<SEC-DOCUMENT>0001193125-20-117194-index.html : 20200423
<SEC-HEADER>0001193125-20-117194.hdr.sgml : 20200423
<ACCEPTANCE-DATETIME>20200423161705
ACCESSION NUMBER:		0001193125-20-117194
CONFORMED SUBMISSION TYPE:	SC 13G
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20200423
DATE AS OF CHANGE:		20200423
GROUP MEMBERS:		WUXI HEALTHCARE MANAGEMENT, LLC

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			IDEAYA Biosciences, Inc.
		CENTRAL INDEX KEY:			0001676725
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				474268251
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-91018
		FILM NUMBER:		20811217

	BUSINESS ADDRESS:	
		STREET 1:		7000 SHORELINE COURT, SUITE 350
		CITY:			SOUTH SAN FRANCISCO
		STATE:			CA
		ZIP:			94080
		BUSINESS PHONE:		650-443-6209

	MAIL ADDRESS:	
		STREET 1:		7000 SHORELINE COURT, SUITE 350
		CITY:			SOUTH SAN FRANCISCO
		STATE:			CA
		ZIP:			94080

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Ideaya Biosciences, Inc.
		DATE OF NAME CHANGE:	20160609

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			WuXi Healthcare Ventures II, L.P.
		CENTRAL INDEX KEY:			0001647651
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			E9
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G

	BUSINESS ADDRESS:	
		STREET 1:		C/O MAPLES CORPORATE SERVICES LIMITED
		STREET 2:		P.O. BOX 309, UGLAND HOUSE
		CITY:			GRAND CAYMAN
		STATE:			E9
		ZIP:			KY1-1104
		BUSINESS PHONE:		345-949-8066

	MAIL ADDRESS:	
		STREET 1:		C/O MAPLES CORPORATE SERVICES LIMITED
		STREET 2:		P.O. BOX 309, UGLAND HOUSE
		CITY:			GRAND CAYMAN
		STATE:			E9
		ZIP:			KY1-1104
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G
<SEQUENCE>1
<FILENAME>d884284dsc13g.htm
<DESCRIPTION>SC 13G
<TEXT>
Document 1 - file: d884284dsc13g.htm

</DOCUMENT>
</SEC-DOCUMENT>