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 4,525 20,614 SH   DFND 1 20,614 0 0
ABB LTD SPONSORED ADR 000375204 362 15,234 SH   DFND 1 15,234 0 0
ABBOTT LABS COM 002824100 697 11,627 SH   DFND 1 11,627 0 0
ABBVIE INC COM 00287Y109 805 8,504 SH   DFND 1 8,504 0 0
ABIOMED INC COM 003654100 6,371 21,894 SH   DFND 1 21,894 0 0
ACTIVISION BLIZZARD INC COM 00507V109 1,796 26,623 SH   DFND 1 26,623 0 0
ADOBE SYS INC COM 00724F101 1,171 5,418 SH   DFND 1 5,418 0 0
ADVANCE AUTO PARTS INC COM 00751Y106 61,630 519,867 SH   DFND 1 519,867 0 0
ADVANCED DRAIN SYS INC DEL COM 00790R104 2,741 105,820 SH   DFND 1 105,820 0 0
ALIBABA GROUP HLDG LTD SPONSORED ADS 01609W102 10,308 56,164 SH   DFND 1 56,164 0 0
ALPHABET INC CAP STK CL A 02079K305 7,785 7,506 SH   DFND 1 7,506 0 0
ALPHABET INC CAP STK CL C 02079K107 131,630 127,574 SH   DFND 1 127,574 0 0
ALPS ETF TR ALERIAN MLP 00162Q866 4,092 436,744 SH   DFND 1 436,744 0 0
AMAZON COM INC COM 023135106 6,756 4,668 SH   DFND 1 4,668 0 0
AMERICAN EXPRESS CO COM 025816109 255 2,731 SH   DFND 1 2,731 0 0
AMERISOURCEBERGEN CORP COM 03073E105 48,367 561,034 SH   DFND 1 561,034 0 0
ANHEUSER BUSCH INBEV SA/NV SPONSORED ADR 03524A108 81,215 738,723 SH   DFND 1 738,723 0 0
ANNALY CAP MGMT INC COM 035710409 110 10,500 SH   DFND 1 10,500 0 0
APOLLO GLOBAL MGMT LLC CL A SHS 037612306 1,264 42,686 SH   DFND 1 42,686 0 0
APPLE INC COM 037833100 3,287 19,593 SH   DFND 1 19,593 0 0
ARES CAP CORP COM 04010L103 2,350 148,053 SH   DFND 1 148,053 0 0
AUTOMATIC DATA PROCESSING IN COM 053015103 372 3,280 SH   DFND 1 3,280 0 0
BAIDU INC SPON ADR REP A 056752108 859 3,850 SH   DFND 1 3,850 0 0
BERKSHIRE HATHAWAY INC DEL CL A 084670108 2,991 10 SH   DFND 1 10 0 0
BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 37,858 189,785 SH   DFND 1 189,785 0 0
BLACKBAUD INC COM 09227Q100 1,890 18,561 SH   DFND 1 18,561 0 0
BLACKROCK INC COM 09247X101 777 1,435 SH   DFND 1 1,435 0 0
BLACKSTONE GROUP L P COM UNIT LTD 09253U108 1,718 53,780 SH   DFND 1 53,780 0 0
BOEING CO COM 097023105 893 2,725 SH   DFND 1 2,725 0 0
BOOKING HLDGS INC COM 09857L108 107,510 51,678 SH   DFND 1 51,678 0 0
CARDINAL HEALTH INC COM 14149Y108 594 9,481 SH   DFND 1 9,481 0 0
CARLYLE GROUP L P COM UTS LTD PTN 14309L102 358 16,754 SH   DFND 1 16,754 0 0
CELGENE CORP COM 151020104 729 8,174 SH   DFND 1 8,174 0 0
CHARTER COMMUNICATIONS INC N CL A 16119P108 120,604 387,521 SH   DFND 1 387,521 0 0
CLEARBRIDGE ENERGY MLP FD IN COM 184692101 4,109 326,352 SH   DFND 1 326,352 0 0
COCA COLA CO COM 191216100 3,663 84,339 SH   DFND 1 84,339 0 0
COLGATE PALMOLIVE CO COM 194162103 323 4,506 SH   DFND 1 4,506 0 0
COMCAST CORP NEW CL A 20030N101 115,984 3,394,317 SH   DFND 1 3,394,317 0 0
CONOCOPHILLIPS COM 20825C104 411 6,925 SH   DFND 1 6,925 0 0
CONSTELLATION BRANDS INC CL A 21036P108 1,104 4,842 SH   DFND 1 4,842 0 0
COUPA SOFTWARE INC COM 22266L106 1,493 32,737 SH   DFND 1 32,737 0 0
CREDIT ACCEP CORP MICH COM 225310101 322 975 SH   DFND 1 975 0 0
DANAHER CORP DEL COM 235851102 95,767 978,110 SH   DFND 1 978,110 0 0
DIAGEO P L C SPON ADR NEW 25243Q205 3,817 28,185 SH   DFND 1 28,185 0 0
DONALDSON INC COM 257651109 721 16,000 SH   DFND 1 16,000 0 0
DOVER CORP COM 260003108 950 9,671 SH   DFND 1 9,671 0 0
DOWDUPONT INC COM 26078J100 557 8,747 SH   DFND 1 8,747 0 0
EATON CORP PLC SHS G29183103 381 4,768 SH   DFND 1 4,768 0 0
ELECTRONIC ARTS INC COM 285512109 875 7,216 SH   DFND 1 7,216 0 0
ENSTAR GROUP LIMITED SHS G3075P101 336 1,600 SH   DFND 1 1,600 0 0
ENVIVA PARTNERS LP COM UNIT 29414J107 1,114 40,640 SH   DFND 1 40,640 0 0
EQUINIX INC COM PAR $0.001 29444U700 60,450 144,570 SH   DFND 1 144,570 0 0
ETSY INC COM 29786A106 1,796 64,000 SH   DFND 1 64,000 0 0
EXELIXIS INC COM 30161Q104 290 13,079 SH   DFND 1 13,079 0 0
EXPEDIA GROUP INC COM NEW 30212P303 3,159 28,615 SH   DFND 1 28,615 0 0
FACEBOOK INC CL A 30303M102 4,223 26,431 SH   DFND 1 26,431 0 0
FISERV INC COM 337738108 36,723 514,974 SH   DFND 1 514,974 0 0
FOMENTO ECONOMICO MEXICANO S SPON ADR UNITS 344419106 411 4,500 SH   DFND 1 4,500 0 0
GARTNER INC COM 366651107 1,019 8,662 SH   DFND 1 8,662 0 0
GENERAL DYNAMICS CORP COM 369550108 410 1,855 SH   DFND 1 1,855 0 0
GENERAL ELECTRIC CO COM 369604103 2,289 169,800 SH   DFND 1 169,800 0 0
GOLUB CAP BDC INC COM 38173M102 197 10,996 SH   DFND 1 10,996 0 0
GRUBHUB INC COM 400110102 880 8,671 SH   DFND 1 8,671 0 0
HOME DEPOT INC COM 437076102 3,565 20,000 SH   DFND 1 20,000 0 0
HONEYWELL INTL INC COM 438516106 519 3,594 SH   DFND 1 3,594 0 0
HUMANA INC COM 444859102 270 1,003 SH   DFND 1 1,003 0 0
IHS MARKIT LTD SHS G47567105 9,319 193,181 SH   DFND 1 193,181 0 0
INCYTE CORP COM 45337C102 1,707 20,488 SH   DFND 1 20,488 0 0
IONIS PHARMACEUTICALS INC COM 462222100 690 15,649 SH   DFND 1 15,649 0 0
IQVIA HLDGS INC COM 46266C105 6,848 69,798 SH   DFND 1 69,798 0 0
ISHARES TR MSCI ACWI ETF 464288257 3,384 47,197 SH   DFND 1 47,197 0 0
ISHARES TR MSCI ACWI EX US 464288240 2,716 54,666 SH   DFND 1 54,666 0 0
ISHARES TR MSCI EAFE ETF 464287465 923 13,253 SH   DFND 1 13,253 0 0
ISHARES TR MSCI EMG MKT ETF 464287234 864 17,900 SH   DFND 1 17,900 0 0
ISHARES TR NATIONAL MUN ETF 464288414 59,157 543,074 SH   DFND 1 543,074 0 0
ISHARES TR RUS 1000 GRW ETF 464287614 363 2,671 SH   DFND 1 2,671 0 0
ISHARES TR RUS 1000 VAL ETF 464287598 2,488 20,741 SH   DFND 1 20,741 0 0
ISHARES TR RUS 2000 GRW ETF 464287648 335 1,758 SH   DFND 1 1,758 0 0
ISHARES TR RUS 2000 VAL ETF 464287630 402 3,302 SH   DFND 1 3,302 0 0
ISHARES TR RUS MD CP GR ETF 464287481 365 2,969 SH   DFND 1 2,969 0 0
ISHARES TR RUS MDCP VAL ETF 464287473 404 4,678 SH   DFND 1 4,678 0 0
ISHARES TR S&P 100 ETF 464287101 737 6,353 SH   DFND 1 6,353 0 0
ISHARES TR SHRT NAT MUN ETF 464288158 1,774 16,917 SH   DFND 1 16,917 0 0
ISHARES TR US HOME CONS ETF 464288752 599 15,165 SH   DFND 1 15,165 0 0
JD COM INC SPON ADR CL A 47215P106 2,214 54,674 SH   DFND 1 54,674 0 0
JOHNSON & JOHNSON COM 478160104 6,196 48,348 SH   DFND 1 48,348 0 0
JPMORGAN CHASE & CO COM 46625H100 438 3,983 SH   DFND 1 3,983 0 0
KAYNE ANDERSON MLP INVT CO COM 486606106 4,639 281,637 SH   DFND 1 281,637 0 0
KKR & CO L P DEL COM UNITS 48248M102 1,233 60,727 SH   DFND 1 60,727 0 0
KNOT OFFSHORE PARTNERS LP COM UNITS Y48125101 641 32,350 SH   DFND 1 32,350 0 0
LABORATORY CORP AMER HLDGS COM NEW 50540R409 128,125 792,118 SH   DFND 1 792,118 0 0
LENDINGCLUB CORP COM 52603A109 585 167,140 SH   DFND 1 167,140 0 0
LEUCADIA NATL CORP COM 527288104 251 11,050 SH   DFND 1 11,050 0 0
LIBERTY GLOBAL PLC SHS CL A G5480U104 4,032 128,768 SH   DFND 1 128,768 0 0
LOWES COS INC COM 548661107 88,521 1,008,781 SH   DFND 1 1,008,781 0 0
MARKEL CORP COM 570535104 307 262 SH   DFND 1 262 0 0
MARRIOTT INTL INC NEW CL A 571903202 955 7,025 SH   DFND 1 7,025 0 0
MASTERCARD INCORPORATED CL A 57636Q104 1,151 6,570 SH   DFND 1 6,570 0 0
MATADOR RES CO COM 576485205 350 11,700 SH   DFND 1 11,700 0 0
MCDONALDS CORP COM 580135101 270 1,725 SH   DFND 1 1,725 0 0
MICROSOFT CORP COM 594918104 135,630 1,486,030 SH   DFND 1 1,486,030 0 0
MONDELEZ INTL INC CL A 609207105 2,482 59,484 SH   DFND 1 59,484 0 0
MOODYS CORP COM 615369105 95,634 592,894 SH   DFND 1 592,894 0 0
MORGAN STANLEY COM NEW 617446448 398 7,380 SH   DFND 1 7,380 0 0
MORGAN STANLEY EM MKTS DM DE COM 617477104 96 12,300 SH   DFND 1 12,300 0 0
NEKTAR THERAPEUTICS COM 640268108 2,466 23,207 SH   DFND 1 23,207 0 0
NETFLIX INC COM 64110L106 8,234 27,879 SH   DFND 1 27,879 0 0
NEW MTN FIN CORP COM 647551100 182 13,805 SH   DFND 1 13,805 0 0
NIKE INC CL B 654106103 386 5,815 SH   DFND 1 5,815 0 0
NORFOLK SOUTHERN CORP COM 655844108 216 1,589 SH   DFND 1 1,589 0 0
OAKTREE CAP GROUP LLC UNIT CL A 674001201 354 8,949 SH   DFND 1 8,949 0 0
PALO ALTO NETWORKS INC COM 697435105 2,671 14,715 SH   DFND 1 14,715 0 0
PANDORA MEDIA INC COM 698354107 242 48,113 SH   DFND 1 48,113 0 0
PAYPAL HLDGS INC COM 70450Y103 1,103 14,538 SH   DFND 1 14,538 0 0
PEPSICO INC COM 713448108 796 7,295 SH   DFND 1 7,295 0 0
PHILLIPS 66 COM 718546104 328 3,418 SH   DFND 1 3,418 0 0
POWERSHARES QQQ TRUST UNIT SER 1 73935A104 336 2,100 SH   DFND 1 2,100 0 0
PROCTER AND GAMBLE CO COM 742718109 4,263 53,776 SH   DFND 1 53,776 0 0
PROTO LABS INC COM 743713109 2,438 20,742 SH   DFND 1 20,742 0 0
ROPER TECHNOLOGIES INC COM 776696106 281 1,000 SH   DFND 1 1,000 0 0
RYDEX ETF TRUST GUG S&P500 PU VA 78355W304 974 15,073 SH   DFND 1 15,073 0 0
S&P GLOBAL INC COM 78409V104 24,394 127,677 SH   DFND 1 127,677 0 0
SALESFORCE COM INC COM 79466L302 1,123 9,656 SH   DFND 1 9,656 0 0
SCHWAB CHARLES CORP NEW COM 808513105 62,960 1,205,663 SH   DFND 1 1,205,663 0 0
SERVICENOW INC COM 81762P102 50,635 306,042 SH   DFND 1 306,042 0 0
SHERWIN WILLIAMS CO COM 824348106 48,225 122,985 SH   DFND 1 122,985 0 0
SHUTTERSTOCK INC COM 825690100 265 5,500 SH   DFND 1 5,500 0 0
SONY CORP SPONSORED ADR 835699307 973 20,132 SH   DFND 1 20,132 0 0
SPDR S&P 500 ETF TR TR UNIT 78462F103 6,825 25,936 SH   DFND 1 25,936 0 0
SPDR SER TR NUVEEN BLMBRG SR 78468R739 1,750 36,586 SH   DFND 1 36,586 0 0
SYSCO CORP COM 871829107 61,904 1,032,414 SH   DFND 1 1,032,414 0 0
TCP CAP CORP COM 87238Q103 347 24,416 SH   DFND 1 24,416 0 0
TEXAS INSTRS INC COM 882508104 355 3,416 SH   DFND 1 3,416 0 0
THIRD PT REINS LTD COM G8827U100 1,744 125,000 SH   DFND 1 125,000 0 0
TJX COS INC NEW COM 872540109 310 3,800 SH   DFND 1 3,800 0 0
TORTOISE ENERGY INFRA CORP COM 89147L100 4,228 169,244 SH   DFND 1 169,244 0 0
TORTOISE MLP FD INC COM 89148B101 4,298 269,124 SH   DFND 1 269,124 0 0
TPG SPECIALTY LENDING INC COM 87265K102 406 22,754 SH   DFND 1 22,754 0 0
TRANSDIGM GROUP INC COM 893641100 133,566 435,155 SH   DFND 1 435,155 0 0
TRIANGLE CAP CORP COM 895848109 219 19,692 SH   DFND 1 19,692 0 0
TWITTER INC COM 90184L102 11,684 402,743 SH   DFND 1 402,743 0 0
TYLER TECHNOLOGIES INC COM 902252105 1,695 8,034 SH   DFND 1 8,034 0 0
UNILEVER PLC SPON ADR NEW 904767704 3,820 68,760 SH   DFND 1 68,760 0 0
UNITED TECHNOLOGIES CORP COM 913017109 827 6,571 SH   DFND 1 6,571 0 0
UNITED THERAPEUTICS CORP DEL COM 91307C102 723 6,434 SH   DFND 1 6,434 0 0
VANGUARD BD INDEX FD INC INTERMED TERM 921937819 26,856 328,430 SH   DFND 1 328,430 0 0
VANGUARD BD INDEX FD INC SHORT TRM BOND 921937827 19,945 254,277 SH   DFND 1 254,277 0 0
VANGUARD INDEX FDS S&P 500 ETF SHS 922908363 3,346 13,821 SH   DFND 1 13,821 0 0
VANGUARD INDEX FDS SM CP VAL ETF 922908611 5,027 38,843 SH   DFND 1 38,843 0 0
VANGUARD INDEX FDS TOTAL STK MKT 922908769 17,644 130,004 SH   DFND 1 130,004 0 0
VANGUARD INTL EQUITY INDEX F ALLWRLD EX US 922042775 31,333 576,292 SH   DFND 1 576,292 0 0
VANGUARD INTL EQUITY INDEX F FTSE EMR MKT ETF 922042858 24,690 525,547 SH   DFND 1 525,547 0 0
VANGUARD INTL EQUITY INDEX F FTSE EUROPE ETF 922042874 6,310 108,518 SH   DFND 1 108,518 0 0
VANGUARD SCOTTSDALE FDS INT-TERM CORP 92206C870 11,396 134,328 SH   DFND 1 134,328 0 0
VANGUARD SCOTTSDALE FDS SHRT TRM CORP BD 92206C409 18,706 238,509 SH   DFND 1 238,509 0 0
VANGUARD STAR FD VG TL INTL STK F 921909768 107,473 1,900,503 SH   DFND 1 1,900,503 0 0
VANGUARD TAX MANAGED INTL FD FTSE DEV MKT ETF 921943858 27,481 621,029 SH   DFND 1 621,029 0 0
VANGUARD WORLD FDS ENERGY ETF 92204A306 413 4,467 SH   DFND 1 4,467 0 0
VANGUARD WORLD FDS FINANCIALS ETF 92204A405 587 8,449 SH   DFND 1 8,449 0 0
VANGUARD WORLD FDS INDUSTRIAL ETF 92204A603 534 3,841 SH   DFND 1 3,841 0 0
VANGUARD WORLD FDS MATERIALS ETF 92204A801 510 3,960 SH   DFND 1 3,960 0 0
VISA INC COM CL A 92826C839 1,236 10,332 SH   DFND 1 10,332 0 0
VODAFONE GROUP PLC NEW SPONSORED ADR 92857W308 3,447 123,898 SH   DFND 1 123,898 0 0
WALGREENS BOOTS ALLIANCE INC COM 931427108 770 11,757 SH   DFND 1 11,757 0 0
WAYFAIR INC CL A 94419L101 71,582 1,060,000 SH   DFND 1 1,060,000 0 0
WORKDAY INC CL A 98138H101 3,084 24,264 SH   DFND 1 24,264 0 0