<SEC-DOCUMENT>0000919574-20-001578-index.html : 20200214
<SEC-HEADER>0000919574-20-001578.hdr.sgml : 20200214
<ACCEPTANCE-DATETIME>20200214141940
ACCESSION NUMBER:		0000919574-20-001578
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20200214
DATE AS OF CHANGE:		20200214

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:			0229

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-78578
		FILM NUMBER:		20617954

	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 L.P.
		CENTRAL INDEX KEY:			0001720792
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		9 WEST 57TH STREET
		STREET 2:		SUITE 5000
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019
		BUSINESS PHONE:		212-832-5280

	MAIL ADDRESS:	
		STREET 1:		9 WEST 57TH STREET
		STREET 2:		SUITE 5000
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>d8478412_13g-a.htm
<TEXT>
Document 1 - file: d8478412_13g-a.htm

</DOCUMENT>
</SEC-DOCUMENT>