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
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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
ABBVIE INC COM 00287Y109 3,336 46,012 SH   SOLE   46,012 0 0
ACCURAY INC COM 004397105 50 10,500 SH Call SOLE   10,500 0 0
ADAMAS PHARMACEUTICALS INC COM 00548A106 1,384 79,103 SH   SOLE   79,103 0 0
ADVISORY BRD CO COM 00762W107 227 4,400 SH Call SOLE   4,400 0 0
ADVISORY BRD CO COM 00762W107 5,150 100,000 SH   SOLE   100,000 0 0
AGENUS INC COM NEW 00847G705 782 200,000 SH Call SOLE   200,000 0 0
AGILE THERAPEUTICS INC COM 00847L100 654 174,501 SH   SOLE   174,501 0 0
ALEXION PHARMACEUTICALS INC COM 015351109 10,721 88,112 SH   SOLE   88,112 0 0
ALLIQUA BIOMEDICAL INC COM NEW 019621200 447 1,208,026 SH   SOLE   1,208,026 0 0
ARENA PHARMACEUTICALS INC COM NEW 040047607 590 35,000 SH   SOLE   35,000 0 0
ARRAY BIOPHARMA INC COM 04269X105 2,223 265,589 SH   SOLE   265,589 0 0
ASTRAZENECA PLC SPONSORED ADR 046353108 6,818 200,000 SH Call SOLE   200,000 0 0
ATHENAHEALTH INC COM 04685W103 6,044 43,000 SH   SOLE   43,000 0 0
AVEO PHARMACEUTICALS INC COM 053588109 222 100,000 SH   SOLE   100,000 0 0
AXOGEN INC COM 05463X106 3,004 179,369 SH   SOLE   179,369 0 0
BAXTER INTL INC COM 071813109 7,568 125,000 SH   SOLE   125,000 0 0
BIO RAD LABS INC CL A 090572207 5,164 22,820 SH   SOLE   22,820 0 0
BIOCRYST PHARMACEUTICALS COM 09058V103 556 100,000 SH   SOLE   100,000 0 0
BOSTON SCIENTIFIC CORP COM 101137107 11,658 420,546 SH   SOLE   420,546 0 0
BRUKER CORP COM 116794108 2,354 81,617 SH   SOLE   81,617 0 0
CIDARA THERAPEUTICS INC COM 171757107 1,125 150,000 SH   SOLE   150,000 0 0
CLOVIS ONCOLGY INC COM 189464100 6,554 70,000 SH   SOLE   70,000 0 0
CLOVIS ONCOLGY INC COM 189464100 2,809 30,000 SH Put SOLE   30,000 0 0
DIFFUSION PHARMACEUTICALS IN COM NEW 253748206 193 82,816 SH   SOLE   82,816 0 0
EDWARDS LIFESCIENCES CORP COM 28176E108 3,547 30,000 SH Call SOLE   30,000 0 0
ENVISION HEALTHCARE CORP COM 29414D100 11,732 187,200 SH   SOLE   187,200 0 0
EPIZYME INC COM 29428V104 1,510 100,000 SH   SOLE   100,000 0 0
EXACT SCIENCES CORP COM 30063P105 4,421 125,000 SH   SOLE   125,000 0 0
EXPRESS SCRIPTS HLDG CO COM 30219G108 958 15,000 SH Call SOLE   15,000 0 0
EXPRESS SCRIPTS HLDG CO COM 30219G108 11,153 174,700 SH   SOLE   174,700 0 0
FOAMIX PHARMACEUTICALS LTD SHS M46135105 112 24,100 SH   SOLE   24,100 0 0
GILEAD SCIENCES INC COM 375558103 3,539 50,000 SH   SOLE   50,000 0 0
GLOBUS MED INC CL A 379577208 6,630 200,000 SH   SOLE   200,000 0 0
HISTOGENICS CORP COM 43358V109 24 13,526 SH   SOLE   13,526 0 0
HORIZON PHARMA PLC SHS G4617B105 1,781 150,000 SH   SOLE   150,000 0 0
ICU MED INC COM 44930G107 7,763 45,000 SH   SOLE   45,000 0 0
IMMUNOMEDICS INC COM 452907108 2,268 256,800 SH   SOLE   256,800 0 0
INTERSECT ENT INC COM 46071F103 5,520 197,498 SH   SOLE   197,498 0 0
INTERSECT ENT INC COM 46071F103 126 4,500 SH Call SOLE   4,500 0 0
INTUITIVE SURGICAL INC COM NEW 46120E602 4,677 5,000 SH Call SOLE   5,000 0 0
INVACARE CORP COM 461203101 6,666 505,000 SH   SOLE   505,000 0 0
LABORATORY CORP AMER HLDGS COM NEW 50540R409 10,019 65,000 SH   SOLE   65,000 0 0
LIVANOVA PLC SHS G5509L101 8,570 140,002 SH   SOLE   140,002 0 0
MERCK & CO INC COM 58933Y105 8,332 130,000 SH   SOLE   130,000 0 0
MERCK & CO INC COM 58933Y105 6,409 100,000 SH Call SOLE   100,000 0 0
MERCK & CO INC COM 58933Y105 8,332 130,000 SH Put SOLE   130,000 0 0
NANOSTRING TECHNOLOGIES INC COM 63009R109 6,586 398,206 SH   SOLE   398,206 0 0
NEOS THERAPEUTICS INC COM 64052L106 1,095 150,000 SH   SOLE   150,000 0 0
NEURODERM LTD ORD SHS M74231107 2,093 70,000 SH   SOLE   70,000 0 0
NUVASIVE INC COM 670704105 3,846 50,000 SH Call SOLE   50,000 0 0
NXSTAGE MEDICAL INC COM 67072V103 5,558 221,685 SH   SOLE   221,685 0 0
OTONOMY INC COM 68906L105 1,825 96,800 SH   SOLE   96,800 0 0
PENUMBRA INC COM 70975L107 4,388 50,000 SH   SOLE   50,000 0 0
PRA HEALTH SCIENCES INC COM 69354M108 5,438 72,500 SH   SOLE   72,500 0 0
QIAGEN NV REG SHS N72482107 5,261 156,900 SH   SOLE   156,900 0 0
REGENXBIO INC COM 75901B107 569 28,820 SH   SOLE   28,820 0 0
SAREPTA THERAPEUTICS INC COM 803607100 1,011 30,000 SH   SOLE   30,000 0 0
SAVARA INC COM 805111101 1,176 200,000 SH   SOLE   200,000 0 0
STEADYMED LTD SHS M84920103 1,356 215,214 SH   SOLE   215,214 0 0
STEMLINE THERAPEUTICS INC COM 85858C107 552 60,000 SH   SOLE   60,000 0 0
SUPERNUS PHARMACEUTICALS INC COM 868459108 3,448 80,000 SH   SOLE   80,000 0 0
SYNERGY PHARMACEUTICALS DEL COM NEW 871639308 1,192 267,800 SH Call SOLE   267,800 0 0
TESARO INC COM 881569107 4,182 29,900 SH   SOLE   29,900 0 0
TESARO INC COM 881569107 853 6,100 SH Call SOLE   6,100 0 0
TESARO INC COM 881569107 979 7,000 SH Call SOLE   7,000 0 0
VIEWRAY INC COM 92672L107 1,687 260,670 SH   SOLE   260,670 0 0
VIVEVE MED INC COM 92852W204 1,437 200,132 SH   SOLE   200,132 0 0
WRIGHT MED GROUP N V ORD SHS 0.03 PAR N96617118 2,749 100,000 SH Call SOLE   100,000 0 0
WRIGHT MED GROUP N V RIGHT 03/01/2019 N96617126 857 587,241 SH   SOLE   587,241 0 0