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
ALPHABET INC CAP STK CL C 02079K107   265,083,908 1,391,955 SH   SOLE   1,385,572 0 6,383
ALPHABET INC CAP STK CL A 02079K305   452,767,929 2,391,801 SH   SOLE   2,388,041 0 3,760
AMENTUM HOLDINGS INC COM 023939101   51,235,263 2,436,294 SH   SOLE   2,430,712 0 5,582
AMERICAN EXPRESS CO COM 025816109   276,608 932 SH   SOLE   932 0 0
APPLE INC COM 037833100   205,595 821 SH   SOLE   821 0 0
ATAI LIFE SCIENCES NV SHS N0731H103   56,009 42,112 SH   SOLE   42,112 0 0
BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702   157,853,400 348,247 SH   SOLE   347,811 0 436
BERKSHIRE HATHAWAY INC DEL CL A 084670108   85,795,920 126 SH   SOLE   126 0 0
BUILDERS FIRSTSOURCE INC COM 12008R107   671,771 4,700 SH   SOLE   4,700 0 0
CAPITAL ONE FINL CORP COM 14040H105   388,230,458 2,177,156 SH   SOLE   2,171,867 0 5,289
CARMAX INC COM 143130102   2,254,205 27,571 SH   SOLE   27,571 0 0
CHARTER COMMUNICATIONS INC N CL A 16119P108   141,948,598 414,122 SH   SOLE   412,951 0 1,171
COPA HOLDINGS SA CL A P31076105   224,533 2,555 SH   SOLE   2,555 0 0
CREDIT ACCEP CORP MICH COM 225310101   307,623,524 655,271 SH   SOLE   653,747 0 1,524
ELEVANCE HEALTH INC COM 036752103   422,004,262 1,143,953 SH   SOLE   1,141,148 0 2,805
EQUITABLE HLDGS INC COM 29452E101   1,926,045 40,832 SH   SOLE   40,832 0 0
EXPEDITORS INTL WASH INC COM 302130109   2,426,085 21,902 SH   SOLE   21,902 0 0
GROUP 1 AUTOMOTIVE INC COM 398905109   1,419,966 3,369 SH   SOLE   3,369 0 0
ICON PLC SHS G4705A100   265,396,393 1,265,540 SH   SOLE   1,262,229 0 3,311
INTERCONTINENTAL EXCHANGE IN COM 45866F104   716,288,388 4,806,982 SH   SOLE   4,794,789 0 12,193
ISHARES TR MRNING SM CP ETF 464288703   404,556 6,380 SH   SOLE   6,380 0 0
JACOBS SOLUTIONS INC COM 46982L108   161,802,329 1,210,914 SH   SOLE   1,207,884 0 3,030
LIBERTY BROADBAND CORP COM SER C 530307305   180,333,680 2,412,168 SH   SOLE   2,406,638 0 5,530
LIBERTY BROADBAND CORP COM SER A 530307107   50,818,070 683,406 SH   SOLE   682,113 0 1,293
LIBERTY MEDIA CORP DEL COM LBTY ONE S A 531229771   62,939,573 748,924 SH   SOLE   747,186 0 1,738
LIBERTY MEDIA CORP DEL COM LBTY ONE S C 531229755   543,859,531 5,869,410 SH   SOLE   5,855,935 0 13,475
LITHIA MTRS INC COM 536797103   970,780 2,716 SH   SOLE   2,636 0 80
META PLATFORMS INC CL A 30303M102   305,365,129 521,537 SH   SOLE   520,264 0 1,273
MICROSOFT CORP COM 594918104   273,554 649 SH   SOLE   649 0 0
NETFLIX INC COM 64110L106   540,140 606 SH   SOLE   606 0 0
RIMINI STR INC DEL COM 76674Q107   101,340 37,955 SH   SOLE   37,955 0 0
S&P GLOBAL INC COM 78409V104   264,454 531 SH   SOLE   531 0 0
SCHWAB CHARLES CORP COM 808513105   510,926,555 6,903,480 SH   SOLE   6,886,226 0 17,254
SENDAS DISTRIBUIDORA S A SPON ADS 81689T104   681,577 152,478 SH   SOLE   152,478 0 0
SINCLAIR INC CL A 829242106   289,858 17,959 SH   SOLE   17,959 0 0
STELLANTIS N.V SHS N82405106   673,811 51,633 SH   SOLE   51,633 0 0
TAIWAN SEMICONDUCTOR MFG LTD SPONSORED ADS 874039100   381,922,159 1,933,881 SH   SOLE   1,928,848 0 5,033
UNITEDHEALTH GROUP INC COM 91324P102   423,908,657 837,996 SH   SOLE   835,996 0 2,000
VANGUARD INDEX FDS TOTAL STK MKT 922908769   335,600 1,158 SH   SOLE   1,158 0 0