ALKERMES PLC

Ticker: ALKS CUSIP: G01767105 Class: Common Stock

NORTHEAST INVESTMENT MANAGEMENT's Holding History (CIK: 0001082215)

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

Q1 2017

Shares 4,747 Value ($000) $278 Avg Close $56.71 Range $51.08 - $62.50

Q4 2016

Shares 5,127 Value ($000) $285 Avg Close $53.46 Range $41.93 - $60.74

Q3 2016

Shares 5,208 Value ($000) $245 Avg Close $47.55 Range $43.26 - $52.27

Q2 2016

Shares 5,252 Value ($000) $227 Avg Close $41.26 Range $33.31 - $47.90

Q4 2015

Shares 106,285 Value ($000) $8,437 Avg Close $70.02 Range $54.36 - $80.71

Q3 2015

Shares 87,102 Value ($000) $5,110 Avg Close $66.02 Range $53.01 - $73.33

Q2 2015

Shares 71,627 Value ($000) $4,608 Avg Close $61.20 Range $54.54 - $68.23

Q1 2015

Shares 56,295 Value ($000) $3,432 Avg Close $68.32 Range $57.31 - $75.17

Q4 2014

Shares 30,707 Value ($000) $1,798 Avg Close $50.94 Range $38.49 - $59.69

Q3 2014

Shares 8,877 Value ($000) $381 Avg Close $44.82 Range $41.02 - $52.50

Q2 2014

Shares 10,559 Value ($000) $531 Avg Close $46.12 Range $40.30 - $51.81

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2017	4,747	$278	$56.71	$51.08 - $62.50
Q4 2016	5,127	$285	$53.46	$41.93 - $60.74
Q3 2016	5,208	$245	$47.55	$43.26 - $52.27
Q2 2016	5,252	$227	$41.26	$33.31 - $47.90
Q4 2015	106,285	$8,437	$70.02	$54.36 - $80.71
Q3 2015	87,102	$5,110	$66.02	$53.01 - $73.33
Q2 2015	71,627	$4,608	$61.20	$54.54 - $68.23
Q1 2015	56,295	$3,432	$68.32	$57.31 - $75.17
Q4 2014	30,707	$1,798	$50.94	$38.49 - $59.69
Q3 2014	8,877	$381	$44.82	$41.02 - $52.50
Q2 2014	10,559	$531	$46.12	$40.30 - $51.81