<SEC-DOCUMENT>0000899243-22-034572.txt : 20221031
<SEC-HEADER>0000899243-22-034572.hdr.sgml : 20221031
<ACCEPTANCE-DATETIME>20221031180208
ACCESSION NUMBER:		0000899243-22-034572
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20221027
FILED AS OF DATE:		20221031
DATE AS OF CHANGE:		20221031

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			WEST STEVEN M
		CENTRAL INDEX KEY:			0001198055

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-41468
		FILM NUMBER:		221347739

	MAIL ADDRESS:	
		STREET 1:		3033 BETA AVENUE
		CITY:			BURNABY
		STATE:			A1
		ZIP:			V5G 4M9

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			D-Wave Quantum Inc.
		CENTRAL INDEX KEY:			0001907982
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER PROCESSING & DATA PREPARATION [7374]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		3033 BETA AVENUE
		CITY:			BURNABY
		STATE:			A1
		ZIP:			V5G4M9
		BUSINESS PHONE:		(604) 630-1428

	MAIL ADDRESS:	
		STREET 1:		3033 BETA AVENUE
		CITY:			BURNABY
		STATE:			A1
		ZIP:			V5G4M9
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2022-10-27</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001907982</issuerCik>
        <issuerName>D-Wave Quantum Inc.</issuerName>
        <issuerTradingSymbol>QBTS</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001198055</rptOwnerCik>
            <rptOwnerName>WEST STEVEN M</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>3033 BETA AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BURNABY</rptOwnerCity>
            <rptOwnerState>A1</rptOwnerState>
            <rptOwnerZipCode>V5G4M9</rptOwnerZipCode>
            <rptOwnerStateDescription>BRITISH COLUMBIA, CANADA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, par value $0.0001 per share (&quot;Common Stock&quot;)</value>
            </securityTitle>
            <transactionDate>
                <value>2022-10-27</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>29021</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>29021</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>24659</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Represents 29,021 restricted stock units, each restricted stock unit representing the right to receive one share of Common Stock of the Issuer, that will vest as of the date of the Issuer's first annual meeting of stockholders in 2023, subject to the reporting person's continued service to the Issuer.</footnote>
        <footnote id="F2">Consists of shares of Common Stock held by Emerging Company Partners, an entity controlled by Steven M. West.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ John M Markovich as Attorney-in-Fact, for Steven M. West</signatureName>
        <signatureDate>2022-10-31</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
