<SEC-DOCUMENT>0001033427-19-000023-index.html : 20190207
<SEC-HEADER>0001033427-19-000023.hdr.sgml : 20190207
<ACCEPTANCE-DATETIME>20190207122151
ACCESSION NUMBER:		0001033427-19-000023
CONFORMED SUBMISSION TYPE:	13F-HR
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20181231
FILED AS OF DATE:		20190207
DATE AS OF CHANGE:		20190207
EFFECTIVENESS DATE:		20190207

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			IRIDIAN ASSET MANAGEMENT LLC/CT
		CENTRAL INDEX KEY:			0001033427
		IRS NUMBER:				061439577
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		13F-HR
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	028-06008
		FILM NUMBER:		19574229

	BUSINESS ADDRESS:	
		STREET 1:		276 POST ROAD WEST
		CITY:			WESTPORT
		STATE:			CT
		ZIP:			06880-4704
		BUSINESS PHONE:		2033417800

	MAIL ADDRESS:	
		STREET 1:		276 POST ROAD WEST
		CITY:			WESTPORT
		STATE:			CT
		ZIP:			06880-4704
</SEC-HEADER>
<DOCUMENT>
<TYPE>13F-HR
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
Document 1 - file: primary_doc.html

Document 1 - RAW XML: primary_doc.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>INFORMATION TABLE
<SEQUENCE>2
<FILENAME>13F_xmlschema12312018.xml
<DESCRIPTION>IRIDIAN ASSET MANAGEMENT LLC 13F-HR 12-31-2018
<TEXT>
Document 2 - file: 13F_xmlschema12312018.html

Document 2 - RAW XML: 13F_xmlschema12312018.xml

</DOCUMENT>
</SEC-DOCUMENT>