ALKERMES PLC

Ticker: ALKS CUSIP: G01767105 Class: Common Stock

GREAT LAKES ADVISORS, LLC's Holding History (CIK: 0001078013)

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

Q4 2020

Shares 274,687 Value ($000) $5,480 Avg Close $18.28 Range $15.35 - $22.22

Q3 2020

Shares 667,713 Value ($000) $11,064 Avg Close $18.17 Range $15.68 - $20.85

Q3 2016

Shares 23,225 Value ($000) $1,092 Avg Close $47.55 Range $43.26 - $52.27

Q4 2015

Shares 12,933 Value ($000) $1,027 Avg Close $70.02 Range $54.36 - $80.71

Q3 2015

Shares 12,616 Value ($000) $740 Avg Close $66.02 Range $53.01 - $73.33

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2020	274,687	$5,480	$18.28	$15.35 - $22.22
Q3 2020	667,713	$11,064	$18.17	$15.68 - $20.85
Q3 2016	23,225	$1,092	$47.55	$43.26 - $52.27
Q4 2015	12,933	$1,027	$70.02	$54.36 - $80.71
Q3 2015	12,616	$740	$66.02	$53.01 - $73.33