ALKERMES PLC

Ticker: ALKS CUSIP: G01767105 Class: Common Stock

TCW GROUP INC's Holding History (CIK: 0000850401)

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

Q2 2017

Shares 13,582 Value ($000) $787 Avg Close $58.09 Range $53.64 - $63.40

Q1 2017

Shares 13,605 Value ($000) $796 Avg Close $56.71 Range $51.08 - $62.50

Q4 2016

Shares 24,343 Value ($000) $1,353 Avg Close $53.46 Range $41.93 - $60.74

Q3 2016

Shares 26,969 Value ($000) $1,268 Avg Close $47.55 Range $43.26 - $52.27

Q2 2016

Shares 42,591 Value ($000) $1,840 Avg Close $41.26 Range $33.31 - $47.90

Q1 2016

Shares 44,143 Value ($000) $1,509 Avg Close $39.49 Range $27.14 - $78.88

Q4 2015

Shares 49,472 Value ($000) $3,926 Avg Close $70.02 Range $54.36 - $80.71

Q3 2015

Shares 54,038 Value ($000) $3,171 Avg Close $66.02 Range $53.01 - $73.33

Q2 2015

Shares 106,953 Value ($000) $6,882 Avg Close $61.20 Range $54.54 - $68.23

Q1 2015

Shares 90,986 Value ($000) $5,548 Avg Close $68.32 Range $57.31 - $75.17

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2017	13,582	$787	$58.09	$53.64 - $63.40
Q1 2017	13,605	$796	$56.71	$51.08 - $62.50
Q4 2016	24,343	$1,353	$53.46	$41.93 - $60.74
Q3 2016	26,969	$1,268	$47.55	$43.26 - $52.27
Q2 2016	42,591	$1,840	$41.26	$33.31 - $47.90
Q1 2016	44,143	$1,509	$39.49	$27.14 - $78.88
Q4 2015	49,472	$3,926	$70.02	$54.36 - $80.71
Q3 2015	54,038	$3,171	$66.02	$53.01 - $73.33
Q2 2015	106,953	$6,882	$61.20	$54.54 - $68.23
Q1 2015	90,986	$5,548	$68.32	$57.31 - $75.17