<SEC-DOCUMENT>0001127602-15-000614-index.html : 20150105
<SEC-HEADER>0001127602-15-000614.hdr.sgml : 20150105
<ACCEPTANCE-DATETIME>20150105160934
ACCESSION NUMBER:		0001127602-15-000614
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20150101
FILED AS OF DATE:		20150105
DATE AS OF CHANGE:		20150105

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			HOLOGIC INC
		CENTRAL INDEX KEY:			0000859737
		STANDARD INDUSTRIAL CLASSIFICATION:	X-RAY APPARATUS & TUBES & RELATED IRRADIATION APPARATUS [3844]
		IRS NUMBER:				042902449
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0928

	BUSINESS ADDRESS:	
		STREET 1:		35 CROSBY DRIVE
		CITY:			BEDFORD
		STATE:			MA
		ZIP:			01730
		BUSINESS PHONE:		7819997300

	MAIL ADDRESS:	
		STREET 1:		35 CROSBY DRIVE
		CITY:			BEDFORD
		STATE:			MA
		ZIP:			01730

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MERKSAMER SAMUEL J.
		CENTRAL INDEX KEY:			0001501581

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36214
		FILM NUMBER:		15504789

	MAIL ADDRESS:	
		STREET 1:		C/O ICAHN CAPITAL LP
		STREET 2:		767 FIFTH AVENUE, 47TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10153

	FORMER NAME:	
		FORMER CONFORMED NAME:	MERKSAMER SAMUEL
		DATE OF NAME CHANGE:	20100920

	FORMER NAME:	
		FORMER CONFORMED NAME:	MERKSAMER SAM
		DATE OF NAME CHANGE:	20100917
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form4.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
Document 1 - file: form4.html

Document 1 - RAW XML: form4.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>doc1.txt
<DESCRIPTION>POWER OF ATTORNEY (PUBLIC): SUBSTITUTE POWER OF ATTORNEY
<TEXT>
Document 2 - file: doc1.txt

</DOCUMENT>
</SEC-DOCUMENT>