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
1LIFE HEALTHCARE INC COM 68269G107 1,175 58,013 SH   SOLE N/A 58,013 0 0
AMPLITUDE INC COM CL A 03213A104 1,349 24,821 SH   SOLE N/A 24,821 0 0
BERKSHIRE HATHAWAY INC DEL CL A 084670108 32,087 78 SH   SOLE N/A 78 0 0
BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 300 1,100 SH   SOLE N/A 1,100 0 0
BIGCOMMERCE HLDGS INC COM SER 1 08975P108 4,073 80,432 SH   SOLE N/A 80,432 0 0
CLOUDERA INC COM 18914U100 1,812 113,458 SH   SOLE N/A 113,458 0 0
COURSERA INC COM 22266M104 459 14,490 SH   SOLE N/A 14,490 0 0
EVELO BIOSCIENCES INC COM 299734103 802 113,850 SH   SOLE N/A 113,850 0 0
KALEIDO BIOSCIENCES INC COM 483347100 820 150,150 SH   SOLE N/A 150,150 0 0
RAPT THERAPEUTICS INC COM 75382E109 2,279 73,383 SH   SOLE N/A 73,383 0 0
SANA BIOTECHNOLOGY INC COM 799566104 6,334 281,250 SH   SOLE N/A 281,250 0 0
STITCH FIX INC COM CL A 860897107 1,304 32,631 SH   SOLE N/A 32,631 0 0
SURROZEN INC COM 86889P109 5,090 718,950 SH   SOLE N/A 718,950 0 0
SURROZEN INC *W EXP 08/01/2 86889P117 38 33,333 SH   SOLE N/A 33,333 0 0
TENAYA THERAPEUTICS INC COM 87990A106 6,027 291,828 SH   SOLE N/A 291,828 0 0
VOR BIOPHARMA INC COM 929033108 1,441 91,910 SH   SOLE N/A 91,910 0 0