Value ($000) $12,653 Avg Close $62.87 Range $58.07 - $67.36
Q1 2020
Shares 321,817 Value ($000) $24,760 Avg Close $65.09 Range $51.91 - $72.71
Q4 2019
Shares 354,553 Value ($000) $32,246 Avg Close $67.55 Range $62.89 - $73.10
Q3 2019
Shares 206,561 Value ($000) $17,389 Avg Close $65.47 Range $61.22 - $68.01
Q2 2019
Shares 464,269 Value ($000) $38,928 Avg Close $62.14 Range $55.86 - $67.34
Q1 2019
Shares 220,124 Value ($000) $18,308 Avg Close $60.29 Range $55.35 - $64.55
Q4 2018
Shares 133,965 Value ($000) $10,237 Avg Close $56.50 Range $50.42 - $61.17
Q3 2018
Shares 63,097 Value ($000) $4,476 Avg Close $50.65 Range $45.40 - $54.60
Q2 2018
Shares 33,398 Value ($000) $2,027 Avg Close $44.52 Range $39.72 - $47.34
Q2 2017
Shares 22,083 Value ($000) $1,413 Avg Close $46.54 Range $45.06 - $48.72
Q4 2016
Shares 480,610 Value ($000) $28,294 Avg Close $44.08 Range $41.83 - $46.98
Q3 2016
Shares 1,244,468 Value ($000) $77,667 Avg Close $43.73 Range $40.74 - $45.59
Q2 2016
Shares 65,415 Value ($000) $3,768 Avg Close $39.48 Range $37.06 - $41.09
Q1 2016
Shares 210,903 Value ($000) $11,159 Avg Close $36.03 Range $33.60 - $37.88
Q4 2015
Shares 444,880 Value ($000) $23,499 Avg Close $36.77 Range $33.58 - $38.73
Q3 2015
Shares 18,931 Value ($000) $935 Avg Close $38.40 Range $31.46 - $41.36
Q2 2015
Shares 662,385 Value ($000) $37,710 Avg Close $40.23 Range $38.42 - $42.17
Q1 2015
Shares 135,184 Value ($000) $7,770 Avg Close $40.30 Range $37.94 - $43.13
Q4 2014
Shares 306,004 Value ($000) $17,378 Avg Close $39.35 Range $35.32 - $41.85
Q3 2014
Shares 456,886 Value ($000) $27,084 Avg Close $39.37 Range $37.12 - $41.03
Q2 2014
Shares 30,139 Value ($000) $1,744 Avg Close $37.96 Range $36.06 - $39.67