<SEC-DOCUMENT>0000902664-15-000918-index.html : 20150218
<SEC-HEADER>0000902664-15-000918.hdr.sgml : 20150216
<ACCEPTANCE-DATETIME>20150217101357
ACCESSION NUMBER:		0000902664-15-000918
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20150217
DATE AS OF CHANGE:		20150217

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Mallinckrodt plc
		CENTRAL INDEX KEY:			0001567892
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				981088325
		FISCAL YEAR END:			0930

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-87833
		FILM NUMBER:		15618827

	BUSINESS ADDRESS:	
		STREET 1:		DAMASTOWN
		STREET 2:		MULHUDDART
		CITY:			DUBLIN
		STATE:			L2
		ZIP:			15
		BUSINESS PHONE:		353 1 8808180

	MAIL ADDRESS:	
		STREET 1:		DAMASTOWN
		STREET 2:		MULHUDDART
		CITY:			DUBLIN
		STATE:			L2
		ZIP:			15

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			JANA PARTNERS LLC
		CENTRAL INDEX KEY:			0001159159
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		767 FIFTH AVENUE, 8TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10153
		BUSINESS PHONE:		212-455-0900

	MAIL ADDRESS:	
		STREET 1:		767 FIFTH AVENUE, 8TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10153
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>p15-0244sc13ga.htm
<DESCRIPTION>MALLINCKRODT PLC
<TEXT>
Document 1 - file: p15-0244sc13ga.htm

</DOCUMENT>
</SEC-DOCUMENT>