-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 RYh/9bYgBY+d9leJLUcdzSJhznsNh4vbziP0zgcxtOPyDiVYslMff5rGE6jHPXGI
 8sN5imibXCEp5zGQxteoEA==

<SEC-DOCUMENT>0001209191-04-011126.txt : 20040218
<SEC-HEADER>0001209191-04-011126.hdr.sgml : 20040218
<ACCEPTANCE-DATETIME>20040218164130
ACCESSION NUMBER:		0001209191-04-011126
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20040216
FILED AS OF DATE:		20040218

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			OM GROUP INC
		CENTRAL INDEX KEY:			0000899723
		STANDARD INDUSTRIAL CLASSIFICATION:	SECONDARY SMELTING & REFINING OF NONFERROUS METALS [3341]
		IRS NUMBER:				521736882
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		50 PUBLIC SQ
		STREET 2:		STE 3500
		CITY:			CLEVELAND
		STATE:			OH
		ZIP:			44113
		BUSINESS PHONE:		2167810083

	MAIL ADDRESS:	
		STREET 1:		50 PUBLIC SQ
		STREET 2:		STE 3500
		CITY:			CLEVELAND
		STATE:			OH
		ZIP:			44113

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SCHNEEBERGER R LOUIS
		CENTRAL INDEX KEY:			0001211006

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12515
		FILM NUMBER:		04613638

	BUSINESS ADDRESS:	
		STREET 1:		7005 COCHRAN ROAD
		CITY:			GLENWILLOW
		STATE:			OH
		ZIP:			44139
		BUSINESS PHONE:		4409962000

	MAIL ADDRESS:	
		STREET 1:		7005 COCHRAN ROAD
		CITY:			GLENWILLOW
		STATE:			OH
		ZIP:			44139
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>bcl05892_bcl1rls.xml
<DESCRIPTION>MAIN DOCUMENT DESCRIPTION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0201</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2004-02-16</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000899723</issuerCik>
        <issuerName>OM GROUP INC</issuerName>
        <issuerTradingSymbol>OMG</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001211006</rptOwnerCik>
            <rptOwnerName>SCHNEEBERGER R LOUIS</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1500 KEY TOWER</rptOwnerStreet1>
            <rptOwnerStreet2>127 PUBLIC SQUARE</rptOwnerStreet2>
            <rptOwnerCity>CLEVELAND</rptOwnerCity>
            <rptOwnerState>OH</rptOwnerState>
            <rptOwnerZipCode>44114</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Vice President Finance</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Stock Option</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>31.07</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2005-02-16</value>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2014-02-16</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Stock Option</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>15000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The options vest in 3 equal installments of 5000 on February 16 of each of the three years 2005, 2006 and 2007</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Michael J. Scott, Attorney-in-Fact</signatureName>
        <signatureDate>2004-02-18</signatureDate>
    </ownerSignature>
</ownershipDocument>

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