-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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<SEC-DOCUMENT>0001077479-03-000006.txt : 20030708
<SEC-HEADER>0001077479-03-000006.hdr.sgml : 20030708
<ACCEPTANCE-DATETIME>20030708141355
ACCESSION NUMBER:		0001077479-03-000006
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030707
FILED AS OF DATE:		20030708

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ING PRIME RATE TRUST
		CENTRAL INDEX KEY:			0000826020
		STANDARD INDUSTRIAL CLASSIFICATION:	UNKNOWN SIC - 0000 [0000]
		IRS NUMBER:				956874587
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			0228

	BUSINESS ADDRESS:	
		STREET 1:		ING PRIME RATE TRUST
		STREET 2:		7337 E. DOUBLETREE RANCH ROAD
		CITY:			SCOTTSDALE
		STATE:			AZ
		ZIP:			85258
		BUSINESS PHONE:		4804773000

	MAIL ADDRESS:	
		STREET 1:		ING PRIME RATE TRUST
		STREET 2:		7337 E. DOUBLETREE RANCH ROAD
		CITY:			SCOTTSDALE
		STATE:			AZ
		ZIP:			85258

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PILGRIM AMERICA PRIME RATE TRUST
		DATE OF NAME CHANGE:	19960518

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PILGRIM PRIME RATE TRUST/
		DATE OF NAME CHANGE:	19960518

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PILGRIM PRIME RATE TRUST
		DATE OF NAME CHANGE:	19920703

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ING CAPITAL CORP LLC
		CENTRAL INDEX KEY:			0000882860
		STANDARD INDUSTRIAL CLASSIFICATION:	MORTGAGE BANKERS & LOAN CORRESPONDENTS [6162]
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0930

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	811-05410
		FILM NUMBER:		03778315

	BUSINESS ADDRESS:	
		STREET 1:		7337 E DOUBLETREE RANCH RD
		CITY:			SCOTTSDALE
		STATE:			AZ
		ZIP:			85258
		BUSINESS PHONE:		4804772140

	MAIL ADDRESS:	
		STREET 1:		TWO RENAISSANCE SQUARE
		STREET 2:		40 N CENTRAL AVE SUITE 1200
		CITY:			PHOENIX
		STATE:			AZ
		ZIP:			85004

	FORMER NAME:	
		FORMER CONFORMED NAME:	PILGRIM CAPITAL CORP
		DATE OF NAME CHANGE:	19990628

	FORMER NAME:	
		FORMER CONFORMED NAME:	PILGRIM AMERICA CAPITAL CORP
		DATE OF NAME CHANGE:	19970514

	FORMER NAME:	
		FORMER CONFORMED NAME:	FIRST WESTERN CORPORATION/DE
		DATE OF NAME CHANGE:	19930328
</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>2003-07-07</periodOfReport>


    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000826020</issuerCik>
        <issuerName>ING PRIME RATE TRUST</issuerName>
        <issuerTradingSymbol>PPR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000882860</rptOwnerCik>
            <rptOwnerName>ING CAPITAL CORP LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>  </rptOwnerStreet1>
            <rptOwnerStreet2>  </rptOwnerStreet2>
            <rptOwnerCity>  </rptOwnerCity>
            <rptOwnerState>  </rptOwnerState>
            <rptOwnerZipCode>  </rptOwnerZipCode>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>Invesment Adviser Affiliate</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeSecurity>
        <securityTitle>
            <value>Common Stock</value>
        </securityTitle>
        <transactionDate>
            <value>2003-07-07</value>
        </transactionDate>
        <transactionCoding>
            <transactionFormType>4</transactionFormType>
            <transactionCode>S</transactionCode>
            <equitySwapInvolved>0</equitySwapInvolved>
        </transactionCoding>
        <transactionTimeliness>
            <value></value>
        </transactionTimeliness>
        <transactionAmounts>
            <transactionShares>
                <value>23644.2193</value>
                <footnoteId id="F1"/>
            </transactionShares>
            <transactionValue>
                <value>7.4</value>
            </transactionValue>
            <transactionAcquiredDisposedCode>
                <value>D</value>
            </transactionAcquiredDisposedCode>
        </transactionAmounts>
        <postTransactionAmounts>
            <sharesOwnedFollowingTransaction>
                <value>0</value>
            </sharesOwnedFollowingTransaction>
        </postTransactionAmounts>
        <ownershipNature>
            <directOrIndirectOwnership>
                <value>D</value>
            </directOrIndirectOwnership>
        </ownershipNature>
    </nonDerivativeSecurity>

    <footnotes>
        <footnote id="F1">The Form 4/A filed on July 3, 2003 indicated shares owned following the June 24, 2003 transaction was 23,464.2193, which was a typographical error.  The actual shares owned following said transaction was 23,644.2193.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Lauren D. Bensinger</signatureName>
        <signatureDate>2003-07-08</signatureDate>
    </ownerSignature>

</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----
