<SEC-DOCUMENT>0000899866-14-000199-index.html : 20140912
<SEC-HEADER>0000899866-14-000199.hdr.sgml : 20140912
<ACCEPTANCE-DATETIME>20140912210626
ACCESSION NUMBER:		0000899866-14-000199
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20140908
FILED AS OF DATE:		20140912
DATE AS OF CHANGE:		20140912

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ALEXION PHARMACEUTICALS INC
		CENTRAL INDEX KEY:			0000899866
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				133648318
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		352 KNOTTER DRIVE
		CITY:			CHESHIRE
		STATE:			CT
		ZIP:			06511
		BUSINESS PHONE:		2037761790

	MAIL ADDRESS:	
		STREET 1:		352 KNOTTER DRIVE
		CITY:			CHESHIRE
		STATE:			CT
		ZIP:			06511

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Miller Edward
		CENTRAL INDEX KEY:			0001619252

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-27756
		FILM NUMBER:		141101916

	MAIL ADDRESS:	
		STREET 1:		C/O ALEXION PHARMACEUTICALS, INC
		STREET 2:		352 KNOTTER DRIVE
		CITY:			CHESHIRE
		STATE:			CT
		ZIP:			06410
</SEC-HEADER>
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<TYPE>3
<SEQUENCE>1
<FILENAME>wf-form3_141057037551531.xml
<DESCRIPTION>FORM 3
<TEXT>
Document 1 - file: wf-form3_141057037551531.html

Document 1 - RAW XML: wf-form3_141057037551531.xml

</DOCUMENT>
</SEC-DOCUMENT>