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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
BERKSHIRE HATHAWAY INC DEL CL A 084670108 91,503 173 SH   SOLE 0 173 0 0
APTINYX INC COM 03836N103 248 109,280 SH   SOLE 0 109,280 0 0
EXICURE INC COM 30205M101 312 1,564,372 SH   SOLE 0 1,564,372 0 0
AGILON HEALTH INC COM 00857U107 28,199 1,112,400 SH   SOLE 0 1,112,400 0 0
BERKSHIRE GREY COM CL A 084656107 378 131,301 SH   SOLE 0 131,301 0 0