<SEC-DOCUMENT>0001013762-24-000261.txt : 20240711
<SEC-HEADER>0001013762-24-000261.hdr.sgml : 20240711
<ACCEPTANCE-DATETIME>20240711180958
ACCESSION NUMBER:		0001013762-24-000261
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20240711
FILED AS OF DATE:		20240711
DATE AS OF CHANGE:		20240711

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Gilbert Ryan Mark
		CENTRAL INDEX KEY:			0001821098
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-42173
		FILM NUMBER:		241112881

	MAIL ADDRESS:	
		STREET 1:		2201 BROADWAY STE 705
		CITY:			OAKLAND
		STATE:			CA
		ZIP:			94612

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Launch One Sponsor LLC
		CENTRAL INDEX KEY:			0002022877
		ORGANIZATION NAME:           	
		STATE OF INCORPORATION:			E9
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-42173
		FILM NUMBER:		241112882

	BUSINESS ADDRESS:	
		STREET 1:		180 GRAND AVENUE SUITE 1530
		CITY:			OAKLAND
		STATE:			CA
		ZIP:			94612
		BUSINESS PHONE:		5106929600

	MAIL ADDRESS:	
		STREET 1:		180 GRAND AVENUE SUITE 1530
		CITY:			OAKLAND
		STATE:			CA
		ZIP:			94612

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Launch One Acquisition Corp.
		CENTRAL INDEX KEY:			0002015502
		STANDARD INDUSTRIAL CLASSIFICATION:	BLANK CHECKS [6770]
		ORGANIZATION NAME:           	05 Real Estate & Construction
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			E9
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		180 GRAND AVENUE  SUITE 1530
		CITY:			OAKLAND
		STATE:			CA
		ZIP:			94612
		BUSINESS PHONE:		5106929600

	MAIL ADDRESS:	
		STREET 1:		180 GRAND AVENUE  SUITE 1530
		CITY:			OAKLAND
		STATE:			CA
		ZIP:			94612
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>ownership.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2024-07-11</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0002015502</issuerCik>
        <issuerName>Launch One Acquisition Corp.</issuerName>
        <issuerTradingSymbol>LPAA</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0002022877</rptOwnerCik>
            <rptOwnerName>Launch One Sponsor LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>180 GRAND AVENUE,</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 1530</rptOwnerStreet2>
            <rptOwnerCity>OAKLAND</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94612</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001821098</rptOwnerCik>
            <rptOwnerName>Gilbert Ryan Mark</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>180 GRAND AVENUE,</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 1530</rptOwnerStreet2>
            <rptOwnerCity>OAKLAND</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94612</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Class B Ordinary Shares</value>
                <footnoteId id="F1"/>
            </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>5750000</value>
                    <footnoteId id="F2"/>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">As described in the registration statement on Form S-1 (File No. 333-280188) of Launch One Acquisition Corp. (the &quot;Issuer&quot;) under the heading &quot;Description of Securities--Founder Shares,&quot; the shares of Class B ordinary shares will automatically convert into shares of Class A ordinary shares at the time of the Issuer's initial business combination, or at any time prior to the Issuer's initial business combination, at the option of the holder, on a one-for-one basis, subject to certain adjustments. The Class B ordinary shares have no expiration date.</footnote>
        <footnote id="F2">These shares represent the Class B ordinary shares held by Launch One Sponsor LLC (the &quot;Sponsor&quot;) acquired pursuant to a subscription agreement by and between the Issuer and the Sponsor. The Class B ordinary shares include up to 750,000 shares that are subject to forfeiture in the event the underwriters of the Issuer's initial public offering do not exercise in full their over-allotment option as described in the Issuer's registration statement.</footnote>
        <footnote id="F3">Ryan Gilbert, Chairman of the board of directors of the Issuer, is the sole managing member of the Sponsor and holds voting and investment discretion with respect to the ordinary shares held of record by the Sponsor. As such, Mr. Gilbert may be deemed to have beneficial ownership of the securities held of record by the Sponsor. Mr. Gilbert disclaims any beneficial ownership except to the extent of his pecuniary interest therein.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Ryan Gilbert, Managing Member of Launch One Sponsor LLC</signatureName>
        <signatureDate>2024-07-11</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Ryan Gilbert</signatureName>
        <signatureDate>2024-07-11</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
