<SEC-DOCUMENT>0001140361-22-032970-index.html : 20220909
<SEC-HEADER>0001140361-22-032970.hdr.sgml : 20220909
<ACCEPTANCE-DATETIME>20220909214839
ACCESSION NUMBER:		0001140361-22-032970
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20220908
FILED AS OF DATE:		20220909
DATE AS OF CHANGE:		20220909

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			VIKING GLOBAL INVESTORS LP
		CENTRAL INDEX KEY:			0001103804
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-41199
		FILM NUMBER:		221237258

	BUSINESS ADDRESS:	
		STREET 1:		55 RAILROAD AVENUE
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06830
		BUSINESS PHONE:		212-672-7050

	MAIL ADDRESS:	
		STREET 1:		55 RAILROAD AVENUE
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06830

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			HALVORSEN OLE ANDREAS
		CENTRAL INDEX KEY:			0001133006

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-41199
		FILM NUMBER:		221237253

	MAIL ADDRESS:	
		STREET 1:		C/O VIKING GLOBAL INVESTORS LP
		STREET 2:		280 PARK AVE 35TH
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Ott David C.
		CENTRAL INDEX KEY:			0001621842

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-41199
		FILM NUMBER:		221237252

	MAIL ADDRESS:	
		STREET 1:		C/O VIKING GLOBAL INVESTORS LP
		STREET 2:		280 PARK AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Viking Global Opportunities Portfolio GP LLC
		CENTRAL INDEX KEY:			0001629472
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-41199
		FILM NUMBER:		221237256

	BUSINESS ADDRESS:	
		STREET 1:		55 RAILROAD AVENUE
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06830
		BUSINESS PHONE:		203-863-5000

	MAIL ADDRESS:	
		STREET 1:		55 RAILROAD AVENUE
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06830

	FORMER NAME:	
		FORMER CONFORMED NAME:	VGO Portfolio GP LLC
		DATE OF NAME CHANGE:	20141230

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			DRAGSA 96 LLC
		CENTRAL INDEX KEY:			0001904854
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-41199
		FILM NUMBER:		221237250

	BUSINESS ADDRESS:	
		STREET 1:		55 RAILROAD AVE.
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06830
		BUSINESS PHONE:		205-863-5000

	MAIL ADDRESS:	
		STREET 1:		55 RAILROAD AVE.
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06830

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Viking Global Opportunities Illiquid Investments Sub-Master LP
		CENTRAL INDEX KEY:			0001629482
		STATE OF INCORPORATION:			E9
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-41199
		FILM NUMBER:		221237257

	BUSINESS ADDRESS:	
		STREET 1:		MORGAN STANLEY SERVICES (CAYMAN)
		STREET 2:		CRICKET SQ., HUTCHINS DR., P.O. BOX 2681
		CITY:			GRAND CAYMAN
		STATE:			E9
		ZIP:			KY1-1111
		BUSINESS PHONE:		441-295-9166

	MAIL ADDRESS:	
		STREET 1:		MORGAN STANLEY SERVICES (CAYMAN)
		STREET 2:		CRICKET SQ., HUTCHINS DR., P.O. BOX 2681
		CITY:			GRAND CAYMAN
		STATE:			E9
		ZIP:			KY1-1111

	FORMER NAME:	
		FORMER CONFORMED NAME:	VGO Illiquid Investments Sub-Master LP
		DATE OF NAME CHANGE:	20141230

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Viking Global Opportunities GP LLC
		CENTRAL INDEX KEY:			0001629476
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-41199
		FILM NUMBER:		221237255

	BUSINESS ADDRESS:	
		STREET 1:		55 RAILROAD AVENUE
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06830
		BUSINESS PHONE:		203-863-5000

	MAIL ADDRESS:	
		STREET 1:		55 RAILROAD AVENUE
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06830

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Shabet Rose Sharon
		CENTRAL INDEX KEY:			0001711393

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-41199
		FILM NUMBER:		221237251

	MAIL ADDRESS:	
		STREET 1:		C/O VIKING GLOBAL INVESTORS LP
		STREET 2:		280 PARK AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Viking Global Opportunities Parent GP LLC
		CENTRAL INDEX KEY:			0001886738
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-41199
		FILM NUMBER:		221237254

	BUSINESS ADDRESS:	
		STREET 1:		55 RAILROAD AVE
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06830
		BUSINESS PHONE:		203-863-5000

	MAIL ADDRESS:	
		STREET 1:		55 RAILROAD AVE
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06830

ISSUER:		

	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

	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
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form4.xml
<DESCRIPTION>FORM 4
<TEXT>
Document 1 - file: form4.html
Document 1 - RAW XML: form4.xml
</DOCUMENT> </SEC-DOCUMENT>