<SUBMISSION>
<ACCESSION-NUMBER>0001181431-05-042794
<TYPE>3
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20050727
<FILING-DATE>20050729
<DATE-OF-FILING-DATE-CHANGE>20050729
<ISSUER>
<COMPANY-DATA>
<CONFORMED-NAME>AMERICAN SUPERCONDUCTOR CORP /DE/
<CIK>0000880807
<ASSIGNED-SIC>3621
<IRS-NUMBER>042959321
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>0331
</COMPANY-DATA>
<BUSINESS-ADDRESS>
<STREET1>TWO TECHNOLOGY DR
<CITY>WESTBOROUGH
<STATE>MA
<ZIP>01581
<PHONE>5088364200
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>TWO TECHNOLOGY DR
<CITY>WESTBOROUGH
<STATE>MA
<ZIP>01581
</MAIL-ADDRESS>
</ISSUER>
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>Winter Terry M
<CIK>0001333663
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>3
<ACT>34
<FILE-NUMBER>000-19672
<FILM-NUMBER>05983587
</FILING-VALUES>
<BUSINESS-ADDRESS>
<PHONE>508-621-4444
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>C/O AMERICAN SUPERCONDUCTOR
<STREET2>TWO TECHNOLOGY DRIVE
<CITY>WESTBOROUGH
<STATE>MA
<ZIP>01581-1727
</MAIL-ADDRESS>
</REPORTING-OWNER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>rrd87275.xml
<DESCRIPTION>FORM 3 - TERRY M. WINTER
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2005-07-27</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000880807</issuerCik>
        <issuerName>AMERICAN SUPERCONDUCTOR CORP /DE/</issuerName>
        <issuerTradingSymbol>AMSC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001333663</rptOwnerCik>
            <rptOwnerName>Winter Terry M</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O AMERICAN SUPERCONDUCTOR</rptOwnerStreet1>
            <rptOwnerStreet2>TWO TECHNOLOGY DRIVE</rptOwnerStreet2>
            <rptOwnerCity>WESTBOROUGH</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>01581-1727</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Executive VP and COO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock, $0.01 par value per share</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1178</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock, $0.01 par value per share</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>10000</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Options to purchase</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>12.55</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2005-03-07</value>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <value>2014-09-07</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>90000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Shares acquired through Employee Stock Purchase Plan.</footnote>
        <footnote id="F2">Nominal consideration was paid for the shares of restricted stock, as required by Delaware law for such shares to be validly issued.</footnote>
        <footnote id="F3">The options are vested with respect to 15,000 shares.  The remaining shares vest as follows: 15,000 shares on 9/7/2005; 30,000 shares on 9/7/2006; and 30,000 shares on 9/7/2007.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Kevin M. Bisson, Attorney-in-Fact</signatureName>
        <signatureDate>2005-07-29</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SUBMISSION>
