ALKERMES PLC

Ticker: ALKS CUSIP: G01767105 Class: Common Stock

D.A. DAVIDSON & CO.'s Holding History (CIK: 0001080107)

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

Q1 2018

Shares 3,526 Value ($000) $204 Avg Close $58.50 Range $51.68 - $71.22

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2018	3,526	$204	$58.50	$51.68 - $71.22