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
ADVERUM BIOTECHNOLOGIES INC COM 00773U108 7,903 1,450,000 SH   SOLE   1,450,000 0 0
AERIE PHARMACEUTICALS INC COM 00771V108 4,325 225,000 SH   SOLE   225,000 0 0
ARGENX SE SPONSORED ADR 04016X101 5,698 50,000 SH   SOLE   50,000 0 0
ARVINAS INC COM 04335A105 3,987 185,000 SH   SOLE   185,000 0 0
ASCENDIS PHARMA A S SPONSORED ADR 04351P101 14,448 150,000 SH   SOLE   150,000 0 0
ATHENEX INC COM 04685N103 6,356 522,500 SH   SOLE   522,500 0 0
AVROBIO INC COM 05455M100 2,192 155,253 SH   SOLE   155,253 0 0
AXSOME THERAPEUTICS INC COM 05464T104 13,662 675,000 SH   SOLE   675,000 0 0
BIOCRYST PHARMACEUTICALS COM 09058V103 4,298 1,500,000 SH   SOLE   1,500,000 0 0
BIOHAVEN PHARMACTL HLDG CO L COM G11196105 14,602 350,000 SH   SOLE   350,000 0 0
BIOMARIN PHARMACEUTICAL INC COM 09061G101 12,469 185,000 SH   SOLE   185,000 0 0
BLUEPRINT MEDICINES CORP COM 09627Y109 23,878 325,000 SH   SOLE   325,000 0 0
CYMABAY THERAPEUTICS INC COM 23257D103 2,253 440,000 SH   SOLE   440,000 0 0
CHIASMA INC COM 16706W102 1,893 382,500 SH   SOLE   382,500 0 0
DERMIRA INC COM 24983L104 272 42,500 SH   SOLE   42,500 0 0
DICERNA PHARMACEUTICALS INC COM 253031108 3,375 235,000 SH   SOLE   235,000 0 0
EPIZYME INC COM 29428V104 1,362 132,000 SH   SOLE   132,000 0 0
FATE THERAPEUTICS INC COM 31189P102 5,436 350,000 SH   SOLE   350,000 0 0
HOMOLOGY MEDICINES INC COM 438083107 4,073 225,000 SH   SOLE   225,000 0 0
AMICUS THERAPEUTICS INC COM 03152W109 13,674 1,705,000 SH   SOLE   1,705,000 0 0
INVESCO CURNCYSHS BRIT PND S BRIT POUN STRL 46138M109 12,593 105,600 SH   SOLE   105,600 0 0
INVESCO CURNCYSHS SWISS FRAN SWISS FRANC 46138R108 4,399 47,500 SH   SOLE   47,500 0 0
IMMUNOMEDICS INC COM 452907108 9,614 725,000 SH   SOLE   725,000 0 0
IMMUNOMEDICS INC COM 452907108 18,015 1,201,000 SH Call SOLE   1,201,000 0 0
IOVANCE BIOTHERAPEUTICS INC COM 462260100 9,100 500,000 SH   SOLE   500,000 0 0
KALVISTA PHARMACEUTICALS INC COM 483497103 3,654 315,000 SH   SOLE   315,000 0 0
KADMON HLDGS INC COM 48283N106 4,410 1,750,000 SH   SOLE   1,750,000 0 0
MILESTONE PHARMACEUTICALS IN COM 59935V107 4,383 235,000 SH   SOLE   235,000 0 0
MOMENTA PHARMACEUTICALS INC COM 60877T100 4,536 350,000 SH   SOLE   350,000 0 0
MIRATI THERAPEUTICS INC COM 60468T105 21,425 275,000 SH   SOLE   275,000 0 0
ORCHARD THERAPEUTICS PLC ADS 68570P101 2,886 242,950 SH   SOLE   242,950 0 0
PACIRA BIOSCIENCES COM 695127100 9,518 250,000 SH   SOLE   250,000 0 0
PROTAGONIST THERAPEUTICS INC COM 74366E102 3,003 250,000 SH   SOLE   250,000 0 0
INVESCO QQQ TR UNIT SER 1 46090E103 14,250 75,000 SH Put SOLE   75,000 0 0
ROCKET PHARMACEUTICALS INC COM 77313F106 7,281 625,000 SH   SOLE   625,000 0 0
REATA PHARMACEUTICALS INC CL A 75615P103 4,015 50,000 SH   SOLE   50,000 0 0
SAGE THERAPEUTICS INC COM 78667J108 15,432 110,000 SH   SOLE   110,000 0 0
SOLID BIOSCIENCES INC COM 83422E105 1,034 100,000 SH   SOLE   100,000 0 0
SPDR S&P 500 ETF TR TR UNIT 78462F103 30,000 100,000 SH Put SOLE   100,000 0 0
SAREPTA THERAPEUTICS INC COM 803607100 16,570 220,000 SH   SOLE   220,000 0 0
SAREPTA THERAPEUTICS INC COM 803607100 13,000 200,000 SH Put SOLE   200,000 0 0
TURNING POINT THERAPEUTICS I COM 90041T108 4,700 125,000 SH   SOLE   125,000 0 0
VIEWRAY INC COM 92672L107 2,393 825,000 SH   SOLE   825,000 0 0
SPDR SERIES TRUST S&P BIOTECH 78464A870 31,278 401,000 SH Put SOLE   401,000 0 0