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 6,445 378,000 SH   SOLE   378,000 0 0
Ac Immune Sa SHS H00263105 11,300 1,000,000 SH   SOLE   1,000,000 0 0
Acadia Pharmaceuticals Inc COM 004225108 11,474 304,600 SH   SOLE   304,600 0 0
Aclaris Therapeutics Inc COM 00461U105 17,724 686,700 SH   SOLE   686,700 0 0
Adecoagro S A COM L00849106 864 80,000 SH   SOLE   80,000 0 0
Adecoagro S A COM L00849106 52,974 4,905,000 SH   DFND 1 4,905,000 0 0
Adobe Sys Inc COM 00724F101 68,160 456,900 SH   SOLE   456,900 0 0
Advance Auto Parts Inc COM 00751Y106 4,732 47,700 SH   SOLE   47,700 0 0
Advanced Accelerator Applications Sa SPONSORED ADS 00790T100 9,081 134,300 SH   SOLE   134,300 0 0
Alibaba Group Hldg Ltd SPONSORED ADS 01609W102 157,209 910,247 SH   SOLE   910,247 0 0
Allergan Plc SHS G0177J108 36,809 179,600 SH Put SOLE   179,600 0 0
Alphabet Inc CAP STK CL A 02079K305 645,314 662,731 SH   SOLE   662,731 0 0
Alphabet Inc CAP STK CL A 02079K305 9,153 9,400 SH Call SOLE   9,400 0 0
Alphabet Inc CAP STK CL C 02079K107 14,387 15,000 SH Call SOLE   15,000 0 0
Altaba Inc COM 021346101 134,083 2,024,200 SH   SOLE   2,024,200 0 0
Altaba Inc COM 021346101 3,312 50,000 SH Put SOLE   50,000 0 0
Amazon Com Inc COM 023135106 237,423 246,968 SH   SOLE   246,968 0 0
American Tower Corp New COM 03027X100 1,462 10,700 SH   SOLE   10,700 0 0
Amicus Therapeutics Inc COM 03152W109 25,137 1,666,900 SH   SOLE   1,666,900 0 0
Array Biopharma Inc COM 04269X105 23,187 1,885,100 SH   SOLE   1,885,100 0 0
Autodesk Inc COM 052769106 249,946 2,226,488 SH   SOLE   2,226,488 0 0
Avexis Inc COM 05366U100 26,443 273,367 SH   SOLE   273,367 0 0
Axovant Sciences Ltd COM G0750W104 15,969 2,321,100 SH   SOLE   2,321,100 0 0
Banco Macro Sa SPON ADR B 05961W105 113,500 967,193 SH   SOLE   967,193 0 0
Banco Macro Sa SPON ADR B 05961W105 104,430 889,900 SH   DFND 1 889,900 0 0
Bank Amer Corp COM 060505104 274,135 10,818,290 SH   SOLE   10,818,290 0 0
Bio Rad Labs Inc CL A 090572207 15,244 68,600 SH   SOLE   68,600 0 0
Biogen Inc COM 09062X103 85,930 274,430 SH   SOLE   274,430 0 0
Bioverativ Inc COM 09075E100 4,663 81,700 SH   SOLE   81,700 0 0
Boeing Co COM 097023105 287,130 1,129,500 SH   SOLE   1,129,500 0 0
Bristol Myers Squibb Co COM 110122108 1,275 20,000 SH   SOLE   20,000 0 0
British Amern Tob Plc SPONSORED ADR 110448107 7,846 125,635 SH   SOLE   125,635 0 0
Broadcom Ltd SHS Y09827109 246,989 1,018,345 SH   SOLE   1,018,345 0 0
Broadcom Ltd SHS Y09827109 3,371 13,900 SH Call SOLE   13,900 0 0
Bwx Technologies Inc COM 05605H100 6,470 115,500 SH   SOLE   115,500 0 0
Cabot Oil & Gas Corp COM 127097103 370,713 13,858,422 SH   SOLE   13,858,422 0 0
Calpine Corp COM NEW 131347304 2,950 200,000 SH Put SOLE   200,000 0 0
Caterpillar Inc Del COM 149123101 68,453 548,900 SH   SOLE   548,900 0 0
Cdk Global Inc COM 12508E101 21,198 336,000 SH   SOLE   336,000 0 0
Charter Communications Inc N CL A 16119P108 27,147 74,700 SH   SOLE   74,700 0 0
Cheniere Energy Inc COM NEW 16411R208 23,250 516,200 SH   SOLE   516,200 0 0
Citigroup Inc COM NEW 172967424 419,776 5,770,909 SH   SOLE   5,770,909 0 0
Citigroup Inc COM NEW 172967424 12,708 174,700 SH Call SOLE   174,700 0 0
Citizens Finl Group Inc COM 174610105 52,637 1,389,931 SH   SOLE   1,389,931 0 0
Clovis Oncology Inc COM 189464100 194,995 2,366,449 SH   SOLE   2,366,449 0 0
Comcast Corp New CL A 20030N101 272,490 7,081,351 SH   SOLE   7,081,351 0 0
Community Health Sys Inc New COM 203668108 9,044 1,177,600 SH   SOLE   1,177,600 0 0
Comstock Res Inc COM 205768302 7,343 1,207,702 SH   SOLE   1,207,702 0 0
Comstock Res Inc NOTE 7.750% 4/0 205768AM6 36,304 45,039,241 PRN   SOLE   45,039,241 0 0
Comstock Res Inc NOTE 7.750% 4/0 205768AM6 7,274 9,024,332 PRN   OTR   9,024,332 0 0
Comstock Res Inc NOTE 9.500% 6/1 205768AN4 4,236 5,361,446 PRN   OTR   5,361,446 0 0
Comstock Res Inc NOTE 9.500% 6/1 205768AN4 21,200 26,834,913 PRN   SOLE   26,834,913 0 0
Constellation Brands Inc CL A 21036P108 176,992 887,400 SH   SOLE   887,400 0 0
Crown Castle Intl Corp New COM 22822V101 81,704 817,203 SH   SOLE   817,203 0 0
Csx Corp COM 126408103 190,075 3,503,034 SH   SOLE   3,503,034 0 0
Delta Air Lines Inc Del COM NEW 247361702 53,577 1,111,100 SH   SOLE   1,111,100 0 0
Devon Energy Corp New COM 25179M103 42,085 1,146,418 SH   SOLE   1,146,418 0 0
Dowdupont Inc COM 26078J100 316,762 4,575,497 SH   SOLE   4,575,497 0 0
Dowdupont Inc COM 26078J100 10,385 150,000 SH Call SOLE   150,000 0 0
Dynavax Technologies Corp COM NEW 268158201 26,052 1,211,700 SH   SOLE   1,211,700 0 0
Empresa Dist Y Comercial Nor SPON ADR 29244A102 17,989 452,550 SH   DFND 1 452,550 0 0
Encana Corp COM 292505104 160,442 13,619,900 SH   SOLE   13,619,900 0 0
Endo Intl Plc SHS G30401106 33,362 3,895,200 SH   SOLE   3,895,200 0 0
Eqt Corp COM 26884L109 166,232 2,548,002 SH   SOLE   2,548,002 0 0
Equifax Inc COM 294429105 40,446 381,600 SH Put SOLE   381,600 0 0
Facebook Inc CL A 30303M102 482,379 2,823,076 SH   SOLE   2,823,076 0 0
Fidelity National Financial FNF GROUP COM 31620R303 88,793 1,870,900 SH   SOLE   1,870,900 0 0
First Amern Finl Corp COM 31847R102 9,304 186,200 SH   SOLE   186,200 0 0
General Dynamics Corp COM 369550108 35,093 170,700 SH   SOLE   170,700 0 0
Grupo Financiero Galicia S A SP ADR 10 SH B 399909100 17,851 346,358 SH   SOLE   346,358 0 0
Grupo Financiero Galicia S A SP ADR 10 SH B 399909100 30,633 594,346 SH   DFND 1 594,346 0 0
Grupo Supervielle S A SPONSORED ADR 40054A108 56,107 2,272,457 SH   DFND 1 2,272,457 0 0
Halliburton Co COM 406216101 115,615 2,511,732 SH   SOLE   2,511,732 0 0
Hertz Global Hldgs Inc COM 42806J106 6,755 302,100 SH   SOLE   302,100 0 0
Ignyta Inc COM 451731103 7,164 580,100 SH   SOLE   580,100 0 0
Impax Laboratories Inc COM 45256B101 1,484 73,100 SH   SOLE   73,100 0 0
Intelsat S A COM L5140P101 16,378 3,484,700 SH   SOLE   3,484,700 0 0
Ishares Tr NASDQ BIOTEC ETF 464287556 1,635 4,900 SH   SOLE   4,900 0 0
Ishares Tr IBOXX HI YD ETF 464288513 8,876 100,000 SH Put SOLE   100,000 0 0
Ishares Tr RUSSELL 2000 ETF 464287655 152,625 1,030,000 SH Call SOLE   1,030,000 0 0
L3 Technologies Inc COM 502413107 14,735 78,200 SH   SOLE   78,200 0 0
Laboratory Corp Amer Hldgs COM NEW 50540R409 44,204 292,800 SH   SOLE   292,800 0 0
Lear Corp COM NEW 521865204 5,019 29,000 SH   SOLE   29,000 0 0
Liberty Broadband Corp COM SER C 530307305 1,430 15,000 SH   SOLE   15,000 0 0
Liberty Media Corp Delaware COM C BRAVES GRP 531229888 6,383 252,600 SH   SOLE   252,600 0 0
Loral Space & Communicatns I COM 543881106 6,309 127,445 SH   SOLE   127,445 0 0
Lyondellbasell Industries N SHS - A - N53745100 166,685 1,682,833 SH   SOLE   1,682,833 0 0
Medicines Co COM 584688105 62,273 1,681,245 SH   SOLE   1,681,245 0 0
Mgm Resorts International COM 552953101 288,658 8,857,256 SH   SOLE   8,857,256 0 0
Microsoft Corp COM 594918104 149,322 2,004,589 SH   SOLE   2,004,589 0 0
Microsoft Corp COM 594918104 3,985 53,500 SH Call SOLE   53,500 0 0
Monsanto Co New COM 61166W101 6,123 51,100 SH   SOLE   51,100 0 0
Monsanto Co New COM 61166W101 1,426 11,900 SH Call SOLE   11,900 0 0
Nektar Therapeutics COM 640268108 37,927 1,580,300 SH   SOLE   1,580,300 0 0
Nii Hldgs Inc COM PAR 62913F508 2,140 4,653,000 SH   SOLE   4,653,000 0 0
Noble Energy Inc COM 655044105 13,020 459,100 SH   SOLE   459,100 0 0
Norfolk Southern Corp COM 655844108 19,942 150,800 SH   SOLE   150,800 0 0
Northrop Grumman Corp COM 666807102 10,243 35,600 SH   SOLE   35,600 0 0
Novocure Ltd ORD SHS G6674U108 14,945 752,900 SH   SOLE   752,900 0 0
Nucor Corp COM 670346105 41,750 745,000 SH   SOLE   745,000 0 0
Nvidia Corp COM 67066G104 1,341 7,500 SH   SOLE   7,500 0 0
Nxp Semiconductors N V COM N6596X109 68,779 608,178 SH   SOLE   608,178 0 0
Oi S A SPONSORED ADR NE 670851500 23,501 3,016,780 SH   SOLE   3,016,780 0 0
Oncobiologics Inc *W EXP 02/18/201 68235M113 12 100,000 SH   SOLE   100,000 0 0
Oncobiologics Inc *W EXP 05/18/201 68235M121 5 100,000 SH   SOLE   100,000 0 0
Orbital Atk Inc COM 68557N103 3,329 25,000 SH   SOLE   25,000 0 0
Pacira Pharmaceuticals Inc COM 695127100 42,728 1,137,900 SH   SOLE   1,137,900 0 0
Pampa Energia S A SPONS ADR LVL I 697660207 186,531 2,865,306 SH   SOLE   2,865,306 0 0
Pampa Energia S A SPONS ADR LVL I 697660207 143,201 2,199,706 SH   DFND 1 2,199,706 0 0
Parsley Energy Inc CL A 701877102 41,941 1,592,285 SH   SOLE   1,592,285 0 0
Patterson Uti Energy Inc COM 703481101 50,224 2,398,495 SH   SOLE   2,398,495 0 0
Paypal Hldgs Inc COM 70450Y103 15,118 236,113 SH   SOLE   236,113 0 0
Peabody Energy Corp New COM 704551100 66,782 2,302,028 SH   SOLE   2,302,028 0 0
Peabody Energy Corp New COM 704551100 12,911 445,044 SH   OTR   445,044 0 0
Planet Fitness Inc CL A 72703H101 50,365 1,866,750 SH   SOLE   1,866,750 0 0
Powershares Qqq Trust UNIT SER 1 73935A104 491,054 3,376,100 SH Put SOLE   3,376,100 0 0
Praxair Inc COM 74005P104 66,602 476,615 SH   SOLE   476,615 0 0
Prothena Corp Plc SHS G72800108 22,825 352,400 SH   SOLE   352,400 0 0
Ptc Inc COM 69370C100 3,118 55,400 SH   SOLE   55,400 0 0
Ptc Inc COM 69370C100 3,011 53,500 SH Call SOLE   53,500 0 0
Puma Biotechnology Inc COM 74587V107 49,578 414,010 SH   SOLE   414,010 0 0
Radius Health Inc COM NEW 750469207 33,596 871,500 SH   SOLE   871,500 0 0
Rice Energy Inc COM 762760106 80,791 2,791,687 SH   SOLE   2,791,687 0 0
Rite Aid Corp COM 767754104 686 350,000 SH   SOLE   350,000 0 0
Rockwell Collins Inc COM 774341101 3,398 26,000 SH   SOLE   26,000 0 0
Rsp Permian Inc COM 74978Q105 49,444 1,429,427 SH   SOLE   1,429,427 0 0
Salesforce Com Inc COM 79466L302 162,122 1,735,407 SH   SOLE   1,735,407 0 0
Salesforce Com Inc COM 79466L302 11,192 119,800 SH Call SOLE   119,800 0 0
Sarepta Therapeutics Inc COM 803607100 18,189 401,000 SH   SOLE   401,000 0 0
Sba Communications Corp New CL A 78410G104 54,331 377,169 SH   SOLE   377,169 0 0
Servicemaster Global Hldgs I COM 81761R109 3,537 75,700 SH   SOLE   75,700 0 0
Servicenow Inc COM 81762P102 10,143 86,300 SH   SOLE   86,300 0 0
Southwest Airls Co COM 844741108 145,404 2,597,432 SH   SOLE   2,597,432 0 0
Spdr S&P 500 Etf Tr TR UNIT 78462F103 692,139 2,755,000 SH Call SOLE   2,755,000 0 0
Spdr S&P 500 Etf Tr TR UNIT 78462F103 124,384 495,100 SH Put SOLE   495,100 0 0
Sprint Corp COM SER 1 85207U105 584 75,000 SH   SOLE   75,000 0 0
Steel Dynamics Inc COM 858119100 10,133 293,967 SH   SOLE   293,967 0 0
T Mobile Us Inc COM 872590104 136,918 2,220,527 SH   SOLE   2,220,527 0 0
T Mobile Us Inc COM 872590104 9,249 150,000 SH Call SOLE   150,000 0 0
Targa Res Corp COM 87612G101 38,209 807,800 SH   SOLE   807,800 0 0
Tesaro Inc COM 881569107 30,511 236,339 SH   SOLE   236,339 0 0
Time Warner Inc COM NEW 887317303 47,322 461,900 SH   SOLE   461,900 0 0
Transportadora De Gas Sur SPON ADR B 893870204 77,078 3,795,065 SH   DFND 1 3,795,065 0 0
Ultra Petroleum Corp COM NEW 903914208 35,860 4,136,080 SH   SOLE   4,136,080 0 0
Ultra Petroleum Corp COM NEW 903914208 4,895 564,587 SH   OTR   564,587 0 0
United Rentals Inc COM 911363109 104,747 754,985 SH   SOLE   754,985 0 0
United Technologies Corp COM 913017109 3,018 26,000 SH   SOLE   26,000 0 0
Vertex Pharmaceuticals Inc COM 92532F100 71,854 472,600 SH   SOLE   472,600 0 0
Visa Inc COM CL A 92826C839 46,297 439,918 SH   SOLE   439,918 0 0
Vulcan Matls Co COM 929160109 37,649 314,795 SH   SOLE   314,795 0 0
Wells Fargo Co New COM 949746101 458,724 8,317,754 SH   SOLE   8,317,754 0 0
Wells Fargo Co New COM 949746101 13,721 248,800 SH Call SOLE   248,800 0 0
Westlake Chem Corp COM 960413102 41,420 498,495 SH   SOLE   498,495 0 0
Williams Cos Inc Del COM 969457100 99,886 3,328,430 SH   SOLE   3,328,430 0 0
Windstream Hldgs Inc COM NEW 97382A200 7,830 4,423,747 SH   SOLE   4,423,747 0 0
Workday Inc CL A 98138H101 7,381 70,033 SH   SOLE   70,033 0 0
Xylem Inc COM 98419M100 16,622 265,400 SH   SOLE   265,400 0 0
Yandex N V SHS CLASS A N97284108 1,002 30,400 SH   SOLE   30,400 0 0
Ypf Sociedad Anonima SPON ADR CL D 984245100 7,591 340,713 SH   DFND 1 340,713 0 0
Zayo Group Hldgs Inc COM 98919V105 18,171 527,915 SH   SOLE   527,915 0 0