<SEC-DOCUMENT>0001048703-17-000056.txt : 20170419
<SEC-HEADER>0001048703-17-000056.hdr.sgml : 20170419
<ACCEPTANCE-DATETIME>20170419153107
ACCESSION NUMBER:		0001048703-17-000056
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20170411
FILED AS OF DATE:		20170419
DATE AS OF CHANGE:		20170419

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MFS INVESTMENT GRADE MUNICIPAL TRUST
		CENTRAL INDEX KEY:			0000847411
		IRS NUMBER:				043046360
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			1130

	BUSINESS ADDRESS:	
		STREET 1:		111 HUNTINGTON AVENUE
		STREET 2:		24TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02199
		BUSINESS PHONE:		617-954-5000

	MAIL ADDRESS:	
		STREET 1:		111 HUNTINGTON AVENUE
		STREET 2:		24TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02199

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	COLONIAL INVESTMENT GRADE MUNICIPAL TRUST
		DATE OF NAME CHANGE:	19920703

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			KARPUS GEORGE W
		CENTRAL INDEX KEY:			0001223048

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	811-05785
		FILM NUMBER:		17769883

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Karpus Management, Inc.
		CENTRAL INDEX KEY:			0001048703
		STATE OF INCORPORATION:			NY
		FISCAL YEAR END:			0630

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	811-05785
		FILM NUMBER:		17769884

	BUSINESS ADDRESS:	
		STREET 1:		183 SULLY'S TRAIL
		CITY:			PITTSFORD
		STATE:			NY
		ZIP:			14534
		BUSINESS PHONE:		5855864680

	MAIL ADDRESS:	
		STREET 1:		183 SULLY'S TRAIL
		CITY:			PITTSFORD
		STATE:			NY
		ZIP:			14534

	FORMER NAME:	
		FORMER CONFORMED NAME:	KARPUS MANAGEMENT INC
		DATE OF NAME CHANGE:	19971029
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2017-04-11</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000847411</issuerCik>
        <issuerName>MFS INVESTMENT GRADE MUNICIPAL TRUST</issuerName>
        <issuerTradingSymbol>CXH</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001048703</rptOwnerCik>
            <rptOwnerName>Karpus Management, Inc.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>183 SULLY'S TRAIL</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>PITTSFORD</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>14534</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001223048</rptOwnerCik>
            <rptOwnerName>KARPUS GEORGE W</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>KARPUS MANAGEMENT, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>183 SULLY'S TRAIL</rptOwnerStreet2>
            <rptOwnerCity>PITTSFORD</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>14534</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2687046</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F2"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>230422</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F3"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">This Form 3 is filed by Karpus Management,Inc.,d/b/a Karpus Investment Management (&quot;Karpus&quot;) and George W. Karpus (collectively, the &quot;Reporting Persons&quot;). Each Reporting Person may be deemed to be a member of a Section 13(d) group that owns more than 10% of the Issuer's outstanding shares of common stock. Both Karpus and Mr. Karpus disclaim any beneficial ownership (as that term is defined in SEC Rule 16a-1(2)) of shares of the Issuer except to the extent of its or his pecuniary interest, if any, therein. This filing shall not be an admission by either of the Reporting Persons and the filers disclaim any such obligation.</footnote>
        <footnote id="F2">Shares of Common Stock beneficially owned by Karpus.</footnote>
        <footnote id="F3">Mr. Karpus beneficially owns 199,016 Shares. In addition, Mr. Karpus may be deemed to beneficially own 31,406 Shares held by Karpus Management, Inc.'s corporate account.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Karpus Management, Inc. by Daniel L. Lippincott, CFA, Sr. Tax-Sensitive Mgr. &amp; Director of Investment Personnel</signatureName>
        <signatureDate>2017-04-19</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>George W. Karpus</signatureName>
        <signatureDate>2017-04-19</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
