<SEC-DOCUMENT>0000921895-17-000403-index.html : 20170214
<SEC-HEADER>0000921895-17-000403.hdr.sgml : 20170214
<ACCEPTANCE-DATETIME>20170214173934
ACCESSION NUMBER:		0000921895-17-000403
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20170214
DATE AS OF CHANGE:		20170214

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 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-81419
		FILM NUMBER:		17611067

	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:			Raging Capital Management, LLC
		CENTRAL INDEX KEY:			0001444376
		IRS NUMBER:				204306350
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		TEN PRINCETON AVENUE
		STREET 2:		PO BOX 228
		CITY:			ROCKY HILL
		STATE:			NJ
		ZIP:			08553-0228
		BUSINESS PHONE:		6099100954

	MAIL ADDRESS:	
		STREET 1:		TEN PRINCETON AVENUE
		STREET 2:		PO BOX 228
		CITY:			ROCKY HILL
		STATE:			NJ
		ZIP:			08553-0228
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>sc13ga107738068_02142017.htm
<DESCRIPTION>AMENDMENT NO. 1 TO SCHEDULE 13G
<TEXT>
Document 1 - file: sc13ga107738068_02142017.htm

</DOCUMENT>
</SEC-DOCUMENT>