-----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,
 MsjlKvKoT/IGkz2vsQghIHqrPyfcslhaIkkZPiBL/8lIJmkZAtCnMy4n2tZCiHsv
 J3DWRblqrTaIuWWQ66a+Cw==

<SEC-DOCUMENT>0000899140-06-001047.txt : 20060713
<SEC-HEADER>0000899140-06-001047.hdr.sgml : 20060713
<ACCEPTANCE-DATETIME>20060713204618
ACCESSION NUMBER:		0000899140-06-001047
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20060711
FILED AS OF DATE:		20060713
DATE AS OF CHANGE:		20060713

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Carmilani Scott A
		CENTRAL INDEX KEY:			0001368443

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32938
		FILM NUMBER:		06961516

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		441-278-5400

	MAIL ADDRESS:	
		STREET 1:		ALLIED WORLD ASSURANCE CO HOLDINGS, LTD
		STREET 2:		43 VICTORIA STREET
		CITY:			HAMILTON
		STATE:			D0
		ZIP:			HM 12

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ALLIED WORLD ASSURANCE CO HOLDINGS LTD
		CENTRAL INDEX KEY:			0001163348
		STANDARD INDUSTRIAL CLASSIFICATION:	FIRE, MARINE & CASUALTY INSURANCE [6331]
		IRS NUMBER:				000000000

	BUSINESS ADDRESS:	
		STREET 1:		43 VICTORIA STREET
		CITY:			HAMILTON
		STATE:			D0
		ZIP:			HM 12
		BUSINESS PHONE:		441-278-5400

	MAIL ADDRESS:	
		STREET 1:		43 VICTORIA STREET
		CITY:			HAMILTON
		STATE:			D0
		ZIP:			HM 12

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ALLIED WORLD ASSURANCE HOLDINGS LTD
		DATE OF NAME CHANGE:	20011207
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>carmilani_awh4-071306ex.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2006-07-11</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001163348</issuerCik>
        <issuerName>ALLIED WORLD ASSURANCE CO HOLDINGS LTD</issuerName>
        <issuerTradingSymbol>AWH</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001368443</rptOwnerCik>
            <rptOwnerName>Carmilani Scott A</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>ALLIED WORLD ASSURANCE CO HOLDINGS, LTD</rptOwnerStreet1>
            <rptOwnerStreet2>43 VICTORIA STREET</rptOwnerStreet2>
            <rptOwnerCity>HAMILTON, BERMUDA , HM 12</rptOwnerCity>
            <rptOwnerState></rptOwnerState>
            <rptOwnerZipCode></rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>President and CEO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Shares</value>
            </securityTitle>
            <transactionDate>
                <value>2006-07-11</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>6000</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>34.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>81000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Represents common shares purchased pursuant to the Issuer's directed share program.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Wesley D. Dupont, by Power of Attorney</signatureName>
        <signatureDate>2006-07-13</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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