<SEC-DOCUMENT>0001104659-19-074741-index.html : 20191220
<SEC-HEADER>0001104659-19-074741.hdr.sgml : 20191220
<ACCEPTANCE-DATETIME>20191220102235
ACCESSION NUMBER:		0001104659-19-074741
CONFORMED SUBMISSION TYPE:	SC 13D/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20191220
DATE AS OF CHANGE:		20191220
GROUP MEMBERS:		ALEC N. LITOWITZ
GROUP MEMBERS:		MAGNETAR CAPITAL PARTNERS LP
GROUP MEMBERS:		SUPERNOVA MANAGEMENT LLC

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CARRIZO OIL & GAS INC
		CENTRAL INDEX KEY:			0001040593
		STANDARD INDUSTRIAL CLASSIFICATION:	CRUDE PETROLEUM & NATURAL GAS [1311]
		IRS NUMBER:				760415919
		STATE OF INCORPORATION:			TX
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-51465
		FILM NUMBER:		191298106

	BUSINESS ADDRESS:	
		STREET 1:		500 DALLAS STREET
		STREET 2:		SUITE 2300
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77002
		BUSINESS PHONE:		7133281000

	MAIL ADDRESS:	
		STREET 1:		500 DALLAS STREET
		STREET 2:		SUITE 2300
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77002

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>a19-26711_1sc13da.htm
<DESCRIPTION>SC 13D/A
<TEXT>
Document 1 - file: a19-26711_1sc13da.htm

</DOCUMENT>
</SEC-DOCUMENT>