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

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2021-06-29</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001850270</issuerCik>
        <issuerName>Social Capital Suvretta Holdings Corp. III</issuerName>
        <issuerTradingSymbol>DNAC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001850379</rptOwnerCik>
            <rptOwnerName>SCS Sponsor III LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>SOCIAL CAPITAL SUVRETTA HLDNGS CORP III</rptOwnerStreet1>
            <rptOwnerStreet2>2850 W HORIZON RIDGE PARKWAY, STE 200</rptOwnerStreet2>
            <rptOwnerCity>HENDERSON</rptOwnerCity>
            <rptOwnerState>NV</rptOwnerState>
            <rptOwnerZipCode>89052</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001715450</rptOwnerCik>
            <rptOwnerName>Palihapitiya Chamath</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>SOCIAL CAPITAL SUVRETTA HLDNGS CORP III</rptOwnerStreet1>
            <rptOwnerStreet2>2850 W HORIZON RIDGE PARKWAY, STE 200</rptOwnerStreet2>
            <rptOwnerCity>HENDERSON</rptOwnerCity>
            <rptOwnerState>NV</rptOwnerState>
            <rptOwnerZipCode>89052</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>Manager</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001850520</rptOwnerCik>
            <rptOwnerName>Mehta Kishan</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>540 MADISON AVENUE, 7TH FLOOR</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>Manager</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001869640</rptOwnerCik>
            <rptOwnerName>Cowen Aaron</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>540 MADISON AVENUE, 7TH FLOOR</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>Manager of Minority Owner</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001869713</rptOwnerCik>
            <rptOwnerName>ChaChaCha DNA III, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>SOCIAL CAPITAL SUVRETTA HLDNGS CORP III</rptOwnerStreet1>
            <rptOwnerStreet2>2850 W HORIZON RIDGE PARKWAY, STE 200</rptOwnerStreet2>
            <rptOwnerCity>HENDERSON</rptOwnerCity>
            <rptOwnerState>NV</rptOwnerState>
            <rptOwnerZipCode>89052</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>Majority Owner</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Class B ordinary shares</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F1"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A ordinary shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>6295000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F2"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">As described in the issuer's registration statement on Form S-1 (File No. 333-256725) under the heading &quot;Description of Securities--Founder Shares,&quot; the Class B ordinary shares, par value $0.0001 per share, of the issuer will automatically convert into Class A ordinary shares, par value $0.0001 per share, of the issuer at the time of the issuer's initial business combination, or earlier at the option of the holder, on a one-for-one basis, subject to certain adjustment, and have no expiration date. Includes 825,000 Class B ordinary shares that are subject to forfeiture if the underwriters of the issuer's initial public offering do not exercise in full their option to purchase additional Class A ordinary shares.</footnote>
        <footnote id="F2">The reporting owner, SCS Sponsor III LLC (the &quot;Sponsor&quot;), in whose name the securities reported herein are held, is managed by its managers, Chamath Palihapitiya and Kishan Mehta. A majority of the voting interests of the Sponsor are held by ChaChaCha DNA III, LLC (&quot;ChaChaCha&quot;), which is controlled by Mr. Palihapitiya. Messrs. Mehta and Cowen may be deemed to control the other member of the Sponsor. Messrs. Palihapitiya, Mehta and Cowen and ChaChaCha may be deemed to beneficially own shares held by the Sponsor by virtue of their direct or indirect interests in the Sponsor or their shared control over the Sponsor, as the case may be. Each of Mr. Palihapitiya, Mr. Mehta, ChaChaCha and Mr. Cowen disclaims beneficial ownership of the shares held by the Sponsor, except to the extent of such person's pecuniary interest therein.</footnote>
    </footnotes>

    <remarks>Exhibit 24.1 - Powers of Attorney. On the basis of the relationship between the Sponsor, ChaChaCha and Messrs. Palihapitiya and Mehta, the Sponsor and ChaChaCha will be deemed directors by deputization.</remarks>

    <ownerSignature>
        <signatureName>SCS SPONSOR III, LLC, By: /s/ James Ryans, as Chief Financial Officer
CHACHACHA DNA III, LLC, AARON COWEN, CHAMATH PALIHAPITIYA, and KISHAN MEHTA, By: /s/ James Ryans, as attorney-in-fact</signatureName>
        <signatureDate>2021-06-29</signatureDate>
    </ownerSignature>
</ownershipDocument>
