ALKERMES PLC

Ticker: ALKS CUSIP: G01767105 Class: Common Stock

Asset Management One Co., Ltd.'s Holding History (CIK: 0001068855)

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

Q4 2019

Shares 15,850 Value ($000) $323 Avg Close $19.88 Range $17.11 - $21.88

Q3 2019

Shares 77,714 Value ($000) $1,515 Avg Close $21.76 Range $18.69 - $25.35

Q2 2019

Shares 77,714 Value ($000) $1,753 Avg Close $27.41 Range $21.29 - $37.75

Q1 2019

Shares 68,041 Value ($000) $2,483 Avg Close $33.02 Range $28.19 - $36.56

Q4 2018

Shares 234,184 Value ($000) $6,898 Avg Close $36.92 Range $27.54 - $45.16

Q3 2018

Shares 233,344 Value ($000) $9,914 Avg Close $43.40 Range $38.23 - $46.98

Q2 2018

Shares 232,372 Value ($000) $9,560 Avg Close $45.54 Range $39.54 - $51.70

Q1 2018

Shares 232,322 Value ($000) $13,465 Avg Close $58.50 Range $51.68 - $71.22

Q4 2017

Shares 221,743 Value ($000) $12,136 Avg Close $51.03 Range $46.43 - $56.58

Q3 2017

Shares 234,377 Value ($000) $11,924 Avg Close $53.48 Range $48.90 - $61.31

Q2 2017

Shares 3,632 Value ($000) $210 Avg Close $58.09 Range $53.64 - $63.40

Q1 2017

Shares 3,877 Value ($000) $227 Avg Close $56.71 Range $51.08 - $62.50

Q4 2016

Shares 15,930 Value ($000) $883 Avg Close $53.46 Range $41.93 - $60.74

Q3 2016

Shares 70,669 Value ($000) $3,301 Avg Close $47.55 Range $43.26 - $52.27

Q2 2016

Shares 78,872 Value ($000) $3,429 Avg Close $41.26 Range $33.31 - $47.90

Q1 2016

Shares 84,408 Value ($000) $2,722 Avg Close $39.49 Range $27.14 - $78.88

Q4 2015

Shares 89,891 Value ($000) $7,084 Avg Close $70.02 Range $54.36 - $80.71

Q3 2015

Shares 92,684 Value ($000) $5,111 Avg Close $66.02 Range $53.01 - $73.33

Q2 2015

Shares 124,973 Value ($000) $7,866 Avg Close $61.20 Range $54.54 - $68.23

Q1 2015

Shares 139,324 Value ($000) $8,708 Avg Close $68.32 Range $57.31 - $75.17

Q4 2014

Shares 132,856 Value ($000) $7,765 Avg Close $50.94 Range $38.49 - $59.69

Q3 2014

Shares 117,587 Value ($000) $5,144 Avg Close $44.82 Range $41.02 - $52.50

Q2 2014

Shares 3,375 Value ($000) $171 Avg Close $46.12 Range $40.30 - $51.81

Q1 2014

Shares 37,444 Value ($000) $1,571 Avg Close $47.58 Range $39.68 - $54.25

Q4 2013

Shares 52,656 Value ($000) $2,148 Avg Close $36.93 Range $29.36 - $41.47

Q3 2013

Shares 56,868 Value ($000) $1,913 Avg Close $32.55 Range $27.72 - $35.72

Q2 2013

Shares 23,846 Value ($000) $690 Avg Close $29.15 Range $22.17 - $34.30

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2019	15,850	$323	$19.88	$17.11 - $21.88
Q3 2019	77,714	$1,515	$21.76	$18.69 - $25.35
Q2 2019	77,714	$1,753	$27.41	$21.29 - $37.75
Q1 2019	68,041	$2,483	$33.02	$28.19 - $36.56
Q4 2018	234,184	$6,898	$36.92	$27.54 - $45.16
Q3 2018	233,344	$9,914	$43.40	$38.23 - $46.98
Q2 2018	232,372	$9,560	$45.54	$39.54 - $51.70
Q1 2018	232,322	$13,465	$58.50	$51.68 - $71.22
Q4 2017	221,743	$12,136	$51.03	$46.43 - $56.58
Q3 2017	234,377	$11,924	$53.48	$48.90 - $61.31
Q2 2017	3,632	$210	$58.09	$53.64 - $63.40
Q1 2017	3,877	$227	$56.71	$51.08 - $62.50
Q4 2016	15,930	$883	$53.46	$41.93 - $60.74
Q3 2016	70,669	$3,301	$47.55	$43.26 - $52.27
Q2 2016	78,872	$3,429	$41.26	$33.31 - $47.90
Q1 2016	84,408	$2,722	$39.49	$27.14 - $78.88
Q4 2015	89,891	$7,084	$70.02	$54.36 - $80.71
Q3 2015	92,684	$5,111	$66.02	$53.01 - $73.33
Q2 2015	124,973	$7,866	$61.20	$54.54 - $68.23
Q1 2015	139,324	$8,708	$68.32	$57.31 - $75.17
Q4 2014	132,856	$7,765	$50.94	$38.49 - $59.69
Q3 2014	117,587	$5,144	$44.82	$41.02 - $52.50
Q2 2014	3,375	$171	$46.12	$40.30 - $51.81
Q1 2014	37,444	$1,571	$47.58	$39.68 - $54.25
Q4 2013	52,656	$2,148	$36.93	$29.36 - $41.47
Q3 2013	56,868	$1,913	$32.55	$27.72 - $35.72
Q2 2013	23,846	$690	$29.15	$22.17 - $34.30