<SEC-DOCUMENT>0000052388-21-000103-index.html : 20210211
<SEC-HEADER>0000052388-21-000103.hdr.sgml : 20210211
<ACCEPTANCE-DATETIME>20210211133453
ACCESSION NUMBER:		0000052388-21-000103
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20210211
DATE AS OF CHANGE:		20210211

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			RED ROBIN GOURMET BURGERS INC
		CENTRAL INDEX KEY:			0001171759
		STANDARD INDUSTRIAL CLASSIFICATION:	RETAIL-EATING PLACES [5812]
		IRS NUMBER:				841573084
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1227

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-78755
		FILM NUMBER:		21618438

	BUSINESS ADDRESS:	
		STREET 1:		6312 FIDDLER'S GREEN CIRCLE
		STREET 2:		SUITE 200 NORTH
		CITY:			GREENWOOD VILLAGE
		STATE:			CO
		ZIP:			80111
		BUSINESS PHONE:		3038466000

	MAIL ADDRESS:	
		STREET 1:		6312 FIDDLER'S GREEN CIRCLE
		STREET 2:		SUITE 200 NORTH
		CITY:			GREENWOOD VILLAGE
		STATE:			CO
		ZIP:			80111

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			AMERICAN CENTURY INVESTMENT MANAGEMENT INC
		CENTRAL INDEX KEY:			0000052388
		STANDARD INDUSTRIAL CLASSIFICATION:	UNKNOWN SIC - 0000 [0000]
		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>redrobin13g-a2.htm
<DESCRIPTION>SC 13G/A
<TEXT>
Document 1 - file: redrobin13g-a2.htm

</DOCUMENT>
</SEC-DOCUMENT>