-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 Mw28/LgmYYNO4V1C/dGa8qJFTA4a8oM0B0AB1zEh8QFR2L1WFe8XZbaLKQzJVeo1
 bAAixn1n2czKclFlZTYKDg==

<SEC-DOCUMENT>0001480044-10-000001.txt : 20100107
<SEC-HEADER>0001480044-10-000001.hdr.sgml : 20100107
<ACCEPTANCE-DATETIME>20100107160213
ACCESSION NUMBER:		0001480044-10-000001
CONFORMED SUBMISSION TYPE:	D
PUBLIC DOCUMENT COUNT:		1
ITEM INFORMATION:		Rule 506
FILED AS OF DATE:		20100107
DATE AS OF CHANGE:		20100107
EFFECTIVENESS DATE:		20100107

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Conning Holdings Corp.
		CENTRAL INDEX KEY:			0001480044
		IRS NUMBER:				270945244
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		D
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	021-137562
		FILM NUMBER:		10514989

	BUSINESS ADDRESS:	
		STREET 1:		ONE FINANCIAL PLAZA
		CITY:			HARTFORD
		STATE:			CT
		ZIP:			06103
		BUSINESS PHONE:		860-299-2800

	MAIL ADDRESS:	
		STREET 1:		ONE FINANCIAL PLAZA
		CITY:			HARTFORD
		STATE:			CT
		ZIP:			06103
</SEC-HEADER>
<DOCUMENT>
<TYPE>D
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<edgarSubmission>

    <schemaVersion>X0603</schemaVersion>

    <submissionType>D</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0001480044</cik>
        <entityName>Conning Holdings Corp.</entityName>
        <issuerAddress>
            <street1>ONE FINANCIAL PLAZA</street1>
            <city>HARTFORD</city>
            <stateOrCountry>CT</stateOrCountry>
            <zipCode>06103</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>860-299-2800</issuerPhoneNumber>
        <jurisdictionOfInc>DELAWARE</jurisdictionOfInc>
        <issuerPreviousNameList>
            <previousName>Conning Holdings LLC</previousName>
        </issuerPreviousNameList>
        <edgarPreviousNameList>
            <value>None</value>
        </edgarPreviousNameList>
        <entityType>Corporation</entityType>
        <yearOfInc>
            <withinFiveYears>true</withinFiveYears>
            <value>2009</value>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Glenn</firstName>
                <middleName>R</middleName>
                <lastName>Heiser</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>341 Westwood Drive</street1>
                <city>Bristol</city>
                <stateOrCountry>CT</stateOrCountry>
                <zipCode>06010</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Managing Director and Chief Operating Officer</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>William</firstName>
                <middleName>M</middleName>
                <lastName>Bourque</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>17 Colonial Drive</street1>
                <city>Cheshire</city>
                <stateOrCountry>CT</stateOrCountry>
                <zipCode>06410</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Managing Director, Secretary and General Counsel</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Salvatore</firstName>
                <lastName>Correnti</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>17 Parker Road</street1>
                <city>Avon</city>
                <stateOrCountry>CT</stateOrCountry>
                <zipCode>06001</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>President and Chief Executive Officer</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>John</firstName>
                <lastName>Hendrickson</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>930 Chestnut Street</street1>
                <city>San Francisco</city>
                <stateOrCountry>CA</stateOrCountry>
                <zipCode>94109</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>John</firstName>
                <lastName>Brown</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>30 Black Horse Lane</street1>
                <city>Cohasset</city>
                <stateOrCountry>MA</stateOrCountry>
                <zipCode>02025</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>William</firstName>
                <lastName>Poutsiaka</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>72 Byron Road</street1>
                <city>Weston</city>
                <stateOrCountry>MA</stateOrCountry>
                <zipCode>02493</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Robert</firstName>
                <lastName>Pearce</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>188 Weathervane Drive</street1>
                <city>New Milford</city>
                <stateOrCountry>CT</stateOrCountry>
                <zipCode>06776</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Director and Chief Compliance Officer</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Susan</firstName>
                <lastName>Norton</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>6 Mallard Place</street1>
                <city>South Windsor</city>
                <stateOrCountry>CT</stateOrCountry>
                <zipCode>06074</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Vice President, Controller and Assistant Treasurer</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Thomas</firstName>
                <lastName>Forella</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>12 Village Lane</street1>
                <city>Burlington</city>
                <stateOrCountry>CT</stateOrCountry>
                <zipCode>06013</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Director, Chief Financial Officer and Treasurer</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Jeffrey</firstName>
                <middleName>W</middleName>
                <lastName>Greenberg</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>950 Park Avenue</street1>
                <city>New York</city>
                <stateOrCountry>NY</stateOrCountry>
                <zipCode>10028</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Steven</firstName>
                <lastName>Spiegel</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>204 Warren Street</street1>
                <city>Brookline</city>
                <stateOrCountry>MA</stateOrCountry>
                <zipCode>02445</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Vi</firstName>
                <middleName>R</middleName>
                <lastName>Smalley</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>330 Deercliff Road</street1>
                <city>Avon</city>
                <stateOrCountry>CT</stateOrCountry>
                <zipCode>06001</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Director, Senior Legal Counsel &amp; Assistant Secretary</relationshipClarification>
        </relatedPersonInfo>
    </relatedPersonsList>

    <offeringData>
        <industryGroup>
            <industryGroupType>Other</industryGroupType>
        </industryGroup>
        <issuerSize>
            <revenueRange>Decline to Disclose</revenueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>false</isAmendment>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2009-12-18</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>false</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isEquityType>true</isEquityType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
            <clarificationOfResponse></clarificationOfResponse>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>0</minimumInvestmentAccepted>
        <salesCompensationList></salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>8600000</totalOfferingAmount>
            <totalAmountSold>1210000</totalAmountSold>
            <totalRemaining>7390000</totalRemaining>
            <clarificationOfResponse></clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>35</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
            <salesCommissions>
                <dollarAmount>0</dollarAmount>
            </salesCommissions>
            <findersFees>
                <dollarAmount>0</dollarAmount>
            </findersFees>
            <clarificationOfResponse></clarificationOfResponse>
        </salesCommissionsFindersFees>
        <useOfProceeds>
            <grossProceedsUsed>
                <dollarAmount>0</dollarAmount>
            </grossProceedsUsed>
            <clarificationOfResponse></clarificationOfResponse>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>Conning Holdings Corp.</issuerName>
                <signatureName>Glenn R Heiser</signatureName>
                <nameOfSigner>Glenn R Heiser</nameOfSigner>
                <signatureTitle>COO</signatureTitle>
                <signatureDate>2009-12-30</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----