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

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2007-09-06</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000825313</issuerCik>
        <issuerName>ALLIANCEBERNSTEIN HOLDING L.P.</issuerName>
        <issuerTradingSymbol>AB</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000003798</rptOwnerCik>
            <rptOwnerName>ACMC INC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1290 AVENUE OF THE AMERICAS</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10104</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>Filed by mult. reporting pers.</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000898427</rptOwnerCik>
            <rptOwnerName>AXA</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>25 AVENUE MATIGNON</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>PARIS</rptOwnerCity>
            <rptOwnerState>I0</rptOwnerState>
            <rptOwnerZipCode>75008</rptOwnerZipCode>
            <rptOwnerStateDescription>FRANCE</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>Filed by mult. reporting pers.</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000941620</rptOwnerCik>
            <rptOwnerName>AXA ASSURANCES I A R D MUTUELLE ET AL</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>26, RUE DROUOT</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>PARIS</rptOwnerCity>
            <rptOwnerState>I0</rptOwnerState>
            <rptOwnerZipCode>75009</rptOwnerZipCode>
            <rptOwnerStateDescription>FRANCE</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>Filed by mult.reporting pers.</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000898483</rptOwnerCik>
            <rptOwnerName>AXA COURTAGE ASSURANCE MUTUELLE</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>26, RUE DROUOT</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>PARIS</rptOwnerCity>
            <rptOwnerState>I0</rptOwnerState>
            <rptOwnerZipCode>75009</rptOwnerZipCode>
            <rptOwnerStateDescription>FRANCE</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>Filed by mult. reporting pers.</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000898482</rptOwnerCik>
            <rptOwnerName>AXA ASSURANCES VIE MUTUELLE ET AL</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>26, RUE DROUOT</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>PARIS</rptOwnerCity>
            <rptOwnerState>I0</rptOwnerState>
            <rptOwnerZipCode>75009</rptOwnerZipCode>
            <rptOwnerStateDescription>FRANCE</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>Filed by mult. reporting pers.</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001257148</rptOwnerCik>
            <rptOwnerName>AXA FINANCIAL SERVICES LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1290 AVENUE OF THE AMERICAS</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10104</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>Filed by mult. reporting pers.</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000888002</rptOwnerCik>
            <rptOwnerName>AXA FINANCIAL INC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1290 AVENUE OF THE AMERICAS</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10104</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>Filed by mult. reporting pers.</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000842885</rptOwnerCik>
            <rptOwnerName>ECMC LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1290 AVENUE OF THE AMERICAS</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10104</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>Filed by mult. reporting pers.</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001257149</rptOwnerCik>
            <rptOwnerName>EQUITABLE HOLDINGS LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1290 AVENUE OF THE AMERICAS</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10104</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>Filed by mult. reporting pers.</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000727920</rptOwnerCik>
            <rptOwnerName>AXA EQUITABLE LIFE INSURANCE CO</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1290 AVENUE OF THE AMERICAS</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10104</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>Filed by mult. reporting pers.</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Units</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>722178</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                    <footnoteId id="F4"/>
                    <footnoteId id="F5"/>
                    <footnoteId id="F6"/>
                    <footnoteId id="F7"/>
                    <footnoteId id="F8"/>
                    <footnoteId id="F10"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Units</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>722178</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F3"/>
                    <footnoteId id="F4"/>
                    <footnoteId id="F5"/>
                    <footnoteId id="F6"/>
                    <footnoteId id="F7"/>
                    <footnoteId id="F8"/>
                    <footnoteId id="F9"/>
                    <footnoteId id="F10"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Units Representing Assignments of Beneficial Ownership of Limited Partnership Interests.</footnote>
        <footnote id="F2">These securities are directly owned by ACMC, Inc. (&quot;ACMC&quot;), an indirect wholly-owned subsidiary of AXA Financial, Inc. (&quot;AXA Financial&quot;).</footnote>
        <footnote id="F3">AXA indirectly owns all of the common stock (the &quot;Common Stock&quot;) of AXA Financial, which is the direct and indirect beneficial owner of the securities covered by this Form 4. As of February 28, 2007, the Mutuelles AXA, as a group, directly and indirectly owned approximately 14.26% of the issued ordinary shares (representing approximately 20.66% of the voting power) of AXA. The Mutuelles AXA, and AXA expressly declare that the filing of this Form 4 shall not be construed as an admission that any of them is, for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, the beneficial owner of any securities covered by this Form 4.</footnote>
        <footnote id="F4">AXA has deposited its shares of Common Stock into a voting trust. AXA will remain the indirect  beneficial owner of such Common Stock, but during the term of the voting trust, the AXA Voting Trustees will exercise all voting rights wth respect to the Common Stock. Accordingly, the AXA Voting Trustees may be deemed to beneficially own the securities covered by this Form 4. The AXA Voting Trustees expressly declare that the filing of this Form 4 shall not be construed as an admission that any of them is, for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, the beneficial owner of any securities covered by this Form 4.</footnote>
        <footnote id="F5">In addition to the units (&quot;Holding Units&quot;) representing assignments of beneficial ownership of limited partnership interests in AllianceBernstein Holding L.P.  (&quot;Holding&quot;) reported in this Form 4, the Reporting Persons beneficially own units (&quot;AB Units&quot;) of limited partnership interest in AllianceBernstein L.P. (&quot;AllianceBernstein&quot;) as follows. As of September 6, 2007, AXA Financial beneficially owned directly 32,701,854 AB Units; ACMC, 66,220,822 AB Units; ECMC, LLC, 40,880,637 AB Units; AXA Equitable, 8,165,204 AB Units; MONY Life, 4,389,192 AB Units; MLOA, 1,225,000 AB Units; and AllianceBernstein Corporation, a wholly-owned subsidiary of AXA Equitable, owned a 1% general partnership interest in AllianceBernstein and 100,000 units of general partnership interest in Holding.</footnote>
        <footnote id="F6">AXA Financial has purchased 1,100 AB Units from two unaffiliated third parties. The purchase price for each of the AB Units whose acquisition is being reported on this Form 4 is $83.13 per AB Unit, which was the closing price for a Holding Unit as quoted on the New York Stock Exchange on September 5, 2007.</footnote>
        <footnote id="F7">For more information on the Reporting Persons' holdings of AB Units, see their separate Form 4 filings with respect to AB Units</footnote>
        <footnote id="F8">The AB Units are highly illiquid, and the ability of a holder of AB Units to exchange them in the future for Holding Units if it so desires is substantially limited. In general, transfers of AB Units will be allowed only with the written consent of both AXA Equitable and the general partner of AllianceBernstein. AXA Equitable and the general partner of AllianceBernstein have stated that they intend to refuse to consent to any transfer that is not described in the safe harbors set forth in the United States Treasury regulations.</footnote>
        <footnote id="F9">These securities are directly owned by ECMC, LLC, an indirect wholly-owned subsidiary of AXA Financial.</footnote>
        <footnote id="F10">As used in this Form 4, &quot;AXA Equitable&quot; refers to AXA Equitable Life Insurance Company; &quot;MONY Life&quot; refers to MONY Life Insurance Company; and &quot;MLOA&quot; refers to MONY Life Insurance Company of America. AXA Equitable, MONY Life and MLOA are indirect wholly owned subsidiaries of AXA Financial.</footnote>
    </footnotes>

    <remarks>This is one of two Forms 4 reporting this transaction filed today by multiple reporting persons. See Attachment A filed as an Exhibit hereto for a complete list of Reporting Persons filing these two Forms 4 today.</remarks>

    <ownerSignature>
        <signatureName>Alvin H. Fenichel (See Attachment A)</signatureName>
        <signatureDate>2007-09-07</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Kevin R. Byrne (See Attachment A)</signatureName>
        <signatureDate>2007-09-07</signatureDate>
    </ownerSignature>
</ownershipDocument>
