-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 Tp5y/TsRHFmcIRW4wJbIIq9iFKsP8VaCuibsC8swjK+mhmi5+jnn2UYQLZwExGzQ
 XteP2FKGBCZRGhA5/znoJA==

<SEC-DOCUMENT>0001179110-03-003074.txt : 20030703
<SEC-HEADER>0001179110-03-003074.hdr.sgml : 20030703
<ACCEPTANCE-DATETIME>20030702205838
ACCESSION NUMBER:		0001179110-03-003074
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:			CROUCH TAYLOR
		CENTRAL INDEX KEY:			0001197086

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-30833
		FILM NUMBER:		03773565

	MAIL ADDRESS:	
		STREET 1:		9640 TOWNE CENTRE DR
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92121

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>0001197086</rptOwnerCik>
            <rptOwnerName>CROUCH TAYLOR</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>7.14</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>7.14</value>
<footnoteId id="F1"></footnoteId>
</transactionValue>
<transactionAcquiredDisposedCode><value>A</value>
</transactionAcquiredDisposedCode>
</transactionAmounts>
<exerciseDate><value>2001-11-10</value>
<footnoteId id="F1"></footnoteId>
</exerciseDate>
<expirationDate><value>2010-11-10</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>
<derivativeSecurity><securityTitle><value>Stock Option (right to buy)</value>
</securityTitle>
<conversionOrExercisePrice><value>11.11</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>11.11</value>
<footnoteId id="F2"></footnoteId>
</transactionValue>
<transactionAcquiredDisposedCode><value>A</value>
</transactionAcquiredDisposedCode>
</transactionAmounts>
<exerciseDate><value>2002-11-01</value>
<footnoteId id="F2"></footnoteId>
</exerciseDate>
<expirationDate><value>2011-11-01</value>
</expirationDate>
<underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value>
</underlyingSecurityTitle>
<underlyingSecurityShares><value>1575</value>
</underlyingSecurityShares>
</underlyingSecurity>
<postTransactionAmounts><sharesOwnedFollowingTransaction><value>1575</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>3.65</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>3.65</value>
<footnoteId id="F3"></footnoteId>
</transactionValue>
<transactionAcquiredDisposedCode><value>A</value>
</transactionAcquiredDisposedCode>
</transactionAmounts>
<exerciseDate><value>2003-11-10</value>
<footnoteId id="F3"></footnoteId>
</exerciseDate>
<expirationDate><value>2012-11-10</value>
</expirationDate>
<underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value>
</underlyingSecurityTitle>
<underlyingSecurityShares><value>1575</value>
</underlyingSecurityShares>
</underlyingSecurity>
<postTransactionAmounts><sharesOwnedFollowingTransaction><value>1575</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 20,000 shares of Bruker AXS Inc. common stock was converted into an option to receive 12,600 shares of Bruker BioSciences Corporation common stock with the same vesting schedule at a purchase price of $7.14 per share.</footnote>
<footnote id="F2">In connection with the Merger, filer's option to receive 2,500 shares of Bruker AXS Inc. common stock was converted into an option to receive 1,575 shares of Bruker BioSciences Corporation common stock with the same vesting schedule at a purchase price of $11.11 per share.</footnote>
<footnote id="F3">In connection with the Merger, filer's option to receive 2,500 shares of Bruker AXS Inc. common stock was converted into an option to receive 1,575 shares of Bruker BioSciences Corporation common stock with the same vesting schedule at a purchase price of $3.65 per share.</footnote>
</footnotes>
<ownerSignature><signatureName>Taylor J. Crouch</signatureName>
<signatureDate>2003-07-02</signatureDate>
</ownerSignature>
</ownershipDocument>

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