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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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<SEC-DOCUMENT>0001104659-10-059662.txt : 20101123
<SEC-HEADER>0001104659-10-059662.hdr.sgml : 20101123
<ACCEPTANCE-DATETIME>20101123114100
ACCESSION NUMBER:		0001104659-10-059662
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20101119
FILED AS OF DATE:		20101123
DATE AS OF CHANGE:		20101123

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			AEROFLEX HOLDING CORP.
		CENTRAL INDEX KEY:			0001487990
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				010899019
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0630

	BUSINESS ADDRESS:	
		STREET 1:		35 SOUTH SERVICE ROAD
		STREET 2:		P.O. BOX 6022
		CITY:			PLAINVIEW
		STATE:			NY
		ZIP:			11803
		BUSINESS PHONE:		516 694 6700

	MAIL ADDRESS:	
		STREET 1:		35 SOUTH SERVICE ROAD
		STREET 2:		P.O. BOX 6022
		CITY:			PLAINVIEW
		STATE:			NY
		ZIP:			11803

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	AX HOLDING CORP.
		DATE OF NAME CHANGE:	20100325

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Nottenburg Richard N
		CENTRAL INDEX KEY:			0001166816

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34974
		FILM NUMBER:		101210833

	MAIL ADDRESS:	
		STREET 1:		1303 EAST ALGONQUIN ROAD
		CITY:			SCHAUMBURG
		STATE:			IL
		ZIP:			60196

	FORMER NAME:	
		FORMER CONFORMED NAME:	NOTTENBURG RICHARD N
		DATE OF NAME CHANGE:	20020208
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>a4.xml
<DESCRIPTION>4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2010-11-19</periodOfReport>

    <notSubjectToSection16>1</notSubjectToSection16>

    <issuer>
        <issuerCik>0001487990</issuerCik>
        <issuerName>AEROFLEX HOLDING CORP.</issuerName>
        <issuerTradingSymbol>ARX</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001166816</rptOwnerCik>
            <rptOwnerName>Nottenburg Richard N</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O AEROFLEX HOLDING CORP.</rptOwnerStreet1>
            <rptOwnerStreet2>35 SOUTH SERVICE ROAD, P.O. BOX 6022</rptOwnerStreet2>
            <rptOwnerCity>PLAINVIEW</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>11803</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, par value $.01 per share</value>
            </securityTitle>
            <transactionDate>
                <value>2010-11-19</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>7500</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>13.50</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>7500</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Shares acquired pursuant to Directed Share Program in connection with the initial public offering of Common Stock of Aeroflex Holding Corp.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Richard N. Nottenburg</signatureName>
        <signatureDate>2010-11-23</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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