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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,
 JSKoAIcoIU4yf55VTNTKoDdr5TFolJ9RE18UsCobEZlmFaquGPlYIUAMDzNlsfwh
 935VYkrKkjAoFuMC3Do0Fg==

<SEC-DOCUMENT>0001385198-08-000015.txt : 20080702
<SEC-HEADER>0001385198-08-000015.hdr.sgml : 20080702
<ACCEPTANCE-DATETIME>20080702154937
ACCESSION NUMBER:		0001385198-08-000015
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20080630
FILED AS OF DATE:		20080702
DATE AS OF CHANGE:		20080702

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			JENSEN JAMES U
		CENTRAL INDEX KEY:			0001013414
		STATE OF INCORPORATION:			DE

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-11730
		FILM NUMBER:		08934084

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		8015845337

	MAIL ADDRESS:	
		STREET 1:		44 NORTH WOLCOTT
		CITY:			SALT LAKE CITY
		STATE:			UT
		ZIP:			84103

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BAYHILL CAPITAL CORP
		CENTRAL INDEX KEY:			0000726293
		STANDARD INDUSTRIAL CLASSIFICATION:	TELEPHONE COMMUNICATIONS (NO RADIO TELEPHONE) [4813]
		IRS NUMBER:				841089377
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0305

	BUSINESS ADDRESS:	
		STREET 1:		10757 S. RIVERFRONT PARKWAY
		STREET 2:		SUITE 125
		CITY:			SOUTH JORDAN
		STATE:			UT
		ZIP:			84095
		BUSINESS PHONE:		801-705-5128

	MAIL ADDRESS:	
		STREET 1:		10757 S. RIVERFRONT PARKWAY
		STREET 2:		SUITE 125
		CITY:			SOUTH JORDAN
		STATE:			UT
		ZIP:			84095

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	COGNIGEN NETWORKS INC
		DATE OF NAME CHANGE:	20000718

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SILVERTHORNE PRODUCTION CO
		DATE OF NAME CHANGE:	19940422

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CELLULAR RADIO SYSTEMS INC
		DATE OF NAME CHANGE:	19880713
</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>2008-06-30</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000726293</issuerCik>
        <issuerName>BAYHILL CAPITAL CORP</issuerName>
        <issuerTradingSymbol>BYHL</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001013414</rptOwnerCik>
            <rptOwnerName>JENSEN JAMES U</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>44 NORTH WOLCOTT</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SALT LAKE CITY</rptOwnerCity>
            <rptOwnerState>UT</rptOwnerState>
            <rptOwnerZipCode>84103</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2008-06-30</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>15933</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>76093</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2008-06-30</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F3"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>63730</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>63730</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F4"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>112</value>
                    <footnoteId id="F5"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Spouse</value>
                    <footnoteId id="F6"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The reporting person acquired these shares of Common Stock through a pro rata distribution from BayHill Capital, LC, to all the members of BayHill Capital, LC of which the reporting person is a member.</footnote>
        <footnote id="F2">Of the total securities beneficially owned 30,000 shares are restricted shares and are subject to certain time and performance vesting provisions.  The total amount of shares reflects the application of a reverse split the Issuer completed on April 23, 2008.</footnote>
        <footnote id="F3">These shares of Common Stock were acquired by Amsterdam First, LC, through a pro rata distribution from BayHill Capital, LC, to all the members of BayHill Capital, LC of which Amsterdam First, LC is a member.</footnote>
        <footnote id="F4">The reporting person is a member and manager of Amsterdam First, LC, who is the owner of these securities.  The reporting person disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose.</footnote>
        <footnote id="F5">Share amount reflects the application of a reverse split the Issuer completed on April 23, 2008.</footnote>
        <footnote id="F6">The reporting person disclaims beneficial ownership of these securities.  This report shall not be deemed an admission that the reporting person is the beneficial owner of these securities for purposes of Section 16 or for any other purpose.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ JAMES U. JENSEN</signatureName>
        <signatureDate>2008-07-02</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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