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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 RytzSGrcxcB4uqqt4eHr+6JHE3TuCdzdEsvtahWgWjD9/OkhPJCzM1JKK0LH4Yk+
 aR84gXurEA+0egwVmcNVLg==

<SEC-DOCUMENT>0001129787-06-000003.txt : 20060118
<SEC-HEADER>0001129787-06-000003.hdr.sgml : 20060118
<ACCEPTANCE-DATETIME>20060118154938
ACCESSION NUMBER:		0001129787-06-000003
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20060113
FILED AS OF DATE:		20060118
DATE AS OF CHANGE:		20060118

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Morfit G Mason
		CENTRAL INDEX KEY:			0001325920

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-22570
		FILM NUMBER:		06535613

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		4153623700

	MAIL ADDRESS:	
		STREET 1:		435 PACIFIC AVENUE
		STREET 2:		4TH FLOOR
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94133

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Solexa, Inc.
		CENTRAL INDEX KEY:			0000913275
		STANDARD INDUSTRIAL CLASSIFICATION:	MEDICINAL CHEMICALS & BOTANICAL PRODUCTS [2833]
		IRS NUMBER:				943161073
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		25861 INDUSTRIAL BLVD
		CITY:			HAYWARD
		STATE:			CA
		ZIP:			94545
		BUSINESS PHONE:		5106709300

	MAIL ADDRESS:	
		STREET 1:		25861 INDUSTRIAL BLVD
		CITY:			HAYWARD
		STATE:			CA
		ZIP:			94545

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	LYNX THERAPEUTICS INC
		DATE OF NAME CHANGE:	19931008
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2006-01-13</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000913275</issuerCik>
        <issuerName>Solexa, Inc.</issuerName>
        <issuerTradingSymbol>slxa</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001325920</rptOwnerCik>
            <rptOwnerName>Morfit G Mason</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>435 PACIFIC AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2>4TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>SAN FRANCISCO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94133</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>2006-01-13</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>2890</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>10.74</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2890</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F2"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The shares were issued pursuant to the Company's 2005 Incentive Plan for payment of retainer and meeting attendance fees.  The shares are fully vested upon issuance and are restricted from sale for twelve months from the date of issuance.</footnote>
        <footnote id="F2">Under an agreement with ValueAct Capital Master Fund, L.P., G. Mason Morfit is deemed to hold the stock for the benefit of ValueAct Capital Master Fund, L.P., and indirectly for VA Partners, LLC as general partner of ValueAct Capital Master Fund, L.P.  G. Mason Morfit is a director of Solexa, Inc. and a non-Managing Member of VA Partners, LLC.  The reporting person disclaims beneficial ownership of the reported stock except to the extent of his pecuniary interest therein.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>By: /s/ G. Mason Morfit</signatureName>
        <signatureDate>2006-01-18</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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