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
ABBOTT LABS COM 002824100 8,669 205,000 SH   SOLE   205,000 0 0
ABBOTT LABS COM 002824100 3,709 87,700 SH Call SOLE   87,700 0 0
ACADIA PHARMACEUTICALS INC COM 004225108 3,915 123,066 SH   SOLE   123,066 0 0
ACCURAY INC COM 004397105 3,185 500,000 SH   SOLE   500,000 0 0
ACCURAY INC COM 004397105 637 100,000 SH Call SOLE   100,000 0 0
ADAMIS PHARMACEUTICALS CORP COM NEW 00547W208 875 255,000 SH   SOLE   255,000 0 0
AETNA INC NEW COM 00817Y108 8,004 69,333 SH   SOLE   69,333 0 0
AGILE THERAPEUTICS INC COM 00847L100 174 24,900 SH   SOLE   24,900 0 0
AKORN INC COM 009728106 3,684 135,125 SH   SOLE   135,125 0 0
ALDEYRA THERAPEUTICS INC COM 01438T106 892 114,067 SH   SOLE   114,067 0 0
ALERE INC COM 01449J105 3,892 90,000 SH   SOLE   90,000 0 0
ALEXION PHARMACEUTICALS INC COM 015351109 8,134 66,375 SH   SOLE   66,375 0 0
ALLERGAN PLC SHS G0177J108 9,788 42,500 SH Put SOLE   42,500 0 0
ALLERGAN PLC SHS G0177J108 2,476 10,750 SH   SOLE   10,750 0 0
ALLIQUA BIOMEDICAL INC COM NEW 019621200 466 583,026 SH   SOLE   583,026 0 0
ALNYLAM PHARMACEUTICALS INC COM 02043Q107 4,177 61,625 SH   SOLE   61,625 0 0
AMARIN CORP PLC SPONS ADR NEW 023111206 1,515 475,000 SH   SOLE   475,000 0 0
AMGEN INC COM 031162100 7,250 43,460 SH   SOLE   43,460 0 0
ARRAY BIOPHARMA INC COM 04269X105 203 30,000 SH   SOLE   30,000 0 0
ATHENAHEALTH INC COM 04685W103 6,937 55,000 SH   SOLE   55,000 0 0
AVEXIS INC COM 05366U100 4,574 111,000 SH   SOLE   111,000 0 0
AVINGER INC COM 053734109 716 150,000 SH Call SOLE   150,000 0 0
AVINGER INC COM 053734109 2,725 571,298 SH   SOLE   571,298 0 0
BARD C R INC COM 067383109 7,850 35,000 SH Put SOLE   35,000 0 0
BAXTER INTL INC COM 071813109 7,616 160,000 SH   SOLE   160,000 0 0
BOSTON SCIENTIFIC CORP COM 101137107 4,760 200,000 SH   SOLE   200,000 0 0
CENTENE CORP DEL COM 15135B101 7,130 106,479 SH   SOLE   106,479 0 0
CYNOSURE INC CL A 232577205 3,056 60,000 SH   SOLE   60,000 0 0
ENVISION HEALTHCARE HLDGS IN COM 29413U103 6,838 307,046 SH   SOLE   307,046 0 0
ENVISION HEALTHCARE HLDGS IN COM 29413U103 6,681 300,000 SH Put SOLE   300,000 0 0
EXACT SCIENCES CORP COM 30063P105 1,857 100,000 SH Call SOLE   100,000 0 0
FIRST TR EXHANGE TRADED FD HLTH CARE ALPH 33734X143 9,128 150,000 SH Put SOLE   150,000 0 0
FIVE PRIME THERAPEUTICS INC COM 33830X104 787 15,000 SH   SOLE   15,000 0 0
FLEX PHARMA INC COM 33938A105 1,673 142,000 SH   SOLE   142,000 0 0
FOAMIX PHAMACEUTICALS LTD SHS M46135105 1,269 137,000 SH   SOLE   137,000 0 0
GLAXOSMITHKLINE PLC SPONSORED ADR 37733W105 6,485 150,357 SH   SOLE   150,357 0 0
GW PHARMACEUTICALS PLC ADS 36197T103 3,697 27,855 SH   SOLE   27,855 0 0
HCA HOLDINGS INC COM 40412C101 5,672 75,000 SH Put SOLE   75,000 0 0
HCA HOLDINGS INC COM 40412C101 4,916 65,000 SH Put SOLE   65,000 0 0
HILL ROM HLDGS INC COM 431475102 3,099 50,000 SH   SOLE   50,000 0 0
HISTOGENICS CORP COM 43358V109 142 44,226 SH   SOLE   44,226 0 0
HORIZON PHARMA PLC SHS G4617B105 2,742 151,250 SH   SOLE   151,250 0 0
HORIZON PHARMA PLC SHS G4617B105 907 50,000 SH Call SOLE   50,000 0 0
IMMUNOMEDICS INC COM 452907108 1,039 319,565 SH   SOLE   319,565 0 0
INOTEK PHARMACEUTICALS CORP COM 45780V102 1,057 111,468 SH   SOLE   111,468 0 0
INSULET CORP COM 45784P101 3,054 74,600 SH   SOLE   74,600 0 0
INTERSECT ENT INC COM 46071F103 4,356 275,000 SH   SOLE   275,000 0 0
INVACARE CORP COM 461203101 3,463 310,000 SH   SOLE   310,000 0 0
JAZZ PHARMACEUTICALS PLC SHS USD G50871105 4,123 33,936 SH   SOLE   33,936 0 0
K2M GROUP HLDGS INC COM 48273J107 6,671 375,223 SH   SOLE   375,223 0 0
KITE PHARMA INC COM 49803L109 2,206 39,500 SH Put SOLE   39,500 0 0
KITE PHARMA INC COM 49803L109 2,765 49,500 SH   SOLE   49,500 0 0
LILLY ELI & CO COM 532457108 7,494 93,375 SH   SOLE   93,375 0 0
LILLY ELI & CO COM 532457108 6,541 81,500 SH Call SOLE   81,500 0 0
MEDPACE HLDGS INC COM 58506Q109 4,731 158,428 SH   SOLE   158,428 0 0
MOLINA HEALTHCARE INC COM 60855R100 4,082 70,000 SH   SOLE   70,000 0 0
NANOSTRING TECHNOLOGIES INC COM 63009R109 1,938 96,986 SH   SOLE   96,986 0 0
NEOVASC INC COM 64065J106 310 588,594 SH   SOLE   588,594 0 0
NEURODERM LTD ORD SHS M74231107 743 40,183 SH   SOLE   40,183 0 0
NOVARTIS A G SPONSORED ADR 66987V109 7,274 92,125 SH   SOLE   92,125 0 0
NXSTAGE MEDICAL INC COM 67072V103 9,121 365,000 SH   SOLE   365,000 0 0
NXSTAGE MEDICAL INC COM 67072V103 1,302 52,100 SH Call SOLE   52,100 0 0
NXSTAGE MEDICAL INC COM 67072V103 1,125 45,000 SH Call SOLE   45,000 0 0
OCERA THERAPEUTICS INC COM 67552A108 657 248,962 SH   SOLE   248,962 0 0
OPHTHOTECH CORP COM 683745103 1,716 37,200 SH Call SOLE   37,200 0 0
OPHTHOTECH CORP COM 683745103 1,961 42,500 SH   SOLE   42,500 0 0
ORTHOFIX INTL N V COM N6748L102 2,994 70,000 SH   SOLE   70,000 0 0
PENUMBRA INC COM 70975L107 3,800 50,000 SH   SOLE   50,000 0 0
PUMA BIOTECHNOLOGY INC COM 74587V107 3,294 49,125 SH   SOLE   49,125 0 0
RADIUS HEALTH INC COM NEW 750469207 1,070 19,775 SH   SOLE   19,775 0 0
SAREPTA THERAPEUTICS INC COM 803607100 2,456 40,000 SH   SOLE   40,000 0 0
SHIRE PLC SPONSORED ADR 82481R106 7,249 37,391 SH   SOLE   37,391 0 0
SIENTRA INC COM 82621J105 4,968 552,664 SH   SOLE   552,664 0 0
SPECTRANETICS CORP COM 84760C107 2,509 100,000 SH   SOLE   100,000 0 0
STEADYMED LTD SHS M84920103 285 79,434 SH   SOLE   79,434 0 0
STRYKER CORP COM 863667101 9,817 84,333 SH   SOLE   84,333 0 0
STRYKER CORP COM 863667101 8,731 75,000 SH Call SOLE   75,000 0 0
SYNERGY PHARMACEUTICALS DEL COM NEW 871639308 2,273 412,500 SH   SOLE   412,500 0 0
T2 BIOSYSTEMS INC COM 89853L104 441 60,929 SH   SOLE   60,929 0 0
TENET HEALTHCARE CORP COM NEW 88033G407 2,379 105,000 SH   SOLE   105,000 0 0
TENET HEALTHCARE CORP COM NEW 88033G407 3,399 150,000 SH Call SOLE   150,000 0 0
TENET HEALTHCARE CORP COM NEW 88033G407 4,532 200,000 SH Put SOLE   200,000 0 0
ULTRAGENYX PHARMACEUTICAL IN COM 90400D108 2,820 39,750 SH   SOLE   39,750 0 0
VIVEVE MED INC COM 92852W204 2,262 313,308 SH   SOLE   313,308 0 0
WRIGHT MED GROUP N V RIGHT 03/01/2019 N96617126 769 586,936 SH   SOLE   586,936 0 0
WRIGHT MED GROUP N V ORD SHS 0.03 PAR N96617118 3,802 155,000 SH   SOLE   155,000 0 0
ZELTIQ AESTHETICS INC COM 98933Q108 3,530 90,000 SH   SOLE   90,000 0 0
ZIMMER BIOMET HLDGS INC COM 98956P102 5,286 40,652 SH   SOLE   40,652 0 0