<SEC-DOCUMENT>0000886163-17-000121-index.html : 20171102
<SEC-HEADER>0000886163-17-000121.hdr.sgml : 20171102
<ACCEPTANCE-DATETIME>20171101174929
ACCESSION NUMBER:		0000886163-17-000121
CONFORMED SUBMISSION TYPE:	10-Q/A
PUBLIC DOCUMENT COUNT:		4
CONFORMED PERIOD OF REPORT:	20171101
FILED AS OF DATE:		20171102
DATE AS OF CHANGE:		20171101

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			LIGAND PHARMACEUTICALS INC
		CENTRAL INDEX KEY:			0000886163
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				770160744
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		10-Q/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33093
		FILM NUMBER:		171170112

	BUSINESS ADDRESS:	
		STREET 1:		3911 SORRENTO VALLEY BLVD
		STREET 2:		SUITE 110
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92121
		BUSINESS PHONE:		858-550-7500

	MAIL ADDRESS:	
		STREET 1:		3911 SORRENTO VALLEY BLVD
		STREET 2:		SUITE 110
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92121
</SEC-HEADER>
<DOCUMENT>
<TYPE>10-Q/A
<SEQUENCE>1
<FILENAME>a10-qaforlgndx6301110q.htm
<DESCRIPTION>10-Q/A
<TEXT>
Document 1 - file: a10-qaforlgndx6301110q.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-10.27
<SEQUENCE>2
<FILENAME>lgndexhibit1027.htm
<DESCRIPTION>EXHIBIT 10.27
<TEXT>
Document 2 - file: lgndexhibit1027.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.3
<SEQUENCE>3
<FILENAME>lgndexhibit313.htm
<DESCRIPTION>EXHIBIT 31.3
<TEXT>
Document 3 - file: lgndexhibit313.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.4
<SEQUENCE>4
<FILENAME>lgndexhibit314.htm
<DESCRIPTION>EXHIBIT 31.4
<TEXT>
Document 4 - file: lgndexhibit314.htm

</DOCUMENT>
</SEC-DOCUMENT>