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 FIGI (to the nearest dollar) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
Abbott Laboratories COM 002824100   839,284 7,625 SH   SOLE   7,625 0 0
Abbvie Inc COM 00287Y109   511,401 3,300 SH   SOLE   3,300 0 0
Alphabet Inc. Class A COM 02079K305   6,530,228 46,748 SH   SOLE   45,868 0 880
Alphabet Inc. Class C COM 02079K107   947,050 6,720 SH   SOLE   6,720 0 0
Aon PLC F Class A COM G0403H108   552,938 1,900 SH   SOLE   1,900 0 0
Applied Materials COM 038222105   17,312,642 106,822 SH   SOLE   105,000 0 1,822
Bank Of NY Mellon Co COM 064058100   437,220 8,400 SH   SOLE   8,400 0 0
Berkshire Hathaway Class B COM 084670702   49,739,804 139,460 SH   SOLE   137,825 0 1,635
Berkshire Hathaway Class A 1/100 COM 084990175   542,625 100 SH   SOLE   100 0 0
Bioventus Inc Class A COM 09075A108   527,000 100,000 SH   SOLE   100,000 0 0
Brown & Brown Inc COM 115236101   9,033,957 127,042 SH   SOLE   126,042 0 1,000
Carmax Inc COM 143130102   429,514 5,597 SH   SOLE   5,597 0 0
Charles Schwab Corp. COM 808513105   551,707 8,019 SH   SOLE   8,019 0 0
Cloudflare Inc COM 18915M107   2,375,907 28,536 SH   SOLE   28,536 0 0
Constellation Software COM 21037X100   689,616 278 SH   SOLE   278 0 0
Credit Accept Corp COM 225310101   260,505 489 SH   SOLE   489 0 0
Elevance Health Inc COM 036752103   356,028 755 SH   SOLE   755 0 0
Eurofins Scientifi Ordf COM L31839134   424,317 6,518 SH   SOLE   6,518 0 0
Exxon Mobil Corp COM 30231G102   653,169 6,533 SH   SOLE   6,533 0 0
Fairfax Finl HL F COM 303901102   315,570 342 SH   SOLE   342 0 0
Formula One Series C (Liberty Media Corp) COM 531229755   321,332 5,090 SH   SOLE   5,090 0 0
Fortrea Holdings Inc COM 34965K107   296,161 8,486 SH   SOLE   8,486 0 0
Greif Inc Class A COM 397624107   363,605 5,500 SH   SOLE   5,500 0 0
IBM Corp COM 459200101   245,325 1,500 SH   SOLE   1,500 0 0
Inercontinental Exchange COM 45866F104   420,994 3,278 SH   SOLE   3,278 0 0
Jacobs Solutions Inc COM 46982L108   294,516 2,269 SH   SOLE   2,269 0 0
Johnson & Johnson COM 478160104   218,809 1,396 SH   SOLE   1,396 0 0
JPMorgan Chase & Co COM 46625H100   240,692 1,415 SH   SOLE   1,415 0 0
KKR & Co Inc COM 48251W104   8,844,072 106,748 SH   SOLE   105,346 0 1,402
Lab Co Of Amer HLDG COM 50540R409   2,163,346 9,518 SH   SOLE   9,518 0 0
Lowes Companies Inc COM 548661107   3,909,313 17,566 SH   SOLE   17,566 0 0
Martin Marietta Matr COM 573284106   4,895,305 9,812 SH   SOLE   9,312 0 500
Mastercard Inc Class A COM 57636Q104   213,255 500 SH   SOLE   500 0 0
Meta Platforms COM 30303M102   460,502 1,301 SH   SOLE   1,301 0 0
Microsoft Corp COM 594918104   414,772 1,103 SH   SOLE   1,103 0 0
Mohawk Industries COM 608190104   938,849 9,071 SH   SOLE   9,071 0 0
Oracle Corp COM 68389X105   6,432,390 61,011 SH   SOLE   59,526 0 1,485
Pepsico Inc COM 713448108   6,595,767 38,552 SH   SOLE   37,902 0 650
Progressive Co COM 743315103   13,025,759 81,779 SH   SOLE   79,579 0 2,200
UnitedHealth Group Inc COM 91324P102   6,051,773 11,495 SH   SOLE   11,495 0 0
US Bancorp COM 902973304   11,039,232 252,210 SH   SOLE   247,310 0 4,900
W S F S Finl Co COM 929328102   872,670 19,000 SH   SOLE   19,000 0 0
Wells Fargo & Co COM 949746101   12,439,912 252,741 SH   SOLE   248,520 0 4,221
Yum Brands Inc COM 988498101   697,202 5,336 SH   SOLE   5,336 0 0
Zoetis Inc Class A COM 98978V103   8,791,649 44,544 SH   SOLE   42,744 0 1,800