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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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 hLJP58OAP/EgoHBfzBJwJw==

<SEC-DOCUMENT>0001179110-03-002917.txt : 20030702
<SEC-HEADER>0001179110-03-002917.hdr.sgml : 20030702
<ACCEPTANCE-DATETIME>20030702144403
ACCESSION NUMBER:		0001179110-03-002917
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:			FRANCIS LAURA
		CENTRAL INDEX KEY:			0001218802

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-30833
		FILM NUMBER:		03771278

	BUSINESS ADDRESS:	
		STREET 1:		5465 E CHERYL PKWY
		CITY:			MADISON
		STATE:			WI
		ZIP:			53719
		BUSINESS PHONE:		6082763045

	MAIL ADDRESS:	
		STREET 1:		5465 E CHERYL PKWY
		CITY:			MADISON
		STATE:			WI
		ZIP:			53719
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>FORM 4 -2003-07-01
<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>0001218802</rptOwnerCik>
            <rptOwnerName>FRANCIS LAURA</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>Chief Financial Officer</officerTitle>
<otherText></otherText>
</reportingOwnerRelationship>
</reportingOwner>
<derivativeSecurity><securityTitle><value>Stock Option (right to buy)</value>
</securityTitle>
<conversionOrExercisePrice><value>6.68</value>
</conversionOrExercisePrice>
<transactionDate><value>2003-07-01</value>
</transactionDate>
<transactionCoding><transactionFormType>4</transactionFormType>
<transactionCode>A</transactionCode>
<equitySwapInvolved>0</equitySwapInvolved>
</transactionCoding>
<transactionAmounts><transactionShares><value>50400</value>
</transactionShares>
<transactionValue><value>6.68</value>
<footnoteId id="F1"></footnoteId>
</transactionValue>
<transactionAcquiredDisposedCode><value>A</value>
</transactionAcquiredDisposedCode>
</transactionAmounts>
<exerciseDate><value>2003-03-27</value>
<footnoteId id="F1"></footnoteId>
</exerciseDate>
<expirationDate><value>2012-03-27</value>
</expirationDate>
<underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value>
</underlyingSecurityTitle>
<underlyingSecurityShares><value>50400</value>
</underlyingSecurityShares>
</underlyingSecurity>
<postTransactionAmounts><sharesOwnedFollowingTransaction><value>50400</value>
</sharesOwnedFollowingTransaction>
</postTransactionAmounts>
<ownershipNature><directOrIndirectOwnership><value>D</value>
</directOrIndirectOwnership>
<natureOfOwnership><value></value>
</natureOfOwnership>
</ownershipNature>
</derivativeSecurity>
<derivativeSecurity><securityTitle><value>Stock Option (right to buy)</value>
</securityTitle>
<conversionOrExercisePrice><value>3.06</value>
</conversionOrExercisePrice>
<transactionDate><value>2003-07-01</value>
</transactionDate>
<transactionCoding><transactionFormType>4</transactionFormType>
<transactionCode>A</transactionCode>
<equitySwapInvolved>0</equitySwapInvolved>
</transactionCoding>
<transactionAmounts><transactionShares><value>12600</value>
</transactionShares>
<transactionValue><value>3.06</value>
<footnoteId id="F2"></footnoteId>
</transactionValue>
<transactionAcquiredDisposedCode><value>A</value>
</transactionAcquiredDisposedCode>
</transactionAmounts>
<exerciseDate><value>2004-01-01</value>
<footnoteId id="F2"></footnoteId>
</exerciseDate>
<expirationDate><value>2013-01-01</value>
</expirationDate>
<underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value>
</underlyingSecurityTitle>
<underlyingSecurityShares><value>12600</value>
</underlyingSecurityShares>
</underlyingSecurity>
<postTransactionAmounts><sharesOwnedFollowingTransaction><value>12600</value>
</sharesOwnedFollowingTransaction>
</postTransactionAmounts>
<ownershipNature><directOrIndirectOwnership><value>D</value>
</directOrIndirectOwnership>
<natureOfOwnership><value></value>
</natureOfOwnership>
</ownershipNature>
</derivativeSecurity>
<footnotes><footnote id="F1">In connection with the merger of Bruker AXS Inc. into Bruker Daltonics Inc., now known as Bruker BioSciences Corporation (the "Merger"), filer's option to receive 80,000 shares of Bruker AXS Inc. common stock was converted into an option to purchase 50,400 shares of Bruker BioSciences Corporation common stock with the same vesting schedule at $6.68 per share.</footnote>
<footnote id="F2">In connection with the Merger, filer's option to receive 20,000 shares of Bruker AXS Inc. common stock was converted into an option to purchase 12,600 shares of Bruker BioSciences Corporation common stock with the same vesting schedule at $3.06 per share.</footnote>
</footnotes>
<ownerSignature><signatureName>Laura Francis</signatureName>
<signatureDate>2003-07-01</signatureDate>
</ownerSignature>
</ownershipDocument>

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