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 00287Y109 67,697 700,000 SH   OTR   700,000 0 0
ABLYNX NV SPONSORED ADR 00372Y105 58,727 2,350,000 SH   OTR   2,350,000 0 0
ACCELERON PHARMA INC COM 00434H108 46,175 1,088,000 SH   OTR   1,088,000 0 0
AETNA INC NEW COM 00817Y108 940,734 5,215,000 SH   OTR   5,215,000 0 0
AKEBIA THERAPEUTICS INC COM 00972D105 12,268 825,000 SH   OTR   825,000 0 0
AKORN INC COM 009728106 72,559 2,251,300 SH   OTR   2,251,300 0 0
ALPHABET INC CAP STK CL C 02079K107 273,856 261,713 SH   OTR   261,713 0 0
ALTABA INC COM 021346101 821,258 11,757,457 SH   OTR   11,757,457 0 0
AMICUS THERAPEUTICS INC COM 03152W109 40,019 2,781,000 SH   OTR   2,781,000 0 0
ANAPTYSBIO INC COM 032724106 56,504 561,000 SH   OTR   561,000 0 0
ANHEUSER BUSCH INBEV SA/NV SPONSORED ADR 03524A108 164,015 1,470,192 SH   OTR   1,470,192 0 0
ANTHEM INC COM 036752103 185,183 823,000 SH   OTR   823,000 0 0
ASSEMBLY BIOSCIENCES INC COM 045396108 11,313 250,000 SH   OTR   250,000 0 0
ASTRAZENECA PLC SPONSORED ADR 046353108 130,646 3,765,000 SH   OTR   3,765,000 0 0
AUDENTES THERAPEUTICS INC COM 05070R104 9,989 319,662 SH   OTR   319,662 0 0
BEMIS INC COM 081437105 2,867 60,000 SH   OTR   60,000 0 0
BIOGEN INC COM 09062X103 172,028 540,000 SH   OTR   540,000 0 0
BRISTOL MYERS SQUIBB CO COM 110122108 73,076 1,192,500 SH   OTR   1,192,500 0 0
BROOKDALE SR LIVING INC COM 112463104 3,201 330,000 SH   OTR   330,000 0 0
BUNGE LIMITED COM G16962105 7,043 105,000 SH   OTR   105,000 0 0
CALPINE CORP COM NEW 131347304 163,425 10,801,403 SH   OTR   10,801,403 0 0
CAVIUM INC COM 14964U108 15,089 180,000 SH   OTR   180,000 0 0
CENTURYLINK INC COM 156700106 19,082 1,144,000 SH Put OTR   1,144,000 0 0
CHANGYOU COM LTD ADS REP CL A 15911M107 2,550 70,000 SH   OTR   70,000 0 0
CHARTER COMMUNICATIONS INC N CL A 16119P108 155,759 463,625 SH   OTR   463,625 0 0
CITRIX SYS INC COM 177376100 195,394 2,220,383 SH   OTR   2,220,383 0 0
CRISPR THERAPEUTICS AG NAMEN AKT H17182108 20,160 858,602 SH   OTR   858,602 0 0
CYMABAY THERAPEUTICS INC COM 23257D103 10,120 1,100,000 SH   OTR   1,100,000 0 0
DELL TECHNOLOGIES INC COM CL V 24703L103 382,296 4,703,440 SH   OTR   4,703,440 0 0
EDITAS MEDICINE INC COM 28106W103 15,826 515,000 SH   OTR   515,000 0 0
ENANTA PHARMACEUTICALS INC COM 29251M106 54,279 925,000 SH   OTR   925,000 0 0
EQUIFAX INC COM 294429105 153,199 1,299,175 SH   OTR   1,299,175 0 0
FACEBOOK INC CL A 30303M102 269,261 1,525,903 SH   OTR   1,525,903 0 0
FIBROGEN INC COM 31572Q808 78,566 1,657,500 SH   OTR   1,657,500 0 0
FIDELITY NATL INFORMATION SV COM 31620M106 191,132 2,031,376 SH   OTR   2,031,376 0 0
GALAPAGOS NV SPON ADR 36315X101 27,190 290,000 SH   OTR   290,000 0 0
GENERAL COMMUNICATION INC CL A 369385109 64,141 1,643,800 SH   OTR   1,643,800 0 0
GLOBAL BLOOD THERAPEUTICS IN COM 37890U108 13,379 340,000 SH   OTR   340,000 0 0
GRIFOLS S A SP ADR REP B NVT 398438408 32,289 1,408,760 SH   OTR 1 1,408,760 0 0
HAIN CELESTIAL GROUP INC COM 405217100 12,293 290,000 SH   OTR   290,000 0 0
HRG GROUP INC COM 40434J100 19,357 1,142,000 SH   OTR   1,142,000 0 0
HUNTSMAN CORP COM 447011107 80,728 2,425,000 SH   OTR   2,425,000 0 0
IHS MARKIT LTD SHS G47567105 190,439 4,217,914 SH   OTR   4,217,914 0 0
INTELLIA THERAPEUTICS INC COM 45826J105 21,911 1,140,000 SH   OTR   1,140,000 0 0
IONIS PHARMACEUTICALS INC COM 462222100 32,444 645,000 SH   OTR   645,000 0 0
IOVANCE BIOTHERAPEUTICS INC COM 462260100 14,935 1,866,900 SH   OTR   1,866,900 0 0
IQVIA HLDGS INC COM 46266C105 290,072 2,962,944 SH   OTR   2,962,944 0 0
KALA PHARMACEUTICALS INC COM 483119103 3,421 185,000 SH   OTR   185,000 0 0
LIBERTY GLOBAL PLC SHS CL A G5480U104 117,203 3,270,180 SH   OTR   3,270,180 0 0
LIBERTY GLOBAL PLC SHS CL C G5480U120 138,816 4,102,123 SH   OTR   4,102,123 0 0
MARINUS PHARMACEUTICALS INC COM 56854Q101 7,303 895,000 SH   OTR   895,000 0 0
MICROSOFT CORP COM 594918104 197,224 2,305,634 SH   OTR   2,305,634 0 0
MONSANTO CO NEW COM 61166W101 168,747 1,445,000 SH   OTR   1,445,000 0 0
MYOKARDIA INC COM 62857M105 36,363 863,732 SH   OTR   863,732 0 0
NOVOCURE LTD ORD SHS G6674U108 23,533 1,165,000 SH   OTR   1,165,000 0 0
NUCANA PLC SPONSORED ADR 67022C106 4,044 400,000 SH   OTR   400,000 0 0
NXP SEMICONDUCTORS N V COM N6596X109 915,058 7,815,000 SH   OTR   7,815,000 0 0
PLAYA HOTELS & RESORTS NV SHS N70544106 330,249 30,606,930 SH   OTR   30,606,930 0 0
PROTAGONIST THERAPEUTICS INC COM 74366E102 18,720 900,000 SH   OTR   900,000 0 0
QUALCOMM INC COM 747525103 50,562 789,783 SH   OTR   789,783 0 0
RADIUS HEALTH INC COM NEW 750469207 125,056 3,936,300 SH   OTR   3,936,300 0 0
ROCKWELL COLLINS INC COM 774341101 342,853 2,528,044 SH   OTR   2,528,044 0 0
SAGE THERAPEUTICS INC COM 78667J108 65,884 400,000 SH   OTR   400,000 0 0
SANOFI RIGHT 12/31/2020 80105N113 2,595 6,827,805 SH   OTR   6,827,805 0 0
SAVARA INC COM 805111101 33,019 2,225,000 SH   OTR   2,225,000 0 0
SCRIPPS NETWORKS INTERACT IN CL A COM 811065101 3,415 40,000 SH   OTR   40,000 0 0
SPDR S&P 500 ETF TR TR UNIT 78462F103 2,311,915 8,663,400 SH Put OTR   8,663,400 0 0
SPECTRUM BRANDS HLDGS INC COM 84763R101 19,108 170,000 SH   OTR   170,000 0 0
SUTHERLAND ASSET MGMT CORP M COM 86933G105 33,330 2,200,007 SH   OTR   2,200,007 0 0
TIME WARNER INC COM NEW 887317303 390,120 4,265,000 SH   OTR   4,265,000 0 0
TRANSUNION COM 89400J107 206,334 3,754,262 SH   OTR   3,754,262 0 0
TRONOX LTD SHS CL A Q9235V101 3,884 189,375 SH   OTR   189,375 0 0
VEON LTD SPONSORED ADR 91822M106 113,025 29,433,518 SH   OTR 1 29,433,518 0 0
VERISK ANALYTICS INC COM 92345Y106 159,687 1,663,403 SH   OTR   1,663,403 0 0
VISA INC COM CL A 92826C839 304,661 2,671,998 SH   OTR   2,671,998 0 0
VOYAGER THERAPEUTICS INC COM 92915B106 10,870 654,812 SH   OTR   654,812 0 0
WABTEC CORP COM 929740108 440,494 5,409,481 SH   OTR   5,409,481 0 0
WGL HLDGS INC COM 92924F106 8,584 100,000 SH   OTR   100,000 0 0
XPO LOGISTICS INC COM 983793100 8,243 90,000 SH   OTR   90,000 0 0
ZEALAND PHARMA A S SPONSORED ADR 98920Y304 8,840 650,000 SH   OTR   650,000 0 0
ZOGENIX INC COM NEW 98978L204 34,043 850,000 SH   OTR   850,000 0 0