<SEC-DOCUMENT>0001104659-20-013144-index.html : 20200210
<SEC-HEADER>0001104659-20-013144.hdr.sgml : 20200210
<ACCEPTANCE-DATETIME>20200210120141
ACCESSION NUMBER:		0001104659-20-013144
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20200210
DATE AS OF CHANGE:		20200210

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ROGERS CORP
		CENTRAL INDEX KEY:			0000084748
		STANDARD INDUSTRIAL CLASSIFICATION:	PLASTICS, MATERIALS, SYNTH RESINS & NONVULCAN ELASTOMERS [2821]
		IRS NUMBER:				060513860
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-03750
		FILM NUMBER:		20590495

	BUSINESS ADDRESS:	
		STREET 1:		2225 W CHANDLER BLVD
		CITY:			CHANDLER
		STATE:			AZ
		ZIP:			85224
		BUSINESS PHONE:		480-917-6000

	MAIL ADDRESS:	
		STREET 1:		2225 W CHANDLER BLVD
		CITY:			CHANDLER
		STATE:			AZ
		ZIP:			85224

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
		CENTRAL INDEX KEY:			0001644956
		IRS NUMBER:				472614791
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		150 NORTH RIVERSIDE PLAZA
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606
		BUSINESS PHONE:		312-236-1600

	MAIL ADDRESS:	
		STREET 1:		150 NORTH RIVERSIDE PLAZA
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>tm207001d16_sc13ga.htm
<DESCRIPTION>SC 13G/A
<TEXT>
Document 1 - file: tm207001d16_sc13ga.htm

</DOCUMENT>
</SEC-DOCUMENT>