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
ALCOA INC NOTE 5.25% 3/1 013817AT8 2,891 1,750,000 PRN   DFND 1 0 1,750,000 0
ANADARKO PETE CORP COM 032511107 14,297 180,250 SH   DFND 1 0 180,250 0
COMPANHIA DE SANEAMENTO BASI SPONSORED ADR 20441A102 19,183 1,691,586 SH   DFND 1 0 1,691,586 0
COMPUWARE CORP COM 205638109 73,253 6,534,591 SH   DFND 1 0 6,534,591 0
CORMEDIX INC COM 21900C100 969 781,440 SH   DFND 1 0 781,440 0
CORMEDIX INC *W EXP 03/24/201 21900C118 0 390,720 SH   DFND 1 0 390,720 0
CORONADO BIOSCIENCES COM 21976U109 5,440 2,076,381 SH   DFND 1 0 2,076,381 0
DELPHI AUTOMOTIVE PLC SHS G27823106 133,661 2,222,860 SH   DFND 1 0 2,222,860 0
DYNEGY INC NEW DEL COM 26817R108 210 9,758 SH   DFND 1 0 9,758 0
EMULEX CORP COM NEW 292475209 18,844 2,631,822 SH   DFND 1 0 2,631,822 0
EQUINIX INC NOTE 3.000% 10/1 29444UAG1 6,908 4,375,000 PRN   DFND 1 0 4,375,000 0
HARTFORD FINL SVCS GROUP INC *W EXP 06/26/201 416515120 5,300 192,500 SH   DFND 1 0 192,500 0
HESS CORP COM 42809H107 496,602 5,983,160 SH   DFND 1 0 5,983,160 0
JUNIPER NETWORKS INC COM 48203R104 20,483 907,515 SH   DFND 1 0 907,515 0
JP MORGAN CHASE & CO ALERIAN ML ETN 46625H365 16,223 350,000 SH Put DFND 1 0 350,000 0
LINCOLN NATL CORP IND *W EXP 07/10/201 534187117 592 14,000 SH   DFND 1 0 14,000 0
MARKET VECTORS ETF TR SEMICONDUCTOR 57060U233 36,757 866,300 SH Put DFND 1 0 866,300 0
MERITOR INC COM 59001K100 183 17,500 SH Put DFND 1 0 17,500 0
MITEL NETWORKS CORP COM 60671Q104 5,085 504,919 SH   DFND 1 0 504,919 0
MYLAN INC NOTE 3.750% 9/1 628530AJ6 5,737 1,750,000 PRN   DFND 1 0 1,750,000 0
GENERAL MTRS CO COM 37045V100 283 6,915 SH   DFND 1 0 6,915 0
GENERAL MTRS CO COM 37045V100 7,475 182,900 SH Put DFND 1 0 182,900 0
GENERAL MTRS CO *W EXP 07/10/201 37045V118 14,736 473,221 SH   DFND 1 0 473,221 0
GENERAL MTRS CO *W EXP 07/10/201 37045V126 10,941 473,221 SH   DFND 1 0 473,221 0
NATIONAL BK HLDGS CORP CL A 633707104 27,042 1,263,654 SH   DFND 1 0 1,263,654 0
NETAPP INC COM 64110D104 154,894 3,765,050 SH   DFND 1 0 3,765,050 0
ISHARES TR RUSSELL 2000 464287655 106,996 927,500 SH Put DFND 1 0 927,500 0
NEWS CORP NEW CL B 65249B208 5,236 293,982 SH   DFND 1 0 293,982 0
ONEOK INC NEW COM 682680103 5,861 94,259 SH   DFND 1 0 94,259 0
VENTRUS BIOSCIENCES INC COM 922822101 4,039 1,060,158 SH   DFND 1 0 1,060,158 0
ZIONS BANCORPORATION *W EXP 5/22/202 989701115 898 146,000 SH   DFND 1 0 146,000 0
POWERSHARES QQQ TRUST UNIT SER 1 73935A104 1,539 17,500 SH   DFND 1 0 17,500 0
POWERSHARES QQQ TRUST UNIT SER 1 73935A104 30,786 350,000 SH Put DFND 1 0 350,000 0
RIVERBED TECHNOLOGY INC COM 768573107 93,126 5,150,756 SH   DFND 1 0 5,150,756 0
SELECT SECTOR SPDR TR SBI INT-ENERGY 81369Y506 46,468 525,000 SH Put DFND 1 0 525,000 0
SELECT SECTOR SPDR TR SBI INT-FINL 81369Y605 13,466 616,000 SH Put DFND 1 0 616,000 0
SELECT SECTOR SPDR TR SBI INT-INDS 81369Y704 3,658 70,000 SH Put DFND 1 0 70,000 0
SELECT SECTOR SPDR TR TECHNOLOGY 81369Y803 12,509 350,000 SH Put DFND 1 0 350,000 0
SPDR SERIES TRUST S&P RETAIL ETF 78464A714 15,418 175,000 SH Put DFND 1 0 175,000 0
TIME WARNER CABLE INC COM 88732J207 18,048 133,197 SH   DFND 1 0 133,197 0
TWENTY FIRST CENTY FOX INC CL B 90130A200 142,682 4,123,770 SH   DFND 1 0 4,123,770 0
UNITED STATES STL CORP NEW NOTE 4.000% 5/1 912909AE8 1,863 1,750,000 PRN   DFND 1 0 1,750,000 0
WILLIAMS COS INC DEL COM 969457100 3,086 80,010 SH   DFND 1 0 80,010 0
ALCOA INC NOTE 5.25% 3/1 013817AT8 5,369 3,250,000 PRN   DFND 2 0 3,250,000 0
ANADARKO PETE CORP COM 032511107 26,552 334,750 SH   DFND 2 0 334,750 0
ISHARES TR RUSSELL 2000 464287655 198,708 1,722,500 SH Put DFND 2 0 1,722,500 0
POWERSHARES QQQ TRUST UNIT SER 1 73935A104 2,858 32,500 SH   DFND 2 0 32,500 0
POWERSHARES QQQ TRUST UNIT SER 1 73935A104 57,174 650,000 SH Put DFND 2 0 650,000 0
COMPANHIA DE SANEAMENTO BASI SPONSORED ADR 20441A102 35,625 3,141,513 SH   DFND 2 0 3,141,513 0
COMPUWARE CORP COM 205638109 136,038 12,135,409 SH   DFND 2 0 12,135,409 0
CORONADO BIOSCIENCES COM 21976U109 4,336 1,654,898 SH   DFND 2 0 1,654,898 0
DELPHI AUTOMOTIVE PLC SHS G27823106 159,801 2,657,585 SH   DFND 2 0 2,657,585 0
DYNEGY INC NEW DEL COM 26817R108 315 14,637 SH   DFND 2 0 14,637 0
EMULEX CORP COM NEW 292475209 34,994 4,887,455 SH   DFND 2 0 4,887,455 0
EQUINIX INC NOTE 3.000% 10/1 29444UAG1 12,830 8,125,000 PRN   DFND 2 0 8,125,000 0
GENERAL MTRS CO COM 37045V100 524 12,844 SH   DFND 2 0 12,844 0
GENERAL MTRS CO COM 37045V100 13,884 339,700 SH Put DFND 2 0 339,700 0
GENERAL MTRS CO *W EXP 07/10/201 37045V126 20,319 878,854 SH   DFND 2 0 878,854 0
GENERAL MTRS CO *W EXP 07/10/201 37045V118 27,368 878,854 SH   DFND 2 0 878,854 0
HARTFORD FINL SVCS GROUP INC *W EXP 06/26/201 416515120 8,465 307,500 SH   DFND 2 0 307,500 0
HESS CORP COM 42809H107 922,283 11,111,840 SH   DFND 2 0 11,111,840 0
JP MORGAN CHASE & CO ALERIAN ML ETN 46625H365 30,128 650,000 SH Put DFND 2 0 650,000 0
JUNIPER NETWORKS INC COM 48203R104 38,039 1,685,385 SH   DFND 2 0 1,685,385 0
RIVERBED TECHNOLOGY INC COM 768573107 172,948 9,565,690 SH   DFND 2 0 9,565,690 0
LINCOLN NATL CORP IND *W EXP 07/10/201 534187117 887 21,000 SH   DFND 2 0 21,000 0
MARKET VECTORS ETF TR SEMICONDUCTOR 57060U233 68,257 1,608,700 SH Put DFND 2 0 1,608,700 0
MERITOR INC COM 59001K100 339 32,500 SH Put DFND 2 0 32,500 0
MITEL NETWORK CORP COM 60671Q104 9,443 937,707 SH   DFND 2 0 937,707 0
MYLAN INC NOTE 3.750% 9/1 628530AJ6 10,654 3,250,000 PRN   DFND 2 0 3,250,000 0
NATIONAL BK HLDGS CORP CL A 633707104 50,221 2,346,782 SH   DFND 2 0 2,346,782 0
NETAPP INC COM 64110D104 287,361 6,984,950 SH   DFND 2 0 6,984,950 0
NEWS CORP NEW CL B 65249B208 8,736 490,498 SH   DFND 2 0 490,498 0
ONEOK INC NEW COM 682680103 10,885 175,053 SH   DFND 2 0 175,053 0
SELECT SECTOR SPDR TR SBI INT-ENERGY 81369Y506 86,297 975,000 SH Put DFND 2 0 975,000 0
SELECT SECTOR SPDR TR SBI INT-FINL 81369Y605 25,008 1,144,000 SH Put DFND 2 0 1,144,000 0
SELECT SECTOR SPDR TR SBI INT-INDS 81369Y704 6,794 130,000 SH Put DFND 2 0 130,000 0
SELECT SECTOR SPDR TR TECHNOLOGY 81369Y803 23,231 650,000 SH Put DFND 2 0 650,000 0
SPDR SERIES TRUST S&P RETAIL ETF 78464A714 28,633 325,000 SH Put DFND 2 0 325,000 0
TIME WARNER CABLE INC COM 88732J207 33,518 247,366 SH   DFND 2 0 247,366 0
TWENTY FIRST CENTY FOX INC CL B 90130A200 251,716 7,275,034 SH   DFND 2 0 7,275,034 0
UNITED STATES STL CORP NEW NOTE 4.000% 5/1 912909AE8 3,460 3,250,000 PRN   DFND 2 0 3,250,000 0
VENTRUS BIOSCIENCES INC COM 922822101 2,770 727,000 SH   DFND 2 0 727,000 0
WILLIAMS COS INC DEL COM 969457100 5,731 148,590 SH   DFND 2 0 148,590 0
ZIONS BANCORPORATION *W EXP 5/22/202 989701115 1,347 219,000 SH   DFND 2 0 219,000 0