<SEC-DOCUMENT>0001445546-14-005923-index.html : 20141210
<SEC-HEADER>0001445546-14-005923.hdr.sgml : 20141210
<ACCEPTANCE-DATETIME>20141210080450
ACCESSION NUMBER:		0001445546-14-005923
CONFORMED SUBMISSION TYPE:	485BPOS
PUBLIC DOCUMENT COUNT:		6
FILED AS OF DATE:		20141210
DATE AS OF CHANGE:		20141210
EFFECTIVENESS DATE:		20141210

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			FIRST TRUST EXCHANGE-TRADED ALPHADEX FUND
		CENTRAL INDEX KEY:			0001383496
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			MA

	FILING VALUES:
		FORM TYPE:		485BPOS
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-140895
		FILM NUMBER:		141276585

	BUSINESS ADDRESS:	
		STREET 1:		120 EAST LIBERTY DRIVE, SUITE 400
		CITY:			WHEATON
		STATE:			IL
		ZIP:			60187
		BUSINESS PHONE:		630-765-8000

	MAIL ADDRESS:	
		STREET 1:		120 EAST LIBERTY DRIVE, SUITE 400
		CITY:			WHEATON
		STATE:			IL
		ZIP:			60187

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			FIRST TRUST EXCHANGE-TRADED ALPHADEX FUND
		CENTRAL INDEX KEY:			0001383496
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			MA

	FILING VALUES:
		FORM TYPE:		485BPOS
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-22019
		FILM NUMBER:		141276586

	BUSINESS ADDRESS:	
		STREET 1:		120 EAST LIBERTY DRIVE, SUITE 400
		CITY:			WHEATON
		STATE:			IL
		ZIP:			60187
		BUSINESS PHONE:		630-765-8000

	MAIL ADDRESS:	
		STREET 1:		120 EAST LIBERTY DRIVE, SUITE 400
		CITY:			WHEATON
		STATE:			IL
		ZIP:			60187
<SERIES-AND-CLASSES-CONTRACTS-DATA>
<EXISTING-SERIES-AND-CLASSES-CONTRACTS>
<SERIES>
<OWNER-CIK>0001383496
<SERIES-ID>S000017337
<SERIES-NAME>First Trust Large Cap Core AlphaDEX Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000047995
<CLASS-CONTRACT-NAME>First Trust Large Cap Core AlphaDEX Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FEX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001383496
<SERIES-ID>S000017338
<SERIES-NAME>First Trust Mid Cap Core AlphaDEX Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000047996
<CLASS-CONTRACT-NAME>First Trust Mid Cap Core AlphaDEX Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FNX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001383496
<SERIES-ID>S000017339
<SERIES-NAME>First Trust Small Cap Core AlphaDEX Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000047997
<CLASS-CONTRACT-NAME>First Trust Small Cap Core AlphaDEX Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FYX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001383496
<SERIES-ID>S000017340
<SERIES-NAME>First Trust Large Cap Value AlphaDEX Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000047998
<CLASS-CONTRACT-NAME>First Trust Large Cap Value Opportunities AlphaDEX Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FTA
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001383496
<SERIES-ID>S000017341
<SERIES-NAME>First Trust Large Cap Growth AlphaDEX Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000047999
<CLASS-CONTRACT-NAME>First Trust Large Cap Growth Opportunities AlphaDEX Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FTC
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001383496
<SERIES-ID>S000017342
<SERIES-NAME>First Trust Multi Cap Value AlphaDEX Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000048000
<CLASS-CONTRACT-NAME>First Trust Multi Cap Value AlphaDEX Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FAB
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001383496
<SERIES-ID>S000017343
<SERIES-NAME>First Trust Multi Cap Growth AlphaDEX Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000048001
<CLASS-CONTRACT-NAME>First Trust Multi Cap Growth AlphaDEX Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FAD
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001383496
<SERIES-ID>S000017696
<SERIES-NAME>First Trust Consumer Discretionary AlphaDEX Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000048896
<CLASS-CONTRACT-NAME>First Trust Consumer Discretionary AlphaDEX Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FXD
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001383496
<SERIES-ID>S000017697
<SERIES-NAME>First Trust Consumer Staples AlphaDEX Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000048897
<CLASS-CONTRACT-NAME>First Trust Consumer Staples AlphaDEX Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FXG
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001383496
<SERIES-ID>S000017698
<SERIES-NAME>First Trust Energy AlphaDEX Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000048898
<CLASS-CONTRACT-NAME>First Trust Energy AlphaDEX Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FXN
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001383496
<SERIES-ID>S000017699
<SERIES-NAME>First Trust Financials AlphaDEX Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000048899
<CLASS-CONTRACT-NAME>First Trust Financials AlphaDEX Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FXO
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001383496
<SERIES-ID>S000017700
<SERIES-NAME>First Trust Health Care AlphaDEX Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000048900
<CLASS-CONTRACT-NAME>First Trust Health Care AlphaDEX Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FXH
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001383496
<SERIES-ID>S000017701
<SERIES-NAME>First Trust Industrials/Producer Durables AlphaDEX Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000048901
<CLASS-CONTRACT-NAME>First Trust Industrials/Producer Durables AlphaDEX Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FXR
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001383496
<SERIES-ID>S000017702
<SERIES-NAME>First Trust Materials AlphaDEX Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000048902
<CLASS-CONTRACT-NAME>First Trust Materials AlphaDEX Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FXZ
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001383496
<SERIES-ID>S000017703
<SERIES-NAME>First Trust Technology AlphaDEX Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000048903
<CLASS-CONTRACT-NAME>First Trust Technology AlphaDEX Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FXL
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001383496
<SERIES-ID>S000017704
<SERIES-NAME>First Trust Utilities AlphaDEX Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000048904
<CLASS-CONTRACT-NAME>First Trust Utilities AlphaDEX Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FXU
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001383496
<SERIES-ID>S000031804
<SERIES-NAME>First Trust Mid Cap Growth AlphaDEX Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000099059
<CLASS-CONTRACT-NAME>First Trust Mid Cap Growth AlphaDEX Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FNY
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001383496
<SERIES-ID>S000031805
<SERIES-NAME>First Trust Mid Cap Value AlphaDEX Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000099060
<CLASS-CONTRACT-NAME>First Trust Mid Cap Value AlphaDEX Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FNK
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001383496
<SERIES-ID>S000031806
<SERIES-NAME>First Trust Small Cap Growth AlphaDEX Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000099061
<CLASS-CONTRACT-NAME>First Trust Small Cap Growth AlphaDEX Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FYC
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001383496
<SERIES-ID>S000031807
<SERIES-NAME>First Trust Small Cap Value AlphaDEX Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000099062
<CLASS-CONTRACT-NAME>First Trust Small Cap Value AlphaDEX Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FYT
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001383496
<SERIES-ID>S000032963
<SERIES-NAME>First Trust Mega Cap AlphaDEX Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000101702
<CLASS-CONTRACT-NAME>First Trust Mega Cap AlphaDEX Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FMK
</CLASS-CONTRACT>
</SERIES>
</EXISTING-SERIES-AND-CLASSES-CONTRACTS>
</SERIES-AND-CLASSES-CONTRACTS-DATA>
</SEC-HEADER>
<DOCUMENT>
<TYPE>485BPOS
<SEQUENCE>1
<FILENAME>adex485b.txt
<DESCRIPTION>INTERACTIVE DATA
<TEXT>
Document 1 - file: adex485b.txt
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.INS <SEQUENCE>2 <FILENAME>adex485-20141210.xml <DESCRIPTION>XBRL INSTANCE FILE <TEXT> Document 2 - file: adex485-20141210.xml
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</DOCUMENT> <DOCUMENT> <TYPE>EX-101.DEF <SEQUENCE>4 <FILENAME>adex485-20141210_def.xml <DESCRIPTION>XBRL DEFINITION FILE <TEXT> Document 4 - file: adex485-20141210_def.xml
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.LAB <SEQUENCE>5 <FILENAME>adex485-20141210_lab.xml <DESCRIPTION>XBRL LABEL FILE <TEXT> Document 5 - file: adex485-20141210_lab.xml
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.PRE <SEQUENCE>6 <FILENAME>adex485-20141210_pre.xml <DESCRIPTION>XBRL PRESENTATION FILE <TEXT> Document 6 - file: adex485-20141210_pre.xml
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