-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 ApTW6CFz0Tp7CyF2dFxWqw==

<SEC-DOCUMENT>0000820289-10-000015.txt : 20100212
<SEC-HEADER>0000820289-10-000015.hdr.sgml : 20100212
<ACCEPTANCE-DATETIME>20100212160121
ACCESSION NUMBER:		0000820289-10-000015
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20100212
DATE AS OF CHANGE:		20100212

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			QUESTCOR PHARMACEUTICALS INC
		CENTRAL INDEX KEY:			0000891288
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				330476164
		STATE OF INCORPORATION:			CA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-43062
		FILM NUMBER:		10599165

	BUSINESS ADDRESS:	
		STREET 1:		3260 WHIPPLE ROAD
		CITY:			UNION CITY
		STATE:			CA
		ZIP:			94587-1217
		BUSINESS PHONE:		5104000700

	MAIL ADDRESS:	
		STREET 1:		3260 WHIPPLE ROAD
		CITY:			UNION CITY
		STATE:			CA
		ZIP:			94587-1217

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CYPROS PHARMACEUTICAL CORP
		DATE OF NAME CHANGE:	19930328

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			FRIESS ASSOCIATES LLC
		CENTRAL INDEX KEY:			0000820289
		IRS NUMBER:				830334121

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		115 E. SNOW KING
		CITY:			JACKSON HOLE
		STATE:			WY
		ZIP:			83001
		BUSINESS PHONE:		307-739-9699

	MAIL ADDRESS:	
		STREET 1:		115 E. SNOW KING
		CITY:			JACKSON HOLE
		STATE:			WY
		ZIP:			83001

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FRIESS ASSOCIATES INC
		DATE OF NAME CHANGE:	19990326
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>doc13_13ga-2009.txt
<DESCRIPTION>13G/A 2009 FRIESS ASSOCIATES
<TEXT>
Amendment No. 1

Name of Issuer:
	Questcor Pharm.

Type or Class of Security:
	Common

CUSIP Number:
	74835Y101

1.  Name of Reporting Person
    S.S. or I.R.S. Identification No. of Above Person

	Friess Associates LLC    83-0334121

2.  Check the Appropriate Box if a Member of a Group

	(a)
	(b)

3.  SEC Use Only


4.  Citizenship or Place of Organization

	115 E. Snow King
	Jackson, WY 83001

5.  Sole Voting Power

	0

6.  Shared Voting Power

	n/a

7.  Sole Dispositive Power

	0

8.  Shared Dispositive Power

	n/a

9.  Aggregate Amount Beneficially Owned by Each Reporting Person

	0

10. Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares

	n/a

11. Percent of Class Represented by amount in #9

	0.0

12. Type of Reporting Person

	I.A.

By signing below I certify that, to the best of my knowledge and belief,
the securities referred to above were acquired in the ordinary course of
business and were not acquired for the purpose of and do not have the
effect of changing or influencing the control of the issuer of such
securities and were not acquired in connection with or as a participant in
any transaction having such purposes or effect.

Signature

After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete
and correct.

February 12, 2010


William F. D'Alonzo
CEO
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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