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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

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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
BERKSHIRE HATHAWAY INC DEL CL A 084670108 49,424,100 66 SH SOLE 0 66 0 0
EXICURE INC COM 30205M201 21,694 10,430 SH SOLE 0 10,430 0 0
RYAN SPECIALTY HOLDINGS INC CL A 78351F107 4,495,177 119,046 SH SOLE 0 119,046 0 0
VANGUARD SCOTTSDALE FDS INTER TERM TREAS 92206C706 3,331,839 56,491 SH SOLE 0 56,491 0 0
VANGUARD INDEX FDS SP500 ETF SHS 922908363 6,061,785 8,826 SH SOLE 0 8,826 0 0