<SEC-DOCUMENT>0001104659-19-001582-index.html : 20190111
<SEC-HEADER>0001104659-19-001582.hdr.sgml : 20190111
<ACCEPTANCE-DATETIME>20190111130056
ACCESSION NUMBER:		0001104659-19-001582
CONFORMED SUBMISSION TYPE:	SC 13D/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20190111
DATE AS OF CHANGE:		20190111
GROUP MEMBERS:		ALEC N. LOTOWITZ
GROUP MEMBERS:		MAGNETAR CAPITAL PARTNERS LP
GROUP MEMBERS:		SUPERNOVA MANGEMENT LLC

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			FINISAR CORP
		CENTRAL INDEX KEY:			0001094739
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				943038428
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0429

	FILING VALUES:
		FORM TYPE:		SC 13D/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-58463
		FILM NUMBER:		19521966

	BUSINESS ADDRESS:	
		STREET 1:		1389 MOFFETT PARK DR
		CITY:			SUNNYVALE
		STATE:			CA
		ZIP:			94089
		BUSINESS PHONE:		4085481000

	MAIL ADDRESS:	
		STREET 1:		1389 MOFFETT PARK DR
		CITY:			SUNNYVALE
		STATE:			CA
		ZIP:			94089

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Magnetar Financial LLC
		CENTRAL INDEX KEY:			0001352851
		IRS NUMBER:				043818748
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A

	BUSINESS ADDRESS:	
		STREET 1:		1603 ORRINGTON AVE.
		STREET 2:		13TH FLOOR
		CITY:			EVANSTON
		STATE:			IL
		ZIP:			60201
		BUSINESS PHONE:		(847)905-4400

	MAIL ADDRESS:	
		STREET 1:		1603 ORRINGTON AVE.
		STREET 2:		13TH FLOOR
		CITY:			EVANSTON
		STATE:			IL
		ZIP:			60201
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13D/A
<SEQUENCE>1
<FILENAME>a19-2738_1sc13da.htm
<DESCRIPTION>SC 13D/A
<TEXT>
Document 1 - file: a19-2738_1sc13da.htm

</DOCUMENT>
</SEC-DOCUMENT>