-----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,
 I0cyZrgLXCB8RAvn+/KJ3dns9LUYN+exNFp6h6+BB0qHac1wwXB9zlHArSBfQm3J
 uuNWA8YKF6wIdm4nJPbwsw==

<SEC-DOCUMENT>0001059243-03-000101.txt : 20030923
<SEC-HEADER>0001059243-03-000101.hdr.sgml : 20030923
<ACCEPTANCE-DATETIME>20030923154026
ACCESSION NUMBER:		0001059243-03-000101
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030922
FILED AS OF DATE:		20030923

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			CONNOLLY ROBERT
		CENTRAL INDEX KEY:			0001210400

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-15305
		FILM NUMBER:		03906085

	BUSINESS ADDRESS:	
		STREET 1:		C/O BLACKROCK FINANCIAL MANAGEMENT INC
		STREET 2:		40 EAST 52ND STREET
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022

	MAIL ADDRESS:	
		STREET 1:		C/O BLACKROCK FINANCIAL MANAGEMENT INC.
		STREET 2:		40 EAST 52ND STREET
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BLACKROCK INC /NY
		CENTRAL INDEX KEY:			0001060021
		STANDARD INDUSTRIAL CLASSIFICATION:	INVESTMENT ADVICE [6282]
		IRS NUMBER:				510380803
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		40 EAST 52ND STREET
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
		BUSINESS PHONE:		2127545560

	MAIL ADDRESS:	
		STREET 1:		40 EAST 52ND STREET
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>
    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType><periodOfReport>2003-09-22</periodOfReport>
    <issuer>
        <issuerCik>0001060021</issuerCik>
        <issuerName>BLACKROCK INC /NY</issuerName>
        <issuerTradingSymbol>BLK</issuerTradingSymbol></issuer><reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001210400</rptOwnerCik>
            <rptOwnerName>CONNOLLY ROBERT</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O BLACKROCK FINANCIAL MANAGEMENT, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>40 EAST 52ND STREET</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
<isDirector>0</isDirector><isOfficer>1</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther><officerTitle>General Counsel</officerTitle></reportingOwnerRelationship></reportingOwner><derivativeTable><derivativeTransaction><securityTitle><value>Class B Common Stock</value><footnoteId id="F1"/></securityTitle><conversionOrExercisePrice><footnoteId id="F2"/></conversionOrExercisePrice><transactionDate><value>2003-09-22</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>F</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>3124</value></transactionShares><transactionPricePerShare><value>48.40</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>D</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><value>2003-09-15</value></exerciseDate><expirationDate><footnoteId id="F3"/></expirationDate><underlyingSecurity><underlyingSecur
ityTitle><value>Class A Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>3124</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>15852.0775</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value/></natureOfOwnership></ownershipNature></derivativeTransaction></derivativeTable><footnotes><footnote id="F1">Represents the withholding by BlackRock of 3,124 shares of Class B Common Stock to satisfy tax obligations on the vesting of 9,487.72 of the reporting person's shares of Class B Common Stock.</footnote><footnote id="F2">One share of Class B Common Stock is convertible into one share of Class A Common Stock of BlackRock, Inc.</footnote><footnote id="F3">No expiration date.</footnote></footnotes><remarks/><ownerSignature><signatureName>Robert Connolly</signatureName><signatureDate>2003-09-22<
/signatureDate></ownerSignature></ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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