MERCK & CO INC

Ticker: MRK CUSIP: 58933Y105 Class: COM

DEERFIELD MANAGEMENT COMPANY, L.P.'s Holding History (CIK: 0001009258)

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

Q3 2025
Shares 1,030,000 Value ($000) $86,448 Avg Close $81.01 Range $75.27 - $86.24
Q2 2025
Shares 857,724 Value ($000) $67,897 Avg Close $77.39 Range $71.26 - $87.25
Q3 2024
Shares 8,482 Value ($000) $963 Avg Close $112.96 Range $105.16 - $123.40
Q4 2023
Shares 2,960 Value ($000) $323 Avg Close $96.81 Range $92.34 - $102.48
Q1 2014
Shares 477,200 Value ($000) $27,091 Avg Close $35.76 Range $32.43 - $37.92
Q4 2013
Shares 725,000 Value ($000) $36,286 Avg Close $31.29 Range $29.09 - $32.94
Q3 2013
Shares 475,000 Value ($000) $22,614 Avg Close $30.97 Range $29.74 - $31.75
Q2 2013
Shares 575,000 Value ($000) $26,709 Avg Close $30.02 Range $28.02 - $32.11