    <SEC-DOCUMENT>0001193125-21-120432-index.html : 20210419
    <SEC-HEADER>0001193125-21-120432.hdr.sgml : 20210419
    <ACCEPTANCE-DATETIME>20210419083140
    ACCESSION NUMBER:		0001193125-21-120432
    CONFORMED SUBMISSION TYPE:	PREM14A
    PUBLIC DOCUMENT COUNT:		4
    CONFORMED PERIOD OF REPORT:	20210419
    FILED AS OF DATE:		20210419
    DATE AS OF CHANGE:		20210419

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			MAGNACHIP SEMICONDUCTOR Corp
    		CENTRAL INDEX KEY:			0001325702
    		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
    		IRS NUMBER:				830406195
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		PREM14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-34791
    		FILM NUMBER:		21833309

    	BUSINESS ADDRESS:
    		STREET 1:		C/O MAGNACHIP SEMICONDUCTOR S.A.
    		STREET 2:		74, RUE DE MERL
    		CITY:			LUXEMBOURG
    		STATE:			N4
    		ZIP:			L-2146
    		BUSINESS PHONE:		(352) 45-62-62

    	MAIL ADDRESS:
    		STREET 1:		C/O MAGNACHIP SEMICONDUCTOR S.A.
    		STREET 2:		74, RUE DE MERL
    		CITY:			LUXEMBOURG
    		STATE:			N4
    		ZIP:			L-2146

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	MAGNACHIP SEMICONDUCTOR LLC
    		DATE OF NAME CHANGE:	20110304

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	MAGNACHIP SEMICONDUCTOR Corp
    		DATE OF NAME CHANGE:	20110303

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	MAGNACHIP SEMICONDUCTOR LLC
    		DATE OF NAME CHANGE:	20100701
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>PREM14A
    <SEQUENCE>1
    <FILENAME>d104034dprem14a.htm
    <DESCRIPTION>PREM14A
    <TEXT>
    Document 1 - file: d104034dprem14a.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>g104034g01a20.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 2 - file: g104034g01a20.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>g104034g02a33.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: g104034g02a33.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>g104034g69v92.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: g104034g69v92.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>