<SEC-DOCUMENT>0000876437-18-000017-index.html : 20180427
<SEC-HEADER>0000876437-18-000017.hdr.sgml : 20180427
<ACCEPTANCE-DATETIME>20180427170523
ACCESSION NUMBER:		0000876437-18-000017
CONFORMED SUBMISSION TYPE:	8-A12B/A
PUBLIC DOCUMENT COUNT:		2
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:		8-A12B/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-10816
		FILM NUMBER:		18785351

	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>8-A12B/A
<SEQUENCE>1
<FILENAME>mtg-8xaaamendment9.htm
<DESCRIPTION>8-A12B/A
<TEXT>
Document 1 - file: mtg-8xaaamendment9.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.1
<SEQUENCE>2
<FILENAME>ex41tomtg-8aa.htm
<DESCRIPTION>EXHIBIT 4.1
<TEXT>
Document 2 - file: ex41tomtg-8aa.htm

</DOCUMENT>
</SEC-DOCUMENT>