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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 NOjbirP/VljLKk1ZVXiYF7/vg4odhAsOWvqDf3EhtwHYRGUluQX/ROVLvvlH4b2W
 9p1NQvioRo7s59kp7bsH+A==

<SEC-DOCUMENT>0001179110-03-002946.txt : 20030702
<SEC-HEADER>0001179110-03-002946.hdr.sgml : 20030702
<ACCEPTANCE-DATETIME>20030702155026
ACCESSION NUMBER:		0001179110-03-002946
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 JOERG C
		CENTRAL INDEX KEY:			0001133646

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-30833
		FILM NUMBER:		03771956

	BUSINESS ADDRESS:	
		STREET 1:		C/O BRUKER DALTONICS
		CITY:			BILLERICA
		STATE:			MA
		ZIP:			01821

	MAIL ADDRESS:	
		STREET 1:		C/O BRUKER DALTONICS
		CITY:			BILLERICA
		STATE:			MA
		ZIP:			01821
</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>0001133646</rptOwnerCik>
            <rptOwnerName>LAUKIEN JOERG C</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>3662111</value>
</transactionShares>
<transactionValue><value>0</value>
<footnoteId id="F1"></footnoteId>
</transactionValue>
<transactionAcquiredDisposedCode><value>A</value>
</transactionAcquiredDisposedCode>
</transactionAmounts>
<postTransactionAmounts><sharesOwnedFollowingTransaction><value>12262111</value>
</sharesOwnedFollowingTransaction>
</postTransactionAmounts>
<ownershipNature><directOrIndirectOwnership><value>D</value>
</directOrIndirectOwnership>
<natureOfOwnership><value></value>
</natureOfOwnership>
</ownershipNature>
</nonDerivativeSecurity>
<footnotes><footnote id="F1">Acquired, along with approximately $5,393,070 in cash, in exchange for 7,750,500 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 per share.</footnote>
</footnotes>
<ownerSignature><signatureName>Joerg C. Laukien</signatureName>
<signatureDate>2003-07-02</signatureDate>
</ownerSignature>
</ownershipDocument>

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