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 3,625 60,500 SH   SOLE   60,500 0 0
ACCURAY INC COM 004397105 1,500 300,000 SH Call SOLE   300,000 0 0
ACCURAY INC COM 004397105 445 88,958 SH   SOLE   88,958 0 0
ACER THERAPEUTICS INC COM 00444P108 805 41,795 SH   SOLE   41,795 0 0
AIMMUNE THERAPEUTICS INC COM 00900T107 821 25,782 SH   SOLE   25,782 0 0
ALEXION PHARMACEUTICALS INC COM 015351109 5,016 45,000 SH   SOLE   45,000 0 0
ALEXION PHARMACEUTICALS INC COM 015351109 3,344 30,000 SH Put SOLE   30,000 0 0
ALLERGAN PLC SHS G0177J108 1,683 10,000 SH   SOLE   10,000 0 0
ALLERGAN PLC SHS G0177J108 1,683 10,000 SH Put SOLE   10,000 0 0
AMGEN INC COM 031162100 1,705 10,000 SH Call SOLE   10,000 0 0
AMICUS THERAPEUTICS INC COM 03152W109 1,504 100,000 SH   SOLE   100,000 0 0
ARENA PHARMACEUTICALS INC COM NEW 040047607 1,975 50,000 SH   SOLE   50,000 0 0
ARRAY BIOPHARMA INC COM 04269X105 816 50,000 SH Call SOLE   50,000 0 0
ATHENAHEALTH INC COM 04685W103 3,576 25,000 SH   SOLE   25,000 0 0
BAXTER INTL INC COM 071813109 4,878 75,000 SH   SOLE   75,000 0 0
BIOHAVEN PHARMACTL HLDG CO L COM G11196105 829 32,186 SH   SOLE   32,186 0 0
BIOHAVEN PHARMACTL HLDG CO L COM G11196105 515 20,000 SH Put SOLE   20,000 0 0
BIOMARIN PHARMACEUTICAL INC COM 09061G101 3,543 43,700 SH   SOLE   43,700 0 0
BOSTON SCIENTIFIC CORP COM 101137107 2,391 87,500 SH   SOLE   87,500 0 0
BRISTOL-MYERS SQUIBB CO COM 110122108 6,325 100,000 SH Call SOLE   100,000 0 0
CARDIOVASCULAR SYS INC DEL COM 141619106 1,469 67,000 SH   SOLE   67,000 0 0
CIGNA CORPORATION COM 125509109 5,871 35,000 SH Call SOLE   35,000 0 0
CLEARSIDE BIOMEDICAL INC COM 185063104 725 67,610 SH   SOLE   67,610 0 0
COHERUS BIOSCIENCES INC COM 19249H103 553 50,000 SH Call SOLE   50,000 0 0
CONFORMIS INC COM 20717E101 1,060 731,041 SH   SOLE   731,041 0 0
DEXCOM INC COM 252131107 2,754 37,140 SH   SOLE   37,140 0 0
EDWARDS LIFESCIENCES CORP COM 28176E108 3,488 25,000 SH   SOLE   25,000 0 0
EVOLUS INC COM 30052C107 926 102,544 SH   SOLE   102,544 0 0
EXELIXIS INC COM 30161Q104 886 40,000 SH   SOLE   40,000 0 0
FATE THERAPEUTICS INC COM 31189P102 582 59,600 SH   SOLE   59,600 0 0
FOAMIX PHARMACEUTICALS LTD SHS M46135105 124 24,100 SH   SOLE   24,100 0 0
GLAUKOS CORP COM 377322102 1,233 40,000 SH   SOLE   40,000 0 0
GLOBUS MED INC CL A 379577208 6,726 135,000 SH   SOLE   135,000 0 0
GW PHARMACEUTICALS PLC ADS 36197T103 563 5,000 SH   SOLE   5,000 0 0
ICU MED INC COM 44930G107 7,067 28,000 SH   SOLE   28,000 0 0
INCYTE CORP COM 45337C102 1,250 15,000 SH   SOLE   15,000 0 0
INCYTE CORP COM 45337C102 1,667 20,000 SH Call SOLE   20,000 0 0
INCYTE CORP COM 45337C102 4,167 50,000 SH Put SOLE   50,000 0 0
INTERSECT ENT INC COM 46071F103 4,323 110,000 SH   SOLE   110,000 0 0
INVACARE CORP COM 461203101 4,816 276,796 SH   SOLE   276,796 0 0
JOUNCE THERAPEUTICS INC COM 481116101 485 21,700 SH   SOLE   21,700 0 0
KALA PHARMACEUTICALS INC COM 483119103 1,029 65,000 SH   SOLE   65,000 0 0
KALA PHARMACEUTICALS INC COM 483119103 237 15,000 SH Put SOLE   15,000 0 0
LIVANOVA PLC SHS G5509L101 6,381 72,100 SH   SOLE   72,100 0 0
MEDTRONIC PLC SHS G5960L103 3,409 42,500 SH   SOLE   42,500 0 0
MERCK & CO. INC COM 58933Y105 5,447 100,000 SH   SOLE   100,000 0 0
MERCK & CO. INC COM 58933Y105 10,894 200,000 SH Call SOLE   200,000 0 0
MOTUS GI HLDGS INC COM 62014P108 448 100,000 SH   SOLE   100,000 0 0
NATUS MED INC DEL COM 639050103 1,939 57,620 SH   SOLE   57,620 0 0
NUVECTRA CORP COM 67075N108 1,465 112,500 SH   SOLE   112,500 0 0
OTONOMY INC COM 68906L105 640 152,486 SH   SOLE   152,486 0 0
QIAGEN NV SHS NEW N72482123 2,423 75,000 SH   SOLE   75,000 0 0
RIGEL PHARMACEUTICALS INC COM NEW 766559603 2,069 584,563 SH   SOLE   584,563 0 0
RIGEL PHARMACEUTICALS INC COM NEW 766559603 2,124 600,000 SH Put SOLE   600,000 0 0
ROCKET PHARMACEUTICALS INC COM 77313F106 1,340 71,459 SH   SOLE   71,459 0 0
SELECT SECTOR SPDR TR SBI HEALTHCARE 81369Y209 13,024 160,000 SH Put SOLE   160,000 0 0
SIENTRA INC COM 82621J105 2,842 294,172 SH   SOLE   294,172 0 0
SIENTRA INC COM 82621J105 4,865 503,600 SH Call SOLE   503,600 0 0
SPECTRUM PHARMACEUTICALS INC COM 84763A108 1,609 100,000 SH Call SOLE   100,000 0 0
STEADYMED LTD SHS M84920103 699 215,214 SH   SOLE   215,214 0 0
TG THERAPEUTICS INC COM 88322Q108 710 50,000 SH   SOLE   50,000 0 0
UNITED THERAPEUTICS CORP DEL COM 91307C102 2,247 20,000 SH   SOLE   20,000 0 0
VASCULAR BIOGENICS LTD COM M96883109 230 100,000 SH Put SOLE   100,000 0 0
VIEWRAY INC COM 92672L107 2,713 422,000 SH   SOLE   422,000 0 0
VIKING THERAPEUTICS INC COM 92686J106 764 174,870 SH   SOLE   174,870 0 0
ZOGENIX INC COM NEW 98978L204 2,013 50,268 SH   SOLE   50,268 0 0