<SEC-DOCUMENT>0001393825-23-000127-index.html : 20230209
<SEC-HEADER>0001393825-23-000127.hdr.sgml : 20230209
<ACCEPTANCE-DATETIME>20230209165509
ACCESSION NUMBER:		0001393825-23-000127
CONFORMED SUBMISSION TYPE:	SC 13G
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20230209
DATE AS OF CHANGE:		20230209

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:			1230

	FILING VALUES:
		FORM TYPE:		SC 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-87833
		FILM NUMBER:		23607069

	BUSINESS ADDRESS:	
		STREET 1:		COLLEGE BUSINESS & TECHNOLOGY PARK
		STREET 2:		CRUISERATH, BLANCHARDSTOWN
		CITY:			DUBLIN 15
		STATE:			L2
		ZIP:			D15
		BUSINESS PHONE:		353 1 6960000

	MAIL ADDRESS:	
		STREET 1:		COLLEGE BUSINESS & TECHNOLOGY PARK
		STREET 2:		CRUISERATH, BLANCHARDSTOWN
		CITY:			DUBLIN 15
		STATE:			L2
		ZIP:			D15

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Hudson Bay Capital Management LP
		CENTRAL INDEX KEY:			0001393825
		IRS NUMBER:				371511173
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G

	BUSINESS ADDRESS:	
		STREET 1:		28 HAVEMEYER PLACE
		STREET 2:		2ND FLOOR
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06830
		BUSINESS PHONE:		203-718-5690

	MAIL ADDRESS:	
		STREET 1:		28 HAVEMEYER PLACE
		STREET 2:		2ND FLOOR
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06830

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Hudson Bay Capital Management, L.P.
		DATE OF NAME CHANGE:	20070320
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G
<SEQUENCE>1
<FILENAME>mnk_13g.htm
<DESCRIPTION>MNK 13G
<TEXT>
Document 1 - file: mnk_13g.htm

</DOCUMENT>
</SEC-DOCUMENT>