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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 1COLUMN 2COLUMN 3COLUMN 4COLUMN 5COLUMN 6COLUMN 7COLUMN 8
VALUESHRS ORSH/PUT/INVESTMENTOTHERVOTING AUTHORITY
NAME OF ISSUERTITLE OF CLASSCUSIP(x$1000)PRN AMTPRNCALLDISCRETIONMANAGERSOLESHAREDNONE
BERKSHIRE HATHAWAY INC DELCL A084670108139,230455SH OTR104550
BLACK STONE MINERALS L PCOM UNIT09225M10116,8111,086,025SH SOLE01,086,02500
APTINYX INCCOM03836N1031,807109,280SH SOLE0109,28000