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
ABBVIE INC COM 00287Y909 31,802 420,000 SH Call SOLE   420,000 0 0
ADVANCED DISP SVCS INC COM 00790X101 109,110 3,350,000 SH   SOLE   3,350,000 0 0
AGROFRESH SOLUTIONS *W EXP 07/31/20 00856G117 1 242,331 SH   SOLE   242,331 0 0
ALDER BIOPHARMACEUTICALS INC COM 014339105 58,144 3,082,920 SH   SOLE   3,082,920 0 0
ALDER BIOPHARMACEUTICALS INC COM 014339955 10,373 550,000 SH Put SOLE   550,000 0 0
ALEXION PHARMACEUTICALS INC COM 015351109 2,204 22,500 SH   SOLE   22,500 0 0
ALIBABA GROUP HLDG LTD SPONSORED ADS 01609W102 6,355 38,000 SH   SOLE   38,000 0 0
ALIBABA GROUP HLDG LTD COM 01609W952 1,672 10,000 SH Put SOLE   10,000 0 0
ALLERGAN PLC COM G0177J958 44,597 265,000 SH Put SOLE   265,000 0 0
ALLERGAN PLC SHS G0177J108 880 5,230 SH   SOLE   5,230 0 0
ALTRA INDL MOTION CORP COM 02208R956 2,770 100,000 SH Put SOLE   100,000 0 0
ALTRA INDL MOTION CORP COM 02208R106 2,770 100,000 SH   SOLE   100,000 0 0
ALTRIA GROUP INC COM 02209S103 3,272 80,000 SH   SOLE   80,000 0 0
ALTRIA GROUP INC COM 02209S903 1,023 25,000 SH Call SOLE   25,000 0 0
ALTRIA GROUP INC COM 02209S953 3,272 80,000 SH Put SOLE   80,000 0 0
AMAG PHARMACEUTICALS INC COM 00163U106 1,537 133,100 SH   SOLE   133,100 0 0
AMERICAN AIRLS GROUP INC COM 02376R952 4,248 157,500 SH Put SOLE   157,500 0 0
AMERICAN AIRLS GROUP INC COM 02376R102 4,570 169,439 SH   SOLE   169,439 0 0
AMERICAN AIRLS GROUP INC COM 02376R902 270 10,000 SH Call SOLE   10,000 0 0
AXALTA COATING SYS LTD COM G0750C108 4,221 140,000 SH   SOLE   140,000 0 0
AXALTA COATING SYS LTD COM G0750C958 4,523 150,000 SH Put SOLE   150,000 0 0
AXALTA COATING SYS LTD COM G0750C908 1,508 50,000 SH Call SOLE   50,000 0 0
BAKER HUGHES A GE CO CL A 05722G100 696 30,000 SH   SOLE   30,000 0 0
BANK AMER CORP COM 060505104 2,188 75,000 SH   SOLE   75,000 0 0
BERRY PETE CORP COM 08579X101 655 70,000 SH   SOLE   70,000 0 0
BICYCLE THERAPEUTICS PLC SPONSORED ADS 088786108 657 57,687 SH   SOLE   57,687 0 0
BITAUTO HLDGS LTD SPONSORED ADS 091727107 15,904 1,062,385 SH   SOLE   1,062,385 0 0
BJS WHSL CLUB HLDGS INC COM 05550J901 2,587 100,000 SH Call SOLE   100,000 0 0
BJS WHSL CLUB HLDGS INC COM 05550J101 6,514 251,800 SH   SOLE   251,800 0 0
BOEING CO COM 097023905 2,283 6,000 SH Call SOLE   6,000 0 0
BRISTOL MYERS SQUIBB CO COM 110122908 49,620 978,500 SH Call SOLE   978,500 0 0
BUCKEYE PARTNERS L P UNIT LTD PARTN 118230101 5 125 SH   SOLE   125 0 0
CAESARS ENTMT CORP NOTE 5.000%10/01/24 127686AA1 11,891 7,000,000 PRN   SOLE   7,000,000 0 0
CAESARS ENTMT CORP COM 127686103 84,665 7,261,180 SH   SOLE   7,261,180 0 0
CAMBIUM NETWORKS CORP SHS G17766109 966 99,600 SH   SOLE   99,600 0 0
CAMBREX CORP COM 132011107 1,964 33,000 SH   SOLE   33,000 0 0
CELGENE CORP COM 151020954 192,642 1,940,000 SH Put SOLE   1,940,000 0 0
CELGENE CORP COM 151020904 3,227 32,500 SH Call SOLE   32,500 0 0
CELGENE CORP COM 151020104 615,430 6,197,680 SH   SOLE   6,197,680 0 0
CERIDIAN HCM HLDG INC COM 15677J108 1,728 35,000 SH   SOLE   35,000 0 0
CHANGE HEALTHCARE INC COM 15912K100 1,691 140,000 SH   SOLE   140,000 0 0
CHINA BIOLOGIC PRODS HLDGS I COM G21515104 9,557 83,490 SH   SOLE   83,490 0 0
CIGNA CORP COM 125523950 178,353 1,175,000 SH Put SOLE   1,175,000 0 0
CIGNA CORP COM 125523100 152 1,000 SH   SOLE   1,000 0 0
CLOUDFLARE INC CL A COM 18915M107 464 25,000 SH   SOLE   25,000 0 0
CONSTRUCTION PARTNERS INC COM CL A 21044C107 195 12,500 SH   SOLE   12,500 0 0
CORINDUS VASCULAR ROBOTICS I COM 218730109 8,560 2,000,000 SH   SOLE   2,000,000 0 0
CROSSFIRST BANKSHARES INC COM 22766M109 358 25,000 SH   SOLE   25,000 0 0
CYPRESS SEMICONDUCTOR CORP COM 232806109 224,489 9,618,200 SH   SOLE   9,618,200 0 0
DATADOG INC CL A COM 23804L103 678 20,000 SH   SOLE   20,000 0 0
DROPBOX INC COM 26210C904 2,017 100,000 SH Call SOLE   100,000 0 0
DROPBOX INC CL A 26210C104 5,567 276,000 SH   SOLE   276,000 0 0
DYNATRACE INC COM 268150109 1,214 65,000 SH   SOLE   65,000 0 0
ELANCO ANIMAL HEALTH INC COM 28414H103 385 14,480 SH   SOLE   14,480 0 0
ENDO INTL PLC SHS G30401106 1,220 380,000 SH   SOLE   380,000 0 0
ENERGY TRANSFER LP COM UT LTD PTN 29273V100 25,898 1,980,000 SH   SOLE   1,980,000 0 0
ESPERION THERAPEUTICS INC COM 29664W105 90,853 2,478,261 SH   SOLE   2,478,261 0 0
ESPERION THERAPEUTICS INC COM 29664W905 5,682 155,000 SH Call SOLE   155,000 0 0
EVO PMTS INC CL A COM 26927E104 557 19,800 SH   SOLE   19,800 0 0
EXACT SCIENCES CORP COM 30063P105 2,621 29,000 SH   SOLE   29,000 0 0
EXACT SCIENCES CORP COM 30063P955 16,267 180,000 SH Put SOLE   180,000 0 0
FATE THERAPEUTICS INC COM 31189P102 311 20,000 SH   SOLE   20,000 0 0
FIRST HAWAIIAN INC COM 32051X108 1,335 50,000 SH   SOLE   50,000 0 0
GARDNER DENVER HLDGS INC COM 36555P107 2,829 100,000 SH   SOLE   100,000 0 0
GENERAL ELECTRIC CO COM 369604903 179 20,000 SH Call SOLE   20,000 0 0
GENMAB A S SPONSORED ADS 372303206 739 36,500 SH   SOLE   36,500 0 0
GENOMIC HEALTH INC COM 37244C101 29,841 440,000 SH   SOLE   440,000 0 0
GENWORTH FINL INC COM CL A 37247D106 36,256 8,240,100 SH   SOLE   8,240,100 0 0
GEO GROUP INC COM 36162J106 11,705 675,000 SH   SOLE   675,000 0 0
GLOBAL SHIP LEASE INC COM CL A Y27183600 253 33,055 SH   SOLE   33,055 0 0
HOWARD HUGHES CORP COM 44267D907 17,496 135,000 SH Call SOLE   135,000 0 0
HOWARD HUGHES CORP COM 44267D107 44,971 347,000 SH   SOLE   347,000 0 0
HUMANA INC COM 444859952 19,942 78,000 SH Put SOLE   78,000 0 0
HUMANA INC COM 444859102 16,874 66,000 SH   SOLE   66,000 0 0
I3 VERTICALS INC COM CL A 46571Y107 262 13,000 SH   SOLE   13,000 0 0
INMODE LTD SHS M5425M103 645 30,000 SH   SOLE   30,000 0 0
INSPIRE MED SYS INC COM 457730109 763 12,500 SH   SOLE   12,500 0 0
INTELSAT S A COM L5140P951 42,955 1,884,000 SH Put SOLE   1,884,000 0 0
INTELSAT S A COM L5140P901 6,840 300,000 SH Call SOLE   300,000 0 0
INTELSAT S A COM L5140P101 76,754 3,366,400 SH   SOLE   3,366,400 0 0
INTELSAT S A NOTE 4.500% 6/15/25 45790VAB6 30,947 20,800,000 PRN   SOLE   20,800,000 0 0
INVESCO QQQ TR UNIT SER 1 46090E103 4,720 25,000 SH   SOLE   25,000 0 0
INVESCO QQQ TR COM 46090E953 23,073 122,200 SH Put SOLE   122,200 0 0
ISHARES TR COM 464287953 5,285 25,000 SH Put SOLE   25,000 0 0
KARUNA THERAPEUTICS INC COM 48576A100 1,019 62,450 SH   SOLE   62,450 0 0
KEANE GROUP INC COM 48669A108 1,192 196,700 SH   SOLE   196,700 0 0
LIBERTY PPTY TR SH BEN INT 531172104 12,833 250,000 SH   SOLE   250,000 0 0
LIVONGO HEALTH INC COM 539183103 642 36,810 SH   SOLE   36,810 0 0
MARRIOTT VACTINS WORLDWID CO COM 57164Y107 1,036 10,000 SH   SOLE   10,000 0 0
MAYVILLE ENGINEERING CO INC COM 578605107 791 60,000 SH   SOLE   60,000 0 0
MEDALLIA INC COM 584021109 823 30,000 SH   SOLE   30,000 0 0
MEDICINES CO COM 584688905 5,000 100,000 SH Call SOLE   100,000 0 0
MELLANOX TECHNOLOGIES LTD SHS M51363113 186,106 1,698,200 SH   SOLE   1,698,200 0 0
MELLANOX TECHNOLOGIES LTD COM M51363953 277,811 2,535,000 SH Put SOLE   2,535,000 0 0
MESA AIR GROUP INC COM NEW 590479135 675 100,000 SH   SOLE   100,000 0 0
MILESTONE PHARMACEUTICALS IN COM 59935V107 466 25,000 SH   SOLE   25,000 0 0
MODERNA INC COM 60770K107 271 17,000 SH   SOLE   17,000 0 0
NANOMETRICS INC COM 630077105 688 21,078 SH   SOLE   21,078 0 0
NEW YORK MTG TR INC COM PAR $.02 649604501 305 50,000 SH   SOLE   50,000 0 0
NGM BIOPHARMACEUTICALS INC COM 62921N105 265 19,100 SH   SOLE   19,100 0 0
NXP SEMICONDUCTORS N V COM N6596X959 7,638 70,000 SH Put SOLE   70,000 0 0
NXP SEMICONDUCTORS N V COM N6596X909 208,419 1,910,000 SH Call SOLE   1,910,000 0 0
NXP SEMICONDUCTORS N V COM N6596X109 6,111 56,000 SH   SOLE   56,000 0 0
OCCIDENTAL PETE CORP COM 674599905 59,510 1,338,200 SH Call SOLE   1,338,200 0 0
PARSONS CORPORATION COM 70202L102 1,154 35,000 SH   SOLE   35,000 0 0
PDC ENERGY INC COM 69327R101 2,192 79,000 SH   SOLE   79,000 0 0
PELOTON INTERACTIVE INC CL A COM 70614W100 251 10,000 SH   SOLE   10,000 0 0
PG&E CORP COM 69331C108 85,811 8,581,100 SH   SOLE   8,581,100 0 0
PG&E CORP COM 69331C958 40,416 4,041,600 SH Put SOLE   4,041,600 0 0
PG&E CORP COM 69331C908 3,850 385,000 SH Call SOLE   385,000 0 0
PHILIP MORRIS INTL INC COM 718172109 41,762 550,000 SH   SOLE   550,000 0 0
PING IDENTITY HLDG CORP COM 72341T103 656 38,000 SH   SOLE   38,000 0 0
PIVOTAL SOFTWARE INC COM CL A 72582H107 23,347 1,564,830 SH   SOLE   1,564,830 0 0
PLURALSIGHT INC COM CL A 72941B106 632 37,600 SH   SOLE   37,600 0 0
PROVENTION BIO INC COM 74374N102 137 20,000 SH   SOLE   20,000 0 0
SHOCKWAVE MED INC COM 82489T104 299 10,000 SH   SOLE   10,000 0 0
SILVERBOW RES INC COM 82836G102 6,183 638,052 SH   SOLE   638,052 0 0
SLACK TECHNOLOGIES INC COM CL A 83088V102 712 30,000 SH   SOLE   30,000 0 0
SOLARWINDS CORP COM 83417Q105 923 50,000 SH   SOLE   50,000 0 0
SPARK THERAPEUTICS INC COM 84652J953 96,786 998,000 SH Put SOLE   998,000 0 0
SPARK THERAPEUTICS INC COM 84652J103 204,002 2,103,545 SH   SOLE   2,103,545 0 0
SPDR S&P 500 ETF TR TR UNIT 78462F103 350,189 1,180,000 SH   SOLE   1,180,000 0 0
SPDR S&P 500 ETF TR COM 78462F953 1,586,058 5,344,400 SH Put SOLE   5,344,400 0 0
SPDR S&P 500 ETF TR COM 78462F903 23,742 80,000 SH Call SOLE   80,000 0 0
SPRINT CORPORATION COM 85207U955 43,529 7,055,000 SH Put SOLE   7,055,000 0 0
SPRINT CORPORATION COM 85207U105 2,423 392,700 SH   SOLE   392,700 0 0
SUTRO BIOPHARMA INC COM 869367102 810 89,081 SH   SOLE   89,081 0 0
SVMK INC COM 78489X103 1,197 70,000 SH   SOLE   70,000 0 0
SYNCHRONY FINL COM 87165B903 75,799 2,223,500 SH Call SOLE   2,223,500 0 0
SYNCHRONY FINL COM 87165B103 28,377 832,401 SH   SOLE   832,401 0 0
T MOBILE US INC COM 872590954 3,151 40,000 SH Put SOLE   40,000 0 0
TALLGRASS ENERGY LP CLASS A SHS 874696107 4,028 200,000 SH   SOLE   200,000 0 0
TENABLE HLDGS INC COM 88025T102 517 23,100 SH   SOLE   23,100 0 0
TEVA PHARMACEUTICAL INDS LTD COM 881624909 963 140,000 SH Call SOLE   140,000 0 0
TEXAS INSTRS INC COM 882508954 3,877 30,000 SH Put SOLE   30,000 0 0
TUFIN SOFTWARE TECHNOLOGIS L SHS M8893U102 329 20,000 SH   SOLE   20,000 0 0
TURNING POINT THERAPEUTICS I COM 90041T108 564 15,000 SH   SOLE   15,000 0 0
TURQUOISE HILL RES LTD COM 900435108 84,264 177,322,214 SH   SOLE   177,322,214 0 0
UNITED TECHNOLOGIES CORP COM 913017109 24,164 177,000 SH   SOLE   177,000 0 0
UNITED TECHNOLOGIES CORP COM 913017909 2,048 15,000 SH Call SOLE   15,000 0 0
UNITEDHEALTH GROUP INC COM 91324P952 13,908 64,000 SH Put SOLE   64,000 0 0
UNITEDHEALTH GROUP INC COM 91324P902 20,102 92,500 SH Call SOLE   92,500 0 0
UNITEDHEALTH GROUP INC COM 91324P102 19,559 90,000 SH   SOLE   90,000 0 0
VEREIT INC COM 92339V100 3,119 318,896 SH   SOLE   318,896 0 0
VERSUM MATLS INC COM 92532W103 43,138 815,000 SH   SOLE   815,000 0 0
VIACOM INC CL B 92553P201 48,062 2,000,100 SH   SOLE   2,000,100 0 0
VICI PPTYS INC COM 925652109 29,445 1,300,000 SH   SOLE   1,300,000 0 0
WABCO HLDGS INC COM 92927K102 55,371 413,989 SH   SOLE   413,989 0 0
WABTEC CORP COM 929740108 539 7,500 SH   SOLE   7,500 0 0
WELLCARE HEALTH PLANS INC COM 94946T106 108,851 420,000 SH   SOLE   420,000 0 0
WILLIAMS COS INC DEL COM 969457100 4,090 170,000 SH   SOLE   170,000 0 0
WILLSCOT CORP COM 971375126 1,246 80,000 SH   SOLE   80,000 0 0
WRIGHT MED GROUP N V ORD SHS N96617118 289 14,000 SH   SOLE   14,000 0 0
ZAYO GROUP HLDGS INC COM 98919V105 286,285 8,444,980 SH   SOLE   8,444,980 0 0
ZUORA INC COM CL A 98983V106 497 33,000 SH   SOLE   33,000 0 0