<SEC-DOCUMENT>0001341004-16-001448-index.html : 20160525
<SEC-HEADER>0001341004-16-001448.hdr.sgml : 20160525
<ACCEPTANCE-DATETIME>20160525151758
ACCESSION NUMBER:		0001341004-16-001448
CONFORMED SUBMISSION TYPE:	SC 13D/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20160525
DATE AS OF CHANGE:		20160525
GROUP MEMBERS:		CHARLES R. KAYE
GROUP MEMBERS:		JOSEPH P. LANDY
GROUP MEMBERS:		WARBURG PINCUS & CO.
GROUP MEMBERS:		WARBURG PINCUS IX GP L.P.
GROUP MEMBERS:		WARBURG PINCUS LLC
GROUP MEMBERS:		WARBURG PINCUS PARTNERS GP LLC
GROUP MEMBERS:		WARBURG PINCUS PARTNERS L.P.
GROUP MEMBERS:		WPP GP LLC

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Builders FirstSource, Inc.
		CENTRAL INDEX KEY:			0001316835
		STANDARD INDUSTRIAL CLASSIFICATION:	RETAIL-LUMBER & OTHER BUILDING MATERIALS DEALERS [5211]
		IRS NUMBER:				522084569
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-81419
		FILM NUMBER:		161674485

	BUSINESS ADDRESS:	
		STREET 1:		2001 BRYAN STREET, SUITE 1600
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75201
		BUSINESS PHONE:		(214) 880-3500

	MAIL ADDRESS:	
		STREET 1:		2001 BRYAN STREET, SUITE 1600
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75201

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Warburg Pincus Private Equity IX, L.P.
		CENTRAL INDEX KEY:			0001332737
		IRS NUMBER:				202975990
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A

	BUSINESS ADDRESS:	
		STREET 1:		C/O WARBURG PINCUS LLC
		STREET 2:		450 LEXINGTON AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017
		BUSINESS PHONE:		212-878-0600

	MAIL ADDRESS:	
		STREET 1:		C/O WARBURG PINCUS LLC
		STREET 2:		450 LEXINGTON AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13D/A
<SEQUENCE>1
<FILENAME>sc13d-a9.htm
<DESCRIPTION>SCHEDULE 13D, AMENDMENT NO. 9
<TEXT>
Document 1 - file: sc13d-a9.htm

</DOCUMENT>
</SEC-DOCUMENT>