ALKERMES PLC

Ticker: ALKS CUSIP: G01767105 Class: Common Stock

GW&K Investment Management, LLC's Holding History (CIK: 0001082917)

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

Q3 2018
Shares 325,266 Value ($000) $13,804 Avg Close $43.40 Range $38.23 - $46.98
Q2 2018
Shares 326,855 Value ($000) $13,453 Avg Close $45.54 Range $39.54 - $51.70
Q1 2018
Shares 333,219 Value ($000) $19,313 Avg Close $58.50 Range $51.68 - $71.22
Q4 2017
Shares 306,678 Value ($000) $16,784 Avg Close $51.03 Range $46.43 - $56.58
Q3 2017
Shares 308,531 Value ($000) $15,686 Avg Close $53.48 Range $48.90 - $61.31
Q2 2017
Shares 308,396 Value ($000) $17,878 Avg Close $58.09 Range $53.64 - $63.40
Q1 2017
Shares 248,469 Value ($000) $14,535 Avg Close $56.71 Range $51.08 - $62.50
Q4 2016
Shares 260,268 Value ($000) $14,466 Avg Close $53.46 Range $41.93 - $60.74
Q3 2016
Shares 281,098 Value ($000) $13,220 Avg Close $47.55 Range $43.26 - $52.27
Q2 2016
Shares 223,274 Value ($000) $9,650 Avg Close $41.26 Range $33.31 - $47.90
Q1 2016
Shares 190,974 Value ($000) $6,529 Avg Close $39.49 Range $27.14 - $78.88
Q4 2015
Shares 107,558 Value ($000) $8,538 Avg Close $70.02 Range $54.36 - $80.71
Q3 2015
Shares 106,253 Value ($000) $6,234 Avg Close $66.02 Range $53.01 - $73.33
Q2 2015
Shares 67,117 Value ($000) $4,318 Avg Close $61.20 Range $54.54 - $68.23