<SEC-DOCUMENT>0001562180-21-001980.txt : 20210304
<SEC-HEADER>0001562180-21-001980.hdr.sgml : 20210304
<ACCEPTANCE-DATETIME>20210304165433
ACCESSION NUMBER:		0001562180-21-001980
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20210303
FILED AS OF DATE:		20210304
DATE AS OF CHANGE:		20210304

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Hartzell Jay C.
		CENTRAL INDEX KEY:			0001792128

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-10816
		FILM NUMBER:		21714918

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

ISSUER:		

	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

	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>4
<SEQUENCE>1
<FILENAME>primarydocument.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2021-03-03</periodOfReport>

    <notSubjectToSection16>false</notSubjectToSection16>

    <issuer>
        <issuerCik>0000876437</issuerCik>
        <issuerName>MGIC INVESTMENT CORP</issuerName>
        <issuerTradingSymbol>MTG</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001792128</rptOwnerCik>
            <rptOwnerName>Hartzell Jay C.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>250 EAST KILBOURN AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>MILWAUKEE</rptOwnerCity>
            <rptOwnerState>WI</rptOwnerState>
            <rptOwnerZipCode>53202</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>true</isDirector>
            <isOfficer>false</isOfficer>
            <isTenPercentOwner>false</isTenPercentOwner>
            <isOther>false</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable></nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Share Units</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F2"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2021-03-03</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>false</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>82.7899</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F3"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F4"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F5"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>82.7899</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>17482.4801</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The reporting person participates in the MGIC Investment Corporation Deferred Compensation Plan for Non-Employee Directors under which units corresponding to shares of Common Stock of the Issuer (&quot;Share Units&quot;) are awarded to the reporting person and/or acquired through compensation deferral.</footnote>
        <footnote id="F2">These Share Units do not have a specified dollar-denominated exercise or conversion price.  Their value is based, on a one-for-one basis, on the price of the Issuer's common stock on the New York Stock Exchange.</footnote>
        <footnote id="F3">These Share Units were acquired through phantom dividend reinvestment and no price was paid by the reporting person for the Share Units.</footnote>
        <footnote id="F4">These Share Units are settled in cash, on a specified date, unless a qualified election for later distribution is made by the reporting person.</footnote>
        <footnote id="F5">These Share Units do not expire on a fixed date.  They will be settled in cash at the time the underlying units are settled.</footnote>
    </footnotes>

    <remarks>This Form 4 is being signed by the reporting person's attorney-in-fact pursuant to a previously filed power of attorney.</remarks>

    <ownerSignature>
        <signatureName>Martha F. Tsuchihashi, Attorney-in-Fact</signatureName>
        <signatureDate>2021-03-04</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>hartzell.txt
<DESCRIPTION>POWER OF ATTORNEY
<TEXT>



Limited Power of Attorney


KNOW ALL BY THESE PRESENTS, that the undersigned is required,
or may be required in the future, to file reports of changes
in beneficial ownership of equity securities of MGIC Investment
Corporation (the "Company").

To facilitate the filing of these reports, the undersigned
hereby appoints each person who is the Chief Financial Officer,
the General Counsel, the Associate General Counsel, any
Assistant General Counsel, the Secretary, or any Assistant
Secretary of the Company as the undersigned's attorney-in-fact
and agent to: (i)apply on behalf of the undersigned (if necessary)
for access to the EDGAR System maintained by  the U.S. Securities
and Exchange Commission (the "SEC"), (ii) apply on behalf of
the undersigned for access codes (if necessary) for the EDGAR
System, and (iii) sign and file on behalf of the undersigned
any Form 3, Form 4, or Form 5 to be filed by the undersigned
with the SEC or any securities exchange.

Each of the persons authorized to act as such attorney-in-fact
and agent above may do so separately without the concurrence of
the other persons.  The authority granted hereunder is granted
to the person occupying the position specified at the time such
authority is exercised.

Dated: September 20, 2019


Signature:  (s) Jay C. Hartzell

Please print name:  Jay C. Hartzell
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
