The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete. | |||||||||||||||||||||
| UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 13F FORM 13F INFORMATION TABLE |
| ||||||||||||||||||||
| 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 |
| AMAZON.COM INC | Stock | 023135106 | 1,395,448 | 13,510 | SH | SOLE | 0 | 0 | 0 | 13,510 | |
| LOUISIANA PACIFIC CORPORATION | Stock | 546347105 | 2,020,298 | 37,268 | SH | SOLE | 0 | 0 | 0 | 37,268 | |
| iSHARES GOLD TRUST | ETF | 464285204 | 3,096,964 | 82,873 | SH | SOLE | 0 | 0 | 0 | 82,873 | |
| VANGUARD TOTAL STOCK MARKET ETF | ETF | 922908769 | 742,312 | 3,637 | SH | SOLE | 0 | 0 | 0 | 3,637 | |
| COSTCO WHOLESALE CORP | Stock | 22160K105 | 9,088,249 | 18,291 | SH | SOLE | 0 | 0 | 0 | 18,291 | |
| SHELL PLC | ADR | 780259305 | 7,095,833 | 123,320 | SH | SOLE | 0 | 0 | 0 | 123,320 | |
| ATKORE INC | Stock | 047649108 | 682,030 | 4,855 | SH | SOLE | 0 | 0 | 0 | 4,855 | |
| CHUBB LIMITED | Stock | H1467J104 | 2,318,121 | 11,938 | SH | SOLE | 0 | 0 | 0 | 11,938 | |
| THE HOME DEPOT INC | Stock | 437076102 | 285,676 | 968 | SH | SOLE | 0 | 0 | 0 | 968 | |
| VECTIVBIO HOLDING | Stock | H9060V101 | 323,380 | 38,000 | SH | SOLE | 0 | 0 | 0 | 38,000 | |
| BHP GROUP LTD | ADR | 088606108 | 251,167 | 3,961 | SH | SOLE | 0 | 0 | 0 | 3,961 | |
| BERKSHIRE HATHAWAY INC 'B | Stock | 084670702 | 8,732,016 | 28,280 | SH | SOLE | 0 | 0 | 0 | 28,280 | |
| ALPHABET INC 'A | Stock | 02079K305 | 1,935,498 | 18,659 | SH | SOLE | 0 | 0 | 0 | 18,659 | |
| MICROSOFT CORP | Stock | 594918104 | 5,870,941 | 20,364 | SH | SOLE | 0 | 0 | 0 | 20,364 | |
| BERKSHIRE HATHAWAY INC 'A | Stock | 084670108 | 465,600 | 1 | SH | SOLE | 0 | 0 | 0 | 1 | |
| CBOE GLOBAL MARKETS INC | Stock | 12503M108 | 1,722,299 | 12,830 | SH | SOLE | 0 | 0 | 0 | 12,830 | |
| AMPHENOL CORP 'A | Stock | 032095101 | 5,035,750 | 61,622 | SH | SOLE | 0 | 0 | 0 | 61,622 | |
| AIR PRODUCTS & CHEMICALS INC | Stock | 009158106 | 2,794,266 | 9,729 | SH | SOLE | 0 | 0 | 0 | 9,729 | |
| ALLOVIR INC | Stock | 019818103 | 295,599 | 75,025 | SH | SOLE | 0 | 0 | 0 | 75,025 | |
| AURA BIOSCIENCES INC | Stock | 05153U107 | 5,045,304 | 543,675 | SH | SOLE | 0 | 0 | 0 | 543,675 | |
| iSHARES CORE S&P TOTAL US STOCK MARKET ETF | ETF | 464287150 | 1,031,002 | 11,386 | SH | SOLE | 0 | 0 | 0 | 11,386 | |
| ACCENTURE PLC 'A | Stock | G1151C101 | 4,310,301 | 15,081 | SH | SOLE | 0 | 0 | 0 | 15,081 | |
| TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD | ADR | 874039100 | 201,946 | 2,171 | SH | SOLE | 0 | 0 | 0 | 2,171 | |
| iSHARES CORE S&P 500 ETF | ETF | 464287200 | 732,545 | 1,782 | SH | SOLE | 0 | 0 | 0 | 1,782 | |
| ECOLAB INC | Stock | 278865100 | 1,769,019 | 10,687 | SH | SOLE | 0 | 0 | 0 | 10,687 | |
| NORTHROP GRUMMAN CORP | Stock | 666807102 | 1,332,986 | 2,887 | SH | SOLE | 0 | 0 | 0 | 2,887 | |
| THERMO FISHER SCIENTIFIC INC | Stock | 883556102 | 2,860,524 | 4,963 | SH | SOLE | 0 | 0 | 0 | 4,963 | |
| MARKEL CORP | Stock | 570535104 | 2,303,170 | 1,803 | SH | SOLE | 0 | 0 | 0 | 1,803 | |
| DANAHER CORP | Stock | 235851102 | 4,180,587 | 16,587 | SH | SOLE | 0 | 0 | 0 | 16,587 | |
| SPORTSMANS WAREHOUSE HOLDINGS INC | Stock | 84920Y106 | 628,792 | 74,150 | SH | SOLE | 0 | 0 | 0 | 74,150 | |
| UNITEDHEALTH GROUP INC | Stock | 91324P102 | 4,074,198 | 8,621 | SH | SOLE | 0 | 0 | 0 | 8,621 | |