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
Expires: July 31, 2015
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
ALPHABET INC CAP STK CL A 02079K305 18,463,617 104,770 SH SOLE 104,770 0 0
AMAZON COM INC COM 023135106 71,222,770 324,640 SH SOLE 324,640 0 0
BERKSHIRE HATHAWAY INC DEL CL A 084670108 48,829,600 67 SH SOLE 67 0 0
BROOKFIELD CORP CL A LTD VT SH CL A LTD VT SH 112585104 58,894,498 952,215 SH SOLE 952,215 0 0
BURFORD CAPITAL LTD ORD SHS G17977110 45,723,630 3,362,322 SH SOLE 3,362,322 0 0
MARKEL CORP COM COM 570535104 44,850,719 22,455 SH SOLE 22,455 0 0
TESLA INC COM COM 88160R101 25,201,556 79,335 SH SOLE 79,335 0 0
TRUPANION INC COM 898202106 42,292,658 764,095 SH SOLE 764,095 0 0