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
ACORDA THERAPEUTICS INC COM 00484M106 8,289 325,000 SH   SOLE   325,000 0 0
AEGLEA BIOTHERAPEUTICS INC COM 00773J103 243 50,000 SH   SOLE   50,000 0 0
AKARI THERAPEUTICS PLC SPONSORED ADR 00972G108 629 46,622 SH   SOLE   46,622 0 0
ALCOBRA LTD SHS M2239P109 1,347 300,000 SH   SOLE   300,000 0 0
ALEXION PHARMACEUTICALS INC COM 015351109 10,508 90,000 SH   SOLE   90,000 0 0
ASCENDIS PHARMA A S SPONSORED ADR 04351P101 1,327 100,000 SH   SOLE   100,000 0 0
AXOVANT SCIENCES LTD COM G0750W104 7,383 575,000 SH   SOLE   575,000 0 0
BIOCRYST PHARMACEUTICALS COM 09058V103 4,828 1,700,000 SH   SOLE   1,700,000 0 0
BIOGEN INC COM 09062X103 7,255 30,000 SH   SOLE   30,000 0 0
BIOMARIN PHARMACEUTICAL INC COM 09061G101 8,558 110,000 SH   SOLE   110,000 0 0
BLUEBIRD BIO INC COM 09609G100 7,359 170,000 SH   SOLE   170,000 0 0
BOSTON SCIENTIFIC CORP COM 101137107 7,595 325,000 SH   SOLE   325,000 0 0
BOSTON SCIENTIFIC CORP COM 101137107 8,180 350,000 SH Call SOLE   350,000 0 0
CELGENE CORP COM 151020104 2,466 25,000 SH   SOLE   25,000 0 0
CLOVIS ONCOLOGY INC COM 189464100 6,174 450,000 SH   SOLE   450,000 0 0
CLOVIS ONCOLOGY INC COM 189464100 6,860 500,000 SH Put SOLE   500,000 0 0
CONMED CORP COM 207410101 8,353 175,000 SH   SOLE   175,000 0 0
CORBUS PHARMACEUTICALS HLDGS COM 21833P103 897 300,000 SH   SOLE   300,000 0 0
EDWARDS LIFESCIENCES CORP COM 28176E108 8,477 85,000 SH   SOLE   85,000 0 0
ENDOLOGIX INC COM 29266S106 4,984 400,000 SH   SOLE   400,000 0 0
ENTELLUS MED INC COM 29363K105 2,192 120,000 SH   SOLE   120,000 0 0
FLAMEL TECHNOLOGIES SA SPONSORED ADR 338488109 3,759 350,000 SH   SOLE   350,000 0 0
FLUIDIGM CORP DEL COM 34385P108 1,355 150,000 SH   SOLE   150,000 0 0
GENOMIC HEALTH INC COM 37244C101 5,179 200,000 SH   SOLE   200,000 0 0
GILEAD SCIENCES INC COM 375558103 1,251 15,000 SH   SOLE   15,000 0 0
GW PHARMACEUTICALS PLC ADS 36197T103 11,904 130,000 SH Put SOLE   130,000 0 0
HERON THERAPEUTICS INC COM 427746102 451 25,000 SH   SOLE   25,000 0 0
HORIZON PHARMA PLC SHS G4617B105 4,118 250,000 SH   SOLE   250,000 0 0
HORIZON PHARMA PLC SHS G4617B105 3,294 200,000 SH Call SOLE   200,000 0 0
IMMUNOMEDICS INC COM 452907108 2,320 1,000,000 SH   SOLE   1,000,000 0 0
IMMUNOMEDICS INC COM 452907108 464 200,000 SH Call SOLE   200,000 0 0
INTERCEPT PHARMACEUTICALS IN COM 45845P108 1,812 12,700 SH   SOLE   12,700 0 0
INTERCEPT PHARMACEUTICALS IN COM 45845P108 4,994 35,000 SH Call SOLE   35,000 0 0
INTRA CELLULAR THERAPIES INC COM 46116X101 4,658 120,000 SH   SOLE   120,000 0 0
ISHARES TR RUSSELL 2000 ETF 464287655 40,243 350,000 SH Put SOLE   350,000 0 0
K2M GROUP HLDGS INC COM 48273J107 5,432 350,000 SH   SOLE   350,000 0 0
LION BIOTECHNOLOGIES INC COM 53619R102 5,670 700,000 SH   SOLE   700,000 0 0
MEDIVATION INC COM 58501N101 633 10,500 SH   SOLE   10,500 0 0
MEDTRONIC PLC SHS G5960L103 8,677 100,000 SH   SOLE   100,000 0 0
MIRATI THERAPEUTICS INC COM 60468T105 410 75,000 SH   SOLE   75,000 0 0
NANOSTRING TECHNOLOGIES INC COM 63009R109 3,150 250,000 SH   SOLE   250,000 0 0
NEUROCRINE BIOSCIENCES INC COM 64125C109 5,681 125,000 SH   SOLE   125,000 0 0
NEVRO CORP COM 64157F103 5,901 80,000 SH   SOLE   80,000 0 0
NUVASIVE INC COM 670704105 8,958 150,000 SH   SOLE   150,000 0 0
OCERA THERAPEUTICS INC COM 67552A108 68 35,801 SH   SOLE   35,801 0 0
OPHTHOTECH CORP COM 683745103 10,971 215,000 SH   SOLE   215,000 0 0
PACIRA PHARMACEUTICALS INC COM 695127100 4,048 120,000 SH   SOLE   120,000 0 0
RADIUS HEALTH INC COM NEW 750469207 735 20,000 SH   SOLE   20,000 0 0
RAPTOR PHARMACEUTICAL CORP COM 75382F106 3,222 600,000 SH   SOLE   600,000 0 0
RIGEL PHARMACEUTICALS INC COM NEW 766559603 1,784 800,000 SH   SOLE   800,000 0 0
SAGE THERAPEUTICS INC COM 78667J108 4,520 150,000 SH Call SOLE   150,000 0 0
SAREPTA THERAPEUTICS INC COM 803607100 3,814 200,000 SH   SOLE   200,000 0 0
SAREPTA THERAPEUTICS INC COM 803607100 5,721 300,000 SH Put SOLE   300,000 0 0
SAREPTA THERAPEUTICS INC COM 803607100 1,907 100,000 SH Call SOLE   100,000 0 0
SPDR S&P 500 ETF TR TR UNIT 78462F103 20,948 100,000 SH Put SOLE   100,000 0 0
SPDR SERIES TRUST S&P BIOTECH 78464A870 21,632 400,000 SH Put SOLE   400,000 0 0
SPECTRANETICS CORP COM 84760C107 7,016 375,000 SH   SOLE   375,000 0 0
SYNERGY PHARMACEUTICALS DEL COM NEW 871639308 84 22,000 SH   SOLE   22,000 0 0
TANDEM DIABETES CARE INC COM 875372104 1,131 150,000 SH   SOLE   150,000 0 0
TESARO INC COM 881569107 4,203 50,000 SH   SOLE   50,000 0 0
TESARO INC COM 881569107 4,203 50,000 SH Call SOLE   50,000 0 0
VERACYTE INC COM 92337F107 1,719 341,708 SH   SOLE   341,708 0 0
WRIGHT MED GROUP N V ORD SHS 0.03 PAR N96617118 4,343 250,000 SH   SOLE   250,000 0 0