<SEC-DOCUMENT>0000921895-18-003284-index.html : 20181213
<SEC-HEADER>0000921895-18-003284.hdr.sgml : 20181213
<ACCEPTANCE-DATETIME>20181212191429
ACCESSION NUMBER:		0000921895-18-003284
CONFORMED SUBMISSION TYPE:	SC 13D
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20181213
DATE AS OF CHANGE:		20181212

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MAGELLAN HEALTH INC
		CENTRAL INDEX KEY:			0000019411
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-HOSPITALS [8060]
		IRS NUMBER:				581076937
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-12251
		FILM NUMBER:		181231871

	BUSINESS ADDRESS:	
		STREET 1:		4800 N. SCOTTSDALE ROAD
		STREET 2:		SUITE 4400
		CITY:			SCOTTSDALE
		STATE:			AZ
		ZIP:			85251
		BUSINESS PHONE:		602-572-6050

	MAIL ADDRESS:	
		STREET 1:		4800 N. SCOTTSDALE ROAD
		STREET 2:		SUITE 4400
		CITY:			SCOTTSDALE
		STATE:			AZ
		ZIP:			85251

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MAGELLAN HEALTH SERVICES INC
		DATE OF NAME CHANGE:	19960226

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CHARTER MEDICAL CORP
		DATE OF NAME CHANGE:	19920703

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Starboard Value LP
		CENTRAL INDEX KEY:			0001517137
		IRS NUMBER:				000000000

	FILING VALUES:
		FORM TYPE:		SC 13D

	BUSINESS ADDRESS:	
		STREET 1:		777 THIRD AVENUE, 18TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017
		BUSINESS PHONE:		(212) 845-7977

	MAIL ADDRESS:	
		STREET 1:		777 THIRD AVENUE, 18TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13D
<SEQUENCE>1
<FILENAME>sc13d06297258_1212018.htm
<DESCRIPTION>THE SCHEDULE 13D
<TEXT>
Document 1 - file: sc13d06297258_1212018.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>ex991to13d06297258_12118.htm
<DESCRIPTION>JOINT FILING AGREEMENT
<TEXT>
Document 2 - file: ex991to13d06297258_12118.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.2
<SEQUENCE>3
<FILENAME>ex992to13d06297258_12118.htm
<DESCRIPTION>POWER OF ATTORNEY
<TEXT>
Document 3 - file: ex992to13d06297258_12118.htm

</DOCUMENT>
</SEC-DOCUMENT>