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 4,004 42,030 SH   SOLE   42,030 0 0
Blueprint Medicines Corporation COM 09627Y109 19,469 249,598 SH   SOLE   249,598 0 0
Cymabay Therapeutics, Inc. COM 23257D103 5,584 1,599,958 SH   SOLE   1,599,958 0 0
Epizyme, Inc. COM 29428V104 16,032 998,278 SH   SOLE   998,278 0 0
FibroGen, Inc. COM 31572Q808 1,621 40,000 SH   SOLE   40,000 0 0
Myokardia, Inc. COM 62857M105 38,586 399,360 SH   SOLE   399,360 0 0
Natera, Inc. COM 632307104 10,409 208,768 SH   SOLE   208,768 0 0
Oric Pharmaceuticals, Inc. COM 68622P109 16,760 496,893 SH   SOLE   496,893 0 0