-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 AD7wPoFTVKCV9SxLL4bm0d46SdnCo/8uPXxu9V4eN5e4Ysu8EpSaAkSxLiHLO12v
 nx45U/qGfH2CdxILQTZ9yw==

<SEC-DOCUMENT>0001456218-09-000007.txt : 20090403
<SEC-HEADER>0001456218-09-000007.hdr.sgml : 20090403
<ACCEPTANCE-DATETIME>20090403105057
ACCESSION NUMBER:		0001456218-09-000007
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20090402
FILED AS OF DATE:		20090403
DATE AS OF CHANGE:		20090403

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Akhoury Ravi
		CENTRAL INDEX KEY:			0001456218

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	811-05133
		FILM NUMBER:		09730432

	MAIL ADDRESS:	
		STREET 1:		PUTNAM INVESTMENTS
		STREET 2:		ONE POST OFFICE SQUARE
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02109

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PUTNAM HIGH INCOME SECURITIES FUND
		CENTRAL INDEX KEY:			0000810943
		STANDARD INDUSTRIAL CLASSIFICATION:	UNKNOWN SIC - 0000 [0000]
		IRS NUMBER:				046562068
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			0831

	BUSINESS ADDRESS:	
		STREET 1:		ONE POST OFFICE SQ
		STREET 2:		MAILSTOP A 14
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02109
		BUSINESS PHONE:		8002251581

	MAIL ADDRESS:	
		STREET 1:		PUTNAM LLC
		STREET 2:		ONE POST OFFICE SQ
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02109

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PUTNAM HIGH INCOME BOND FUND
		DATE OF NAME CHANGE:	20030408

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PUTNAM HIGH BOND FUND
		DATE OF NAME CHANGE:	20021107

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PUTNAM HIGH INCOME CONVERTIBLE & BOND FUND
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2009-04-02</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000810943</issuerCik>
        <issuerName>PUTNAM HIGH INCOME SECURITIES FUND</issuerName>
        <issuerTradingSymbol>pcf</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001456218</rptOwnerCik>
            <rptOwnerName>Akhoury Ravi</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>PUTNAM INVESTMENTS</rptOwnerStreet1>
            <rptOwnerStreet2>ONE POST OFFICE SQUARE</rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02109</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Closed End Fund</value>
            </securityTitle>
            <transactionDate>
                <value>2009-04-02</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>100</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>5.32</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>100</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <ownerSignature>
        <signatureName>Ravi Akhoury</signatureName>
        <signatureDate>2009-04-03</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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