<SEC-DOCUMENT>0000052388-24-000101-index.html : 20240212
<SEC-HEADER>0000052388-24-000101.hdr.sgml : 20240212
<ACCEPTANCE-DATETIME>20240212115845
ACCESSION NUMBER:		0000052388-24-000101
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20240212
DATE AS OF CHANGE:		20240212

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BEACON ROOFING SUPPLY INC
		CENTRAL INDEX KEY:			0001124941
		STANDARD INDUSTRIAL CLASSIFICATION:	WHOLESALE-LUMBER & OTHER CONSTRUCTION MATERIALS [5030]
		ORGANIZATION NAME:           	07 Trade & Services
		IRS NUMBER:				364173371
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-80234
		FILM NUMBER:		24618391

	BUSINESS ADDRESS:	
		STREET 1:		505 HUNTMAR PARK DRIVE
		STREET 2:		SUITE 300
		CITY:			HERNDON
		STATE:			VA
		ZIP:			20170
		BUSINESS PHONE:		571-323-3939

	MAIL ADDRESS:	
		STREET 1:		505 HUNTMAR PARK DRIVE
		STREET 2:		SUITE 300
		CITY:			HERNDON
		STATE:			VA
		ZIP:			20170

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			AMERICAN CENTURY INVESTMENT MANAGEMENT INC
		CENTRAL INDEX KEY:			0000052388
		STANDARD INDUSTRIAL CLASSIFICATION:	UNKNOWN SIC - 0000 [0000]
		ORGANIZATION NAME:           	
		IRS NUMBER:				440640487
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		4500 MAIN STREET
		CITY:			KANSAS CITY
		STATE:			MO
		ZIP:			64111
		BUSINESS PHONE:		816-531-5575

	MAIL ADDRESS:	
		STREET 1:		4500 MAIN STREET
		CITY:			KANSAS CITY
		STATE:			MO
		ZIP:			64111

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	INVESTORS RESEARCH CORP
		DATE OF NAME CHANGE:	19920929
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>beaconroofing13g-a2.htm
<DESCRIPTION>SC 13G/A
<TEXT>
Document 1 - file: beaconroofing13g-a2.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>image_0a.jpg
<TEXT>
Document 2 - file: image_0a.jpg

</DOCUMENT>
</SEC-DOCUMENT>