<SEC-DOCUMENT>0001104659-15-010871-index.html : 20150218
<SEC-HEADER>0001104659-15-010871.hdr.sgml : 20150216
<ACCEPTANCE-DATETIME>20150217090255
ACCESSION NUMBER:		0001104659-15-010871
CONFORMED SUBMISSION TYPE:	13F-HR/A
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20140331
FILED AS OF DATE:		20150217
DATE AS OF CHANGE:		20150217
EFFECTIVENESS DATE:		20150217

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/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	028-11800
		FILM NUMBER:		15618275

	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/A
<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>a15-4493_3informationtable.xml
<DESCRIPTION>INFORMATION TABLE
<TEXT>
Document 2 - file: a15-4493_3informationtable.html

Document 2 - RAW XML: a15-4493_3informationtable.xml

</DOCUMENT>
</SEC-DOCUMENT>