    <SEC-DOCUMENT>0000876437-23-000018-index.html : 20230324
    <SEC-HEADER>0000876437-23-000018.hdr.sgml : 20230324
    <ACCEPTANCE-DATETIME>20230324130345
    ACCESSION NUMBER:		0000876437-23-000018
    CONFORMED SUBMISSION TYPE:	ARS
    PUBLIC DOCUMENT COUNT:		1
    CONFORMED PERIOD OF REPORT:	20221231
    FILED AS OF DATE:		20230324
    DATE AS OF CHANGE:		20230324
    EFFECTIVENESS DATE:		20230324

    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:		ARS
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-10816
    		FILM NUMBER:		23759063

    	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
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>ARS
    <SEQUENCE>1
    <FILENAME>mtg-123122annualreport.pdf
    <DESCRIPTION>ARS
    <TEXT>
    Document 1 - file: mtg-123122annualreport.pdf

    </DOCUMENT>
    </SEC-DOCUMENT>