<SEC-DOCUMENT>0000876437-17-000025-index.html : 20170501
<SEC-HEADER>0000876437-17-000025.hdr.sgml : 20170501
<ACCEPTANCE-DATETIME>20170501172233
ACCESSION NUMBER:		0000876437-17-000025
CONFORMED SUBMISSION TYPE:	10-K/A
PUBLIC DOCUMENT COUNT:		10
CONFORMED PERIOD OF REPORT:	20161231
FILED AS OF DATE:		20170501
DATE AS OF CHANGE:		20170501

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:		10-K/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-10816
		FILM NUMBER:		17801974

	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>10-K/A
<SEQUENCE>1
<FILENAME>mtg12311610ka.htm
<DESCRIPTION>10-K/A
<TEXT>
Document 1 - file: mtg12311610ka.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.3
<SEQUENCE>2
<FILENAME>mtg12311610ka-ex313.htm
<DESCRIPTION>EXHIBIT 31.3
<TEXT>
Document 2 - file: mtg12311610ka-ex313.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.4
<SEQUENCE>3
<FILENAME>mtg12311610ka-ex314.htm
<DESCRIPTION>EXHIBIT 31.4
<TEXT>
Document 3 - file: mtg12311610ka-ex314.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>mtg12311610ka_chart-17762.jpg
<TEXT>
Document 4 - file: mtg12311610ka_chart-17762.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>mtg12311610ka_chart-17772.jpg
<TEXT>
Document 5 - file: mtg12311610ka_chart-17772.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>mtg12311610ka_chart-17835.jpg
<TEXT>
Document 6 - file: mtg12311610ka_chart-17835.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>mtg12311610ka_chart-18194.jpg
<TEXT>
Document 7 - file: mtg12311610ka_chart-18194.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>mtg12311610ka_chart-18851.jpg
<TEXT>
Document 8 - file: mtg12311610ka_chart-18851.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>mtg12311610ka_chart-18992.jpg
<TEXT>
Document 9 - file: mtg12311610ka_chart-18992.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>mtg12311610ka_chart-19778.jpg
<TEXT>
Document 10 - file: mtg12311610ka_chart-19778.jpg

</DOCUMENT>
</SEC-DOCUMENT>