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    ACCESSION NUMBER:		0000876437-18-000019
    CONFORMED SUBMISSION TYPE:	PRE 14A
    PUBLIC DOCUMENT COUNT:		24
    CONFORMED PERIOD OF REPORT:	20180725
    FILED AS OF DATE:		20180427
    DATE AS OF CHANGE:		20180427

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			MGIC INVESTMENT CORP
    		CENTRAL INDEX KEY:			0000876437
    		STANDARD INDUSTRIAL CLASSIFICATION:	SURETY INSURANCE [6351]
    		IRS NUMBER:				391486475
    		STATE OF INCORPORATION:			WI
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		PRE 14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-10816
    		FILM NUMBER:		18785557

    	BUSINESS ADDRESS:
    		STREET 1:		250 EAST KILBOURN AVENUE
    		CITY:			MILWAUKEE
    		STATE:			WI
    		ZIP:			53202
    		BUSINESS PHONE:		4143476480

    	MAIL ADDRESS:
    		STREET 1:		250 EAST KILBOURN AVENUE
    		CITY:			MILWAUKEE
    		STATE:			WI
    		ZIP:			53202
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