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
SPECTRUM PHARMACEUTICALS INC NOTE 2.750%12/1 84763AAB4 1,421,875 1,000,000 SH   SOLE   1,000,000 0 0
DECIPHERA PHARMACEUTICALS IN COM 24344T101 1,329,300 70,000 SH   SOLE   70,000 0 0
Alexion Pharmaceuticals Inc COM 015351109 3,352,931 23,900 SH   SOLE   23,900 0 0
Incyte Corp COM 45337C102 5,837,000 50,000 SH   SOLE   50,000 0 0
BIOCRYST PHARMACEUTICALS COM 09058V103 786,000 150,000 SH   SOLE   150,000 0 0
SAVARA INC COM 805111101 1,617,765 173,023 SH   SOLE   173,023 0 0
Insmed Inc COM PAR $.01 457669307 2,734,027 87,601 SH   SOLE   87,601 0 0
Merck & Co Inc COM 58933Y105 9,897,117 154,570 SH   SOLE   154,570 0 0
Aveo Pharmaceuticals Inc COM 053588109 1,919,170 525,800 SH   SOLE   525,800 0 0
Vertex Pharmaceuticals Inc COM 92532F100 4,545,996 29,900 SH   SOLE   29,900 0 0
Zogenix Inc COM NEW 98978L204 1,402,000 40,000 SH   SOLE   40,000 0 0
Arena Pharmaceuticals Inc COM NEW 040047607 2,848,350 111,700 SH   SOLE   111,700 0 0
Fibrocell Science Inc COM PAR 315721308 908,820 297,000 SH   SOLE   297,000 0 0
Sarepta Therapeutics Inc COM 803607100 2,268,000 50,000 SH   SOLE   50,000 0 0
Revance Therapeutics Inc COM 761330109 1,377,500 50,000 SH   SOLE   50,000 0 0
Versartis Inc COM 92529L102 245 100 SH   SOLE   100 0 0
SPARK THERAPEUTICS INC COM 84652J103 3,351,435 37,589 SH   SOLE   37,589 0 0
Inotek Pharmaceuticals Corp COM 45780V102 2,038,992 1,145,501 SH   SOLE   1,145,501 0 0
Collegium Pharmaceutical Inc COM 19459J104 1,228,704 117,131 SH   SOLE   117,131 0 0
MEI PHARMA INC COM NEW 55279B202 54,038 196,500 SH Call SOLE   196,500 0 0
PTC THERAPEUTICS INC COM 69366J200 50,000 100,000 SH Call SOLE   100,000 0 0
SYNERGY PHARMACEUTICALS DEL COM NEW 871639308 5,000 100,000 SH Call SOLE   100,000 0 0
PUMA BIOTECHNOLOGY INC COM 74587V107 553,750 25,000 SH Call SOLE   25,000 0 0
AMICUS THERAPEUTICS INC COM 03152W109 130,000 200,000 SH Call SOLE   200,000 0 0
Five Prime Therapeutics Inc COM 33830X104 937,500 75,000 SH Call SOLE   75,000 0 0
BRISTOL MYERS SQUIBB CO COM 110122108 8,500 100,000 SH Call SOLE   100,000 0 0
Pfizer Inc COM 717081103 10,000 500,000 SH Call SOLE   500,000 0 0
Exelixis Inc COM 30161Q104 660 6,600 SH Call SOLE   6,600 0 0
TransEnterix Inc COM NEW 89366M201 75,000 500,000 SH Call SOLE   500,000 0 0
Zogenix Inc COM NEW 98978L204 566,530 62,600 SH Call SOLE   62,600 0 0
Exelixis Inc COM 30161Q104 5,500 44,000 SH Call SOLE   44,000 0 0
PTC Therapeutics Inc COM 69366J200 3,990 2,800 SH Call SOLE   2,800 0 0
Adamas Pharmaceuticals Inc COM 00548A106 55,000 200,000 SH Call SOLE   200,000 0 0
SPDR SERIES TRUST S&P BIOTECH 78464A870 32,250 50,000 SH Put SOLE   50,000 0 0
AERIE PHARMACEUTICALS INC COM 00771V108 202,400 35,200 SH Put SOLE   35,200 0 0
NewLink Genetics Corp COM 651511107 242,688 176,500 SH Put SOLE   176,500 0 0
ISHARES TR NASDAQ BIOTECH 464287556 36,500 10,000 SH Put SOLE   10,000 0 0
Aveo Pharmaceuticals Inc COM 053588109 57,560 575,600 SH Put SOLE   575,600 0 0
Incyte Corp COM 45337C102 1,440,000 50,000 SH Put SOLE   50,000 0 0
Five Prime Therapeutics Inc COM 33830X104 797,500 72,500 SH Call SOLE   72,500 0 0
BIOCRYST PHARMACEUTICALS COM 09058V103 2,135 30,500 SH Call SOLE   30,500 0 0
Insmed Inc COM PAR $.01 457669307 42,315 54,600 SH Call SOLE   54,600 0 0
SPARK THERAPEUTICS INC COM 84652J103 140,000 35,000 SH Call SOLE   35,000 0 0
Puma Biotechnology Inc COM 74587V107 277,500 25,000 SH Call SOLE   25,000 0 0
Egalet Corp COM 28226B104 50,000 500,000 SH Call SOLE   500,000 0 0
Incyte Corp COM 45337C102 630,000 50,000 SH Call SOLE   50,000 0 0
Amicus Therapeutics Inc COM 03152W109 17,200 68,800 SH Call SOLE   68,800 0 0
Sarepta Therapeutics Inc COM 803607100 33,750 30,000 SH Call SOLE   30,000 0 0
Amicus Therapeutics Inc COM 03152W109 29,520 131,200 SH Call SOLE   131,200 0 0
Gilead Sciences Inc COM 375558103 27,900 30,000 SH Put SOLE   30,000 0 0
Amgen Inc COM 031162100 11,550 35,000 SH Put SOLE   35,000 0 0
Zogenix Inc COM NEW 98978L204 7,085 21,800 SH Put SOLE   21,800 0 0
Zogenix Inc COM NEW 98978L204 27,500 50,000 SH Put SOLE   50,000 0 0
PTC Therapeutics Inc COM 69366J200 5,920 59,200 SH Put SOLE   59,200 0 0
Array Biopharma Inc COM 04269X105 17,500 100,000 SH Put SOLE   100,000 0 0
Ironwood Pharmaceuticals Inc COM CL A 46333X108 72,500 100,000 SH Put SOLE   100,000 0 0
SPDR SERIES TRUST S&P BIOTECH 78464A870 6,000 50,000 SH Put SOLE   50,000 0 0
Adamas Pharmaceuticals Inc COM 00548A106 97,500 150,000 SH Put SOLE   150,000 0 0
Clovis Oncology Inc COM 189464100 2,000 40,000 SH Put SOLE   40,000 0 0
Array Biopharma Inc COM 04269X105 3,938 52,500 SH Put SOLE   52,500 0 0
Incyte Corp COM 45337C102 135,450 43,000 SH Put SOLE   43,000 0 0
NewLink Genetics Corp COM 651511107 56,875 175,000 SH Put SOLE   175,000 0 0
BRISTOL MYERS SQUIBB CO COM 110122108 4,000 100,000 SH Put SOLE   100,000 0 0
Envision Healthcare Corp COM 29414D100 5,537,480 123,192 SH   SOLE   123,192 0 0
DENTSPLY SIRONA Inc COM 24906P109 9,569,600 160,000 SH   SOLE   160,000 0 0
ICU MED INC COM 44930G107 10,686,375 57,500 SH   SOLE   57,500 0 0
Invacare Corp COM 461203101 7,875,000 500,000 SH   SOLE   500,000 0 0
Molina Healthcare Inc COM 60855R100 1,719,000 25,000 SH   SOLE   25,000 0 0
CENTENE CORP DEL COM 15135B101 7,741,600 80,000 SH   SOLE   80,000 0 0
Quidel Corp COM 74838J101 4,824,600 110,000 SH   SOLE   110,000 0 0
DexCom Inc COM 252131107 5,871,000 120,000 SH   SOLE   120,000 0 0
ABBOTT LABS COM 002824100 4,268,800 80,000 SH   SOLE   80,000 0 0
EXPRESS SCRIPTS HLDG CO COM 30219G108 6,332,000 100,000 SH   SOLE   100,000 0 0
Boston Scientific Corp COM 101137107 11,376,300 390,000 SH   SOLE   390,000 0 0
Brooks Automation Inc COM 114340102 2,884,200 95,000 SH   SOLE   95,000 0 0
BAXTER INTL INC COM 071813109 8,471,250 135,000 SH   SOLE   135,000 0 0
BIO RAD LABS INC CL A 090572207 6,222,160 28,000 SH   SOLE   28,000 0 0
athenahealth Inc COM 04685W103 7,436,728 59,800 SH   SOLE   59,800 0 0
GLOBUS MED INC CL A 379577208 3,836,079 129,074 SH   SOLE   129,074 0 0
Stemline Therapeutics Inc COM 85858C107 666,000 60,000 SH   SOLE   60,000 0 0
NanoString Technologies Inc COM 63009R109 4,444,000 275,000 SH   SOLE   275,000 0 0
AXOGEN INC COM 05463X106 4,436,529 229,278 SH   SOLE   229,278 0 0
Alliqua BioMedical Inc COM NEW 019621200 441,050 1,208,026 SH   SOLE   1,208,026 0 0
Intersect ENT Inc COM 46071F103 6,230,000 200,000 SH   SOLE   200,000 0 0
AGILE THERAPEUTICS INC COM 00847L100 1,291,174 289,501 SH   SOLE   289,501 0 0
Halyard Health Inc COM 40650V100 3,377,250 75,000 SH   SOLE   75,000 0 0
SIENTRA INC COM 82621J105 2,892,120 187,800 SH   SOLE   187,800 0 0
PRA HEALTH SCIENCES INC COM 69354M108 3,427,650 45,000 SH   SOLE   45,000 0 0
Histogenics Corp COM 43358V109 26,781 13,526 SH   SOLE   13,526 0 0
VIVEVE MED INC COM NEW 92852W204 1,048,692 200,132 SH   SOLE   200,132 0 0
REGENXBIO INC COM 75901B107 1,117,664 33,920 SH   SOLE   33,920 0 0
PENUMBRA INC COM 70975L107 5,379,984 59,579 SH   SOLE   59,579 0 0
ViewRay Inc COM 92672L107 3,496,550 607,040 SH   SOLE   607,040 0 0
EXPRESS SCRIPTS HLDG CO COM 30219G108 10,800 15,000 SH Call SOLE   15,000 0 0
NanoString Technologies Inc COM 63009R109 37,500 100,000 SH Call SOLE   100,000 0 0
Edwards Lifesciences Corp COM 28176E108 10,500 35,000 SH Call SOLE   35,000 0 0
Walgreens Boots Alliance Inc COM 931427108 47,950 70,000 SH Call SOLE   70,000 0 0
TransEnterix Inc COM NEW 89366M201 15,000 100,000 SH Call SOLE   100,000 0 0
DexCom Inc COM 252131107 165,000 55,000 SH Call SOLE   55,000 0 0
ABBOTT LABS COM 002824100 46,125 75,000 SH Call SOLE   75,000 0 0
Intuitive Surgical Inc COM NEW 46120E602 8,500 4,000 SH Call SOLE   4,000 0 0
Quidel Corp COM 74838J101 21,500 10,000 SH Put SOLE   10,000 0 0
Quidel Corp COM 74838J101 13,050 18,000 SH Put SOLE   18,000 0 0
Alere Inc COM 01449J105 5 200 SH Put SOLE   200 0 0
BAXTER INTL INC COM 071813109 83,700 135,000 SH Put SOLE   135,000 0 0
SELECT SECTOR SPDR TR SBI HEALTHCARE 81369Y209 41,500 100,000 SH Put SOLE   100,000 0 0
FIRST TR EXCHANGE TRADED FD HLTH CARE ALPH 33734X143 10,000 50,000 SH Put SOLE   50,000 0 0
ISHARES TR RUSSELL 2000 ETF 464287655 36,600 40,000 SH Put SOLE   40,000 0 0
SPDR S&P 500 ETF TR TR UNIT 78462F103 2,500 100,000 SH Put SOLE   100,000 0 0
BAXTER INTL INC COM 071813109 14,175 135,000 SH Call SOLE   135,000 0 0
Walgreens Boots Alliance Inc COM 931427108 17,150 70,000 SH Call SOLE   70,000 0 0
BIO RAD LABS INC CL A 090572207 6,250 25,000 SH Call SOLE   25,000 0 0
GLOBUS MED INC CL A 379577208 17,500 100,000 SH Call SOLE   100,000 0 0
DexCom Inc COM 252131107 28,875 55,000 SH Call SOLE   55,000 0 0
DexCom Inc COM 252131107 23,625 35,000 SH Put SOLE   35,000 0 0
Intuitive Surgical Inc COM NEW 46120E602 9,100 4,000 SH Put SOLE   4,000 0 0
Cantel Medical Corp COM 138098108 4,000 40,000 SH Put SOLE   40,000 0 0
Walgreens Boots Alliance Inc COM 931427108 84,700 70,000 SH Put SOLE   70,000 0 0
Edwards Lifesciences Corp COM 28176E108 31,500 35,000 SH Put SOLE   35,000 0 0
ISHARES TR RUSSELL 2000 ETF 464287655 13,000 40,000 SH Put SOLE   40,000 0 0
EXPRESS SCRIPTS HLDG CO COM 30219G108 25,950 15,000 SH Put SOLE   15,000 0 0