<SEC-DOCUMENT>0000905148-23-000959-index.html : 20230921
<SEC-HEADER>0000905148-23-000959.hdr.sgml : 20230921
<ACCEPTANCE-DATETIME>20230921170012
ACCESSION NUMBER:		0000905148-23-000959
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20230919
FILED AS OF DATE:		20230921
DATE AS OF CHANGE:		20230921

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:	001-41799
		FILM NUMBER:		231269658

	BUSINESS ADDRESS:	
		STREET 1:		600 WASHINGTON BLVD.
		STREET 2:		FLOOR 11
		CITY:			STAMFORD
		STATE:			CT
		ZIP:			06901
		BUSINESS PHONE:		212-672-7050

	MAIL ADDRESS:	
		STREET 1:		600 WASHINGTON BLVD.
		STREET 2:		FLOOR 11
		CITY:			STAMFORD
		STATE:			CT
		ZIP:			06901

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:	001-41799
		FILM NUMBER:		231269653

	MAIL ADDRESS:	
		STREET 1:		600 WASHINGTON BLVD.
		STREET 2:		FLOOR 11
		CITY:			STAMFORD
		STATE:			CT
		ZIP:			06901

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:	001-41799
		FILM NUMBER:		231269652

	MAIL ADDRESS:	
		STREET 1:		600 WASHINGTON BLVD.
		STREET 2:		FLOOR 11
		CITY:			STAMFORD
		STATE:			CT
		ZIP:			06901

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:	001-41799
		FILM NUMBER:		231269651

	MAIL ADDRESS:	
		STREET 1:		600 WASHINGTON BLVD.
		STREET 2:		FLOOR 11
		CITY:			STAMFORD
		STATE:			CT
		ZIP:			06901

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Viking Global Opportunities Drawdown (Aggregator) LP
		CENTRAL INDEX KEY:			0001993659
		STATE OF INCORPORATION:			E9
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-41799
		FILM NUMBER:		231269654

	BUSINESS ADDRESS:	
		STREET 1:		600 WASHINGTON BLVD.
		STREET 2:		FLOOR 11
		CITY:			STAMFORD
		STATE:			CT
		ZIP:			06901
		BUSINESS PHONE:		(203) 863-7050

	MAIL ADDRESS:	
		STREET 1:		600 WASHINGTON BLVD.
		STREET 2:		FLOOR 11
		CITY:			STAMFORD
		STATE:			CT
		ZIP:			06901

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:	001-41799
		FILM NUMBER:		231269657

	BUSINESS ADDRESS:	
		STREET 1:		600 WASHINGTON BLVD.
		STREET 2:		FLOOR 11
		CITY:			STAMFORD
		STATE:			CT
		ZIP:			06901
		BUSINESS PHONE:		2126727000

	MAIL ADDRESS:	
		STREET 1:		600 WASHINGTON BLVD.
		STREET 2:		FLOOR 11
		CITY:			STAMFORD
		STATE:			CT
		ZIP:			06901

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Viking Global Opportunities Drawdown Portfolio GP LLC
		CENTRAL INDEX KEY:			0001993522
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-41799
		FILM NUMBER:		231269655

	BUSINESS ADDRESS:	
		STREET 1:		600 WASHINGTON BLVD.
		STREET 2:		FLOOR 11
		CITY:			STAMFORD
		STATE:			CT
		ZIP:			06901
		BUSINESS PHONE:		(203) 863-7050

	MAIL ADDRESS:	
		STREET 1:		600 WASHINGTON BLVD.
		STREET 2:		FLOOR 11
		CITY:			STAMFORD
		STATE:			CT
		ZIP:			06901

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Viking Global Opportunities Drawdown GP LLC
		CENTRAL INDEX KEY:			0001993658
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-41799
		FILM NUMBER:		231269656

	BUSINESS ADDRESS:	
		STREET 1:		600 WASHINGTON BLVD.
		STREET 2:		FLOOR 11
		CITY:			STAMFORD
		STATE:			CT
		ZIP:			06901
		BUSINESS PHONE:		(203) 863-7050

	MAIL ADDRESS:	
		STREET 1:		600 WASHINGTON BLVD.
		STREET 2:		FLOOR 11
		CITY:			STAMFORD
		STATE:			CT
		ZIP:			06901

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			RayzeBio, Inc.
		CENTRAL INDEX KEY:			0001825367
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		5505 MOREHOUSE DRIVE, SUITE 300
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92121
		BUSINESS PHONE:		(619) 937-2754

	MAIL ADDRESS:	
		STREET 1:		5505 MOREHOUSE DRIVE, SUITE 300
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92121
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form4.xml
<TEXT>
Document 1 - file: form4.html

Document 1 - RAW XML: form4.xml

</DOCUMENT>
</SEC-DOCUMENT>