<SEC-DOCUMENT>0001193125-22-177148-index.html : 20220621
<SEC-HEADER>0001193125-22-177148.hdr.sgml : 20220621
<ACCEPTANCE-DATETIME>20220621090729
ACCESSION NUMBER:		0001193125-22-177148
CONFORMED SUBMISSION TYPE:	SC 13G
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20220621
DATE AS OF CHANGE:		20220621
GROUP MEMBERS:		JOSEPH EDELMAN
GROUP MEMBERS:		PERCEPTIVE LIFE SCIENCES MASTER FUND, LTD

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Amylyx Pharmaceuticals, Inc.
		CENTRAL INDEX KEY:			0001658551
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				464600503
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-93265
		FILM NUMBER:		221026306

	BUSINESS ADDRESS:	
		STREET 1:		43 THORNDIKE STREET
		CITY:			CAMBRIDGE
		STATE:			MA
		ZIP:			02141
		BUSINESS PHONE:		617-683-0917

	MAIL ADDRESS:	
		STREET 1:		43 THORNDIKE STREET
		CITY:			CAMBRIDGE
		STATE:			MA
		ZIP:			02141

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PERCEPTIVE ADVISORS LLC
		CENTRAL INDEX KEY:			0001224962
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G

	BUSINESS ADDRESS:	
		STREET 1:		51 ASTOR PLACE, 10TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10003
		BUSINESS PHONE:		646-205-5300

	MAIL ADDRESS:	
		STREET 1:		51 ASTOR PLACE, 10TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10003
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G
<SEQUENCE>1
<FILENAME>d317884dsc13g.htm
<DESCRIPTION>SC 13G
<TEXT>
Document 1 - file: d317884dsc13g.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-1
<SEQUENCE>2
<FILENAME>d317884dex1.htm
<DESCRIPTION>EX-1
<TEXT>
Document 2 - file: d317884dex1.htm

</DOCUMENT>
</SEC-DOCUMENT>