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 (x$1000) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
ALPHABET INC CAP STK CL C 02079k107 770 524 SH   SOLE   524 0 0
ALPHABET INC CAP STK CL A 02079k305 5,580 3,807 SH   OTR 1 3,807 0 0
ALPHABET INC CAP STK CL A 02079k305 109,807 74,923 SH   SOLE   74,923 0 0
AMAZON COM INC COM 023135106 217 69 SH   SOLE   69 0 0
ANTERO MIDSTREAM CORP COM 03676b102 1,994 371,356 SH   OTR 1 371,356 0 0
ANTERO MIDSTREAM CORP COM 03676b102 43,462 8,093,525 SH   SOLE   8,093,525 0 0
ANTHEM INC COM 036752103 10,958 40,800 SH   OTR 1 40,800 0 0
ANTHEM INC COM 036752103 194,225 723,127 SH   SOLE   723,127 0 0
AON PLC SHS CL A g0403h108 12,987 62,951 SH   OTR 1 62,951 0 0
AON PLC SHS CL A g0403h108 260,058 1,260,584 SH   SOLE   1,260,584 0 0
BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 296,413 1,392,004 SH   SOLE   1,392,004 0 0
BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 12,908 60,620 SH   OTR 1 60,620 0 0
BK OF AMERICA CORP COM 060505104 350 14,532 SH   SOLE   14,532 0 0
CDK GLOBAL INC COM 12508e101 342 7,847 SH   SOLE   7,847 0 0
COMCAST CORP NEW CL A 20030n101 1,438 31,094 SH   SOLE   31,094 0 0
CREDIT ACCEP CORP MICH COM 225310101 2,364 6,982 SH   OTR 1 6,982 0 0
CREDIT ACCEP CORP MICH COM 225310101 45,653 134,812 SH   SOLE   134,812 0 0
DOLLAR TREE INC COM 256746108 4,338 47,494 SH   OTR 1 47,494 0 0
DOLLAR TREE INC COM 256746108 87,210 954,781 SH   SOLE   954,781 0 0
FACEBOOK INC CL A 30303m102 64,628 246,766 SH   SOLE   246,766 0 0
FACEBOOK INC CL A 30303m102 3,462 13,219 SH   OTR 1 13,219 0 0
HCA HEALTHCARE INC COM 40412c101 10,952 87,844 SH   OTR 1 87,844 0 0
HCA HEALTHCARE INC COM 40412c101 193,245 1,549,928 SH   SOLE   1,549,928 0 0
JPMORGAN CHASE & CO COM 46625h100 10,628 110,400 SH   OTR 1 110,400 0 0
JPMORGAN CHASE & CO COM 46625h100 205,512 2,134,742 SH   SOLE   2,134,742 0 0
MARRIOTT INTL INC NEW CL A 571903202 268 2,897 SH   SOLE   2,897 0 0
MOODYS CORP COM 615369105 907 3,129 SH   SOLE   3,129 0 0
PRIMERICA INC COM 74164m108 8,821 77,962 SH   OTR 1 77,962 0 0
PRIMERICA INC COM 74164m108 180,454 1,594,958 SH   SOLE   1,594,958 0 0
PROGRESSIVE CORP COM 743315103 149,738 1,581,688 SH   SOLE   1,581,688 0 0
PROGRESSIVE CORP COM 743315103 6,996 73,900 SH   OTR 1 73,900 0 0
RAYMOND JAMES FINL INC COM 754730109 7,635 104,937 SH   OTR 1 104,937 0 0
RAYMOND JAMES FINL INC COM 754730109 145,049 1,993,523 SH   SOLE   1,993,523 0 0
RYANAIR HOLDINGS PLC SPONSORED ADS 783513203 18,519 226,506 SH   SOLE   226,506 0 0
SCHWAB CHARLES CORP COM 808513105 3,915 108,054 SH   OTR 1 108,054 0 0
SCHWAB CHARLES CORP COM 808513105 88,859 2,452,637 SH   SOLE   2,452,637 0 0
UNITEDHEALTH GROUP INC COM 91324p102 47,579 152,609 SH   SOLE   152,609 0 0
UNITEDHEALTH GROUP INC COM 91324p102 2,273 7,292 SH   OTR 1 7,292 0 0