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
ELEVEN BIOTHERAPEUTICS INC COM 286221106 2,464 1,466,417 SH   SOLE   1,466,417 0 0
T2 BIOSYSTEMS INC COM 89853L104 5,852 741,755 SH   SOLE   741,755 0 0
SERES THERAPEUTICS INC COM 81750R102 368,438 12,682,876 SH   SOLE   12,682,876 0 0
EDITAS MEDICINE INC COM 28106W103 120,910 4,955,316 SH   SOLE   4,955,316 0 0
SYROS PHARMACEUTICALS INC COM 87184Q107 87,241 4,806,656 SH   SOLE   4,806,656 0 0