-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 HCitpVhlqh5ij81L1OZoXfe5Nu6PUBuAG0mVT6lZ5xWqxhFz65DPzqmmrWEKWbN0
 +WGnJhgN9lNSNGSJHez4NA==

<SEC-DOCUMENT>0001140361-10-040289.txt : 20101006
<SEC-HEADER>0001140361-10-040289.hdr.sgml : 20101006
<ACCEPTANCE-DATETIME>20101006155658
ACCESSION NUMBER:		0001140361-10-040289
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20101001
FILED AS OF DATE:		20101006
DATE AS OF CHANGE:		20101006

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Ferri William J
		CENTRAL INDEX KEY:			0001502501

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	811-10269
		FILM NUMBER:		101111776

	MAIL ADDRESS:	
		STREET 1:		C/O UBS A&Q INVESTMENTS LLC
		STREET 2:		299 PARK AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10171

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			UBS EQUITY OPPORTUNITY FUND, L.L.C.
		CENTRAL INDEX KEY:			0001131682
		STANDARD INDUSTRIAL CLASSIFICATION:	UNKNOWN SIC - 0000 [0000]
		IRS NUMBER:				134151331
		STATE OF INCORPORATION:			NY
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1285 AVENUE OF THE AMERICAS
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019
		BUSINESS PHONE:		8004862608

	MAIL ADDRESS:	
		STREET 1:		1285 AVENUE OF THE AMERICAS
		STREET 2:		1285 AVENUE OF THE AMERICAS
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	UBS EQUITY OPPORTUNITY FUND LLC
		DATE OF NAME CHANGE:	20040930

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PW EQUITY OPPORTUNITY FUND LLC
		DATE OF NAME CHANGE:	20010108
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>doc1.xml
<DESCRIPTION>FORM 3
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0203</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2010-10-01</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001131682</issuerCik>
        <issuerName>UBS EQUITY OPPORTUNITY FUND, L.L.C.</issuerName>
        <issuerTradingSymbol>N/A</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001502501</rptOwnerCik>
            <rptOwnerName>Ferri William J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O UBS ALTERNATIVE AND QUANTITATIVE</rptOwnerStreet1>
            <rptOwnerStreet2>INVESTMENTS LLC, 299 PARK AVENUE</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10171</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <officerTitle>Principal Executive Officer</officerTitle>
            <otherText>(1)</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable></nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes></footnotes>

    <remarks>(1) The Reporting Person is also Global Head of UBS Alternative and Quantitative Investments LLC, the investment adviser of the Issuer.</remarks>

    <ownerSignature>
        <signatureName>/s/ William J. Ferri</signatureName>
        <signatureDate>2010-10-01</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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