-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 OWy/OWcF+E8vFjHcQL3BM4i3BEj0MnQNkvrcLlruG2jsol4gXtUkk3w6Gpq6lGh8
 sYm2v9FWWSlN7TH4VnE4og==

<SEC-DOCUMENT>0000909450-03-000101.txt : 20030718
<SEC-HEADER>0000909450-03-000101.hdr.sgml : 20030718
<ACCEPTANCE-DATETIME>20030717185257
ACCESSION NUMBER:		0000909450-03-000101
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030716
FILED AS OF DATE:		20030718

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MDC CORP INC
		CENTRAL INDEX KEY:			0000876883
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-ADVERTISING AGENCIES [7311]
		IRS NUMBER:				980364441
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		45 HAZELTON AVE
		CITY:			TORONTO ONTARIO CANA
		STATE:			A6

	MAIL ADDRESS:	
		STREET 1:		45 HAZELTON AVE
		CITY:			TORONTO ONTARIO
		STATE:			A6
		ZIP:			999999999

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MDC COMMUNICATIONS CORP
		DATE OF NAME CHANGE:	19961028

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MDC CORPORATION
		DATE OF NAME CHANGE:	19950419

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			GRUBER & MCBAINE CAPITAL MANAGEMENT LLC
		CENTRAL INDEX KEY:			0000909450

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13718
		FILM NUMBER:		03792035

	BUSINESS ADDRESS:	
		STREET 1:		50 OSGOOD PLACE PENTHOUSE
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94133
		BUSINESS PHONE:		4159811039

	MAIL ADDRESS:	
		STREET 1:		50 OSGOOD PLACE
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94133

	FORMER NAME:	
		FORMER CONFORMED NAME:	GRUBER & MCBAINE CAPITAL MANAGEMENT/GRUBER JON D ET AL
		DATE OF NAME CHANGE:	19951108
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>

<ownershipDocument>

    <documentType>4</documentType>

    <periodOfReport>2003-07-16</periodOfReport>


    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000876883</issuerCik>
        <issuerName>MDC CORP INC</issuerName>
        <issuerTradingSymbol>MDCA</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000909450</rptOwnerCik>
            <rptOwnerName>GRUBER &amp; MCBAINE CAPITAL MANAGEMENT LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>  </rptOwnerStreet1>
            <rptOwnerStreet2>  </rptOwnerStreet2>
            <rptOwnerCity>  </rptOwnerCity>
            <rptOwnerState>  </rptOwnerState>
            <rptOwnerZipCode>  </rptOwnerZipCode>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeSecurity>
        <securityTitle>
            <value>Common Stock</value>
        </securityTitle>
        <transactionDate>
            <value>2003-07-16</value>
        </transactionDate>
        <transactionCoding>
            <transactionFormType>4</transactionFormType>
            <transactionCode>S</transactionCode>
            <equitySwapInvolved>0</equitySwapInvolved>
        </transactionCoding>
        <transactionTimeliness>
            <value></value>
        </transactionTimeliness>
        <transactionAmounts>
            <transactionShares>
                <value>54500</value>
            </transactionShares>
            <transactionValue>
                <value>7.88</value>
            </transactionValue>
            <transactionAcquiredDisposedCode>
                <value>D</value>
            </transactionAcquiredDisposedCode>
        </transactionAmounts>
        <postTransactionAmounts>
            <sharesOwnedFollowingTransaction>
                <value>1186152</value>
                <footnoteId id="F4"/>
            </sharesOwnedFollowingTransaction>
        </postTransactionAmounts>
        <ownershipNature>
            <directOrIndirectOwnership>
                <value>I</value>
            </directOrIndirectOwnership>
            <natureOfOwnership>
                <value>By Limited Partnerships and Investment Advisory Accounts</value>
                <footnoteId id="F1"/>
                <footnoteId id="F5"/>
            </natureOfOwnership>
        </ownershipNature>
    </nonDerivativeSecurity>

    <nonDerivativeSecurity>
        <securityTitle>
            <value>Common Stock</value>
        </securityTitle>
        <transactionDate>
            <value>2003-07-16</value>
        </transactionDate>
        <transactionCoding>
            <transactionFormType>4</transactionFormType>
            <transactionCode>S</transactionCode>
            <equitySwapInvolved>0</equitySwapInvolved>
        </transactionCoding>
        <transactionTimeliness>
            <value></value>
        </transactionTimeliness>
        <transactionAmounts>
            <transactionShares>
                <value>4000</value>
            </transactionShares>
            <transactionValue>
                <value>7.88</value>
            </transactionValue>
            <transactionAcquiredDisposedCode>
                <value>D</value>
            </transactionAcquiredDisposedCode>
        </transactionAmounts>
        <postTransactionAmounts>
            <sharesOwnedFollowingTransaction>
                <value>194816</value>
                <footnoteId id="F3"/>
                <footnoteId id="F4"/>
            </sharesOwnedFollowingTransaction>
        </postTransactionAmounts>
        <ownershipNature>
            <directOrIndirectOwnership>
                <value>D</value>
            </directOrIndirectOwnership>
        </ownershipNature>
    </nonDerivativeSecurity>

    <nonDerivativeSecurity>
        <securityTitle>
            <value>Common Stock</value>
        </securityTitle>
        <transactionDate>
            <value>2003-07-16</value>
        </transactionDate>
        <transactionCoding>
            <transactionFormType>4</transactionFormType>
            <transactionCode>S</transactionCode>
            <equitySwapInvolved>0</equitySwapInvolved>
        </transactionCoding>
        <transactionTimeliness>
            <value></value>
        </transactionTimeliness>
        <transactionAmounts>
            <transactionShares>
                <value>8000</value>
            </transactionShares>
            <transactionValue>
                <value>7.88</value>
            </transactionValue>
            <transactionAcquiredDisposedCode>
                <value>D</value>
            </transactionAcquiredDisposedCode>
        </transactionAmounts>
        <postTransactionAmounts>
            <sharesOwnedFollowingTransaction>
                <value>202350</value>
                <footnoteId id="F2"/>
                <footnoteId id="F4"/>
            </sharesOwnedFollowingTransaction>
        </postTransactionAmounts>
        <ownershipNature>
            <directOrIndirectOwnership>
                <value>D</value>
            </directOrIndirectOwnership>
        </ownershipNature>
    </nonDerivativeSecurity>

    <footnotes>
        <footnote id="F1">This form is filed by Gruber &amp; McBaine Capital Management, LLC (GMCM), a limited liability company that is an investment adviser for client accounts and a general partner of investment limited partnerships; Jon D. Gruber (Gruber) and J. Patterson McBaine (McBaine), who are managers, members and portfolio mangers of GMCM; and Eric B Swergold (Swergold), who is a member and portfolio manager of GMCM.</footnote>
        <footnote id="F2">By McBaine.</footnote>
        <footnote id="F3">By Gruber.</footnote>
        <footnote id="F4">This total is the number of shares beneficially owned after the transactions reported in accounts and investment partnerships in which the reporting persons have some pecuniary interest; the total excludes shares held in other client
accounts managed by GMCM in which the reporting persons have no pecuniary interest.</footnote>
        <footnote id="F5">By GMCM, as an investment adviser for client accounts and a general partner of investment partnerships, and by Gruber and McBaine as managers, members and portfolio managers of GMCM, and by Swergold as a member and portfolio manager of GMCM.  GMCM, Gruber, McBaine and Swergold have pecuniary interest in those client accounts and partnerships that in the agregate represent less than the total number of shares shown in Items 4 and 5. Each such reporting person disclaims
beneficial ownership of the securities with respect to which indirect beneficial ownership is reported, except to the extent of that reporting persons pro rata pecuniary interest therein.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>GRUBER &amp; MCBAINE CAPITAL MANAGEMENT, LLC  By:	/s/ J. Patterson McBaine, J. Patterson McBaine, Manager</signatureName>
        <signatureDate>2003-07-17</signatureDate>
    </ownerSignature>
    <ownerSignature>
        <signatureName>/s/ J. Patterson McBaine</signatureName>
        <signatureDate>2003-07-17</signatureDate>
    </ownerSignature>
    <ownerSignature>
        <signatureName>/s/ Jon D. Gruber</signatureName>
        <signatureDate>2003-07-17</signatureDate>
    </ownerSignature>

</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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