-----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,
 BKCXifHfVQVdVpY3H2yPq5kcWpXxQgIgOkWqB6Em+Ya3oTO3BhfEzaVhJgGoet4k
 C6oSYxMLsJXcOlVc99KCRQ==

<SEC-DOCUMENT>0001251309-03-000001.txt : 20030702
<SEC-HEADER>0001251309-03-000001.hdr.sgml : 20030702
<ACCEPTANCE-DATETIME>20030702113729
ACCESSION NUMBER:		0001251309-03-000001
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030701
FILED AS OF DATE:		20030702

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ALEXANDER BENJAMIN M
		CENTRAL INDEX KEY:			0001251309

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-12965
		FILM NUMBER:		03770268

	BUSINESS ADDRESS:	
		STREET 1:		180 SOUTH MAIN STREET
		CITY:			PROVIDENCE
		STATE:			RI
		ZIP:			02903
		BUSINESS PHONE:		4018618200

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NESTOR INC
		CENTRAL INDEX KEY:			0000720851
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		IRS NUMBER:				133163744
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		400 MASSASOIT AVE
		STREET 2:		STE 200
		CITY:			PROVIDENCE
		STATE:			RI
		ZIP:			02914
		BUSINESS PHONE:		4014345522

	MAIL ADDRESS:	
		STREET 1:		400 MASSASOIT AVE
		STREET 2:		STE 200
		CITY:			PROVIDENCE
		STATE:			RI
		ZIP:			02914
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>

<ownershipDocument>

    <documentType>3</documentType>

    <periodOfReport>2003-07-01</periodOfReport>


    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000720851</issuerCik>
        <issuerName>NESTOR INC</issuerName>
        <issuerTradingSymbol>NESO.OB</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001251309</rptOwnerCik>
            <rptOwnerName>ALEXANDER BENJAMIN M</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>  </rptOwnerStreet1>
            <rptOwnerStreet2>  </rptOwnerStreet2>
            <rptOwnerCity>  </rptOwnerCity>
            <rptOwnerState>  </rptOwnerState>
            <rptOwnerZipCode>  </rptOwnerZipCode>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Secretary</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>


    <ownerSignature>
        <signatureName>Benjamin M. Alexander</signatureName>
        <signatureDate>2003-07-01</signatureDate>
    </ownerSignature>

</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----