-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 PIKwGP04yymSHsa+nGwi7YNFqCvEJkMoAdXpVcbqzGAmWZDVRHK1v1QqT/syd5QQ
 VXcRpjJ/snev00uhaUfjcA==

<SEC-DOCUMENT>0000754811-09-000053.txt : 20090702
<SEC-HEADER>0000754811-09-000053.hdr.sgml : 20090702
<ACCEPTANCE-DATETIME>20090702121441
ACCESSION NUMBER:		0000754811-09-000053
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20090701
FILED AS OF DATE:		20090702
DATE AS OF CHANGE:		20090702

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			TERRACINA ROY D
		CENTRAL INDEX KEY:			0001145100

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-13928
		FILM NUMBER:		09925532

	MAIL ADDRESS:	
		STREET 1:		7900 CALLAGHAN RD
		CITY:			SAN ANTONIO
		STATE:			TX
		ZIP:			78229

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			U S GLOBAL INVESTORS INC
		CENTRAL INDEX KEY:			0000754811
		STANDARD INDUSTRIAL CLASSIFICATION:	INVESTMENT ADVICE [6282]
		IRS NUMBER:				741598370
		STATE OF INCORPORATION:			TX
		FISCAL YEAR END:			0630

	BUSINESS ADDRESS:	
		STREET 1:		7900 CALLAGHAN RD
		CITY:			SAN ANTONIO
		STATE:			TX
		ZIP:			78229
		BUSINESS PHONE:		2103081234

	MAIL ADDRESS:	
		STREET 1:		7900 CALLAGHAN ROAD
		CITY:			SAN ANTONIO
		STATE:			TX
		ZIP:			78229

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	UNITED SERVICES ADVISORS INC /TX/
		DATE OF NAME CHANGE:	19950321
</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>2009-07-01</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000754811</issuerCik>
        <issuerName>U S GLOBAL INVESTORS INC</issuerName>
        <issuerTradingSymbol>GROW</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001145100</rptOwnerCik>
            <rptOwnerName>TERRACINA ROY D</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>7900 CALLAGHAN RD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SAN ANTONIO</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>78229</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2009-07-01</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>100</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>9.49</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>36500</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Award of Class A Common stock to Member of Board of Directors.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Susan B. McGee, Power of Attorney for Roy D. Terracina</signatureName>
        <signatureDate>2009-07-02</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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