<SEC-DOCUMENT>0001193125-15-046970-index.html : 20150212
<SEC-HEADER>0001193125-15-046970.hdr.sgml : 20150212
<ACCEPTANCE-DATETIME>20150212165829
ACCESSION NUMBER:		0001193125-15-046970
CONFORMED SUBMISSION TYPE:	SC 13G
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20150212
DATE AS OF CHANGE:		20150212

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			WILLIAM LYON HOMES
		CENTRAL INDEX KEY:			0001095996
		STANDARD INDUSTRIAL CLASSIFICATION:	OPERATIVE BUILDERS [1531]
		IRS NUMBER:				330864902
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-61509
		FILM NUMBER:		15607172

	BUSINESS ADDRESS:	
		STREET 1:		4695 MACARTHUR COURT
		STREET 2:		8TH FLOOR
		CITY:			NEWPORT BEACH
		STATE:			CA
		ZIP:			92660
		BUSINESS PHONE:		9498333600

	MAIL ADDRESS:	
		STREET 1:		4695 MACARTHUR COURT
		STREET 2:		8TH FLOOR
		CITY:			NEWPORT BEACH
		STATE:			CA
		ZIP:			92660

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PRESLEY COMPANIES/NEW
		DATE OF NAME CHANGE:	19991115

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PRESLEY MERGER SUB INC
		DATE OF NAME CHANGE:	19990929

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			RS INVESTMENT MANAGEMENT CO LLC
		CENTRAL INDEX KEY:			0001085256
		IRS NUMBER:				943321067

	FILING VALUES:
		FORM TYPE:		SC 13G

	BUSINESS ADDRESS:	
		STREET 1:		ONE BUSH STREET
		STREET 2:		SUITE 900
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94104
		BUSINESS PHONE:		4155912700

	MAIL ADDRESS:	
		STREET 1:		ONE BUSH STREET
		STREET 2:		SUITE 900
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94104
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G
<SEQUENCE>1
<FILENAME>d872768dsc13g.htm
<DESCRIPTION>WILLIAM LYON HOMES
<TEXT>
Document 1 - file: d872768dsc13g.htm

</DOCUMENT>
</SEC-DOCUMENT>