<SEC-DOCUMENT>0000950157-17-001371.txt : 20170928
<SEC-HEADER>0000950157-17-001371.hdr.sgml : 20170928
<ACCEPTANCE-DATETIME>20170928170823
ACCESSION NUMBER:		0000950157-17-001371
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20170928
FILED AS OF DATE:		20170928
DATE AS OF CHANGE:		20170928

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			WHITE MOUNTAINS INSURANCE GROUP LTD
		CENTRAL INDEX KEY:			0000776867
		STANDARD INDUSTRIAL CLASSIFICATION:	FIRE, MARINE & CASUALTY INSURANCE [6331]
		STATE OF INCORPORATION:			D0
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33128
		FILM NUMBER:		171108259

	BUSINESS ADDRESS:	
		STREET 1:		80 SOUTH MAIN ST
		CITY:			HANOVER
		STATE:			NH
		ZIP:			03755
		BUSINESS PHONE:		603 640 2200

	MAIL ADDRESS:	
		STREET 1:		80 SOUTH MAIN STREET
		CITY:			HANOVER
		STATE:			NH
		ZIP:			03755

	FORMER NAME:	
		FORMER CONFORMED NAME:	WHITE MOUNTAINS INSURANCE GROUP INC
		DATE OF NAME CHANGE:	19990603

	FORMER NAME:	
		FORMER CONFORMED NAME:	FUND AMERICAN ENTERPRISES HOLDINGS INC
		DATE OF NAME CHANGE:	19920703

	FORMER NAME:	
		FORMER CONFORMED NAME:	FUND AMERICAN COMPANIES INC
		DATE OF NAME CHANGE:	19920701

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			OneBeacon Insurance Group, Ltd.
		CENTRAL INDEX KEY:			0001369817
		STANDARD INDUSTRIAL CLASSIFICATION:	FIRE, MARINE & CASUALTY INSURANCE [6331]
		IRS NUMBER:				980503315
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		605 HIGHWAY 169 NORTH
		STREET 2:		SUITE 800
		CITY:			PLYMOUTH
		STATE:			MN
		ZIP:			55441
		BUSINESS PHONE:		9528520185

	MAIL ADDRESS:	
		STREET 1:		605 HIGHWAY 169 NORTH
		STREET 2:		SUITE 800
		CITY:			PLYMOUTH
		STATE:			MN
		ZIP:			55441

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	OneBeacon Holdings (Bermuda) Ltd.
		DATE OF NAME CHANGE:	20060721
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form4.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2017-09-28</periodOfReport>

    <notSubjectToSection16>true</notSubjectToSection16>

    <issuer>
        <issuerCik>0001369817</issuerCik>
        <issuerName>OneBeacon Insurance Group, Ltd.</issuerName>
        <issuerTradingSymbol>OB</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000776867</rptOwnerCik>
            <rptOwnerName>WHITE MOUNTAINS INSURANCE GROUP LTD</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O WHITE MOUNTAINS INSURANCE GROUP, LTD</rptOwnerStreet1>
            <rptOwnerStreet2>80 SOUTH MAIN STREET</rptOwnerStreet2>
            <rptOwnerCity>HANOVER</rptOwnerCity>
            <rptOwnerState>NH</rptOwnerState>
            <rptOwnerZipCode>03755</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isTenPercentOwner>true</isTenPercentOwner>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class B Common Shares</value>
            </securityTitle>
            <transactionDate>
                <value>2017-09-28</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>D</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>71754738</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>18.1</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By subsidiaries</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Disposition in connection with the merger between Intact Acquisition Co. Ltd. and OneBeacon Insurance Group, Ltd. (&quot;OneBeacon&quot;) in which each outstanding Class B common share of OneBeacon was converted into the right to receive an amount in cash equal to $18.10 per share.</footnote>
        <footnote id="F2">Shares owned by indirect wholly owned subsidiaries of White Mountains Insurance Group, Ltd.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ John G. Sinkus, Assistant Secretary of White Mountains Insurance Group, Ltd.</signatureName>
        <signatureDate>2017-09-28</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
