Lonestar Capital Management LLC – ‘13F-HR’ for 3/31/13

On:  Wednesday, 5/15/13, at 4:10pm ET   ·   Effective:  5/15/13   ·   For:  3/31/13   ·   Accession #:  1422107-13-83   ·   File #:  28-11133

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Quarterly Holdings and Combination Report by a Money Manager   —   Form 13F
Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 13F-HR      Quarterly Holdings and Combination Report by a         3     11K 
                Money Manager                                                    

13F-HR
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UNITED STATES 
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

Form 13F

FORM 13F COVER PAGE 

Report for the Calendar Year or Quarter Ended: March 31, 2013                   

Check here if Amendment [  ]; Amendment Number:                                 
This Amendment (Check only one.):     [  ] is a restatement.                    
                           [  ] adds new holdings entries.

Institutional Investment Manager Filing this Report:                            

Name:      Lonestar Capital Management, LLC                                     
Address:   One Maritime Plaza, Suite 1105                                       
San Francisco, CA 94111                                   

Form 13F File Number: 28-11133                                                  

The  institutional  investment manager filing this report and the person by whom
it  is  signed hereby represent that the person signing the report is authorized
to  submit  it,  that  all  information  contained  herein  is true, correct and
complete,  and  that  it  is  understood  that  all  required items, statements,
schedules,  lists,  and  tables,  are  considered  integral  parts of this form.

Person Signing this Report on Behalf of Reporting Manager:                      

Name:     Yedi Wong                                                             
Title:    Chief Financial Officer                                               
Phone:    (415) 362-7677                                                        

Signature, Place, and Date of Signing:                                          

/s/ Yedi Wong                San Francisco, CA               May 15, 2013     
--------------                                                                  
Yedi Wong                                                                       

Report Type (Check only one.):                                                  

[X]  13F  HOLDINGS REPORT. (Check here if all holdings of this reporting manager
are  reported  in  this  report.)                                               

[  ] 13F NOTICE. (Check here if no holdings reported are in this report, and all
holdings  are  reported  by  other  reporting  manager(s).)                     

[  ]  13F  COMBINATION REPORT. (Check here if a portion of the holdings for this
reporting  manager  are  reported  in  this report and a portion are reported by
other  reporting  manager(s).)                                                  

13F-HR
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FORM 13F SUMMARY PAGE                 
Report Summary:                                                                 

Number of Other Included Managers:          0                                   

Form 13F Information Table Entry Total:     32                                  

Form 13F Information Table Value Total:     $831,302                            
                   (thousands)

List of Other Included Managers:                                                

Provide  a  numbered  list  of  the  name(s)  and Form 13F file number(s) of all
institutional  investment  managers  with respect to which this report is filed,
other  than  the  manager  filing  this  report.                                

NONE                                                                            

13F-HR
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                                                        [Enlarge/Download Table]
                                                     FORM 13F INFORMATION TABLE                                                     

                                                         VALUE      SHARES/   SH/  PUT/ INVSTMT  OTHER        VOTING AUTHORITY      
NAME OF ISSUER          TITLE OF CLASS         CUSIP    (x$1000)    PRN AMT   PRN  CALL DSCRETN MANAGERS   SOLE      SHARED     NONE
--------------          --------------       ---------   -------    -------   ---  ---- ------- --------   -----     ------     ----
                                                                                                                                    
APPLE INC                    COM              037833100   44,266       1,000   SH  CALL                       1,000                 
BARCLAYS BK PLC              IPATH S&P500 VIX 06740C188   10,125     500,000   SH                           500,000                 
CINCINNATI BELL INC NEW      COM              171871106    5,542   1,700,000   SH                         1,700,000                 
COMPUWARE CORP               COM              205638109    3,747     300,000   SH                           300,000                 
COMVERSE INC                 COM              20585P105    7,010     250,000   SH                           250,000                 
DELL INC                     COM              24702R101   25,078      17,500   SH  CALL                      17,500                 
DELL INC                     COM              24702R101   14,330      10,000   SH  CALL                      10,000                 
DIGITAL GENERATION INC       COM              25400B108    2,247     350,000   SH                           350,000                 
DISCOVERY COMMUNICATNS NEW   COM SER C        25470F302   43,463     625,000   SH                           625,000                 
GRAPHIC PACKAGING HLDG CO    COM              388689101   24,508   3,272,079   SH                         3,272,079                 
HERTZ GLOBAL HOLDINGS INC    COM              42805T105   17,808     800,000   SH                           800,000                 
ISHARES TR                   RUSSELL 2000     464287655   94,430      10,000   SH  PUT                       10,000                 
KINROSS GOLD CORP            COM NO PAR       496902404    3,965     500,000   SH                           500,000                 
LSB INDS INC                 COM              502160104    9,377     269,618   SH                           269,618                 
MOSAIC CO NEW                COM              61945C103    5,961     100,000   SH                           100,000                 
MOSAIC CO NEW                COM              61945C103   23,844       4,000   SH  CALL                       4,000                 
MURPHY OIL CORP              COM              626717102   14,021     220,000   SH                           220,000                 
NATIONSTAR MTG HLDGS INC     COM              63861C109    2,214      60,000   SH                            60,000                 
PETROBRAS ARGENTINA S A      SPONS ADR        71646J109    3,781     799,300   SH                           799,300                 
POWERSHARES QQQ TRUST        UNIT SER 1       73935A104   68,970      10,000   SH  PUT                       10,000                 
REDWOOD TR INC               COM              758075402   17,385     750,000   SH                           750,000                 
RITE AID CORP                COM              767754104   43,700  23,000,000   SH                        23,000,000                 
RITE AID CORP                COM              767754104    5,700      30,000   SH  CALL                      30,000                 
SANOFI                       RIGHT 12/31/2020 80105N113    3,580   2,000,000   SH                         2,000,000                 
SPDR GOLD TRUST              GOLD SHS         78463V107   49,430     320,000   SH                           320,000                 
SPDR GOLD TRUST              GOLD SHS         78463V107   77,235       5,000   SH  CALL                       5,000                 
SPDR S&P 500 ETF TR          TR UNIT          78462F103  109,669       7,000   SH  PUT                        7,000                 
SPDR S&P 500 ETF TR          TR UNIT          78462F103   47,001       3,000   SH  PUT                        3,000                 
SUNCOKE ENERGY PARTNERS L P  COMUNIT REP LT   86722Y101   18,392     880,000   SH                           880,000                 
TALISMAN ENERGY INC          COM              87425E103   12,250   1,000,000   SH                         1,000,000                 
TEMPUR PEDIC INTL INC        COM              88023U101    4,963     100,000   SH                           100,000                 
VISTEON CORP                 COM NEW          92839U206   17,310     300,000   SH                           300,000                 

Dates Referenced Herein

				Referenced-On Page
This ‘13F-HR’ Filing		Date		First		Last			Other Filings
Filed on / Effective on:		5/15/13		1					None on these Dates
For Period end:		3/31/13		1
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