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
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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
ALEXION PHARMACEUTICALS INC COM 015351109 58,416 600,000 SH   SOLE   600,000 0 0
ALLERGAN PLC SHS G0177J108 133,660 1,000,000 SH Call SOLE   1,000,000 0 0
ALLERGAN PLC SHS G0177J108 133,660 1,000,000 SH   SOLE   1,000,000 0 0
ALNYLAM PHARMACEUTICALS INC COM 02043Q107 43,746 600,000 SH   SOLE   600,000 0 0
AMAG PHARMACEUTICALS INC COM 00163U106 40,254 2,650,000 SH   SOLE   2,650,000 0 0
ARENA PHARMACEUTICALS INC COM NEW 040047607 19,475 500,000 SH   SOLE   500,000 0 0
ATARA BIOTHERAPEUTICS INC COM 046513107 66,006 1,900,000 SH   SOLE   1,900,000 0 0
BAUSCH HEALTH COS INC COM 071734107 18,470 1,000,000 SH   SOLE   1,000,000 0 0
BIOGEN INC COM 09062X103 75,230 250,000 SH   SOLE   250,000 0 0
BRISTOL MYERS SQUIBB CO COM 110122108 51,980 1,000,000 SH Call SOLE   1,000,000 0 0
BROOKDALE SENIOR LIVING COM 112463104 50,250 7,500,000 SH   SOLE   7,500,000 0 0
CARDINAL HEALTH INC COM 14149Y108 44,600 1,000,000 SH Call SOLE   1,000,000 0 0
CELGENE CORP COM 151020104 96,135 1,500,000 SH   SOLE   1,500,000 0 0
CLOVIS ONCOLOGY INC COM 189464100 50,288 2,800,000 SH   SOLE   2,800,000 0 0
DAVITA INC COM 23918K108 8,621 167,528 SH   SOLE   167,528 0 0
EAGLE PHARMACEUTICALS INC COM 269796108 11,749 291,600 SH   SOLE   291,600 0 0
ENDOLOGIX INC COM 29266S106 6,659 9,300,000 SH   SOLE   9,300,000 0 0
GLAXOSMITHKLINE PLC SPONSORED ADR 37733W105 76,420 2,000,000 SH   SOLE   2,000,000 0 0
GLOBAL BLOOD THERAPEUTICS INC COM 37890U108 92,363 2,250,000 SH   SOLE   2,250,000 0 0
HCA HEALTHCARE INC COM 40412C101 31,113 250,000 SH   SOLE   250,000 0 0
MCKESSON CORP COM 58155Q103 96,661 875,000 SH   SOLE   875,000 0 0
MEDICINES CO COM 584688105 38,280 2,000,000 SH   SOLE   2,000,000 0 0
MOMENTA PHARMACEUTICALS INC COM 60877T100 44,160 4,000,000 SH   SOLE   4,000,000 0 0
MYLAN N V SHS EURO N59465109 27,400 1,000,000 SH Call SOLE   1,000,000 0 0
MYLAN N V SHS EURO N59465109 137,000 5,000,000 SH   SOLE   5,000,000 0 0
NEKTAR THERAPEUTICS COM 640268108 65,740 2,000,000 SH   SOLE   2,000,000 0 0
PERRIGO CO PLC SHS G97822103 85,250 2,200,000 SH   SOLE   2,200,000 0 0
PUMA BIOTECHNOLOGY INC COM 74587V107 26,455 1,300,000 SH   SOLE   1,300,000 0 0
SAREPTA THERAPEUTICS INC COM 803607100 38,196 350,000 SH   SOLE   350,000 0 0
SURGERY PARTNERS INC COM 86881A100 1,567 160,084 SH   SOLE   160,084 0 0
SUTRO BIOPHARMA INC COM 869367102 5,412 600,000 SH   SOLE   600,000 0 0
SYNTHORX INC COM 87167A103 32,364 1,862,116 SH   SOLE   1,862,116 0 0
TENET HEALTHCARE CORP COM NEW 88033G407 55,705 3,250,000 SH   SOLE   3,250,000 0 0
TESARO INC COM 881569107 207,900 2,800,000 SH   SOLE   2,800,000 0 0
UNIVERSAL HLTH SVCS INC CL B 913903100 104,904 900,000 SH   SOLE   900,000 0 0
ZYMEWORKS INC COM 98985W102 31,797 2,166,000 SH   SOLE   2,166,000 0 0