<SEC-DOCUMENT>0001104659-18-068288-index.html : 20181114
<SEC-HEADER>0001104659-18-068288.hdr.sgml : 20181114
<ACCEPTANCE-DATETIME>20181114090957
ACCESSION NUMBER:		0001104659-18-068288
CONFORMED SUBMISSION TYPE:	13F-HR
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20180930
FILED AS OF DATE:		20181114
DATE AS OF CHANGE:		20181114
EFFECTIVENESS DATE:		20181114

FILER:

	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:		13F-HR
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	028-11800
		FILM NUMBER:		181180647

	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>13F-HR
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
Document 1 - file: primary_doc.html
Document 1 - RAW XML: primary_doc.xml
</DOCUMENT> <DOCUMENT> <TYPE>INFORMATION TABLE <SEQUENCE>2 <FILENAME>a18-40108_1informationtable.xml <DESCRIPTION>INFORMATION TABLE <TEXT> Document 2 - file: a18-40108_1informationtable.html
Document 2 - RAW XML: a18-40108_1informationtable.xml
</DOCUMENT> </SEC-DOCUMENT>