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

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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
AGIOS PHARMACEUTICALS INC COM 00847X104 7,855 187,500 SH   SOLE   187,500 0 0
ALNYLAM PHARMACEUTICALS INC COM 02043Q107 4,023 72,500 SH   SOLE   72,500 0 0
AVEXIS INC COM 05366U100 1,711 45,000 SH   SOLE   45,000 0 0
BLUEBIRD BIO INC COM 09609G100 5,303 122,500 SH   SOLE   122,500 0 0
BLUEPRINT MEDICINES CORP COM 09627Y109 6,885 340,000 SH   SOLE   340,000 0 0
BRISTOL MYERS SQUIBB CO COM 110122108 1,545 21,000 SH   SOLE   21,000 0 0
CLOVIS ONCOLOGY INC COM 189464100 2,058 150,000 SH   SOLE   150,000 0 0
CYTOMX THERAPEUTICS INC COM 23284F105 2,392 234,179 SH   SOLE   234,179 0 0
DEXCOM INC COM 252131107 1,190 15,000 SH   SOLE   15,000 0 0
DEXCOM INC COM 252131107 1,190 15,000 SH Put SOLE   15,000 0 0
EPIZYME INC COM 29428V104 3,482 340,000 SH   SOLE   340,000 0 0
EVOLENT HEALTH INC CL A 30050B101 4,598 239,500 SH   SOLE   239,500 0 0
FOUNDATION MEDICINE INC COM 350465100 7,277 390,000 SH   SOLE   390,000 0 0
GENMARK DIAGNOSTICS INC COM 372309104 3,611 415,000 SH   SOLE   415,000 0 0
GLOBAL BLOOD THERAPEUTICS IN COM 37890U108 7,134 430,000 SH   SOLE   430,000 0 0
IGNYTA INC COM 451731103 2,033 375,000 SH   SOLE   375,000 0 0
KITE PHARMA INC COM 49803L109 3,625 72,500 SH   SOLE   72,500 0 0
LOXO ONCOLOGY INC COM 548862101 6,954 300,000 SH   SOLE   300,000 0 0
MEDGENICS INC COM NEW 58436Q203 472 85,000 SH   SOLE   85,000 0 0
MYOKARDIA INC COM 62857M105 2,220 179,029 SH   SOLE   179,029 0 0
SAGE THERAPEUTICS INC COM 78667J108 6,885 228,500 SH   SOLE   228,500 0 0
SAGE THERAPEUTICS INC COM 78667J108 1,958 65,000 SH Call SOLE   65,000 0 0
SPARK THERAPEUTICS INC COM 84652J103 8,309 162,500 SH   SOLE   162,500 0 0
SPDR SERIES TRUST S&P BIOTECH 78464A870 1,622 30,000 SH Put SOLE   30,000 0 0
SYROS PHARMACEUTICALS INC COM 87184Q107 908 50,000 SH   SOLE   50,000 0 0
TESARO INC COM 881569107 1,681 20,000 SH   SOLE   20,000 0 0
VOYAGER THERAPEUTICS INC COM 92915B106 3,544 322,500 SH   SOLE   322,500 0 0