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
Abeona Therapeutics Inc COM 00289Y107 9,210 575,600 SH   SOLE   575,600 0 0
Ac Immune Sa SHS H00263105 9,300 1,000,000 SH   SOLE   1,000,000 0 0
Adecoagro S A COM L00849106 37,683 4,740,032 SH   DFND 1 4,740,032 0 0
Adobe Sys Inc COM 00724F101 335,044 1,374,203 SH   SOLE   1,374,203 0 0
Advanced Micro Devices Inc COM 007903107 32,420 2,162,750 SH   SOLE   2,162,750 0 0
Aerie Pharmaceuticals Inc COM 00771V108 19,022 281,600 SH   SOLE   281,600 0 0
Aetna Inc New COM 00817Y108 402,427 2,193,062 SH   SOLE   2,193,062 0 0
Akorn Inc COM 009728106 20,821 1,255,027 SH   SOLE   1,255,027 0 0
Alexion Pharmaceuticals Inc COM 015351109 87,873 707,800 SH   SOLE   707,800 0 0
Alibaba Group Hldg Ltd SPONSORED ADS 01609W102 277,494 1,495,683 SH   SOLE   1,495,683 0 0
Allergan Plc SHS G0177J108 1,667 10,000 SH Put SOLE   10,000 0 0
Alphabet Inc CAP STK CL A 02079K305 326,333 288,997 SH   SOLE   288,997 0 0
Alphabet Inc CAP STK CL A 02079K305 16,938 15,000 SH Call SOLE   15,000 0 0
Altaba Inc COM 021346101 2,562 35,000 SH   SOLE   35,000 0 0
Amazon Com Inc COM 023135106 30,892 18,174 SH   SOLE   18,174 0 0
Amazon Com Inc COM 023135106 16,998 10,000 SH Put SOLE   10,000 0 0
American Elec Pwr Inc COM 025537101 47,071 679,720 SH   SOLE   679,720 0 0
Amerisourcebergen Corp COM 03073E105 23,492 275,500 SH   SOLE   275,500 0 0
Anadarko Pete Corp COM 032511107 63,327 864,533 SH   SOLE   864,533 0 0
Andeavor COM 03349M105 36,669 279,535 SH   SOLE   279,535 0 0
Arena Pharmaceuticals Inc COM NEW 040047607 19,507 447,400 SH   SOLE   447,400 0 0
Autodesk Inc COM 052769106 251,191 1,916,171 SH   SOLE   1,916,171 0 0
Avrobio Inc COM 05455M100 4,141 145,000 SH   SOLE   145,000 0 0
Banco Macro Sa SPON ADR B 05961W105 28,683 487,881 SH   DFND 1 487,881 0 0
Bbx Cap Corp New CL A 05491N104 2,709 300,000 SH   SOLE   300,000 0 0
Bio Rad Labs Inc CL A 090572207 18,596 64,448 SH   SOLE   64,448 0 0
Biogen Inc COM 09062X103 25,222 86,900 SH   SOLE   86,900 0 0
Boeing Co COM 097023105 122,079 363,862 SH   SOLE   363,862 0 0
Boeing Co COM 097023105 97,298 290,000 SH Call SOLE   290,000 0 0
Bp Plc SPONSORED ADR 055622104 1,018 22,300 SH   SOLE   22,300 0 0
Braskem S A SP ADR PFD A 105532105 1,981 76,200 SH   SOLE   76,200 0 0
Brunswick Corp COM 117043109 10,059 156,000 SH   SOLE   156,000 0 0
Cadence Design System Inc COM 127387108 17,118 395,244 SH   SOLE   395,244 0 0
Cbs Corp New CL B 124857202 3,030 53,900 SH   SOLE   53,900 0 0
Centerpoint Energy Inc COM 15189T107 18,398 663,938 SH   SOLE   663,938 0 0
Cf Inds Hldgs Inc COM 125269100 23,703 533,857 SH   SOLE   533,857 0 0
Charter Communications Inc N CL A 16119P108 3,020 10,300 SH   SOLE   10,300 0 0
Cheniere Energy Inc COM NEW 16411R208 7,026 107,777 SH   OTR   107,777 0 0
Cheniere Energy Inc COM NEW 16411R208 81,234 1,246,113 SH   SOLE   1,246,113 0 0
Chevron Corp New COM 166764100 208,402 1,648,357 SH   SOLE   1,648,357 0 0
Cigna Corporation COM 125509109 129,413 761,474 SH   SOLE   761,474 0 0
Clovis Oncology Inc COM 189464100 138,493 3,045,810 SH   SOLE   3,045,810 0 0
Clovis Oncology Inc NOTE 1.250% 5/0 189464AC4 11,042 12,000,000 PRN   SOLE   12,000,000 0 0
Cme Group Inc COM CL A 12572Q105 18,556 113,200 SH   SOLE   113,200 0 0
Commercial Metals Co COM 201723103 408 19,306 SH   SOLE   19,306 0 0
Community Health Sys Inc New COM 203668108 8,385 2,525,500 SH   SOLE   2,525,500 0 0
Comstock Res Inc NOTE 7.750% 4/0 205768AM6 12,171 12,339,178 PRN   OTR   12,339,178 0 0
Comstock Res Inc NOTE 7.750% 4/0 205768AM6 60,784 61,622,285 PRN   SOLE   61,622,285 0 0
Comstock Res Inc NOTE 9.500% 6/1 205768AN4 13,497 13,453,368 PRN   OTR   13,453,368 0 0
Comstock Res Inc NOTE 9.500% 6/1 205768AN4 67,544 67,325,204 PRN   SOLE   67,325,204 0 0
Concho Res Inc COM 20605P101 31,890 230,500 SH   SOLE   230,500 0 0
Crown Castle Intl Corp New COM 22822V101 9,780 90,710 SH   SOLE   90,710 0 0
Cvs Health Corp COM 126650100 1,609 25,000 SH Call SOLE   25,000 0 0
Deciphera Pharmaceuticals In COM 24344T101 6,863 174,400 SH   SOLE   174,400 0 0
Dell Technologies Inc COM CL V 24703L103 3,358 39,700 SH   SOLE   39,700 0 0
Devon Energy Corp New COM 25179M103 15,465 351,800 SH   SOLE   351,800 0 0
Disney Walt Co COM DISNEY 254687106 10,481 100,000 SH Call SOLE   100,000 0 0
Dowdupont Inc COM 26078J100 11,731 177,958 SH   SOLE   177,958 0 0
Duke Energy Corp New COM NEW 26441C204 49,727 628,818 SH   SOLE   628,818 0 0
Dynavax Technologies Corp COM NEW 268158201 28,800 1,888,500 SH   SOLE   1,888,500 0 0
Empresa Dist Y Comercial Nor SPON ADR 29244A102 19,869 611,549 SH   DFND 1 611,549 0 0
Encana Corp COM 292505104 238,047 18,241,180 SH   SOLE   18,241,180 0 0
Endo Intl Plc SHS G30401106 1,050 111,300 SH   SOLE   111,300 0 0
Energen Corp COM 29265N108 26,892 369,300 SH   SOLE   369,300 0 0
Evergy Inc COM 30034W106 21,552 383,826 SH   SOLE   383,826 0 0
Express Scripts Hldg Co COM 30219G108 13,967 180,900 SH   SOLE   180,900 0 0
Facebook Inc CL A 30303M102 265,088 1,364,184 SH   SOLE   1,364,184 0 0
Fibrogen Inc COM 31572Q808 50,719 810,200 SH   SOLE   810,200 0 0
Firstenergy Corp COM 337932107 196,225 5,464,351 SH   SOLE   5,464,351 0 0
Grace W R & Co Del New COM 38388F108 8,020 109,400 SH   SOLE   109,400 0 0
Grupo Supervielle S A SPONSORED ADR 40054A108 11,983 1,132,596 SH   DFND 1 1,132,596 0 0
Humana Inc COM 444859102 4,226 14,200 SH   SOLE   14,200 0 0
Ingersoll-Rand Plc SHS G47791101 1,992 22,200 SH   SOLE   22,200 0 0
Intel Corp COM 458140100 4,971 100,000 SH Call SOLE   100,000 0 0
Intelsat S A COM L5140P101 21,372 1,282,850 SH   SOLE   1,282,850 0 0
Intelsat S A COM L5140P101 11,662 700,000 SH Call SOLE   700,000 0 0
Intra Cellular Therapies Inc COM 46116X101 8,393 475,000 SH   SOLE   475,000 0 0
Invesco Qqq Tr UNIT SER 1 46090E103 75,663 440,800 SH Put SOLE   440,800 0 0
Ishares Tr IBOXX HI YD ETF 464288513 8,508 100,000 SH Put SOLE   100,000 0 0
Ishares Tr RUSSELL 2000 ETF 464287655 142,382 869,400 SH Put SOLE   869,400 0 0
Jd Com Inc SPON ADR CL A 47215P106 111,277 2,856,924 SH   SOLE   2,856,924 0 0
Jd Com Inc SPON ADR CL A 47215P106 10,108 259,500 SH Call SOLE   259,500 0 0
L3 Technologies Inc COM 502413107 34,436 179,056 SH   SOLE   179,056 0 0
Lam Research Corp COM 512807108 78,819 455,994 SH   SOLE   455,994 0 0
Lennar Corp CL A 526057104 19,404 369,600 SH   SOLE   369,600 0 0
Liberty Broadband Corp COM SER C 530307305 1,136 15,000 SH   SOLE   15,000 0 0
Liberty Media Corp Delaware COM C BRAVES GRP 531229888 6,532 252,600 SH   SOLE   252,600 0 0
Loma Negra Corp SPONSORED ADS 54150E104 7,470 728,031 SH   DFND 1 728,031 0 0
Loma Negra Corp SPONSORED ADS 54150E104 17,610 1,716,371 SH   SOLE   1,716,371 0 0
Loral Space & Communicatns I COM 543881106 4,542 120,800 SH   SOLE   120,800 0 0
Lowes Cos Inc COM 548661107 37,721 394,690 SH   SOLE   394,690 0 0
Lyondellbasell Industries N SHS - A - N53745100 203,141 1,849,262 SH   SOLE   1,849,262 0 0
Madrigal Pharmaceuticals Inc COM 558868105 23,662 84,600 SH   SOLE   84,600 0 0
Marathon Pete Corp COM 56585A102 378,482 5,394,553 SH   SOLE   5,394,553 0 0
Medicines Co COM 584688105 147,258 4,012,490 SH   SOLE   4,012,490 0 0
Mercadolibre Inc COM 58733R102 32,263 107,928 SH   SOLE   107,928 0 0
Microsoft Corp COM 594918104 436,228 4,423,766 SH   SOLE   4,423,766 0 0
Neon Therapeutics Inc COM 64050Y100 1,890 150,000 SH   SOLE   150,000 0 0
Netflix Inc COM 64110L106 197,549 504,685 SH   SOLE   504,685 0 0
Neurocrine Biosciences Inc COM 64125C109 6,376 64,900 SH   SOLE   64,900 0 0
Nii Hldgs Inc COM PAR 62913F508 18,130 4,648,800 SH   SOLE   4,648,800 0 0
Norfolk Southern Corp COM 655844108 63,296 419,541 SH   SOLE   419,541 0 0
Novocure Ltd ORD SHS G6674U108 22,502 718,900 SH   SOLE   718,900 0 0
Nucor Corp COM 670346105 633 10,128 SH   SOLE   10,128 0 0
Nvidia Corp COM 67066G104 1,185 5,000 SH   SOLE   5,000 0 0
Nxp Semiconductors N V COM N6596X109 77,931 713,200 SH   SOLE   713,200 0 0
Nxp Semiconductors N V COM N6596X109 49,172 450,000 SH Call SOLE   450,000 0 0
Nxstage Medical Inc COM 67072V103 2,017 72,300 SH   SOLE   72,300 0 0
Oi S A SPONSORED ADR NE 670851500 683 154,900 SH   SOLE   154,900 0 0
Oncobiologics Inc *W EXP 02/18/201 68235M113 3 100,000 SH   SOLE   100,000 0 0
Pacira Pharmaceuticals Inc COM 695127100 52,007 1,622,684 SH   SOLE   1,622,684 0 0
Pampa Energia S A SPONS ADR LVL I 697660207 78,683 2,199,706 SH   DFND 1 2,199,706 0 0
Pampa Energia S A SPONS ADR LVL I 697660207 101,465 2,836,607 SH   SOLE   2,836,607 0 0
Parsley Energy Inc CL A 701877102 146,801 4,848,132 SH   SOLE   4,848,132 0 0
Pg&E Corp COM 69331C108 3,366 79,100 SH   SOLE   79,100 0 0
Pg&E Corp COM 69331C108 5,320 125,000 SH Call SOLE   125,000 0 0
Pioneer Nat Res Co COM 723787107 83,764 442,633 SH   SOLE   442,633 0 0
Plains Gp Hldgs L P LTD PARTNR INT A 72651A207 12,971 542,490 SH   OTR   542,490 0 0
Plains Gp Hldgs L P LTD PARTNR INT A 72651A207 22,924 958,770 SH   SOLE   958,770 0 0
Ppl Corp COM 69351T106 49,586 1,736,804 SH   SOLE   1,736,804 0 0
Praxair Inc COM 74005P104 2,300 14,546 SH   SOLE   14,546 0 0
Ptc Therapeutics Inc COM 69366J200 10,929 324,000 SH   SOLE   324,000 0 0
Qualcomm Inc COM 747525103 8,003 142,600 SH   SOLE   142,600 0 0
Qualcomm Inc COM 747525103 11,224 200,000 SH Call SOLE   200,000 0 0
Rhythm Pharmaceuticals Inc COM 76243J105 2,657 85,000 SH   SOLE   85,000 0 0
Rockwell Collins Inc COM 774341101 2,020 15,000 SH   SOLE   15,000 0 0
Royal Dutch Shell Plc SPONS ADR A 780259206 2,589 37,400 SH   SOLE   37,400 0 0
Salesforce Com Inc COM 79466L302 3,724 27,300 SH   SOLE   27,300 0 0
Sarepta Therapeutics Inc COM 803607100 26,291 198,900 SH   SOLE   198,900 0 0
Sba Communications Corp New CL A 78410G104 4,872 29,503 SH   SOLE   29,503 0 0
Schulman A Inc COM 808194104 1,411 31,700 SH   SOLE   31,700 0 0
Sempra Energy COM 816851109 31,260 269,224 SH   SOLE   269,224 0 0
Senseonics Hldgs Inc COM 81727U105 10,970 2,669,000 SH   SOLE   2,669,000 0 0
Servicenow Inc COM 81762P102 71,482 414,461 SH   SOLE   414,461 0 0
Shire Plc SPONSORED ADR 82481R106 120,067 711,296 SH   SOLE   711,296 0 0
Spdr Gold Trust GOLD SHS 78463V107 8,899 75,000 SH Call SOLE   75,000 0 0
Spdr S&P 500 Etf Tr TR UNIT 78462F103 27,128 100,000 SH Call SOLE   100,000 0 0
Spdr S&P 500 Etf Tr TR UNIT 78462F103 54,256 200,000 SH Put SOLE   200,000 0 0
Spdr Series Trust S&P OILGAS EXP 78464A730 20,402 473,800 SH   SOLE   473,800 0 0
Stewart Information Svcs Cor COM 860372101 1,899 44,100 SH   SOLE   44,100 0 0
Stmicroelectronics N V NY REGISTRY 861012102 73,538 3,324,510 SH   SOLE   3,324,510 0 0
Suncor Energy Inc New COM 867224107 7,623 187,400 SH   SOLE   187,400 0 0
Synopsys Inc COM 871607107 35,129 410,526 SH   SOLE   410,526 0 0
T Mobile Us Inc COM 872590104 7,821 130,900 SH   SOLE   130,900 0 0
Tapestry Inc COM 876030107 24,425 522,900 SH   SOLE   522,900 0 0
Targa Res Corp COM 87612G101 61,007 1,232,710 SH   OTR   1,232,710 0 0
Targa Res Corp COM 87612G101 377,143 7,620,596 SH   SOLE   7,620,596 0 0
Teva Pharmaceutical Inds Ltd SPONSORED ADR 881624209 161,826 6,654,040 SH   SOLE   6,654,040 0 0
The Trade Desk Inc COM CL A 88339J105 10,506 112,000 SH   SOLE   112,000 0 0
Transportadora De Gas Sur SPON ADR B 893870204 42,364 3,489,623 SH   DFND 1 3,489,623 0 0
Tribune Media Co CL A 896047503 1,531 40,000 SH   SOLE   40,000 0 0
Twenty First Centy Fox Inc CL A 90130A101 183,735 3,697,635 SH   SOLE   3,697,635 0 0
Twenty First Centy Fox Inc CL A 90130A101 7,454 150,000 SH Call SOLE   150,000 0 0
Union Pac Corp COM 907818108 80,624 569,059 SH   SOLE   569,059 0 0
United States Stl Corp New COM 912909108 989 28,450 SH   SOLE   28,450 0 0
Us Foods Hldg Corp COM 912008109 72,980 1,929,666 SH   SOLE   1,929,666 0 0
Vaneck Vectors Etf Tr GOLD MINERS ETF 92189F106 1,116 50,000 SH   SOLE   50,000 0 0
Vaneck Vectors Etf Tr SEMICONDUCTOR ET 92189F676 5,134 50,000 SH Put SOLE   50,000 0 0
Verizon Communications Inc COM 92343V104 1,026 20,400 SH   SOLE   20,400 0 0
Vertex Pharmaceuticals Inc COM 92532F100 132,433 779,200 SH   SOLE   779,200 0 0
Vmware Inc CL A COM 928563402 3,630 24,700 SH   SOLE   24,700 0 0
Windstream Hldgs Inc COM PAR 97382A309 7,114 1,349,989 SH   SOLE   1,349,989 0 0
Xencor Inc COM 98401F105 17,521 473,400 SH   SOLE   473,400 0 0
Zimmer Biomet Hldgs Inc COM 98956P102 45,857 411,497 SH   SOLE   411,497 0 0