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
Abbott Laboratories COM 002824100 12,930 212,000 SH   SOLE   0 0 212,000
AbbVie Inc COM 00287Y109 6,486 70,000 SH   SOLE   0 0 70,000
Abiomed Inc COM 003654100 24,707 60,400 SH   SOLE   0 0 60,400
Acadia Pharmaceuticals Inc COM 004225108 3,359 220,000 SH   SOLE   0 0 220,000
Achillion Pharmaceuticals Inc COM 00448Q201 1,748 617,800 SH   SOLE   0 0 617,800
Adamas Pharmaceuticals Inc COM 00548A106 8,477 328,193 SH   SOLE   0 0 328,193
Adverum Biotechnologies Inc COM 00773U108 816 153,965 SH   SOLE   0 0 153,965
Aerie Pharmaceuticals Inc COM 00771V108 4,729 70,000 SH   SOLE   0 0 70,000
Aetna Inc COM 00817Y108 12,845 70,000 SH   SOLE   0 0 70,000
Agios Pharmaceuticals Inc COM 00847X104 13,513 160,428 SH   SOLE   0 0 160,428
Alexion Pharmaceuticals Inc COM 015351109 23,820 191,863 SH   SOLE   0 0 191,863
Alkermes Plc SHS G01767105 11,936 290,000 SH   SOLE   0 0 290,000
Allergan Plc SHS G0177J108 20,848 125,045 SH   SOLE   0 0 125,045
Alnylam Pharmaceuticals Inc COM 02043Q107 11,225 113,967 SH   SOLE   0 0 113,967
Alphabet Inc A CAP STK CL A 02079K305 201 178 SH   SOLE   0 0 178
AmerisourceBergen Corp COM 03073E105 10,596 124,261 SH   SOLE   0 0 124,261
Anheuser-Busch InBev SA ADR spons repr 1 Share SPONSORED ADR 03524A108 382 3,788 SH   SOLE   0 0 3,788
Anthem Inc COM 036752103 18,090 76,000 SH   SOLE   0 0 76,000
Arena Pharmaceuticals Inc Reg COM NEW 040047607 12,409 284,621 SH   SOLE   0 0 284,621
Array BioPharma Inc COM 04269X105 12,138 723,370 SH   SOLE   0 0 723,370
Becton Dickinson & Co COM 075887109 20,363 85,000 SH   SOLE   0 0 85,000
Biogen Inc COM 09062X103 3,773 13,000 SH   SOLE   0 0 13,000
BioMarin Pharmaceutical Inc COM 09061G101 22,594 239,849 SH   SOLE   0 0 239,849
Boston Scientific Corp COM 101137107 11,379 347,968 SH   SOLE   0 0 347,968
Bristol Myers Squibb Co COM 110122108 24,350 440,000 SH   SOLE   0 0 440,000
Celgene Corp COM 151020104 16,734 210,698 SH   SOLE   0 0 210,698
Centene Corp COM 15135B101 8,009 65,000 SH   SOLE   0 0 65,000
Chevron Corp COM 166764100 472 3,733 SH   SOLE   0 0 3,733
Chimerix Inc COM 16934W106 1,628 342,000 SH   SOLE   0 0 342,000
Cigna Corp COM 125509109 22,161 130,400 SH   SOLE   0 0 130,400
Coherus BioSciences Inc COM 19249H103 4,900 350,000 SH   SOLE   0 0 350,000
CVS Health Corp COM 126650100 24,058 373,868 SH   SOLE   0 0 370,000
Diplomat Pharmacy Inc Reg COM 25456K101 3,639 142,364 SH   SOLE   0 0 142,364
Edwards Lifesciences Corp COM 28176E108 9,952 68,364 SH   SOLE   0 0 68,364
Eli Lilly & Co COM 532457108 17,066 200,000 SH   SOLE   0 0 200,000
Esperion Therapeutics Inc COM 29664W105 15,925 406,361 SH   SOLE   0 0 406,361
Exelixis Inc COM 30161Q104 20,255 941,214 SH   SOLE   0 0 941,214
Express Scripts Hg Co COM 30219G108 22,777 295,000 SH   SOLE   0 0 295,000
Exxon Mobil Corp COM 30231G102 563 6,804 SH   SOLE   0 0 6,804
FibroGen Inc COM 31572Q808 14,996 239,547 SH   SOLE   0 0 239,547
Flexion Therapeutics Inc COM 33938J106 9,094 351,786 SH   SOLE   0 0 351,786
Ford Motor Co COM PAR 345370860 359 32,405 SH   SOLE   0 0 32,405
Gilead Sciences Inc COM 375558103 18,562 262,027 SH   SOLE   0 0 258,200
Glaukos Corp COM 377322102 14,630 360,000 SH   SOLE   0 0 360,000
Halliburton Co (Hg Co) COM 406216101 415 9,221 SH   SOLE   0 0 9,221
Horizon Pharma Plc SHS G4617B105 27,029 1,632,212 SH   SOLE   0 0 1,632,212
Humana Inc COM 444859102 21,727 73,000 SH   SOLE   0 0 73,000
IBM Corp COM 459200101 344 2,461 SH   SOLE   0 0 2,461
Immunomedics Inc COM 452907108 10,778 455,330 SH   SOLE   0 0 455,330
Incyte Corp Ltd COM 45337C102 25,712 383,763 SH   SOLE   0 0 383,763
Intra-Cellular Therapies Inc COM 46116X101 12,315 696,957 SH   SOLE   0 0 696,957
Iovance Biotherapeutics Inc Reg COM 462260100 10,848 847,476 SH   SOLE   0 0 847,476
Janus Henderson Group Plc Reg ORD SHS G4474Y214 363 11,828 SH   SOLE   0 0 11,828
Jazz Pharmaceuticals Plc SHS USD G50871105 22,130 128,436 SH   SOLE   0 0 128,436
Johnson & Johnson COM 478160104 7,280 60,000 SH   SOLE   0 0 60,000
JPMorgan Chase & Co COM 46625H100 441 4,235 SH   SOLE   0 0 4,235
Livanova Plc SHS G5509L101 8,485 85,000 SH   SOLE   0 0 85,000
Loxo Oncology Inc COM 548862101 21,331 122,961 SH   SOLE   0 0 122,961
Macrogenics Inc COM 556099109 6,711 325,000 SH   SOLE   0 0 325,000
Medicines Co COM 584688105 4,037 110,000 SH   SOLE   0 0 110,000
Medtronic Plc Reg SHS G5960L103 23,960 279,874 SH   SOLE   0 0 275,110
Microsoft Corp COM 594918104 285 2,887 SH   SOLE   0 0 2,887
MyoKardia Inc Reg COM 62857M105 9,844 198,272 SH   SOLE   0 0 198,272
Nektar Therapeutics COM 640268108 30,160 617,652 SH   SOLE   0 0 617,652
Neurocrine Biosciences Inc COM 64125C109 10,843 110,377 SH   SOLE   0 0 110,377
NovoCure Ltd Reg ORD SHS G6674U108 14,085 450,000 SH   SOLE   0 0 450,000
Omnicell Inc COM 68213N109 5,789 110,375 SH   SOLE   0 0 110,375
Pfizer Inc COM 717081103 318 8,754 SH   SOLE   0 0 8,754
Pieris Pharmaceuticals Inc Reg COM 720795103 1,521 300,000 SH   SOLE   0 0 300,000
Portola Pharmaceuticals Inc COM 737010108 13,306 352,302 SH   SOLE   0 0 352,302
Qualcomm Inc COM 747525103 407 7,247 SH   SOLE   0 0 7,247
Regeneron Pharmaceuticals Inc COM 75886F107 5,865 17,000 SH   SOLE   0 0 17,000
Regulus Therapeutic Inc COM 75915K101 325 492,878 SH   SOLE   0 0 492,878
Revance Therapeutics Inc COM 761330109 5,577 203,181 SH   SOLE   0 0 203,181
Rigel Pharmaceuticals Inc COM NEW 766559603 4,820 1,703,278 SH   SOLE   0 0 1,703,278
Sage Therapeutics Inc COM 78667J108 20,299 129,679 SH   SOLE   0 0 129,679
Sangamo Therapeutics Inc Reg COM 800677106 14,937 1,051,933 SH   SOLE   0 0 1,051,933
Seattle Genetics Inc Reg COM 812578102 15,270 230,000 SH   SOLE   0 0 230,000
Spark Therapeutics Inc COM 84652J103 14,698 177,600 SH   SOLE   0 0 177,600
Sunesis Pharmaceuticals Inc Reg COM PAR 867328700 907 427,642 SH   SOLE   0 0 427,642
Symantec Corp COM 871503108 261 12,635 SH   SOLE   0 0 12,635
United Health Group Inc COM 91324P102 23,553 96,000 SH   SOLE   0 0 96,000
Walgreens Boots Alliance Inc COM 931427108 19,805 330,000 SH   SOLE   0 0 330,000
Walt Disney Co (The) COM DISNEY 254687106 365 3,483 SH   SOLE   0 0 3,483
Wells Fargo & Co COM 949746101 325 5,858 SH   SOLE   0 0 5,858
Vertex Pharmaceuticals Inc COM 92532F100 26,344 155,000 SH   SOLE   0 0 155,000
ViewRay Inc Reg COM 92672L107 3,575 516,623 SH   SOLE   0 0 516,623
Xencor Inc COM 98401F105 8,011 216,443 SH   SOLE   0 0 216,443
Zogenix Inc Reg COM NEW 98978L204 2,210 50,000 SH   SOLE   0 0 50,000