<SEC-DOCUMENT>0000886163-20-000141-index.html : 20201221
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<ACCEPTANCE-DATETIME>20201221083958
ACCESSION NUMBER:		0000886163-20-000141
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		16
CONFORMED PERIOD OF REPORT:	20201218
ITEM INFORMATION:		Other Events
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20201221
DATE AS OF CHANGE:		20201221

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:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33093
		FILM NUMBER:		201402510

	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>
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<TYPE>8-K
<SEQUENCE>1
<FILENAME>lgnd-20201218.htm
<DESCRIPTION>8-K
<TEXT>
Document 1 - file: lgnd-20201218.htm

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<DOCUMENT>
<TYPE>EX-101.SCH
<SEQUENCE>2
<FILENAME>lgnd-20201218.xsd
<DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT
<TEXT>
Document 2 - file: lgnd-20201218.xsd

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<DOCUMENT>
<TYPE>EX-101.CAL
<SEQUENCE>3
<FILENAME>lgnd-20201218_cal.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT
<TEXT>
Document 3 - file: lgnd-20201218_cal.xml

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<DOCUMENT>
<TYPE>EX-101.DEF
<SEQUENCE>4
<FILENAME>lgnd-20201218_def.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT
<TEXT>
Document 4 - file: lgnd-20201218_def.xml

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<TYPE>EX-101.LAB
<SEQUENCE>5
<FILENAME>lgnd-20201218_lab.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT
<TEXT>
Document 5 - file: lgnd-20201218_lab.xml

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<TYPE>EX-101.PRE
<SEQUENCE>6
<FILENAME>lgnd-20201218_pre.xml
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<TEXT>
Document 6 - file: lgnd-20201218_pre.xml

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<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>image_01.jpg
<TEXT>
Document 7 - file: image_01.jpg

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<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>8
<FILENAME>exhibit991_201221gskagreem.htm
<DESCRIPTION>EX-99.1
<TEXT>
Document 8 - file: exhibit991_201221gskagreem.htm

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<TYPE>XML
<SEQUENCE>9
<FILENAME>lgnd-20201218_htm.xml
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<TEXT>
Document 9 - file: lgnd-20201218_htm.html

Document 9 - RAW XML: lgnd-20201218_htm.xml

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<SEQUENCE>10
<FILENAME>R1.htm
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<TEXT>
Document 10 - file: R1.htm

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<DOCUMENT>
<TYPE>EXCEL
<SEQUENCE>11
<FILENAME>Financial_Report.xlsx
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<TEXT>
Document 11 - file: Financial_Report.xlsx

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<SEQUENCE>12
<FILENAME>Show.js
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<TEXT>
Document 12 - file: Show.js

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>13
<FILENAME>report.css
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 13 - file: report.css

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>14
<FILENAME>FilingSummary.xml
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 14 - file: FilingSummary.html

Document 14 - RAW XML: FilingSummary.xml

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<DOCUMENT>
<TYPE>JSON
<SEQUENCE>16
<FILENAME>MetaLinks.json
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 16 - file: MetaLinks.json

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<DOCUMENT>
<TYPE>ZIP
<SEQUENCE>17
<FILENAME>0000886163-20-000141-xbrl.zip
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<TEXT>
Document 17 - file: 0000886163-20-000141-xbrl.zip

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