<SEC-DOCUMENT>0000899243-17-019975.txt : 20170809
<SEC-HEADER>0000899243-17-019975.hdr.sgml : 20170809
<ACCEPTANCE-DATETIME>20170809183211
ACCESSION NUMBER:		0000899243-17-019975
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20170808
FILED AS OF DATE:		20170809
DATE AS OF CHANGE:		20170809

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			DEB DIPANJAN
		CENTRAL INDEX KEY:			0001217210

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-37961
		FILM NUMBER:		171019273

	MAIL ADDRESS:	
		STREET 1:		100 SCHULZ DRIVE
		CITY:			RED BANK
		STATE:			NJ
		ZIP:			07701

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ICHOR HOLDINGS, LTD.
		CENTRAL INDEX KEY:			0001652535
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			E9
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		3185 LAURELVIEW CT.
		CITY:			FREMONT
		STATE:			CA
		ZIP:			94538
		BUSINESS PHONE:		510-897-5200

	MAIL ADDRESS:	
		STREET 1:		3185 LAURELVIEW CT.
		CITY:			FREMONT
		STATE:			CA
		ZIP:			94538
</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>2017-08-08</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001652535</issuerCik>
        <issuerName>ICHOR HOLDINGS, LTD.</issuerName>
        <issuerTradingSymbol>ICHR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001217210</rptOwnerCik>
            <rptOwnerName>DEB DIPANJAN</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>ONE LETTERMAN DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2>BUILDING C, SUITE 410</rptOwnerStreet2>
            <rptOwnerCity>SAN FRANCISCO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94129</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Ordinary Shares, par value $0.0001</value>
            </securityTitle>
            <transactionDate>
                <value>2017-08-08</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>5423692</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>18.50</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>6620334</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnote</value>
                    <footnoteId id="F3"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Includes (a) 4,824,574 ordinary shares that were directly held by Francisco Partners III (Cayman), L.P. (&quot;FP III Cayman&quot;), (b) 55,716 ordinary shares that were directly held by Francisco Partners Parallel Fund III (Cayman), L.P. (&quot;FPPF III Cayman&quot;) and (c) 543,402 ordinary shares that were directly held by Ichor Investment Holdings, LLC (&quot;IIH LLC&quot;).</footnote>
        <footnote id="F2">Represents the offering price to the public in the secondary offering of $19.32 per ordinary share, net of underwriters' discount of $0.82 per ordinary share.</footnote>
        <footnote id="F3">Francisco Partners GP III (Cayman), L.P. (&quot;FP GP Cayman III&quot;) is the general partner of each of FP III Cayman and FPPF III Cayman and the manager of IIH LLC. Francisco Partners GP III Management (Cayman), Limited (&quot;FP GP III Management&quot;) is the general partner of FP GP Cayman III. In those capacities, FP GP III and FP GP III Management may be deemed to share voting and dispositive power with respect to the shares owned by FP III Cayman, FPPF III Cayman and IIH LLC. FP GP III and FP GP III Management may be deemed to share voting and dispositive power with respect to the shares owned by FP III Cayman, FPPF III Cayman and IIH LLC. The Reporting Person is a member of an investment committee of FP GP III Management and may be deemed to beneficially own such shares. The Reporting Person disclaims beneficial ownership of any shares, except to the extent of his pecuniary interest</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Robert M. Hayward by Power of Attorney</signatureName>
        <signatureDate>2017-08-09</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
