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 FIGI (to the nearest dollar) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
Abbott Laboratories COM 002824100   866,658 7,625 SH   SOLE   7,625 0 0
Abbvie Inc COM 00287Y109   600,930 3,300 SH   SOLE   3,300 0 0
Alphabet Inc. Class A COM 02079K305   7,055,676 46,748 SH   SOLE   45,868 0 880
Alphabet Inc. Class C COM 02079K107   1,023,187 6,720 SH   SOLE   6,720 0 0
Aon PLC F Class A COM G0403H108   634,068 1,900 SH   SOLE   1,900 0 0
Applied Materials COM 038222105   22,071,147 107,022 SH   SOLE   105,200 0 1,822
Bank Of NY Mellon Co COM 064058100   484,008 8,400 SH   SOLE   8,400 0 0
Berkshire Hathaway Class B COM 084670702   58,756,736 139,724 SH   SOLE   138,089 0 1,635
Berkshire Hathaway Class A 1/100 COM 084990175   634,440 100 SH   SOLE   100 0 0
Bioventus Inc Class A COM 09075A108   520,000 100,000 SH   SOLE   100,000 0 0
Brown & Brown Inc COM 115236101   11,117,930 127,004 SH   SOLE   126,004 0 1,000
Carmax Inc COM 143130102   487,555 5,597 SH   SOLE   5,597 0 0
Charles Schwab Corp. COM 808513105   580,094 8,019 SH   SOLE   8,019 0 0
Cloudflare Inc COM 18915M107   2,763,141 28,536 SH   SOLE   28,536 0 0
Constellation Software COM 21037X100   759,949 278 SH   SOLE   278 0 0
Credit Accept Corp COM 225310101   269,708 489 SH   SOLE   489 0 0
Elevance Health Inc COM 036752103   391,498 755 SH   SOLE   755 0 0
Eurofins Scientific COM L31839134   415,498 6,518 SH   SOLE   6,518 0 0
Exxon Mobil Corp COM 30231G102   811,704 6,983 SH   SOLE   6,983 0 0
Fairfax Finl HL F COM 303901102   368,799 342 SH   SOLE   342 0 0
Formula One Series C (Liberty Media Corp) COM 531229755   333,904 5,090 SH   SOLE   5,090 0 0
Fortrea Holdings Inc COM 34965K107   340,628 8,486 SH   SOLE   8,486 0 0
Greif Inc Class A COM 397624107   413,942 5,950 SH   SOLE   5,950 0 0
IBM Corp COM 459200101   286,440 1,500 SH   SOLE   1,500 0 0
Inercontinental Exchange COM 45866F104   450,496 3,278 SH   SOLE   3,278 0 0
Jacobs Solutions Inc COM 46982L108   348,813 2,269 SH   SOLE   2,269 0 0
Johnson & Johnson COM 478160104   224,788 1,421 SH   SOLE   1,421 0 0
JPMorgan Chase & Co COM 46625H100   283,425 1,415 SH   SOLE   1,415 0 0
KKR & Co Inc COM 48251W104   10,752,907 106,909 SH   SOLE   105,507 0 1,402
Lab Co Of Amer HLDG COM 50540R409   2,079,302 9,518 SH   SOLE   9,518 0 0
Linde PLC F COM G54950103   220,552 475 SH   SOLE   475 0 0
Lowes Companies Inc COM 548661107   4,456,756 17,496 SH   SOLE   17,496 0 0
Martin Marietta Matr COM 573284106   5,723,149 9,322 SH   SOLE   8,822 0 500
Mastercard Inc Class A COM 57636Q104   240,785 500 SH   SOLE   500 0 0
Meta Platforms COM 30303M102   631,740 1,301 SH   SOLE   1,301 0 0
Microsoft Corp COM 594918104   464,054 1,103 SH   SOLE   1,103 0 0
Mohawk Industries COM 608190104   1,187,303 9,071 SH   SOLE   9,071 0 0
Oracle Corp COM 68389X105   7,663,592 61,011 SH   SOLE   59,526 0 1,485
Pepsico Inc COM 713448108   6,826,602 38,727 SH   SOLE   38,077 0 650
Progressive Co COM 743315103   16,755,522 81,015 SH   SOLE   78,815 0 2,200
UnitedHealth Group Inc COM 91324P102   5,686,577 11,495 SH   SOLE   11,495 0 0
US Bancorp COM 902973304   11,397,370 252,210 SH   SOLE   247,310 0 4,900
W S F S Finl Co COM 929328102   857,660 19,000 SH   SOLE   19,000 0 0
Wells Fargo & Co COM 949746101   14,639,015 252,571 SH   SOLE   248,350 0 4,221
Yum Brands Inc COM 988498101   739,836 5,336 SH   SOLE   5,336 0 0
Zoetis Inc Class A COM 98978V103   7,517,323 44,426 SH   SOLE   42,626 0 1,800