<SEC-DOCUMENT>0001179110-18-011166.txt : 20180906
<SEC-HEADER>0001179110-18-011166.hdr.sgml : 20180906
<ACCEPTANCE-DATETIME>20180906173955
ACCESSION NUMBER:		0001179110-18-011166
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20180905
FILED AS OF DATE:		20180906
DATE AS OF CHANGE:		20180906

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ADVENT CAPITAL MANAGEMENT /DE/
		CENTRAL INDEX KEY:			0001097278
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	811-21309
		FILM NUMBER:		181058435

	BUSINESS ADDRESS:	
		STREET 1:		888 SEVENTH AVENUE, 31ST FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019
		BUSINESS PHONE:		2124821600

	MAIL ADDRESS:	
		STREET 1:		888 SEVENTH AVENUE, 31ST FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ADVENT CLAYMORE CONVERTIBLE SECURITIES & INCOME FUND
		CENTRAL INDEX KEY:			0001219120
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1031

	BUSINESS ADDRESS:	
		STREET 1:		227 W. MONROE STREET
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606
		BUSINESS PHONE:		312-827-0100

	MAIL ADDRESS:	
		STREET 1:		227 W. MONROE STREET
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>FORM 4 -
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2018-09-05</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001219120</issuerCik>
        <issuerName>ADVENT CLAYMORE CONVERTIBLE SECURITIES &amp; INCOME FUND</issuerName>
        <issuerTradingSymbol>AVK</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001097278</rptOwnerCik>
            <rptOwnerName>ADVENT CAPITAL MANAGEMENT /DE/</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>888 7TH AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2>31ST FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10019</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <officerTitle></officerTitle>
            <otherText>Investment Manager</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2018-09-05</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>12000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>15.6888</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>12000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2018-09-06</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>38000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>15.6836</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>50000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes></footnotes>

    <ownerSignature>
        <signatureName>Advent Capital Management, LLC, by Mark E. Mathiasen Pursuant to a Power of Attorney</signatureName>
        <signatureDate>2018-09-06</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>poaadventcap.txt
<TEXT>


POWER OF ATTORNEY


The undersigned,
being a person required
to file a statement
under Section 16(a) of
the Securities Exchange
Act of 1934, as amended
(the '1934 Act'), with
respect to
Advent Claymore
Convertible
Securities
and Income Fund, a
Delaware statutory
trust, hereby
authorizes, designates
and appoints Amy J.
Lee and Mark E.
Mathiasen to act as
attorney-in-fact to
execute and file
statements on Form 3,
Form 4 and Form 5 and
any successor forms
adopted by the
Securities Exchange
Commission, as required
by the 1934 Act and the
Investment Company Act
of 1940 and
the rules thereunder,
and to take such other
actions as such
attorney-in-fact may
deem necessary or
appropriate in
connection with such
statements, hereby
confirming and ratifying
all actions that such
attorney-in-fact has
taken or may take in
reliance hereon.  This
power of attorney shall
continue in effect until
the undersigned no
longer has an obligation
to file statements under
the section cited above,
or until specifically
terminated in writing by
the undersigned.

IN WITNESS WHEREOF,
the undersigned has duly
executed this power of
attorney as of the 5th
day of September, 2018.


Signature

/s/ Edward C. Delk
---------------------
Edward C. Delk
On behalf of
Advent Capital
Management, LLC





</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
