<SEC-DOCUMENT>0001193805-19-000186-index.html : 20190212
<SEC-HEADER>0001193805-19-000186.hdr.sgml : 20190212
<ACCEPTANCE-DATETIME>20190212161422
ACCESSION NUMBER:		0001193805-19-000186
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20190212
DATE AS OF CHANGE:		20190212
GROUP MEMBERS:		DEERFIELD INTERNATIONAL MASTER FUND, L.P.
GROUP MEMBERS:		DEERFIELD MANAGEMENT COMPANY, L.P.
GROUP MEMBERS:		DEERFIELD MGMT, L.P.
GROUP MEMBERS:		DEERFIELD PARTNERS, L.P.

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:			1228

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-87833
		FILM NUMBER:		19590935

	BUSINESS ADDRESS:	
		STREET 1:		3 LOTUS PARK, THE CAUSEWAY
		STREET 2:		STAINES-UPON-THAMES
		CITY:			SURREY
		STATE:			X0
		ZIP:			TW18 3AG
		BUSINESS PHONE:		44-017-8463-6700

	MAIL ADDRESS:	
		STREET 1:		3 LOTUS PARK, THE CAUSEWAY
		STREET 2:		STAINES-UPON-THAMES
		CITY:			SURREY
		STATE:			X0
		ZIP:			TW18 3AG

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Flynn James E
		CENTRAL INDEX KEY:			0001352546

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	MAIL ADDRESS:	
		STREET 1:		780 THIRD AVENUE
		STREET 2:		37TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>e618184_sc13ga-mallinckrodt.htm
<TEXT>
Document 1 - file: e618184_sc13ga-mallinckrodt.htm

</DOCUMENT>
</SEC-DOCUMENT>