MERCK & CO INC

Ticker: MRK CUSIP: 58933Y105 Class: COM

Rock Springs Capital Management LP's Holding History (CIK: 0001595725)

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

Q4 2017
Shares 850,700 Value ($000) $47,869 Avg Close $43.00 Range $39.63 - $47.96
Q3 2017
Shares 758,000 Value ($000) $48,535 Avg Close $46.68 Range $44.87 - $49.08
Q2 2017
Shares 758,000 Value ($000) $48,580 Avg Close $46.54 Range $45.06 - $48.72
Q1 2017
Shares 750,000 Value ($000) $47,655 Avg Close $46.06 Range $42.70 - $48.31
Q4 2016
Shares 750,000 Value ($000) $44,153 Avg Close $44.08 Range $41.83 - $46.98
Q3 2016
Shares 587,500 Value ($000) $36,666 Avg Close $43.73 Range $40.74 - $45.59
Q4 2014
Shares 450,000 Value ($000) $25,556 Avg Close $39.35 Range $35.32 - $41.85
Q3 2014
Shares 475,000 Value ($000) $28,158 Avg Close $39.37 Range $37.12 - $41.03
Q2 2014
Shares 475,000 Value ($000) $27,479 Avg Close $37.96 Range $36.06 - $39.67