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
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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
AB Inbev BUD 03524A108 1,181,000 16,070 SH SOLE 0 0 0
Abbott Laboratories ABT 002824100 876,000 8,864 SH SOLE 0 0 0
Abbvie Inc ABBV 00287Y109 4,654,000 17,791 SH SOLE 0 0 0
Alphabet Inc. Class A GOOGL 02079K305 15,814,000 45,959 SH SOLE 0 0 0
Alphabet Inc. Class C GOOG 02079K107 9,295,000 27,280 SH SOLE 0 0 0
American Express AXP 025816109 1,834,000 6,032 SH SOLE 0 0 0
Affiliated Managers AMG 008252108 2,266,000 6,197 SH SOLE 0 0 0
Amazon AMZN 023135106 1,129,000 4,532 SH SOLE 0 0 0
Apple Inc AAPL 037833100 500,000 1,500 SH SOLE 0 0 0
ATT T 00206R102 343,000 14,077 SH SOLE 0 0 0
Bank of America BAC 060505104 1,085,000 19,940 SH SOLE 0 0 0
Beckshire Hathaway BRKB 084670702 51,966,000 104,359 SH SOLE 0 0 0
Berkley W R Corp WRB 084423102 1,975,000 29,243 SH SOLE 0 0 0
Boeing Company BA 097023105 632,000 3,395 SH SOLE 0 0 0
Booking Holdings Inc BKNG 09857L108 2,293,000 14,075 SH SOLE 0 0 0
Brown Forman BFB 115637209 178,000 6,804 SH SOLE 0 0 0
Canadian National Railway CNI 136375102 851,000 7,161 SH SOLE 0 0 0
Capital One COF 14040H105 161,000 835 SH SOLE 0 0 0
Cigna Corp CI 125523100 281,000 1,033 SH SOLE 0 0 0
Vistaprint NV Cimpress CMPR N93540107 661,000 8,575 SH SOLE 0 0 0
Coca Cola Co KO 191216100 3,356,000 38,983 SH SOLE 0 0 0
Colgate Palmolive CL 172967333 277,000 3,247 SH SOLE 0 0 0
Comcast CMCSA 20030N101 344,000 15,830 SH SOLE 0 0 0
Credit Acceptance Corp CACC 225310101 1,335,000 2,515 SH SOLE 0 0 0
CSX Corp CSX 126408103 1,790,000 38,485 SH SOLE 0 0 0
Danaher Corp DHR 235851102 963,000 4,348 SH SOLE 0 0 0
Warner Brothers Discovery,inc WBD 934423104 1,556,000 50,263 SH SOLE 0 0 0
ESAB Corp ESAB 29605J106 194,000 2,939 SH SOLE 0 0 0
Disney Company DIS 254687106 2,304,000 21,961 SH SOLE 0 0 0
Eaton Corp ETN G29183103 1,394,000 3,244 SH SOLE 0 0 0
Everest Re Group Inc EG G3223R108 740,000 2,027 SH SOLE 0 0 0
Fiserv Inc FISV 337738108 145,000 3,204 SH SOLE 0 0 0
FTI Consulting, Inc. FCN 302941109 225,000 1,670 SH SOLE 0 0 0
General Dynamics Corp GD 369550108 2,757,000 8,307 SH SOLE 0 0 0
Goldman Sachs Group Inc. GS 38141G104 3,644,000 4,047 SH SOLE 0 0 0
Howard Hughs HHC 44267D107 831,000 11,692 SH SOLE 0 0 0
IBM Corp IBM 459200101 3,634,000 16,525 SH SOLE 0 0 0
Idexx Labs Inc IDXX 45168D104 1,899,000 3,637 SH SOLE 0 0 0
Imperial Metals Corp IPMLF 452892102 10,188,000 1,719,147 SH SOLE 0 0 0
John Marshall Bancorp JMSB 47804G103 823,000 36,250 SH SOLE 0 0 0
Jefferies Financial JEF 47233W109 871,000 19,050 SH SOLE 0 0 0
Johnson & Johnson JNJ 478160104 6,089,000 23,001 SH SOLE 0 0 0
JPMorgan Chase & Co JPM 46625H100 2,841,000 8,589 SH SOLE 0 0 0
Keurig Dr. Pepper KDP 49271V100 220,000 7,235 SH SOLE 0 0 0
Leidos Holdings Inc LDOS 525327102 500,000 4,102 SH SOLE 0 0 0
Lincoln Electric Holdings LECO 533900106 310,000 1,171 SH SOLE 0 0 0
Hagerty, Inc HGTY 405166109 219,000 16,300 SH SOLE 0 0 0
Liberty Global cl A LBTYA G5480U104 40,000 4,414 SH SOLE 0 0 0
Liberty Global cl C LBTYK G5480U120 70,000 7,820 SH SOLE 0 0 0
Sirius XM Holdings SIRI 82968B103 191,000 7,396 SH SOLE 0 0 0
Lowes LOW 548661107 767,000 4,160 SH SOLE 0 0 0
Markel Corp MKL 570535104 26,387,000 15,409 SH SOLE 0 0 0
Mastercard MA 57636Q104 637,000 1,155 SH SOLE 0 0 0
McDonald's MCD 580135101 2,400,000 10,392 SH SOLE 0 0 0
Medtronic MDT BTN1Y11US 1,757,000 20,361 SH SOLE 0 0 0
META META 30303M102 573,000 790 SH SOLE 0 0 0
Mettler Toledo Intl MTD 592688105 2,561,000 1,695 SH SOLE 0 0 0
Microsoft Corp MSFT 594918104 7,578,000 14,774 SH SOLE 0 0 0
Mohawk Industries MHK 608190104 1,211,000 9,710 SH SOLE 0 0 0
Mondelez Intl Inc MDLZ 609207105 258,000 4,468 SH SOLE 0 0 0
Moodys Corp MCO 615369105 3,464,000 7,627 SH SOLE 0 0 0
MSCI Inc MSCI 55354G100 312,000 580 SH SOLE 0 0 0
Oracle Corp ORCL 68389X105 3,076,000 22,400 SH SOLE 0 0 0
PepsiCo PEP 713448108 1,957,000 15,441 SH SOLE 0 0 0
Philip Morris Intl PM 718172109 7,529,000 39,455 SH SOLE 0 0 0
Pinnacle Financial Partners PNFP 72346Q104 179,000 1,909 SH SOLE 0 0 0
Proctor & Gamble Co PG 742718109 488,000 3,358 SH SOLE 0 0 0
Raytheon Technologies Corp RTX 75513E101 5,156,000 27,773 SH SOLE 0 0 0
Radiant Logistics RLGT 75113E101 287,000 33,052 SH SOLE 0 0 0
SEI Investments SEIC 784117103 379,000 3,690 SH SOLE 0 0 0
Sysco Corp SYY 871829107 720,000 9,226 SH SOLE 0 0 0
United Parcel Service Inc UPS 911312205 337,000 3,603 SH SOLE 0 0 0
White Mountains WTM G9618E107 200,000 100 SH SOLE 0 0 0
Wells Fargo WFC 949746101 1,604,000 20,041 SH SOLE 0 0 0
Willis Tower Watson WTW G96629103 235,000 817 SH SOLE 0 0 0
Wynn Resorts WYNN 983134107 452,000 5,696 SH SOLE 0 0 0