<SEC-DOCUMENT>0000919574-18-001298-index.html : 20180214
<SEC-HEADER>0000919574-18-001298.hdr.sgml : 20180214
<ACCEPTANCE-DATETIME>20180213180631
ACCESSION NUMBER:		0000919574-18-001298
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20180214
DATE AS OF CHANGE:		20180213

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CARMAX INC
		CENTRAL INDEX KEY:			0001170010
		STANDARD INDUSTRIAL CLASSIFICATION:	RETAIL-AUTO DEALERS & GASOLINE STATIONS [5500]
		IRS NUMBER:				541821055
		STATE OF INCORPORATION:			VA
		FISCAL YEAR END:			0228

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-78578
		FILM NUMBER:		18605554

	BUSINESS ADDRESS:	
		STREET 1:		12800 TUCKAHOE CREEK PARKWAY
		CITY:			RICHMOND
		STATE:			VA
		ZIP:			23238
		BUSINESS PHONE:		(804) 747-0422

	MAIL ADDRESS:	
		STREET 1:		12800 TUCKAHOE CREEK PARKWAY
		CITY:			RICHMOND
		STATE:			VA
		ZIP:			23238

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			RUANE, CUNNIFF & GOLDFARB INC
		CENTRAL INDEX KEY:			0000728014
		IRS NUMBER:				132628641
		STATE OF INCORPORATION:			DE

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		9W 57TH STREET
		STREET 2:		SUITE 5000
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019
		BUSINESS PHONE:		2128325280

	MAIL ADDRESS:	
		STREET 1:		9W 57TH STREET
		STREET 2:		SUITE 5000
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	RUANE CUNNIFF & CO INC
		DATE OF NAME CHANGE:	19970618
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>d7816550_13g-a.htm
<TEXT>
Document 1 - file: d7816550_13g-a.htm

</DOCUMENT>
</SEC-DOCUMENT>