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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 UAKTpAtA7wj18bRGdsS7wehL0canvv0KZ1yg6MFQLPBBP5vL8aZcUvqTKTQdzwRL
 xtd2gAsKAbCMgv8P+nBosg==

<SEC-DOCUMENT>0001179110-03-003088.txt : 20030703
<SEC-HEADER>0001179110-03-003088.hdr.sgml : 20030703
<ACCEPTANCE-DATETIME>20030703102313
ACCESSION NUMBER:		0001179110-03-003088
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030701
FILED AS OF DATE:		20030703

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			DROSS DANIEL
		CENTRAL INDEX KEY:			0001218921

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-30833
		FILM NUMBER:		03773924

	MAIL ADDRESS:	
		STREET 1:		5465 E CHERYL PKWY
		CITY:			MADISON
		STATE:			WI
		ZIP:			53719

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
</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>0001218921</rptOwnerCik>
            <rptOwnerName>DROSS DANIEL</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>  </rptOwnerStreet1>
            <rptOwnerStreet2>  </rptOwnerStreet2>
            <rptOwnerCity>  </rptOwnerCity>
            <rptOwnerState>  </rptOwnerState>
            <rptOwnerZipCode>  </rptOwnerZipCode>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
<isDirector>1</isDirector>
<isOfficer>0</isOfficer>
<isTenPercentOwner>0</isTenPercentOwner>
<isOther>0</isOther>
<officerTitle></officerTitle>
<otherText></otherText>
</reportingOwnerRelationship>
</reportingOwner>
<derivativeSecurity><securityTitle><value>Stock Option (right to buy)</value>
</securityTitle>
<conversionOrExercisePrice><value>3.33</value>
</conversionOrExercisePrice>
<transactionDate><value>2003-07-01</value>
</transactionDate>
<transactionCoding><transactionFormType>4</transactionFormType>
<transactionCode>A</transactionCode>
<equitySwapInvolved>0</equitySwapInvolved>
</transactionCoding>
<transactionAmounts><transactionShares><value>1575</value>
</transactionShares>
<transactionValue><value>3.33</value>
<footnoteId id="F1"></footnoteId>
</transactionValue>
<transactionAcquiredDisposedCode><value>A</value>
</transactionAcquiredDisposedCode>
</transactionAmounts>
<exerciseDate><value>2003-05-07</value>
<footnoteId id="F1"></footnoteId>
</exerciseDate>
<expirationDate><value>2012-05-07</value>
</expirationDate>
<underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value>
</underlyingSecurityTitle>
<underlyingSecurityShares><value>1575</value>
</underlyingSecurityShares>
</underlyingSecurity>
<postTransactionAmounts><sharesOwnedFollowingTransaction><value>2500</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>3.59</value>
</conversionOrExercisePrice>
<transactionDate><value>2003-07-01</value>
</transactionDate>
<transactionCoding><transactionFormType>4</transactionFormType>
<transactionCode>A</transactionCode>
<equitySwapInvolved>0</equitySwapInvolved>
</transactionCoding>
<transactionAmounts><transactionShares><value>1575</value>
</transactionShares>
<transactionValue><value>3.59</value>
<footnoteId id="F2"></footnoteId>
</transactionValue>
<transactionAcquiredDisposedCode><value>A</value>
</transactionAcquiredDisposedCode>
</transactionAmounts>
<exerciseDate><value>2004-05-07</value>
<footnoteId id="F2"></footnoteId>
</exerciseDate>
<expirationDate><value>2013-05-07</value>
</expirationDate>
<underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value>
</underlyingSecurityTitle>
<underlyingSecurityShares><value>1575</value>
</underlyingSecurityShares>
</underlyingSecurity>
<postTransactionAmounts><sharesOwnedFollowingTransaction><value>2500</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 ask Bruker BioSciences Corporation (the "Merger"), filer's option to purchase 2,500 shares of Bruker AXS Inc. common stock was converted into an option to purchase 1,575 shares of Bruker BioSciences Corporation common stock with the same vesting schedule at 3.33 per share.</footnote>
<footnote id="F2">In connection with the Merger, filer's option to purchase 2,500 shares of Bruker AXS Inc. common stock was converted into an option to purchase 1,575 shares of Bruker BioSciences Corporation common stock with the same vesting schedule at 3.59 per share.</footnote>
</footnotes>
<ownerSignature><signatureName>Daniel S. Dross</signatureName>
<signatureDate>2003-07-03</signatureDate>
</ownerSignature>
</ownershipDocument>

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