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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 CACRWRtxoKlN11HIkyNTs0mF543oDJwstwzPlqypXIzPZJaVnJLxDOYypVf530dC
 Rn0oK5qDdjE8XGG2wPlZ0A==

<SEC-DOCUMENT>0000939359-03-000001.txt : 20030604
<SEC-HEADER>0000939359-03-000001.hdr.sgml : 20030604
<ACCEPTANCE-DATETIME>20030604134433
ACCESSION NUMBER:		0000939359-03-000001
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030603
FILED AS OF DATE:		20030604

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:			TURNER JOHN G
		CENTRAL INDEX KEY:			0000939359

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	811-05410
		FILM NUMBER:		03732101

	BUSINESS ADDRESS:	
		STREET 1:		527 MARQUETTE AVE S STE 2150
		CITY:			MINNEAPOLIS
		STATE:			MN
		ZIP:			55402
		BUSINESS PHONE:		6123339922

	MAIL ADDRESS:	
		STREET 1:		527 MARQUETTE AVE S STE 2150
		CITY:			MINNEAPOLIS
		STATE:			MN
		ZIP:			55402
</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>2003-06-03</periodOfReport>


    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000939359</rptOwnerCik>
            <rptOwnerName>TURNER JOHN G</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>  </rptOwnerStreet1>
            <rptOwnerStreet2>  </rptOwnerStreet2>
            <rptOwnerCity>  </rptOwnerCity>
            <rptOwnerState>  </rptOwnerState>
            <rptOwnerZipCode>  </rptOwnerZipCode>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeSecurity>
        <securityTitle>
            <value>Common Stock</value>
        </securityTitle>
        <transactionDate>
            <value>2003-06-03</value>
        </transactionDate>
        <transactionCoding>
            <transactionFormType>4</transactionFormType>
            <transactionCode>S</transactionCode>
            <equitySwapInvolved>0</equitySwapInvolved>
        </transactionCoding>
        <transactionTimeliness>
            <value></value>
        </transactionTimeliness>
        <transactionAmounts>
            <transactionShares>
                <value>61450</value>
            </transactionShares>
            <transactionValue>
                <value>7.0639</value>
            </transactionValue>
            <transactionAcquiredDisposedCode>
                <value>D</value>
            </transactionAcquiredDisposedCode>
        </transactionAmounts>
        <postTransactionAmounts>
            <sharesOwnedFollowingTransaction>
                <value>60000</value>
                <footnoteId id="F1"/>
            </sharesOwnedFollowingTransaction>
        </postTransactionAmounts>
        <ownershipNature>
            <directOrIndirectOwnership>
                <value>I</value>
            </directOrIndirectOwnership>
            <natureOfOwnership>
                <value>by self as Chairman of Hillcrest Capital Partners</value>
            </natureOfOwnership>
        </ownershipNature>
    </nonDerivativeSecurity>

    <footnotes>
        <footnote id="F1">Owns an additional 63,000 shares of common stock directly.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>John G. Turner - Signature on File</signatureName>
        <signatureDate>2003-06-03</signatureDate>
    </ownerSignature>

</ownershipDocument>

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