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
ADVANCE AUTO PARTS INC COM 00751Y106 5,788 70,000 SH   DFND 1 0 70,000 0
ALCOA INC NOTE 5.25% 3/1 013817AT8 4,506 3,500,000 PRN   DFND 1 0 3,500,000 0
AUTODESK INC COM 052769106 23,061 560,000 SH   DFND 1 0 560,000 0
BARRICK GOLD CORP COM 067901108 15,836 850,500 SH Put DFND 1 0 850,500 0
COMPUWARE CORP COM 205638109 73,122 6,534,591 SH   DFND 1 0 6,534,591 0
CORMEDIX INC COM 21900C100 721 781,440 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 14,597 2,076,381 SH   DFND 1 0 2,076,381 0
DELPHI AUTOMOTIVE PLC SHS G27823106 280,180 4,795,960 SH   DFND 1 0 4,795,960 0
DELL INC COM 24702R101 145,332 10,561,886 SH   DFND 1 0 10,561,886 0
DYNEGY INC NEW DEL COM 26817R108 189 9,758 SH   DFND 1 0 9,758 0
ELAN PLC ADR 284131208 17,450 1,120,000 SH   DFND 1 0 1,120,000 0
EMULEX CORP COM NEW 292475209 24,243 3,124,149 SH   DFND 1 0 3,124,149 0
EQUINIX INC NOTE 3.000% 10/1 29444UAG1 4,396 2,625,000 PRN   DFND 1 0 2,625,000 0
HARTFORD FINL SVCS GROUP INC *W EXP 06/26/201 416515120 4,302 192,500 SH   DFND 1 0 192,500 0
HESS CORP COM 42809H107 462,738 5,983,160 SH   DFND 1 0 5,983,160 0
JP MORGAN CHASE & CO ALERIAN ML ETN 46625H365 15,610 350,000 SH Put DFND 1 0 350,000 0
LINEAR TECHNOLOGY CORP NOTE 3.000% 5/0 535678AC0 3,166 2,975,000 PRN   DFND 1 0 2,975,000 0
LINCOLN NATL CORP IND *W EXP 07/10/201 534187117 458 14,000 SH   DFND 1 0 14,000 0
MARKET VECTORS ETF TR SEMICONDUCTOR 57060U233 31,406 787,500 SH Put DFND 1 0 787,500 0
MARKET VECTORS ETF TR GOLD MINER ETF 57060U100 1,821 72,800 SH Put DFND 1 0 72,800 0
MELCO CROWN ENTMT LTD ADR 585464100 28,175 885,449 SH   DFND 1 0 885,449 0
MERITOR INC COM 59001K100 138 17,500 SH Put DFND 1 0 17,500 0
MITEL NETWORKS CORP COM 60671Q104 3,182 535,691 SH   DFND 1 0 535,691 0
MYLAN INC NOTE 3.750% 9/1 628530AJ6 5,071 1,750,000 PRN   DFND 1 0 1,750,000 0
GENERAL MTRS CO COM 37045V100 6,579 182,900 SH Put DFND 1 0 182,900 0
NATIONAL BK HLDGS CORP CL A 633707104 27,333 1,334,375 SH   DFND 1 0 1,334,375 0
NETAPP INC COM 64110D104 160,391 3,765,050 SH   DFND 1 0 3,765,050 0
ISHARES TR RUSSELL 2000 464287655 33,582 315,000 SH Put DFND 1 0 315,000 0
NEWMONT MINING CORP COM 651639106 16,110 573,300 SH Put DFND 1 0 573,300 0
NEWS CORP NEW CL B 65249B208 15,047 916,930 SH   DFND 1 0 916,930 0
NVIDIA CORP COM 67066G104 8,906 572,762 SH   DFND 1 0 572,762 0
NVIDIA CORP COM 67066G104 5,446 350,000 SH Call DFND 1 0 350,000 0
ONEOK INC NEW COM 682680103 5,026 94,259 SH   DFND 1 0 94,259 0
VENTRUS BIOSCIENCES INC COM 922822101 3,064 1,060,158 SH   DFND 1 0 1,060,158 0
VERISIGN INC SDCV 3.250% 8/1 92343EAD4 2,742 1,750,000 PRN   DFND 1 0 1,750,000 0
ZIONS BANCORPORATION *W EXP 5/22/202 989701115 727 146,000 SH   DFND 1 0 146,000 0
POWERSHARES QQQ TRUST UNIT SER 1 73935A104 27,608 350,000 SH Put DFND 1 0 350,000 0
RIVERBED TECHNOLOGY INC COM 768573107 33,112 2,269,475 SH   DFND 1 0 2,269,475 0
SELECT SECTOR SPDR TR SBI INT-ENERGY 81369Y506 43,528 525,000 SH Put DFND 1 0 525,000 0
SELECT SECTOR SPDR TR SBI INT-FINL 81369Y605 13,682 687,200 SH Put DFND 1 0 687,200 0
SELECT SECTOR SPDR TR SBI INT-INDS 81369Y704 3,249 70,000 SH Put DFND 1 0 70,000 0
SELECT SECTOR SPDR TR TECHNOLOGY 81369Y803 11,214 350,000 SH Put DFND 1 0 350,000 0
SOLAZYME INC COM 83415T101 95 8,788 SH   DFND 1 0 8,788 0
SPDR S&P 500 ETF TR TR UNIT 78462F103 205,812 1,225,000 SH Put DFND 1 0 1,225,000 0
TWENTY FIRST CENTY FOX INC CL B 90130A200 122,502 3,667,726 SH   DFND 1 0 3,667,726 0
UNITED STATES STL CORP NEW NOTE 4.000% 5/1 912909AE8 2,689 2,625,000 PRN   DFND 1 0 2,625,000 0
WILLIAMS COS INC DEL COM 969457100 2,909 80,010 SH   DFND 1 0 80,010 0
ADVANCE AUTO PARTS INC COM 00751Y106 10,748 130,000 SH   DFND 2 0 130,000 0
ALCOA INC NOTE 5.25% 3/1 013817AT8 8,368 6,500,000 PRN   DFND 2 0 6,500,000 0
AUTODESK INC COM 052769106 42,827 1,040,000 SH   DFND 2 0 1,040,000 0
ISHARES TR RUSSELL 2000 464287655 62,367 585,000 SH Put DFND 2 0 585,000 0
BARRICK GOLD CORP COM 067901108 29,410 1,579,500 SH Put DFND 2 0 1,579,500 0
POWERSHARES QQQ TRUST UNIT SER 1 73935A104 51,272 650,000 SH Put DFND 2 0 650,000 0
COMPUWARE CORP COM 205638109 135,795 12,135,409 SH   DFND 2 0 12,135,409 0
CORONADO BIOSCIENCES COM 21976U109 11,634 1,654,898 SH   DFND 2 0 1,654,898 0
DELPHI AUTOMOTIVE PLC SHS G27823106 520,349 8,907,040 SH   DFND 2 0 8,907,040 0
DELL INC COM 24702R101 269,901 19,614,921 SH   DFND 2 0 19,614,921 0
DYNEGY INC NEW DEL COM 26817R108 283 14,637 SH   DFND 2 0 14,637 0
EMULEX CORP COM NEW 292475209 45,022 5,801,778 SH   DFND 2 0 5,801,778 0
ELAN PLC ADR 284131208 32,406 2,080,000 SH   DFND 2 0 2,080,000 0
EQUINIX INC NOTE 3.000% 10/1 29444UAG1 8,163 4,875,000 PRN   DFND 2 0 4,875,000 0
GENERAL MTRS CO COM 37045V100 12,219 339,700 SH Put DFND 2 0 339,700 0
HARTFORD FINL SVCS GROUP INC *W EXP 06/26/201 416515120 6,873 307,500 SH   DFND 2 0 307,500 0
HESS CORP COM 42809H107 859,390 11,111,840 SH   DFND 2 0 11,111,840 0
JP MORGAN CHASE & CO ALERIAN ML ETN 46625H365 28,990 650,000 SH Put DFND 2 0 650,000 0
LINEAR TECHNOLOGY CORP NOTE 3.000% 5/0 535678AC0 5,880 5,525,000 PRN   DFND 2 0 5,525,000 0
RIVERBED TECHNOLOGY INC COM 768573107 61,497 4,215,025 SH   DFND 2 0 4,215,025 0
LINCOLN NATL CORP IND *W EXP 07/10/201 534187117 687 21,000 SH   DFND 2 0 21,000 0
MARKET VECTORS ETF TR GOLD MINER ETF 57060U100 3,383 135,200 SH Put DFND 2 0 135,200 0
MARKET VECTORS ETF TR SEMICONDUCTOR 57060U233 58,325 1,462,500 SH Put DFND 2 0 1,462,500 0
MELCO CROWN ENTMT LTD ADR 585464100 52,322 1,644,298 SH   DFND 2 0 1,644,298 0
MERITOR INC COM 59001K100 255 32,500 SH Put DFND 2 0 32,500 0
MITEL NETWORK CORP COM 60671Q104 5,909 994,857 SH   DFND 2 0 994,857 0
MYLAN INC NOTE 3.750% 9/1 628530AJ6 9,417 3,250,000 PRN   DFND 2 0 3,250,000 0
NATIONAL BK HLDGS CORP CL A 633707104 50,762 2,478,125 SH   DFND 2 0 2,478,125 0
NETAPP INC COM 64110D104 297,559 6,984,950 SH   DFND 2 0 6,984,950 0
NEWMONT MINING CORP COM 651639106 29,918 1,064,700 SH Put DFND 2 0 1,064,700 0
NEWS CORP NEW CL B 65249B208 26,371 1,607,022 SH   DFND 2 0 1,607,022 0
NVIDIA CORP COM 67066G104 16,541 1,063,699 SH   DFND 2 0 1,063,699 0
NVIDIA CORP COM 67066G104 10,114 650,000 SH Call DFND 2 0 650,000 0
ONEOK INC NEW COM 682680103 9,334 175,053 SH   DFND 2 0 175,053 0
SELECT SECTOR SPDR TR SBI INT-ENERGY 81369Y506 80,837 975,000 SH Put DFND 2 0 975,000 0
SELECT SECTOR SPDR TR SBI INT-FINL 81369Y605 25,411 1,276,300 SH Put DFND 2 0 1,276,300 0
SELECT SECTOR SPDR TR SBI INT-INDS 81369Y704 6,033 130,000 SH Put DFND 2 0 130,000 0
SELECT SECTOR SPDR TR TECHNOLOGY 81369Y803 20,826 650,000 SH Put DFND 2 0 650,000 0
SOLAZYME INC COM 83415T101 141 13,046 SH   DFND 2 0 13,046 0
SPDR S&P 500 ETF TR TR UNIT 78462F103 382,223 2,275,000 SH Put DFND 2 0 2,275,000 0
TWENTY FIRST CENTY FOX INC CL B 90130A200 214,698 6,428,096 SH   DFND 2 0 6,428,096 0
UNITED STATES STL CORP NEW NOTE 4.000% 5/1 912909AE8 4,993 4,875,000 PRN   DFND 2 0 4,875,000 0
VENTRUS BIOSCIENCES INC COM 922822101 2,101 727,000 SH   DFND 2 0 727,000 0
VERISIGN INC SDCV 3.250% 8/1 92343EAD4 5,093 3,250,000 PRN   DFND 2 0 3,250,000 0
WILLIAMS COS INC DEL COM 969457100 5,403 148,590 SH   DFND 2 0 148,590 0
ZIONS BANCORPORATION *W EXP 5/22/202 989701115 1,091 219,000 SH   DFND 2 0 219,000 0