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
NOVO-NORDISK A S ADR 670100205 157 3,405 SH   SOLE   3,405 0 0
ABBOTT LABS COM 002824100 46 639 SH   SOLE   639 0 0
ALLEGHANY CORP DEL COM 017175100 190 305 SH   SOLE   305 0 0
ALPHABET INC CAP STK CL A 02079K305 189 181 SH   SOLE   181 0 0
ALPHABET INC CAP STK CL C 02079K107 4,747 4,584 SH   SOLE   4,584 0 0
BERKSHIRE HATHAWAY INC DEL CL A 084670108 612 2 SH   SOLE   2 0 0
BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 430 2,105 SH   SOLE   2,105 0 0
BROWN FORMAN CORP CL B 115637209 181 3,800 SH   SOLE   3,800 0 0
COCA COLA CO COM 191216100 90 1,900 SH   SOLE   1,900 0 0
CONOCOPHILLIPS COM 20825C104 50 800 SH   SOLE   800 0 0
COUPA SOFTWARE INC COM 22266L106 1,681 26,736 SH   SOLE   26,736 0 0
DIGIMARC CORP NEW COM 25381B101 3,280 226,177 SH   SOLE   226,177 0 0
ENSTAR GROUP LIMITED SHS G3075P101 5,702 34,030 SH   SOLE   34,030 0 0
INTREXON CORP COM 46122T102 992 151,638 SH   SOLE   151,638 0 0
MASTERCARD INCORPORATED CL A 57636Q104 228 1,206 SH   SOLE   1,206 0 0
MICROSOFT CORP COM 594918104 441 4,345 SH   SOLE   4,345 0 0
NORTHERN DYNASTY MINERALS LT COM NEW 66510M204 9 15,000 SH   SOLE   15,000 0 0
PHILLIPS 66 COM 718546104 17 197 SH   SOLE   197 0 0
PTC INC COM 69370C100 7,836 94,528 SH   SOLE   94,528 0 0
REGENERON PHARMACEUTICALS COM 75886F107 55 146 SH   SOLE   146 0 0
RENAISSANCERE HOLDINGS LTD COM G7496G103 4,696 35,127 SH   SOLE   35,127 0 0
SEATTLE GENETICS INC COM 812578102 5,021 88,615 SH   SOLE   88,615 0 0
SPDR GOLD TRUST GOLD SHS 78463V107 79 650 SH   SOLE   650 0 0
TELADOC HEALTH INC COM 87918A105 317 6,401 SH   SOLE   6,401 0 0
TEXAS PAC LD TR SUB CTF PROP I T 882610108 4,064 7,504 SH   SOLE   7,504 0 0
TRUPANION INC COM 898202106 6,131 240,791 SH   SOLE   240,791 0 0
UBIQUITI NETWORKS INC COM 90347A100 5,171 52,015 SH   SOLE   52,015 0 0
VOLITIONRX LTD COM 928661107 2,975 1,643,714 SH   SOLE   1,643,714 0 0
XPO LOGISTICS INC COM 983793100 4,568 80,092 SH   SOLE   80,092 0 0