<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2022-06-07</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001837240</issuerCik>
        <issuerName>Symbotic Inc.</issuerName>
        <issuerTradingSymbol>SYM</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001934312</rptOwnerCik>
            <rptOwnerName>SVF II SPAC Investment 3 (DE) LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>251 LITTLE FALLS DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>WILMINGTON</rptOwnerCity>
            <rptOwnerState>DE</rptOwnerState>
            <rptOwnerZipCode>19808</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001883559</rptOwnerCik>
            <rptOwnerName>SVF II Aggregator (Jersey) L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>CRESTBRIDGE LIMITED, 47 ESPLANADE,</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>ST. HELIER</rptOwnerCity>
            <rptOwnerState>Y9</rptOwnerState>
            <rptOwnerZipCode>JE1 0BD</rptOwnerZipCode>
            <rptOwnerStateDescription>JERSEY</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001787613</rptOwnerCik>
            <rptOwnerName>SOFTBANK VISION FUND II-2 L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>CRESTBRIDGE LIMITED, 47 ESPLANADE,</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>ST. HELIER</rptOwnerCity>
            <rptOwnerState>Y9</rptOwnerState>
            <rptOwnerZipCode>JE1 0BD</rptOwnerZipCode>
            <rptOwnerStateDescription>JERSEY</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001883884</rptOwnerCik>
            <rptOwnerName>SB Global Advisers Ltd</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>69 GROSVENOR STREET,</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>LONDON</rptOwnerCity>
            <rptOwnerState>X0</rptOwnerState>
            <rptOwnerZipCode>W1K 3JP</rptOwnerZipCode>
            <rptOwnerStateDescription>UNITED KINGDOM</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001883900</rptOwnerCik>
            <rptOwnerName>SVF II Holdings (DE) LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>251 LITTLE FALLS DRIVE,</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>WILMINGTON</rptOwnerCity>
            <rptOwnerState>DE</rptOwnerState>
            <rptOwnerZipCode>19808</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>20000000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By SVF II SPAC Investment 3 (DE) LLC</value>
                    <footnoteId id="F1"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">SoftBank Vision Fund II-2 L.P. is the sole limited partner of SVF II Aggregator (Jersey) L.P., which is the sole member of SVF II Holdings (DE) LLC, which is the sole member of SVF II SPAC Investment 3 (DE) LLC. SB Global Advisers Limited has been appointed as manager and is responsible for making all decisions related to the acquisition, structuring, financing and disposal of SoftBank Vision Fund II-2 L.P.'s investments, including as held by SVF II SPAC Investment 3 (DE) LLC. As a result of these relationships, each of these entities may be deemed to share beneficial ownership of the securities held of record by SVF II SPAC Investment 3 (DE) LLC. Each of them disclaims any such beneficial ownership except to the extent of their pecuniary interest therein.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>SVF II SPAC Investment 3 (DE) LLC, By: /s/ Jonathan Duckles, as Director</signatureName>
        <signatureDate>2022-06-17</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>SVF II Holdings (DE) LLC, By: /s/ Jonathan Duckles, as Director</signatureName>
        <signatureDate>2022-06-17</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>SVF II Aggregator (Jersey) L.P., By: SB Global Advisers Limited, its Manager, By: /s/ Spencer Collins, as Director</signatureName>
        <signatureDate>2022-06-17</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>SoftBank Vision Fund II-2 L.P., By: SB Global Advisers Limited, its Manager, By: /s/ Spencer Collins, as Director</signatureName>
        <signatureDate>2022-06-17</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>SB Global Advisers Limited, By: /s/ Spencer Collins, as Director</signatureName>
        <signatureDate>2022-06-17</signatureDate>
    </ownerSignature>
</ownershipDocument>
