-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 QXfD6Dd2fod709i3d0EZ6Q==

<SEC-DOCUMENT>0001209191-04-004711.txt : 20040126
<SEC-HEADER>0001209191-04-004711.hdr.sgml : 20040126
<ACCEPTANCE-DATETIME>20040126205019
ACCESSION NUMBER:		0001209191-04-004711
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20040105
FILED AS OF DATE:		20040126

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ONEX PARTNERS LP
		CENTRAL INDEX KEY:			0001274486
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-06639
		FILM NUMBER:		04544543

	MAIL ADDRESS:	
		STREET 1:		712 FIFTH AVENUE
		STREET 2:		40TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ONEX CORP
		CENTRAL INDEX KEY:			0000937226
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-06639
		FILM NUMBER:		04544541

	BUSINESS ADDRESS:	
		STREET 1:		161 BAY STREET
		STREET 2:		P O BOX 700
		CITY:			TORONTO ONTARIO CANA
		STATE:			A6

	MAIL ADDRESS:	
		STREET 1:		161 BAY STREET
		STREET 2:		P O BOX 700
		CITY:			TORONTO ONTARIO CANA
		STATE:			A6

	FORMER NAME:	
		FORMER CONFORMED NAME:	ONEX CORP ET AL
		DATE OF NAME CHANGE:	19950209

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MAGELLAN HOLDINGS LP
		CENTRAL INDEX KEY:			0001275538
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-06639
		FILM NUMBER:		04544544

	BUSINESS ADDRESS:	
		STREET 1:		C/O ONEX CORP
		STREET 2:		712 FIFTH AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019
		BUSINESS PHONE:		2125822211

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SCHWARTZ GERALD W
		CENTRAL INDEX KEY:			0001275599

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-06639
		FILM NUMBER:		04544542

	BUSINESS ADDRESS:	
		STREET 1:		C/O ONEX CORP
		STREET 2:		181 BAY ST 49TH FLOOR P O BOX 700
		CITY:			TORONTO ONTARIO
		STATE:			A6
		ZIP:			M5J281
		BUSINESS PHONE:		4163627711

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MAGELLAN HEALTH SERVICES INC
		CENTRAL INDEX KEY:			0000019411
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-HOSPITALS [8060]
		IRS NUMBER:				581076937
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		6950 COLUMBIA GATEWAY
		STREET 2:		STE 400
		CITY:			COLUMBIA
		STATE:			MD
		ZIP:			21046
		BUSINESS PHONE:		4109531000

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CHARTER MEDICAL CORP
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>bny93434_ks1.xml
<DESCRIPTION>MAIN DOCUMENT DESCRIPTION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0201</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2004-01-05</periodOfReport>

    <dateOfOriginalSubmission>2004-01-07</dateOfOriginalSubmission>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000019411</issuerCik>
        <issuerName>MAGELLAN HEALTH SERVICES INC</issuerName>
        <issuerTradingSymbol>MGLN</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001275538</rptOwnerCik>
            <rptOwnerName>MAGELLAN HOLDINGS LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ONEX INVESTMENT CORP.</rptOwnerStreet1>
            <rptOwnerStreet2>712 FIFTH AVENUE</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10019</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001274486</rptOwnerCik>
            <rptOwnerName>ONEX PARTNERS LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ONEX INVESTMENT CORP.</rptOwnerStreet1>
            <rptOwnerStreet2>712 FIFTH AVENUE</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10019</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000937226</rptOwnerCik>
            <rptOwnerName>ONEX CORP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>161 BAY STREET, 49TH FLOOR, P.O. BOX 700</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>TORONTO, ONTARIO CANADA</rptOwnerCity>
            <rptOwnerState></rptOwnerState>
            <rptOwnerZipCode>M5J2S1</rptOwnerZipCode>
            <rptOwnerStateDescription>ONTARIO, CANADA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001275599</rptOwnerCik>
            <rptOwnerName>SCHWARTZ GERALD W</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ONEX CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>161 BAY STREET, 49TH FLOOR, P.O. BOX 700</rptOwnerStreet2>
            <rptOwnerCity>TORONTO, ONTARIO CANADA</rptOwnerCity>
            <rptOwnerState></rptOwnerState>
            <rptOwnerZipCode>M5J2S1</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Multiple and Variable Vote Restricted Conv. Common Stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0</value>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2004-01-05</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>82854</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>12.07</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2004-01-05</value>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F2"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Ordinary Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>82854</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>8332726</value>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Multiple and Variable Vote Restricted Conv. Common Stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0</value>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2004-01-05</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>82854</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>12.07</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2004-01-05</value>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F2"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Ordinary Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>82854</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>8332726</value>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Magellan Holdings LP</value>
                    <footnoteId id="F4"/>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Multiple and Variable Vote Restricted Conv. Common Stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0</value>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2004-01-05</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>82854</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>12.07</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2004-01-05</value>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F2"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Ordinary Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>82854</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>8332726</value>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Magellan Holdings LP</value>
                    <footnoteId id="F5"/>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Multiple and Variable Vote Restricted Conv. Common Stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0</value>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2004-01-05</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>82854</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>12.07</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2004-01-05</value>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F2"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Ordinary Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>82854</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>8332726</value>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Magellan Holdings LP</value>
                    <footnoteId id="F6"/>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Convertible on a share-for-share basis.</footnote>
        <footnote id="F2">No expiration.</footnote>
        <footnote id="F3">Pursuant to Item 4(b)(iv) of the Instructions to Form 4, all of the shares beneficially owned by Magellan Holdings LP (&quot;Holdings&quot;) are reported as beneficially owned by each of Onex Corporation (&quot;Onex&quot;), Onex Partners LP (&quot;Onex Partners&quot;) and Gerald W. Schwartz, notwithstanding the fact that each of Onex, Onex Partners and Mr. Schwartz has a pecuniary interest in less than 100% of the shares beneficially owned by Holdings; by doing so, none of Onex, Onex Partners or Mr. Schwartz concedes that it has a pecuniary interest in 100% of those shares.</footnote>
        <footnote id="F4">Onex Partners is the general partner of Holdings.</footnote>
        <footnote id="F5">Onex is an indirect investor in Holdings and indirectly owns the general partner of Onex Partners, the general partner of Holdings.</footnote>
        <footnote id="F6">Gerald W. Schwartz is the indirect holder of all the issued and outstanding Multiple Voting shares of Onex, which are entitled to elect sixty percent (60%) of the members of Onex's Board of Directors and carry such number of votes in the aggregate as represents 60% of the aggregate votes attached to all voting shares of Onex.  The indirect interest of Onex is described in footnote (5).  Mr. Schwartz disclaims beneficial ownership of the shares reported hereunder.</footnote>
    </footnotes>

    <remarks>Power of Attorney incorporated by reference to the Amendment to Form 4 to Dura Automotive Systems, Inc. filed with the Securities and Exchange Commission by Gerald W. Schwartz on September 10, 1996. This Amendment is filed to correct dates and numbers of shares underlying derivative securities.</remarks>

    <ownerSignature>
        <signatureName>/s/ Robert Le Blanc, Vice President of Onex Partners GP Inc., the general partner of Onex Partners GP LP, the general partner of Onex Partners LP, the general Partner of Magellan Holdings, LP</signatureName>
        <signatureDate>2004-01-22</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Robert Le Blanc, Vice President of Onex Partners GP Inc., the general partner of Onex Partners GP LP, the general partner of Onex Partners LP</signatureName>
        <signatureDate>2004-01-22</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Donald Lewtas, Authorized Signatory</signatureName>
        <signatureDate>2004-01-22</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Donald Lewtas, attorney-in-fact for Gerald W. Schwartz</signatureName>
        <signatureDate>2004-01-22</signatureDate>
    </ownerSignature>
</ownershipDocument>

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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----