MERCK & CO INC

Ticker: MRK CUSIP: 58933Y105 Class: COM

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q3 2025
Shares 56,167 Value ($000) $4,714 Avg Close $81.01 Range $75.27 - $86.24
Q2 2025
Shares 94,720 Value ($000) $7,498 Avg Close $77.39 Range $71.26 - $87.25
Q4 2024
Shares 37,824 Value ($000) $3,763 Avg Close $98.70 Range $90.33 - $109.75
Q3 2024
Shares 5,385 Value ($000) $612 Avg Close $112.96 Range $105.16 - $123.40
Q3 2021
Shares 442,779 Value ($000) $33,257 Avg Close $66.14 Range $62.09 - $68.78
Q2 2021
Shares 258,867 Value ($000) $20,132 Avg Close $64.14 Range $59.83 - $67.79
Q1 2021
Shares 290,686 Value ($000) $22,409 Avg Close $63.06 Range $58.39 - $69.69
Q4 2020
Shares 9,147 Value ($000) $748 Avg Close $64.85 Range $59.73 - $68.80
Q3 2020
Shares 9,239 Value ($000) $766 Avg Close $65.93 Range $60.98 - $70.41
Q4 2018
Shares 16,750 Value ($000) $1,280 Avg Close $56.50 Range $50.42 - $61.17
Q4 2016
Shares 48,596 Value ($000) $2,861 Avg Close $44.08 Range $41.83 - $46.98
Q4 2014
Shares 200 Value ($000) $11 Avg Close $39.35 Range $35.32 - $41.85
Q3 2014
Shares 100 Value ($000) $6 Avg Close $39.37 Range $37.12 - $41.03
Q2 2014
Shares 200 Value ($000) $12 Avg Close $37.96 Range $36.06 - $39.67
Q2 2013
Shares 1,000 Value ($000) $46 Avg Close $30.02 Range $28.02 - $32.11