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Proc-Type: 2001,MIC-CLEAR
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<SEC-DOCUMENT>0001104659-09-038677.txt : 20090617
<SEC-HEADER>0001104659-09-038677.hdr.sgml : 20090617
<ACCEPTANCE-DATETIME>20090617171208
ACCESSION NUMBER:		0001104659-09-038677
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20090615
FILED AS OF DATE:		20090617
DATE AS OF CHANGE:		20090617

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			GT Solar International, Inc.
		CENTRAL INDEX KEY:			0001394954
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				030606749
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0331

	BUSINESS ADDRESS:	
		STREET 1:		243 DANIEL WEBSTER HIGHWAY
		CITY:			MERRIMACK
		STATE:			NH
		ZIP:			03054
		BUSINESS PHONE:		(603)883-5200

	MAIL ADDRESS:	
		STREET 1:		243 DANIEL WEBSTER HIGHWAY
		CITY:			MERRIMACK
		STATE:			NH
		ZIP:			03054

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			OAKTREE CAPITAL MANAGEMENT LP
		CENTRAL INDEX KEY:			0000949509
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34133
		FILM NUMBER:		09897170

	BUSINESS ADDRESS:	
		STREET 1:		333 S GRAND AVENUE 28TH FL
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90071
		BUSINESS PHONE:		2138306300

	MAIL ADDRESS:	
		STREET 1:		333 S GRAND AVE 28TH FL
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90071

	FORMER NAME:	
		FORMER CONFORMED NAME:	OAKTREE CAPITAL MANAGEMENT LLC
		DATE OF NAME CHANGE:	20010605
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>a4.xml
<DESCRIPTION>4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2009-06-15</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001394954</issuerCik>
        <issuerName>GT Solar International, Inc.</issuerName>
        <issuerTradingSymbol>SOLR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000949509</rptOwnerCik>
            <rptOwnerName>OAKTREE CAPITAL MANAGEMENT LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O OAKTREE CAPITAL MANAGEMENT, L.P.</rptOwnerStreet1>
            <rptOwnerStreet2>333 SOUTH GRAND AVENUE, 28TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>LOS ANGELES</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>90071</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2009-06-15</value>
            </transactionDate>
            <deemedExecutionDate>
                <value>2009-06-15</value>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>5900000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>5.86</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>105538149</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By GT Solar Holdings, LLC</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                    <footnoteId id="F4"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">OCM/GFI Power Opportunities Fund II, L.P. (&quot;Main Fund&quot;) and OCM/GFI Power Opportunities Fund II (Cayman), L.P. (&quot;Cayman Fund&quot; and together with Main Fund, &quot;OCM/GFI Funds&quot;) are together the managing member of GT Solar Holdings, LLC. Oaktree Capital Management, L.P. (&quot;OCM&quot;) is one of two investment managers of each of the OCM/GFI Funds. Voting and investment power with respect to securities owned by the OCM/GFI Funds is exercised by a four-person committee which includes two representatives of OCM (Messrs. Stephen A. Kaplan and Michael P. Harmon).</footnote>
        <footnote id="F2">OCM Power Opportunities Fund II GP, L.P. is the general partner of the Main Fund and the director of OCM Power Opportunities Fund II GP (Cayman) Ltd. OCM Power Opportunities Fund II GP (Cayman) Ltd. is the general partner of the Cayman Fund. Oaktree Fund GP I, L.P. is the general partner of OCM Power Opportunities Fund II GP, L.P. Oaktree Capital I, L.P. is the general partner of Oaktree Fund GP I, L.P. OCM Holdings I, LLC is the general partner of Oaktree Capital I, L.P. Oaktree Holdings, LLC is the managing member of OCM Holdings I, LLC.  Oaktree Holdings, Inc. is the general partner of OCM.</footnote>
        <footnote id="F3">Oaktree Capital Group, LLC is the managing member of Oaktree Holdings, LLC and the sole shareholder of Oaktree Holdings, Inc. Oaktree Capital Group Holdings, L.P. controls Oaktree Capital Group, LLC. Oaktree Capital Group Holdings GP, LLC is the general partner of Oaktree Capital Group Holdings, L.P. Oaktree Capital Group Holdings GP, LLC is managed by Howard S. Marks, Bruce A. Karsh, Sheldon M. Stone, D. Richard Masson, Larry W. Keele, Stephen A. Kaplan, John B. Frank, David Kirchheimer and Kevin L. Clayton.</footnote>
        <footnote id="F4">By virtue of the ownership structure described above, each of the OCM/GFI Funds, Oaktree Capital Group Holdings GP, LLC, Oaktree Capital Group Holdings, L.P., Oaktree Capital Group, LLC, Oaktree Holdings, LLC, OCM Holdings I, LLC, Oaktree Capital I, L.P., Oaktree Fund GP I, L.P., OCM Power Opportunities Fund II GP (Cayman) Ltd., OCM Power Opportunities Fund II GP, L.P., Oaktree Holdings, Inc., OCM, Howard S. Marks, Bruce A. Karsh, Sheldon M. Stone, D. Richard Masson, Larry W. Keele, Stephen A. Kaplan, John B. Frank, David Kirchheimer, Kevin L. Clayton and Michael P. Harmon (collectively, the &quot;Oaktree Group&quot;) may be deemed to have beneficial ownership of the shares owned by GT Solar Holdings, LLC. The Oaktree Group expressly disclaims beneficial ownership of the shares held by GT Solar Holdings, LLC, except to the extent of their respective pecuniary interests therein.</footnote>
    </footnotes>

    <remarks>This Form 4 is being filed in two parts due to the large number of reporting persons.  This filing is filed by Oaktree Capital Management, L.P.  An accompanying filing is filed, on the date hereof, by Oaktree Capital Group Holdings GP, LLC, Oaktree Capital Group Holdings, L.P., Oaktree Capital Group, LLC, Oaktree Holdings, LLC, OCM Holdings I, LLC, Oaktree Capital I, L.P., Oaktree Fund GP I, L.P., OCM Power Opportunities Fund II GP (Cayman) Ltd., OCM Power Opportunities Fund II GP, L.P. and Oaktree Holdings, Inc.  Both filings relate to the same transaction described above.</remarks>

    <ownerSignature>
        <signatureName>OAKTREE CAPITAL MANAGEMENT, L.P.,  By: /s/ Todd Molz  Name: Todd Molz Title:  Managing Director, General Counsel,  By: /s/ Martin Boskovich Name: Martin Boskovich  Title:  Vice President, Legal</signatureName>
        <signatureDate>2009-06-17</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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