<SEC-DOCUMENT>0001315863-21-000232-index.html : 20210308
<SEC-HEADER>0001315863-21-000232.hdr.sgml : 20210308
<ACCEPTANCE-DATETIME>20210308125846
ACCESSION NUMBER:		0001315863-21-000232
CONFORMED SUBMISSION TYPE:	SC 13D
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20210308
DATE AS OF CHANGE:		20210308
GROUP MEMBERS:		JEREMY MINDICH
GROUP MEMBERS:		MATTHEW SIROVICH
GROUP MEMBERS:		SCOPIA MANAGEMENT, INC.

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			HARMONIC INC
		CENTRAL INDEX KEY:			0000851310
		STANDARD INDUSTRIAL CLASSIFICATION:	RADIO & TV BROADCASTING & COMMUNICATIONS EQUIPMENT [3663]
		IRS NUMBER:				770201147
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-45299
		FILM NUMBER:		21721369

	BUSINESS ADDRESS:	
		STREET 1:		4300 NORTH FIRST STREET
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95134
		BUSINESS PHONE:		4084906242

	MAIL ADDRESS:	
		STREET 1:		4300 NORTH FIRST STREET
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95134

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	HARMONIC LIGHTWAVES INC
		DATE OF NAME CHANGE:	19950404

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SCOPIA CAPITAL MANAGEMENT LP
		CENTRAL INDEX KEY:			0001279150
		IRS NUMBER:				300711986
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D

	BUSINESS ADDRESS:	
		STREET 1:		152 WEST 57TH STREET
		STREET 2:		33RD FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019
		BUSINESS PHONE:		212-370-0303

	MAIL ADDRESS:	
		STREET 1:		152 WEST 57TH STREET
		STREET 2:		33RD FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SCOPIA CAPITAL MANAGEMENT LLC
		DATE OF NAME CHANGE:	20130211

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SCOPIA FUND MANAGEMENT LLC
		DATE OF NAME CHANGE:	20130116

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SCOPIA FUND MANAGEMENT, LLC
		DATE OF NAME CHANGE:	20120410
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13D
<SEQUENCE>1
<FILENAME>sc_13d_harmonic.htm
<TEXT>
Document 1 - file: sc_13d_harmonic.htm

</DOCUMENT>
</SEC-DOCUMENT>