<SEC-DOCUMENT>0000932471-17-002521-index.html : 20170213
<SEC-HEADER>0000932471-17-002521.hdr.sgml : 20170213
<ACCEPTANCE-DATETIME>20170213083842
ACCESSION NUMBER:		0000932471-17-002521
CONFORMED SUBMISSION TYPE:	SC 13G
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20170213
DATE AS OF CHANGE:		20170213

SUBJECT COMPANY:	

	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:		SC 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-86627
		FILM NUMBER:		17596048

	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

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			VANGUARD SPECIALIZED FUNDS
		CENTRAL INDEX KEY:			0000734383
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0131

	FILING VALUES:
		FORM TYPE:		SC 13G

	BUSINESS ADDRESS:	
		STREET 1:		PO BOX 2600
		STREET 2:		V26
		CITY:			VALLEY FORGE
		STATE:			PA
		ZIP:			19482
		BUSINESS PHONE:		6106691000

	MAIL ADDRESS:	
		STREET 1:		PO BOX 2600
		STREET 2:		V26
		CITY:			VALLEY FORGE
		STATE:			PA
		ZIP:			19482

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	VANGUARD SPECIALIZED FUNDS/
		DATE OF NAME CHANGE:	20011121

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	VANGUARD SPECIALIZED PORTFOLIOS INC
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G
<SEQUENCE>1
<FILENAME>alkermesplc.htm
<TEXT>
Document 1 - file: alkermesplc.htm

</DOCUMENT>
</SEC-DOCUMENT>