<SEC-DOCUMENT>0001193125-20-038336-index.html : 20200214
<SEC-HEADER>0001193125-20-038336.hdr.sgml : 20200214
<ACCEPTANCE-DATETIME>20200214162528
ACCESSION NUMBER:		0001193125-20-038336
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		4
FILED AS OF DATE:		20200214
DATE AS OF CHANGE:		20200214
GROUP MEMBERS:		IVY INVESTMENT MANAGEMENT CO

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			RAMBUS INC
		CENTRAL INDEX KEY:			0000917273
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				943112828
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-53267
		FILM NUMBER:		20620469

	BUSINESS ADDRESS:	
		STREET 1:		1050 ENTERPRISE WAY, SUITE 700
		CITY:			SUNNYVALE
		STATE:			CA
		ZIP:			94089
		BUSINESS PHONE:		408-462-8000

	MAIL ADDRESS:	
		STREET 1:		1050 ENTERPRISE WAY, SUITE 700
		CITY:			SUNNYVALE
		STATE:			CA
		ZIP:			94089

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			WADDELL & REED FINANCIAL INC
		CENTRAL INDEX KEY:			0001052100
		STANDARD INDUSTRIAL CLASSIFICATION:	SECURITY BROKERS, DEALERS & FLOTATION COMPANIES [6211]
		IRS NUMBER:				510261715
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		6300 LAMAR AVE
		CITY:			OVERLAND PARK
		STATE:			KS
		ZIP:			66202-4200
		BUSINESS PHONE:		9132362000

	MAIL ADDRESS:	
		STREET 1:		PO BOX 29217
		CITY:			SHAWNEE MISSION
		STATE:			KS
		ZIP:			66201-9217
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>d875318dsc13ga.htm
<DESCRIPTION>RAMBUS INC.
<TEXT>
Document 1 - file: d875318dsc13ga.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>d875318dex991.htm
<DESCRIPTION>JOINT FILING AGREEMENT
<TEXT>
Document 2 - file: d875318dex991.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.2
<SEQUENCE>3
<FILENAME>d875318dex992.htm
<DESCRIPTION>IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED THE SECURITY
<TEXT>
Document 3 - file: d875318dex992.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.3
<SEQUENCE>4
<FILENAME>d875318dex993.htm
<DESCRIPTION>POWER OF ATTORNEY
<TEXT>
Document 4 - file: d875318dex993.htm

</DOCUMENT>
</SEC-DOCUMENT>