<SEC-DOCUMENT>0001104659-19-001362-index.html : 20190109
<SEC-HEADER>0001104659-19-001362.hdr.sgml : 20190109
<ACCEPTANCE-DATETIME>20190109120636
ACCESSION NUMBER:		0001104659-19-001362
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20190109
DATE AS OF CHANGE:		20190109

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			IROBOT CORP
		CENTRAL INDEX KEY:			0001159167
		STANDARD INDUSTRIAL CLASSIFICATION:	HOUSEHOLD APPLIANCES [3630]
		IRS NUMBER:				770259335
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-81476
		FILM NUMBER:		19517722

	BUSINESS ADDRESS:	
		STREET 1:		8 CROSBY DRIVE
		CITY:			BEDFORD
		STATE:			MA
		ZIP:			01730
		BUSINESS PHONE:		781-430-3000

	MAIL ADDRESS:	
		STREET 1:		8 CROSBY DRIVE
		CITY:			BEDFORD
		STATE:			MA
		ZIP:			01730

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PRIMECAP MANAGEMENT CO/CA/
		CENTRAL INDEX KEY:			0000763212
		IRS NUMBER:				953868081

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		177 EAST COLORADO BLVD.
		STREET 2:		11TH FLOOR
		CITY:			PASADENA
		STATE:			CA
		ZIP:			91105
		BUSINESS PHONE:		6263049222

	MAIL ADDRESS:	
		STREET 1:		177 EAST COLORADO BLVD.
		STREET 2:		11TH FLOOR
		CITY:			PASADENA
		STATE:			CA
		ZIP:			91105
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>a19-2217_2sc13ga.htm
<DESCRIPTION>SC 13G/A
<TEXT>
Document 1 - file: a19-2217_2sc13ga.htm

</DOCUMENT>
</SEC-DOCUMENT>