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
Acceleron Pharma Inc. COM 00434H108 10,387 244,756 SH   SOLE   244,756 0 0
Aerie Pharmaceuticals, Inc. COM 00771V108 99,945 1,672,714 SH   SOLE   1,672,714 0 0
Aimmune Therapeutics, Inc. COM 00900T107 117,248 3,100,146 SH   SOLE   3,100,146 0 0
Alder BioPharmaceuticals, Inc. COM 014339105 11,952 1,043,832 SH   SOLE   1,043,832 0 0
Alder BioPharmaceuticals, Inc. COM 014339905 40 24,000 SH Call SOLE   24,000 0 0
Denali Therapeutics Inc. COM 24823R105 3,910 250,000 SH   SOLE   250,000 0 0
Epizyme, Inc. COM 29428V104 19,554 1,558,108 SH   SOLE   1,558,108 0 0
Insmed Incorporated COM 457669307 16,171 518,645 SH   SOLE   518,645 0 0
Juno Therapeutics, Inc. COM 48205A109 3,885 85,000 SH   SOLE   85,000 0 0
Loxo Oncology, Inc. COM 548862101 1,002 11,900 SH   SOLE   11,900 0 0
uniQure N.V. SHS N90064101 2,142 109,350 SH   SOLE   109,350 0 0