ALKERMES PLC

Ticker: ALKS CUSIP: G01767105 Class: Common Stock

Cormorant Asset Management, LP's Holding History (CIK: 0001583977)

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

Q1 2016
Shares 700,000 Value ($000) $23,933 Avg Close $39.49 Range $27.14 - $78.88
Q4 2015
Shares 700,000 Value ($000) $55,566 Avg Close $70.02 Range $54.36 - $80.71
Q3 2015
Shares 700,000 Value ($000) $41,069 Avg Close $66.02 Range $53.01 - $73.33
Q2 2015
Shares 700,000 Value ($000) $45,038 Avg Close $61.20 Range $54.54 - $68.23
Q1 2015
Shares 700,000 Value ($000) $42,679 Avg Close $68.32 Range $57.31 - $75.17
Q4 2014
Shares 450,000 Value ($000) $26,352 Avg Close $50.94 Range $38.49 - $59.69
Q3 2014
Shares 100,000 Value ($000) $4,287 Avg Close $44.82 Range $41.02 - $52.50
Q2 2014
Shares 100,000 Value ($000) $5,033 Avg Close $46.12 Range $40.30 - $51.81
Q1 2014
Shares 200,000 Value ($000) $8,818 Avg Close $47.58 Range $39.68 - $54.25