<SEC-DOCUMENT>0001558370-17-003102-index.html : 20170428
<SEC-HEADER>0001558370-17-003102.hdr.sgml : 20170428
<ACCEPTANCE-DATETIME>20170428172735
ACCESSION NUMBER:		0001558370-17-003102
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		26
FILED AS OF DATE:		20170428
DATE AS OF CHANGE:		20170428
EFFECTIVENESS DATE:		20170428

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Alkermes plc.
		CENTRAL INDEX KEY:			0001520262
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				981007018
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35299
		FILM NUMBER:		17797318

	BUSINESS ADDRESS:	
		STREET 1:		CONNAUGHT HOUSE
		STREET 2:		1 BURLINGTON ROAD
		CITY:			DUBLIN 4
		STATE:			L2
		ZIP:			00000
		BUSINESS PHONE:		00-353-1-772-8000

	MAIL ADDRESS:	
		STREET 1:		CONNAUGHT HOUSE
		STREET 2:		1 BURLINGTON ROAD
		CITY:			DUBLIN 4
		STATE:			L2
		ZIP:			00000

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ANTLER SCIENCE TWO PLC
		DATE OF NAME CHANGE:	20110804

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Antler Science Two Ltd
		DATE OF NAME CHANGE:	20110509
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>defa14a.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: defa14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>defa14ag001.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: defa14ag001.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>defa14ag002.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: defa14ag002.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>defa14ag003.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: defa14ag003.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>defa14ag004.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: defa14ag004.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>defa14ag005.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: defa14ag005.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>defa14ag006.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: defa14ag006.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>defa14ag007.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: defa14ag007.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>defa14ag008.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: defa14ag008.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>defa14ag009.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 10 - file: defa14ag009.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>defa14ag010.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 11 - file: defa14ag010.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>defa14ag011.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 12 - file: defa14ag011.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>13
<FILENAME>defa14ag012.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 13 - file: defa14ag012.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>14
<FILENAME>defa14ag013.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 14 - file: defa14ag013.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>15
<FILENAME>defa14ag014.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 15 - file: defa14ag014.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>16
<FILENAME>defa14ag015.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 16 - file: defa14ag015.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>17
<FILENAME>defa14ag016.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 17 - file: defa14ag016.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>18
<FILENAME>defa14ag017.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 18 - file: defa14ag017.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>19
<FILENAME>defa14ag018.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 19 - file: defa14ag018.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>20
<FILENAME>defa14ag019.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 20 - file: defa14ag019.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>21
<FILENAME>defa14ag020.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 21 - file: defa14ag020.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>22
<FILENAME>defa14ag021.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 22 - file: defa14ag021.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>23
<FILENAME>defa14ag022.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 23 - file: defa14ag022.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>24
<FILENAME>defa14ag023.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 24 - file: defa14ag023.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>25
<FILENAME>defa14ag024.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 25 - file: defa14ag024.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>26
<FILENAME>defa14ag025.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 26 - file: defa14ag025.gif

</DOCUMENT>
</SEC-DOCUMENT>