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 FIGI (to the nearest dollar) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
AEROVATE THERAPEUTICS INC COM 008064107   386 13,190 SH   SOLE N/A 13,190 0 0
AMPLITUDE INC COM CL A 03213A104   229 18,944 SH   SOLE N/A 18,944 0 0
CONFLUENT INC CLASS A COM 20717M103   1,450 65,191 SH   SOLE N/A 65,191 0 0
DISC MEDICINE INC COM 254604101   2,198 110,488 SH   SOLE N/A 110,488 0 0
EVELO BIOSCIENCES INC COM 299734103   183 113,850 SH   SOLE N/A 113,850 0 0
RAPT THERAPEUTICS INC COM 75382E109   1,453 73,383 SH   SOLE N/A 73,383 0 0
TENAYA THERAPEUTICS INC COM 87990A106   587 291,828 SH   SOLE N/A 291,828 0 0
SURROZEN INC COM 86889P109   419 718,950 SH   SOLE N/A 718,950 0 0
SURROZEN INC *W EXP 08/01/2 86889P117   3 33,333 SH   SOLE N/A 33,333 0 0
BERKSHIRE HATHAWAY INC DEL CL A 084670108   35,622 76 SH   SOLE N/A 76 0 0
BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702   340 1,100 SH   SOLE N/A 1,100 0 0
TRANSDIGM GROUP INC COM 893641100   1,954 3,103 SH   SOLE N/A 3,103 0 0
VIGIL NEUROSCIENCE INC COM 92673K108   2,412 192,973 SH   SOLE N/A 192,973 0 0
VOR BIOPHARMA INC COM 929033108   611 91,910 SH   SOLE N/A 91,910 0 0
XILIO THERAPEUTICS INC COM 98422T100   672 249,635 SH   SOLE N/A 249,635 0 0