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
3M CO COM 88579Y101 5,640 36,157 SH   DFND 1 36,157 0 0
ABBOTT LABS COM 002824100 1,071 11,711 SH   DFND 1 11,711 0 0
ABBVIE INC COM 00287Y109 810 8,247 SH   DFND 1 8,247 0 0
ACTIVISION BLIZZARD INC COM 00507V109 3,561 46,921 SH   DFND 1 46,921 0 0
ADOBE INC COM 00724F101 9,280 21,318 SH   DFND 1 21,318 0 0
ADVANCE AUTO PARTS INC COM 00751Y106 33,742 236,869 SH   DFND 1 236,869 0 0
ALIBABA GROUP HLDG LTD SPONSORED ADS 01609W102 192,195 891,029 SH   DFND 1 891,029 0 0
ALICO INC COM 016230104 1,321 42,391 SH   DFND 1 42,391 0 0
ALPHABET INC CAP STK CL A 02079K305 11,444 8,070 SH   DFND 1 8,070 0 0
ALPHABET INC CAP STK CL C 02079K107 318,527 225,329 SH   DFND 1 225,329 0 0
ALPS ETF TR ALERIAN MLP 00162Q452 19,121 774,760 SH   DFND 1 774,760 0 0
ALTERYX INC COM CL A 02156B103 921 5,604 SH   DFND 1 5,604 0 0
AMAZON COM INC COM 023135106 369,078 133,781 SH   DFND 1 133,781 0 0
APOLLO GLOBAL MGMT INC COM CL A 03768E105 225 4,500 SH   DFND 1 4,500 0 0
APPLE INC COM 037833100 14,148 38,784 SH   DFND 1 38,784 0 0
ARES CAPITAL CORP COM 04010L103 3,258 225,476 SH   DFND 1 225,476 0 0
ASML HOLDING N V N Y REGISTRY SHS N07059210 5,500 14,945 SH   DFND 1 14,945 0 0
ATLASSIAN CORP PLC CL A G06242104 5,268 29,225 SH   DFND 1 29,225 0 0
AUTODESK INC COM 052769106 1,054 4,406 SH   DFND 1 4,406 0 0
BAXTER INTL INC COM 071813109 264 3,067 SH   DFND 1 3,067 0 0
BERKSHIRE HATHAWAY INC DEL CL A 084670108 2,673 10 SH   DFND 1 10 0 0
BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 8,911 49,921 SH   DFND 1 49,921 0 0
BLACKROCK INC COM 09247X101 766 1,408 SH   DFND 1 1,408 0 0
BLACKROCK TCP CAPITAL CORP COM 09259E108 313 34,248 SH   DFND 1 34,248 0 0
BLACKSTONE GROUP INC COM CL A 09260D107 18,143 320,203 SH   DFND 1 320,203 0 0
BOEING CO COM 097023105 449 2,450 SH   DFND 1 2,450 0 0
BOOKING HOLDINGS INC COM 09857L108 91,150 57,243 SH   DFND 1 57,243 0 0
BROADCOM INC COM 11135F101 458 1,451 SH   DFND 1 1,451 0 0
BROOKFIELD ASSET MGMT INC CL A LTD VT SH 112585104 1,829 55,606 SH   DFND 1 55,606 0 0
CABLE ONE INC COM 12685J105 1,047 590 SH   DFND 1 590 0 0
CARGURUS INC COM CL A 141788109 6,628 261,457 SH   DFND 1 261,457 0 0
CARMAX INC COM 143130102 1,746 19,494 SH   DFND 1 19,494 0 0
CENTENE CORP DEL COM 15135B101 340 5,354 SH   DFND 1 5,354 0 0
CHARTER COMMUNICATIONS INC N CL A 16119P108 294,273 576,961 SH   DFND 1 576,961 0 0
CLOUDFLARE INC CL A COM 18915M107 3,819 106,219 SH   DFND 1 106,219 0 0
COCA COLA CO COM 191216100 4,055 90,765 SH   DFND 1 90,765 0 0
COLGATE PALMOLIVE CO COM 194162103 330 4,506 SH   DFND 1 4,506 0 0
COMCAST CORP NEW CL A 20030N101 213,868 5,486,618 SH   DFND 1 5,486,618 0 0
CONOCOPHILLIPS COM 20825C104 295 7,010 SH   DFND 1 7,010 0 0
CREDIT ACCEP CORP MICH COM 225310101 335 800 SH   DFND 1 800 0 0
CROWN CASTLE INTL CORP NEW COM 22822V101 306 1,827 SH   DFND 1 1,827 0 0
DANAHER CORPORATION COM 235851102 13,300 75,216 SH   DFND 1 75,216 0 0
DATADOG INC CL A COM 23804L103 226 2,594 SH   DFND 1 2,594 0 0
DIAGEO P L C SPON ADR NEW 25243Q205 225 1,672 SH   DFND 1 1,672 0 0
DOCUSIGN INC COM 256163106 245 1,423 SH   DFND 1 1,423 0 0
DONALDSON INC COM 257651109 744 16,000 SH   DFND 1 16,000 0 0
DOVER CORP COM 260003108 748 7,743 SH   DFND 1 7,743 0 0
ELECTRONIC ARTS INC COM 285512109 322 2,440 SH   DFND 1 2,440 0 0
ENSTAR GROUP LIMITED SHS G3075P101 244 1,600 SH   DFND 1 1,600 0 0
EPAM SYS INC COM 29414B104 406 1,610 SH   DFND 1 1,610 0 0
EQUINIX INC COM 29444U700 22,027 31,364 SH   DFND 1 31,364 0 0
ETSY INC COM 29786A106 4,102 38,618 SH   DFND 1 38,618 0 0
EXPEDIA GROUP INC COM NEW 30212P303 1,868 22,722 SH   DFND 1 22,722 0 0
FACEBOOK INC CL A 30303M102 168,061 740,130 SH   DFND 1 740,130 0 0
FASTLY INC CL A 31188V100 225 2,648 SH   DFND 1 2,648 0 0
FIDELITY NATL INFORMATION SV COM 31620M106 7,662 57,141 SH   DFND 1 57,141 0 0
FISERV INC COM 337738108 9,639 98,740 SH   DFND 1 98,740 0 0
FOMENTO ECONOMICO MEXICANO S SPON ADR UNITS 344419106 279 4,500 SH   DFND 1 4,500 0 0
GENERAL DYNAMICS CORP COM 369550108 5,189 34,716 SH   DFND 1 34,716 0 0
GENERAL ELECTRIC CO COM 369604103 9,290 1,360,111 SH   DFND 1 1,360,111 0 0
GOLUB CAP BDC INC COM 38173M102 2,602 223,322 SH   DFND 1 223,322 0 0
HCA HEALTHCARE INC COM 40412C101 238 2,454 SH   DFND 1 2,454 0 0
HERSHEY CO COM 427866108 327 2,520 SH   DFND 1 2,520 0 0
HOME DEPOT INC COM 437076102 952 3,800 SH   DFND 1 3,800 0 0
HUMANA INC COM 444859102 394 1,015 SH   DFND 1 1,015 0 0
IAC INTERACTIVECORP COM 44919P508 335 1,037 SH   DFND 1 1,037 0 0
ILLUMINA INC COM 452327109 5,330 14,391 SH   DFND 1 14,391 0 0
INTEL CORP COM 458140100 713 11,922 SH   DFND 1 11,922 0 0
INVESCO EXCHANGE TRADED FD T S&P500 PUR VAL 46137V258 719 15,073 SH   DFND 1 15,073 0 0
INVESCO QQQ TR UNIT SER 1 46090E103 6,103 24,650 SH   DFND 1 24,650 0 0
ISHARES INC CORE MSCI EMKT 46434G103 1,997 41,958 SH   DFND 1 41,958 0 0
ISHARES TR CORE MSCI EAFE 46432F842 5,757 100,606 SH   DFND 1 100,606 0 0
ISHARES TR CORE MSCI TOTAL 46432F834 15,277 280,216 SH   DFND 1 280,216 0 0
ISHARES TR CORE S&P SCP ETF 464287804 247 3,616 SH   DFND 1 3,616 0 0
ISHARES TR CORE S&P TTL STK 464287150 2,866 41,279 SH   DFND 1 41,279 0 0
ISHARES TR CORE US AGGBD ET 464287226 7,796 65,950 SH   DFND 1 65,950 0 0
ISHARES TR MSCI ACWI ETF 464288257 7,057 95,729 SH   DFND 1 95,729 0 0
ISHARES TR MSCI ACWI EX US 464288240 390 9,017 SH   DFND 1 9,017 0 0
ISHARES TR MSCI EAFE ETF 464287465 5,132 84,317 SH   DFND 1 84,317 0 0
ISHARES TR MSCI EMG MKT ETF 464287234 582 14,549 SH   DFND 1 14,549 0 0
ISHARES TR RUS 1000 GRW ETF 464287614 513 2,671 SH   DFND 1 2,671 0 0
ISHARES TR RUS 1000 VAL ETF 464287598 2,325 20,648 SH   DFND 1 20,648 0 0
ISHARES TR RUS 2000 GRW ETF 464287648 356 1,720 SH   DFND 1 1,720 0 0
ISHARES TR RUS 2000 VAL ETF 464287630 319 3,278 SH   DFND 1 3,278 0 0
ISHARES TR RUS MD CP GR ETF 464287481 469 2,969 SH   DFND 1 2,969 0 0
ISHARES TR RUS MDCP VAL ETF 464287473 319 4,165 SH   DFND 1 4,165 0 0
ISHARES TR RUSSELL 2000 ETF 464287655 2,070 14,455 SH   DFND 1 14,455 0 0
ISHARES TR RUSSELL 3000 ETF 464287689 866 4,807 SH   DFND 1 4,807 0 0
ISHARES TR S&P 100 ETF 464287101 905 6,353 SH   DFND 1 6,353 0 0
ISHARES TR S&P MC 400GR ETF 464287606 423 1,889 SH   DFND 1 1,889 0 0
ISHARES TR S&P SML 600 GWT 464287887 424 2,500 SH   DFND 1 2,500 0 0
ISHARES TR SHRT NAT MUN ETF 464288158 8,170 75,749 SH   DFND 1 75,749 0 0
ISHARES TR U.S. TECH ETF 464287721 369 1,366 SH   DFND 1 1,366 0 0
JD.COM INC SPON ADR CL A 47215P106 2,254 37,460 SH   DFND 1 37,460 0 0
JOHNSON & JOHNSON COM 478160104 24,153 171,750 SH   DFND 1 171,750 0 0
JPMORGAN CHASE & CO COM 46625H100 555 5,902 SH   DFND 1 5,902 0 0
LABORATORY CORP AMER HLDGS COM NEW 50540R409 204,857 1,233,260 SH   DFND 1 1,233,260 0 0
LENDINGCLUB CORP COM NEW 52603A208 152 33,428 SH   DFND 1 33,428 0 0
LIBERTY BROADBAND CORP COM SER A 530307107 21,322 174,499 SH   DFND 1 174,499 0 0
LIBERTY BROADBAND CORP COM SER C 530307305 17,850 144,002 SH   DFND 1 144,002 0 0
LOWES COS INC COM 548661107 202,883 1,501,503 SH   DFND 1 1,501,503 0 0
MARKEL CORP COM 570535104 242 262 SH   DFND 1 262 0 0
MASTERCARD INCORPORATED CL A 57636Q104 5,011 16,946 SH   DFND 1 16,946 0 0
MCDONALDS CORP COM 580135101 837 4,537 SH   DFND 1 4,537 0 0
MERCADOLIBRE INC COM 58733R102 10,768 10,923 SH   DFND 1 10,923 0 0
MERCK & CO. INC COM 58933Y105 812 10,497 SH   DFND 1 10,497 0 0
MICROSOFT CORP COM 594918104 288,938 1,419,775 SH   DFND 1 1,419,775 0 0
MONDELEZ INTL INC CL A 609207105 4,564 89,260 SH   DFND 1 89,260 0 0
MONGODB INC CL A 60937P106 35,401 156,407 SH   DFND 1 156,407 0 0
MOODYS CORP COM 615369105 154,170 561,170 SH   DFND 1 561,170 0 0
MORGAN STANLEY COM NEW 617446448 345 7,150 SH   DFND 1 7,150 0 0
NETFLIX INC COM 64110L106 7,480 16,438 SH   DFND 1 16,438 0 0
NEW MTN FIN CORP COM 647551100 177 19,010 SH   DFND 1 19,010 0 0
NIELSEN HLDGS PLC SHS EUR G6518L108 823 55,400 SH   DFND 1 55,400 0 0
NIKE INC CL B 654106103 68,501 698,629 SH   DFND 1 698,629 0 0
NORFOLK SOUTHERN CORP COM 655844108 279 1,589 SH   DFND 1 1,589 0 0
NORTHROP GRUMMAN CORP COM 666807102 22,938 74,609 SH   DFND 1 74,609 0 0
NVIDIA CORPORATION COM 67066G104 549 1,445 SH   DFND 1 1,445 0 0
OKTA INC CL A 679295105 614 3,065 SH   DFND 1 3,065 0 0
OREILLY AUTOMOTIVE INC COM 67103H107 120,865 286,633 SH   DFND 1 286,633 0 0
PALO ALTO NETWORKS INC COM 697435105 1,181 5,140 SH   DFND 1 5,140 0 0
PAYPAL HLDGS INC COM 70450Y103 9,302 53,388 SH   DFND 1 53,388 0 0
PEPSICO INC COM 713448108 796 6,015 SH   DFND 1 6,015 0 0
PFIZER INC COM 717081103 576 17,619 SH   DFND 1 17,619 0 0
PHILLIPS 66 COM 718546104 252 3,498 SH   DFND 1 3,498 0 0
PROCTER AND GAMBLE CO COM 742718109 7,641 63,904 SH   DFND 1 63,904 0 0
ROPER TECHNOLOGIES INC COM 776696106 388 1,000 SH   DFND 1 1,000 0 0
S&P GLOBAL INC COM 78409V104 97,007 294,424 SH   DFND 1 294,424 0 0
SALESFORCE COM INC COM 79466L302 7,110 37,956 SH   DFND 1 37,956 0 0
SCHWAB CHARLES CORP COM 808513105 52,744 1,563,242 SH   DFND 1 1,563,242 0 0
SELECT SECTOR SPDR TR ENERGY 81369Y506 218 5,750 SH   DFND 1 5,750 0 0
SELECT SECTOR SPDR TR SBI CONS DISCR 81369Y407 291 2,278 SH   DFND 1 2,278 0 0
SELECT SECTOR SPDR TR SBI CONS STPLS 81369Y308 253 4,313 SH   DFND 1 4,313 0 0
SELECT SECTOR SPDR TR SBI HEALTHCARE 81369Y209 395 3,943 SH   DFND 1 3,943 0 0
SELECT SECTOR SPDR TR SBI INT-INDS 81369Y704 220 3,202 SH   DFND 1 3,202 0 0
SERVICENOW INC COM 81762P102 69,503 171,586 SH   DFND 1 171,586 0 0
SHERWIN WILLIAMS CO COM 824348106 24,316 42,080 SH   DFND 1 42,080 0 0
SHOPIFY INC CL A 82509L107 11,922 12,560 SH   DFND 1 12,560 0 0
SPDR GOLD TR GOLD SHS 78463V107 1,947 11,631 SH   DFND 1 11,631 0 0
SPDR S&P 500 ETF TR TR UNIT 78462F103 16,779 54,415 SH   DFND 1 54,415 0 0
SPDR SER TR NUVEEN BLMBRG SR 78468R739 4,624 92,716 SH   DFND 1 92,716 0 0
SPOTIFY TECHNOLOGY S A SHS L8681T102 8,023 31,073 SH   DFND 1 31,073 0 0
SQUARE INC CL A 852234103 6,482 61,770 SH   DFND 1 61,770 0 0
SYSCO CORP COM 871829107 117,391 2,147,655 SH   DFND 1 2,147,655 0 0
TENCENT MUSIC ENTMT GROUP SPON ADS 88034P109 686 50,953 SH   DFND 1 50,953 0 0
TEXAS INSTRS INC COM 882508104 448 3,525 SH   DFND 1 3,525 0 0
TJX COS INC NEW COM 872540109 399 7,892 SH   DFND 1 7,892 0 0
TRANSDIGM GROUP INC COM 893641100 151,805 343,411 SH   DFND 1 343,411 0 0
TWILIO INC CL A 90138F102 18,300 83,400 SH   DFND 1 83,400 0 0
TWITTER INC COM 90184L102 12,410 416,595 SH   DFND 1 416,595 0 0
UBER TECHNOLOGIES INC COM 90353T100 1,781 57,297 SH   DFND 1 57,297 0 0
UNILEVER N V N Y SHS NEW 904784709 487 9,151 SH   DFND 1 9,151 0 0
UNION PAC CORP COM 907818108 1,236 7,310 SH   DFND 1 7,310 0 0
UNITEDHEALTH GROUP INC COM 91324P102 273,049 925,747 SH   DFND 1 925,747 0 0
VANECK VECTORS ETF TR AMT FREE INT ETF 92189H201 2,123 41,667 SH   DFND 1 41,667 0 0
VANGUARD BD INDEX FDS INTERMED TERM 921937819 2,149 23,063 SH   DFND 1 23,063 0 0
VANGUARD BD INDEX FDS SHORT TRM BOND 921937827 7,623 91,716 SH   DFND 1 91,716 0 0
VANGUARD INDEX FDS GROWTH ETF 922908736 253 1,250 SH   DFND 1 1,250 0 0
VANGUARD INDEX FDS MID CAP ETF 922908629 257 1,570 SH   DFND 1 1,570 0 0
VANGUARD INDEX FDS S&P 500 ETF SHS 922908363 900 3,176 SH   DFND 1 3,176 0 0
VANGUARD INDEX FDS TOTAL STK MKT 922908769 28,759 183,727 SH   DFND 1 183,727 0 0
VANGUARD INTL EQUITY INDEX F ALLWRLD EX US 922042775 664 13,952 SH   DFND 1 13,952 0 0
VANGUARD INTL EQUITY INDEX F FTSE EMR MKT ETF 922042858 68,562 1,730,916 SH   DFND 1 1,730,916 0 0
VANGUARD INTL EQUITY INDEX F TT WRLD ST ETF 922042742 43,606 582,973 SH   DFND 1 582,973 0 0
VANGUARD SCOTTSDALE FDS SHRT TRM CORP BD 92206C409 6,343 76,735 SH   DFND 1 76,735 0 0
VANGUARD STAR FDS VG TL INTL STK F 921909768 35,025 712,323 SH   DFND 1 712,323 0 0
VANGUARD TAX-MANAGED FDS FTSE DEV MKT ETF 921943858 79,515 2,049,891 SH   DFND 1 2,049,891 0 0
VISA INC COM CL A 92826C839 186,843 967,249 SH   DFND 1 967,249 0 0
WABTEC COM 929740108 235 4,078 SH   DFND 1 4,078 0 0
WALMART INC COM 931142103 9,481 79,152 SH   DFND 1 79,152 0 0
WAYFAIR INC CL A 94419L101 197,017 997,000 SH   DFND 1 997,000 0 0
WORKDAY INC CL A 98138H101 9,091 48,522 SH   DFND 1 48,522 0 0