<SEC-DOCUMENT>0001193125-18-333958-index.html : 20181126
<SEC-HEADER>0001193125-18-333958.hdr.sgml : 20181126
<ACCEPTANCE-DATETIME>20181126163445
ACCESSION NUMBER:		0001193125-18-333958
CONFORMED SUBMISSION TYPE:	424B5
PUBLIC DOCUMENT COUNT:		4
FILED AS OF DATE:		20181126
DATE AS OF CHANGE:		20181126

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ACADIA PHARMACEUTICALS INC
		CENTRAL INDEX KEY:			0001070494
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				061376651
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		424B5
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-228546
		FILM NUMBER:		181201185

	BUSINESS ADDRESS:	
		STREET 1:		3611 VALLEY CENTRE DRIVE
		STREET 2:		SUITE 300
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92130
		BUSINESS PHONE:		858-558-2871

	MAIL ADDRESS:	
		STREET 1:		3611 VALLEY CENTRE DRIVE
		STREET 2:		SUITE 300
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92130
</SEC-HEADER>
<DOCUMENT>
<TYPE>424B5
<SEQUENCE>1
<FILENAME>d659317d424b5.htm
<DESCRIPTION>424B5
<TEXT>
Document 1 - file: d659317d424b5.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g657610g97y90.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g657610g97y90.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g659317g61n94.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g659317g61n94.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g659317g97y90.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g659317g97y90.jpg

</DOCUMENT>
</SEC-DOCUMENT>