The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

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

FORM 13F INFORMATION TABLE
OMB APPROVAL
OMB Number: 3235-0006
Estimated average burden
hours per response: 23.8
COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8
VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
ADTRAN INC COM 00738A906 2,136 87,500 SH Put DFND 1 0 87,500 0
BOYD GAMING CORP COM 103304101 24,856 1,883,000 SH   DFND 1 0 1,883,000 0
CIENA CORP COM NEW 171779AK7 3,184 140,000 SH Put DFND 1 0 140,000 0
COLONY FINL INC NOTE 3.875% 1/1 19624RAB2 1,800 1,750,000 PRN   DFND 1 0 1,750,000 0
COMPANHIA DE SANEAMENTO BASI SPONSORED ADR 20441A102 1,638 176,900 SH Call DFND 1 0 176,900 0
COMPANHIA DE SANEAMENTO BASI SPONSORED ADR 20441A102 46,156 4,984,495 SH   DFND 1 0 4,984,495 0
COMPUWARE CORP COM 205638109 77,176 7,350,093 SH   DFND 1 0 7,350,093 0
CONTINENTAL RESOURCES INC COM 212015101 10,041 80,800 SH Put DFND 1 0 80,800 0
CORMEDIX INC COM 21900C100 1,961 781,440 SH   DFND 1 0 781,440 0
CORMEDIX INC *W EXP 03/24/201 21900C118 7 390,720 SH   DFND 1 0 390,720 0
CORONADO BIOSCIENCES COM 21976U109 4,111 2,076,381 SH   DFND 1 0 2,076,381 0
DELPHI AUTOMOTIVE PLC SHS G27823106 6,443 94,945 SH   DFND 1 0 94,945 0
DYNEGY INC NEW DEL COM 26817R108 243 9,758 SH   DFND 1 0 9,758 0
EMULEX CORP COM NEW 292475209 15,972 2,161,253 SH   DFND 1 0 2,161,253 0
EQUINIX INC NOTE 3.000% 10/1 29444UAG1 7,079 4,375,000 PRN   DFND 1 0 4,375,000 0
FMC TECHNOLOGIES INC COM 30249U101 9,151 175,000 SH Put DFND 1 0 175,000 0
GAMESTOP CORP NEW CL A 36467W109 28,770 700,000 SH Put DFND 1 0 700,000 0
HARTFORD FINL SVCS GROUP INC *W EXP 06/26/201 416515120 5,132 192,500 SH   DFND 1 0 192,500 0
HESS CORP COM 42809H107 501,831 6,054,910 SH   DFND 1 0 6,054,910 0
HORNBECK OFFSHORE SVCS INC N COM 440543106 10,243 244,999 SH   DFND 1 0 244,999 0
ISHARES TR RUSSELL 2000 464287655 148,624 1,277,500 SH Put DFND 1 0 1,277,500 0
JUNIPER NETWORKS INC COM 48203R104 335,084 13,007,915 SH   DFND 1 0 13,007,915 0
LIBERTY GLOBAL PLC SHS CL A G548OU104 1,710 42,000 SH   DFND 1 0 42,000 0
MARKET VECTORS ETF TR SEMICONDUCTOR 57060U233 23,945 525,000 SH Put DFND 1 0 525,000 0
MERITOR INC NOTE 7.875% 3/0 59001KAC4 2,664 1,750,000 PRN   DFND 1 0 1,750,000 0
MICROCHIP TECHNOLOGY INC SDCV 2.125%12/1 595017AB0 3,247 1,750,000 PRN   DFND 1 0 1,750,000 0
NATIONAL BK HLDGS CORP CL A 633707104 25,362 1,263,654 SH   DFND 1 0 1,263,654 0
NEWMONT MINING CORP COM 651639106 4,315 184,100 SH Put DFND 1 0 184,100 0
NEWS CORP NEW CL B 65249B208 4,909 293,982 SH   DFND 1 0 293,982 0
ONE GAS INC COM 68235P108 822 22,822 SH   DFND 1 0 22,822 0
ONEOK INC NEW COM 682680103 5,423 91,529 SH   DFND 1 0 91,529 0
PINNACLE ENTMT INC COM 723456109 2,489 105,000 SH Call DFND 1 0 105,000 0
POWERSHARES QQQ TRUST UNIT SER 1 73935A104 81,822 933,300 SH Put DFND 1 0 933,300 0
RIVERBED TECHNOLOGY INC COM 768573107 101,521 5,150,756 SH   DFND 1 0 5,150,756 0
RYANAIR HLDGS PLC SPONSORED ADR 783513104 2,540 43,182 SH   DFND 1 0 43,182 0
SANDISK CORP NOTE 1.500% 8/1 80004CAD3 4,313 2,625,000 PRN   DFND 1 0 2,625,000 0
SELECT SECTOR SPDR TR SBI INT-ENERGY 81369Y506 42,393 476,000 SH Put DFND 1 0 476,000 0
SELECT SECTOR SPDR TR SBI INT-FINL 81369Y605 15,991 715,800 SH Put DFND 1 0 715,800 0
SELECT SECTOR SPDR TR SBI INT-INDS 81369Y704 21,298 407,000 SH Put DFND 1 0 407,000 0
SM ENERGY CO COM 78454L100 11,852 166,250 SH   DFND 1 0 166,250 0
SOLAZYME INC NOTE 6.000% 2/0 83415TAB7 405 264,000 PRN   DFND 1 0 264,000 0
SPDR SERIES TRUST S&P RETAIL ETF 78464A714 14,744 175,000 SH Put DFND 1 0 175,000 0
SPDR SERIES TRUST S&P OILGAS EXP 78464A730 25,141 350,000 SH Put DFND 1 0 350,000 0
SUNPOWER CORP DBCV 4.500% 3/1 867652AE9 2,652 1,750,000 PRN   DFND 1 0 1,750,000 0
TWENTY FIRST CENTY FOX INC CL B 90130A200 130,456 4,192,020 SH   DFND 1 0 4,192,020 0
WILLIAMS COS INC DEL COM 969457100 3,152 77,665 SH   DFND 1 0 77,665 0
ZIONS BANCORPORATION *W EXP 5/22/202 989701115 949 146,000 SH   DFND 1 0 146,000 0
ADTRAN INC COM 00738A906 3,967 162,500 SH Put DFND 2 0 162,500 0
BOYD GAMING CORP COM 103304101 46,160 3,497,000 SH   DFND 2 0 3,497,000 0
CIENA CORP COM NEW 171779AK7 5,912 260,000 SH Put DFND 2 0 260,000 0
COLONY FINL INC NOTE 3.875% 1/1 19624RAB2 3,343 3,250,000 PRN   DFND 2 0 3,250,000 0
COMPANHIA DE SANEAMENTO BASI SPONSORED ADR 20441A102 3,043 328,600 SH Call DFND 2 0 328,600 0
COMPANHIA DE SANEAMENTO BASI SPONSORED ADR 20441A102 85,719 9,256,914 SH   DFND 2 0 9,256,914 0
COMPUWARE CORP COM 205638109 143,324 13,649,907 SH   DFND 2 0 13,649,907 0
CONTINENTAL RESOURCES INC COM 212015101 18,653 150,100 SH Put DFND 2 0 150,100 0
CORONADO BIOSCIENCES COM 21976U109 3,277 1,654,898 SH   DFND 2 0 1,654,898 0
DELPHI AUTOMOTIVE PLC SHS G27823106 11,965 176,324 SH   DFND 2 0 176,324 0
DYNEGY INC NEW DEL COM 26817R108 365 14,637 SH   DFND 2 0 14,637 0
EMULEX CORP COM NEW 292475209 29,660 4,013,539 SH   DFND 2 0 4,013,539 0
EQUINIX INC NOTE 3.000% 10/1 29444UAG1 13,147 8,125,000 PRN   DFND 2 0 8,125,000 0
FMC TECHNOLOGIES INC COM 30249U101 16,994 325,000 SH Put DFND 2 0 325,000 0
GAMESTOP CORP NEW CL A 36467W109 53,430 1,300,000 SH Put DFND 2 0 1,300,000 0
HARTFORD FINL SVCS GROUP INC *W EXP 06/26/201 416515120 8,198 307,500 SH   DFND 2 0 307,500 0
HESS CORP COM 42809H107 931,993 11,245,090 SH   DFND 2 0 11,245,090 0
HORNBECK OFFSHORE SVCS INC N COM 440543106 19,024 455,001 SH   DFND 2 0 455,001 0
ISHARES TR RUSSELL 2000 464287655 276,017 2,372,500 SH Put DFND 2 0 2,372,500 0
JUNIPER NETWORKS INC COM 48203R104 622,302 24,157,685 SH   DFND 2 0 24,157,685 0
LIBERTY GLOBAL PLC SHS CL A G548OU104 3,175 78,000 SH   DFND 2 0 78,000 0
MARKET VECTORS ETF TR SEMICONDUCTOR 57060U233 44,470 975,000 SH Put DFND 2 0 975,000 0
MERITOR INC NOTE 7.875% 3/0 59001K100 4,948 3,250,000 PRN   DFND 2 0 3,250,000 0
MICROCHIP TECHNOLOGY INC SDCV 2.125%12/1 595017AB0 6,031 3,250,000 PRN   DFND 2 0 3,250,000 0
NATIONAL BK HLDGS CORP CL A 633707104 47,100 2,346,782 SH   DFND 2 0 2,346,782 0
NEWMONT MINING CORP COM 651639106 8,014 341,900 SH Put DFND 2 0 341,900 0
NEWS CORP NEW CL B 65249B208 8,191 490,498 SH   DFND 2 0 490,498 0
ONE GAS INC COM 68235P108 1,527 42,495 SH   DFND 2 0 42,495 0
ONEOK INC NEW COM 682680103 10,071 169,983 SH   DFND 2 0 169,983 0
PINNACLE ENTMT INC COM 723456109 4,622 195,000 SH Call DFND 2 0 195,000 0
POWERSHARES QQQ TRUST UNIT SER 1 73935A104 151,967 1,733,400 SH Put DFND 2 0 1,733,400 0
RIVERBED TECHNOLOGY INC COM 768573107 188,540 9,565,690 SH   DFND 2 0 9,565,690 0
RYANAIR HLDGS PLC SPONSORED ADR 783513104 4,716 80,195 SH   DFND 2 0 80,195 0
SANDISK CORP NOTE 1.500% 8/1 80004CAD3 8,010 4,875,000 PRN   DFND 2 0 4,875,000 0
SELECT SECTOR SPDR TR SBI INT-ENERGY 81369Y506 78,729 884,000 SH Put DFND 2 0 884,000 0
SELECT SECTOR SPDR TR SBI INT-FINL 81369Y605 29,694 1,329,200 SH Put DFND 2 0 1,329,200 0
SELECT SECTOR SPDR TR SBI INT-INDS 81369Y704 39,561 756,000 SH Put DFND 2 0 756,000 0
SM ENERGY CO COM 78454L100 22,011 308,750 SH   DFND 2 0 308,750 0
SOLAZYME INC NOTE 6.000% 2/0 83415TAB7 745 486,000 PRN   DFND 2 0 486,000 0
SPDR SERIES TRUST S&P OILGAS EXP 78464A730 46,690 650,000 SH Put DFND 2 0 650,000 0
SPDR SERIES TRUST S&P RETAIL ETF 78464A714 27,381 325,000 SH Put DFND 2 0 325,000 0
SUNPOWER CORP DBCV 4.500% 3/1 867652AE9 4,924 3,250,000 PRN   DFND 2 0 3,250,000 0
TWENTY FIRST CENTY FOX INC CL B 90130A200 230,344 7,401,784 SH   DFND 2 0 7,401,784 0
WILLIAMS COS INC DEL COM 969457100 5,853 144,235 SH   DFND 2 0 144,235 0
ZIONS BANCORPORATION *W EXP 5/22/202 989701115 1,424 219,000 SH   DFND 2 0 219,000 0