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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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<SEC-DOCUMENT>0001179110-03-002921.txt : 20030702
<SEC-HEADER>0001179110-03-002921.hdr.sgml : 20030702
<ACCEPTANCE-DATETIME>20030702150120
ACCESSION NUMBER:		0001179110-03-002921
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030701
FILED AS OF DATE:		20030702

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BRUKER DALTONICS INC
		CENTRAL INDEX KEY:			0001109354
		STANDARD INDUSTRIAL CLASSIFICATION:	LABORATORY ANALYTICAL INSTRUMENTS [3826]
		IRS NUMBER:				043110160
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		44 MANNING RD
		CITY:			BILLERICA
		STATE:			MA
		ZIP:			01821

	MAIL ADDRESS:	
		STREET 1:		44 MANNING RD
		CITY:			BILLERICA
		STATE:			MA
		ZIP:			01821

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			LAUKIEN DIRK D
		CENTRAL INDEX KEY:			0001133648

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-30833
		FILM NUMBER:		03771467

	BUSINESS ADDRESS:	
		STREET 1:		2634 CRESCENT RIDGE DRIVE
		CITY:			THE WOODLANDS
		STATE:			TX
		ZIP:			77381

	MAIL ADDRESS:	
		STREET 1:		2634 CRESCENT RIDGE DRIVE
		CITY:			THE WOODLANDS
		STATE:			TX
		ZIP:			77381
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>FORM 4 -
<TEXT>
<XML>
<ownershipDocument>
    <schemaVersion>X0101</schemaVersion>

    <documentType>4</documentType>
<periodOfReport>2003-07-01</periodOfReport>
<notSubjectToSection16>0</notSubjectToSection16>
    <issuer>
        <issuerCik>0001109354</issuerCik>
        <issuerName>BRUKER DALTONICS INC</issuerName>
        <issuerTradingSymbol>BRKR</issuerTradingSymbol>
</issuer>
<reportingOwner><reportingOwnerId>
            <rptOwnerCik>0001133648</rptOwnerCik>
            <rptOwnerName>LAUKIEN DIRK D</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>  </rptOwnerStreet1>
            <rptOwnerStreet2>  </rptOwnerStreet2>
            <rptOwnerCity>  </rptOwnerCity>
            <rptOwnerState>  </rptOwnerState>
            <rptOwnerZipCode>  </rptOwnerZipCode>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
<isDirector>0</isDirector>
<isOfficer>0</isOfficer>
<isTenPercentOwner>1</isTenPercentOwner>
<isOther>0</isOther>
<officerTitle></officerTitle>
<otherText></otherText>
</reportingOwnerRelationship>
</reportingOwner>
<nonDerivativeSecurity><securityTitle><value>Common Stock</value>
</securityTitle>
<transactionDate><value>2003-07-01</value>
</transactionDate>
<transactionCoding><transactionFormType>4</transactionFormType>
<transactionCode>P</transactionCode>
<equitySwapInvolved>0</equitySwapInvolved>
</transactionCoding>
<transactionAmounts><transactionShares><value>4817610</value>
</transactionShares>
<transactionValue><value>0</value>
<footnoteId id="F1"></footnoteId>
</transactionValue>
<transactionAcquiredDisposedCode><value>A</value>
</transactionAcquiredDisposedCode>
</transactionAmounts>
<postTransactionAmounts><sharesOwnedFollowingTransaction><value>13347610</value>
</sharesOwnedFollowingTransaction>
</postTransactionAmounts>
<ownershipNature><directOrIndirectOwnership><value>D</value>
</directOrIndirectOwnership>
<natureOfOwnership><value></value>
</natureOfOwnership>
</ownershipNature>
</nonDerivativeSecurity>
<nonDerivativeSecurity><securityTitle><value>Common Stock</value>
</securityTitle>
<transactionDate><value>2003-07-01</value>
</transactionDate>
<transactionCoding><transactionFormType>4</transactionFormType>
<transactionCode>P</transactionCode>
<equitySwapInvolved>0</equitySwapInvolved>
</transactionCoding>
<transactionAmounts><transactionShares><value>6300</value>
</transactionShares>
<transactionValue><value>0</value>
<footnoteId id="F2"></footnoteId>
</transactionValue>
<transactionAcquiredDisposedCode><value>A</value>
</transactionAcquiredDisposedCode>
</transactionAmounts>
<postTransactionAmounts><sharesOwnedFollowingTransaction><value>36300</value>
</sharesOwnedFollowingTransaction>
</postTransactionAmounts>
<ownershipNature><directOrIndirectOwnership><value>I</value>
</directOrIndirectOwnership>
<natureOfOwnership><value>By Dirk D. Laukien Trust for Leah Laukien, dated June 1, 2000</value>
</natureOfOwnership>
</ownershipNature>
</nonDerivativeSecurity>
<footnotes><footnote id="F1">Acquired in exchange for 7,647,000 shares of Bruker AXS Inc. common stock in connection with the merger of Bruker AXS Inc. into Bruker Daltonics Inc., now known as Bruker BioSciences Corporation (the "Merger").  On the effective date of the Merger, the closing price of Bruker Daltonics Inc. common stock was $5.50 per share, and the closing price of Bruker AXS Inc. common stock was $3.38.</footnote>
<footnote id="F2">Disposed of in exchange for 10,000 shares of Bruker AXS Inc. common stock in connection with the Merger.  On the effective date of the Merger, the closing price of Bruker Daltonics Inc. common stock was $5.50 per share, and the closing price of Bruker AXS Inc. common stock was $3.38. </footnote>
</footnotes>
<ownerSignature><signatureName>Dirk D. Laukien</signatureName>
<signatureDate>2003-07-02</signatureDate>
</ownerSignature>
</ownershipDocument>

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</TEXT>
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