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 51,983 585,000 SH   OTR   585,000 0 0
ACCELERON PHARMA INC COM 00434H108 35,939 963,000 SH   OTR   963,000 0 0
AKEBIA THERAPEUTICS INC COM 00972D105 14,359 730,000 SH   OTR   730,000 0 0
AKORN INC COM 009728106 75,673 2,280,000 SH   OTR   2,280,000 0 0
ALERE INC COM 01449J105 137,673 2,700,000 SH   OTR   2,700,000 0 0
ALPHABET INC CAP STK CL C 02079K107 374,364 390,324 SH   OTR   390,324 0 0
ALTABA INC COM 021346101 802,992 12,122,457 SH   OTR   12,122,457 0 0
AMICUS THERAPEUTICS INC COM 03152W109 76,622 5,081,055 SH   OTR   5,081,055 0 0
ANAPTYSBIO INC COM 032724106 8,598 246,000 SH   OTR   246,000 0 0
ANHEUSER BUSCH INBEV SA/NV SPONSORED ADR 03524A108 107,370 900,000 SH   OTR   900,000 0 0
ANTHEM INC COM 036752103 39,875 210,000 SH   OTR   210,000 0 0
ASTRAZENECA PLC SPONSORED ADR 046353108 107,738 3,180,000 SH   OTR   3,180,000 0 0
BARD C R INC COM 067383109 507,993 1,585,000 SH   OTR   1,585,000 0 0
BIOGEN INC COM 09062X103 148,732 475,000 SH   OTR   475,000 0 0
BRISTOL MYERS SQUIBB CO COM 110122108 86,368 1,355,000 SH   OTR   1,355,000 0 0
BROCADE COMMUNICATIONS SYS I COM NEW 111621306 61,304 5,130,000 SH   OTR   5,130,000 0 0
BROOKDALE SR LIVING INC COM 112463104 3,498 330,000 SH   OTR   330,000 0 0
CALPINE CORP COM NEW 131347304 95,285 6,460,000 SH   OTR   6,460,000 0 0
CELLECTIS S A SPONSORED ADS 15117K103 10,953 385,000 SH   OTR   385,000 0 0
CENTURYLINK INC COM 156700106 21,622 1,144,000 SH Put OTR   1,144,000 0 0
CHANGYOU COM LTD ADS REP CL A 15911M107 9,506 240,000 SH   OTR   240,000 0 0
CHARTER COMMUNICATIONS INC N CL A 16119P108 69,506 191,255 SH   OTR   191,255 0 0
CITRIX SYS INC COM 177376100 223,436 2,908,562 SH   OTR   2,908,562 0 0
COMCAST CORP NEW CL A 20030N101 67,018 1,741,621 SH   OTR   1,741,621 0 0
CONSTELLATION BRANDS INC CL A 21036P108 130,614 654,869 SH   OTR   654,869 0 0
DECIPHERA PHARMACEUTICALS IN COM 24344T101 1,899 100,000 SH   OTR   100,000 0 0
DELL TECHNOLOGIES INC COM CL V 24703L103 348,483 4,513,440 SH   OTR   4,513,440 0 0
ENANTA PHARMACEUTICALS INC COM 29251M106 19,297 412,333 SH   OTR   412,333 0 0
ENSCO PLC SHS CLASS A G3157S106 29,372 4,920,000 SH   OTR   4,920,000 0 0
EQUIFAX INC COM 294429105 136,727 1,290,000 SH   OTR   1,290,000 0 0
EXELIXIS INC COM 30161Q104 28,834 1,190,000 SH   OTR   1,190,000 0 0
FACEBOOK INC CL A 30303M102 316,789 1,853,979 SH   OTR   1,853,979 0 0
FIBROGEN INC COM 31572Q808 59,180 1,100,000 SH   OTR   1,100,000 0 0
FIDELITY NATL INFORMATION SV COM 31620M106 147,051 1,574,586 SH   OTR   1,574,586 0 0
GALAPAGOS NV SPON ADR 36315X101 24,035 236,216 SH   OTR   236,216 0 0
GENERAL COMMUNICATION INC CL A 369385109 67,051 1,643,800 SH   OTR   1,643,800 0 0
GILEAD SCIENCES INC COM 375558103 76,564 945,000 SH   OTR   945,000 0 0
GRIFOLS S A SP ADR REP B NVT 398438408 31,298 1,429,773 SH   OTR 1 1,429,773 0 0
HD SUPPLY HLDGS INC COM 40416M105 196,010 5,434,168 SH   OTR   5,434,168 0 0
HERBALIFE LTD COM USD SHS G4412G101 85,455 1,259,835 SH   OTR   1,259,835 0 0
HERBALIFE LTD NOTE 2.000% 8/1 42703MAB9 108,286 108,177,000 PRN   OTR   108,177,000 0 0
HRG GROUP INC COM 40434J100 15,376 985,000 SH   OTR   985,000 0 0
HUNTSMAN CORP COM 447011107 95,970 3,500,000 SH   OTR   3,500,000 0 0
IHS MARKIT LTD SHS G47567105 139,764 3,170,699 SH   OTR   3,170,699 0 0
IONIS PHARMACEUTICALS INC COM 462222100 22,815 450,000 SH   OTR   450,000 0 0
IOVANCE BIOTHERAPEUTICS INC COM 462260100 6,588 850,000 SH   OTR   850,000 0 0
KALA PHARMACEUTICALS INC COM 483119103 2,284 100,000 SH   OTR   100,000 0 0
KITE PHARMA INC COM 49803L109 175,213 974,435 SH   OTR   974,435 0 0
LIBERTY GLOBAL PLC SHS CL A G5480U104 101,490 2,992,935 SH   OTR   2,992,935 0 0
LIBERTY GLOBAL PLC SHS CL C G5480U120 101,036 3,089,773 SH   OTR   3,089,773 0 0
MARINUS PHARMACEUTICALS INC COM 56854Q101 6,868 1,170,000 SH   OTR   1,170,000 0 0
MICROSOFT CORP COM 594918104 191,947 2,576,812 SH   OTR   2,576,812 0 0
MONSANTO CO NEW COM 61166W101 10,784 90,000 SH   OTR   90,000 0 0
MYOKARDIA INC COM 62857M105 17,033 397,500 SH   OTR   397,500 0 0
NIGHTSTAR THERAPEUTICS PLC ADR 65413A101 774 40,300 SH   OTR   40,300 0 0
NUCANA PLC SPONSORED ADR 67022C106 7,348 400,000 SH   OTR   400,000 0 0
NXP SEMICONDUCTORS N V COM N6596X109 873,620 7,725,000 SH   OTR   7,725,000 0 0
PENDRELL CORP CL A NEW 70686R302 5,608 821,061 SH   OTR   821,061 0 0
PLAYA HOTELS & RESORTS NV SHS N70544106 319,230 30,606,930 SH   OTR   30,606,930 0 0
QUALCOMM INC COM 747525103 4,406 85,000 SH   OTR   85,000 0 0
QUINTILES IMS HOLDINGS INC COM 74876Y101 295,483 3,108,053 SH   OTR   3,108,053 0 0
RADIUS HEALTH INC COM NEW 750469207 151,744 3,936,300 SH   OTR   3,936,300 0 0
REGENXBIO INC COM 75901B107 13,740 417,000 SH   OTR   417,000 0 0
RYANAIR HLDGS PLC SPONSORED ADR NE 783513203 20,597 195,382 SH   OTR 1 195,382 0 0
SAGE THERAPEUTICS INC COM 78667J108 15,170 243,500 SH   OTR   243,500 0 0
SANOFI RIGHT 12/31/2020 80105N113 2,458 6,827,805 SH   OTR   6,827,805 0 0
SAVARA INC COM 805111101 20,804 2,225,000 SH   OTR   2,225,000 0 0
SBA COMMUNICATIONS CORP NEW CL A 78410G104 19,697 136,738 SH   OTR   136,738 0 0
SCRIPPS NETWORKS INTERACT IN CL A COM 811065101 20,184 235,000 SH   OTR   235,000 0 0
SOLARCITY CORP NOTE 2.750%11/0 83416TAA8 6,743 6,765,000 PRN   OTR   6,765,000 0 0
SOLARCITY CORP NOTE 1.625%11/0 83416TAC4 78,148 82,332,000 PRN   OTR   82,332,000 0 0
SPDR S&P 500 ETF TR TR UNIT 78462F103 1,642,542 6,538,000 SH Put OTR   6,538,000 0 0
SPECTRUM BRANDS HLDGS INC COM 84763R101 15,570 147,000 SH   OTR   147,000 0 0
STEMLINE THERAPEUTICS INC COM 85858C107 13,181 1,187,500 SH   OTR   1,187,500 0 0
SUTHERLAND ASSET MGMT CORP M COM 86933G105 36,491 2,324,236 SH   OTR   2,324,236 0 0
TIME WARNER INC COM NEW 887317303 862,834 8,422,000 SH   OTR   8,422,000 0 0
TRANSUNION COM 89400J107 109,745 2,322,158 SH   OTR   2,322,158 0 0
VEON LTD SPONSORED ADR 91822M106 123,032 29,433,518 SH   OTR 1 29,433,518 0 0
VERISK ANALYTICS INC COM 92345Y106 136,083 1,635,807 SH   OTR   1,635,807 0 0
VISA INC COM CL A 92826C839 248,752 2,363,668 SH   OTR   2,363,668 0 0
VOYAGER THERAPEUTICS INC COM 92915B106 3,452 167,665 SH   OTR   167,665 0 0
WABTEC CORP COM 929740108 336,357 4,440,356 SH   OTR   4,440,356 0 0
WGL HLDGS INC COM 92924F106 10,104 120,000 SH   OTR   120,000 0 0
ZEALAND PHARMA A S SPONSORED ADR 98920Y304 12,480 650,000 SH   OTR   650,000 0 0
ZOGENIX INC COM NEW 98978L204 11,216 320,000 SH   OTR   320,000 0 0