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 4,055 20,614 SH   DFND 1 20,614 0 0
ABB LTD SPONSORED ADR 000375204 332 15,234 SH   DFND 1 15,234 0 0
ABBOTT LABS COM 002824100 709 11,627 SH   DFND 1 11,627 0 0
ABBVIE INC COM 00287Y109 788 8,504 SH   DFND 1 8,504 0 0
ABIOMED INC COM 003654100 8,956 21,894 SH   DFND 1 21,894 0 0
ACTIVISION BLIZZARD INC COM 00507V109 1,695 22,208 SH   DFND 1 22,208 0 0
ADOBE SYS INC COM 00724F101 1,821 7,469 SH   DFND 1 7,469 0 0
ADVANCE AUTO PARTS INC COM 00751Y106 107,272 790,508 SH   DFND 1 790,508 0 0
ADVANCED DRAIN SYS INC DEL COM 00790R104 3,021 105,820 SH   DFND 1 105,820 0 0
ALIBABA GROUP HLDG LTD SPONSORED ADS 01609W102 11,684 62,979 SH   DFND 1 62,979 0 0
ALPHABET INC CAP STK CL C 02079K107 151,106 135,442 SH   DFND 1 135,442 0 0
ALPHABET INC CAP STK CL A 02079K305 8,476 7,506 SH   DFND 1 7,506 0 0
ALPS ETF TR ALERIAN MLP 00162Q866 7,177 710,583 SH   DFND 1 710,583 0 0
AMAZON COM INC COM 023135106 11,790 6,936 SH   DFND 1 6,936 0 0
AMERICAN EXPRESS CO COM 025816109 268 2,731 SH   DFND 1 2,731 0 0
AMERISOURCEBERGEN CORP COM 03073E105 46,634 546,903 SH   DFND 1 546,903 0 0
ANHEUSER BUSCH INBEV SA/NV SPONSORED ADR 03524A108 66,117 656,186 SH   DFND 1 656,186 0 0
ANNALY CAP MGMT INC COM 035710409 108 10,500 SH   DFND 1 10,500 0 0
APERGY CORP COM 03755L104 202 4,835 SH   DFND 1 4,835 0 0
APOLLO GLOBAL MGMT LLC CL A SHS 037612306 1,298 40,716 SH   DFND 1 40,716 0 0
APPLE INC COM 037833100 3,627 19,593 SH   DFND 1 19,593 0 0
ARES CAP CORP COM 04010L103 5,265 320,060 SH   DFND 1 320,060 0 0
AUTOMATIC DATA PROCESSING IN COM 053015103 455 3,391 SH   DFND 1 3,391 0 0
BAIDU INC SPON ADR REP A 056752108 974 4,009 SH   DFND 1 4,009 0 0
BAXTER INTL INC COM 071813109 221 2,990 SH   DFND 1 2,990 0 0
BERKSHIRE HATHAWAY INC DEL CL A 084670108 2,820 10 SH   DFND 1 10 0 0
BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 34,435 184,488 SH   DFND 1 184,488 0 0
BIOMARIN PHARMACEUTICAL INC COM 09061G101 203 2,154 SH   DFND 1 2,154 0 0
BLACKBAUD INC COM 09227Q100 1,902 18,561 SH   DFND 1 18,561 0 0
BLACKROCK INC COM 09247X101 716 1,435 SH   DFND 1 1,435 0 0
BLACKSTONE GROUP L P COM UNIT LTD 09253U108 1,668 51,839 SH   DFND 1 51,839 0 0
BOEING CO COM 097023105 914 2,725 SH   DFND 1 2,725 0 0
BOOKING HLDGS INC COM 09857L108 101,821 50,230 SH   DFND 1 50,230 0 0
CARDINAL HEALTH INC COM 14149Y108 463 9,481 SH   DFND 1 9,481 0 0
CARLYLE GROUP L P COM UTS LTD PTN 14309L102 1,092 51,272 SH   DFND 1 51,272 0 0
CELGENE CORP COM 151020104 649 8,174 SH   DFND 1 8,174 0 0
CHARTER COMMUNICATIONS INC N CL A 16119P108 114,174 389,392 SH   DFND 1 389,392 0 0
CLEARBRIDGE ENERGY MLP FD IN COM 184692101 9,020 638,351 SH   DFND 1 638,351 0 0
COCA COLA CO COM 191216100 3,720 84,813 SH   DFND 1 84,813 0 0
COLGATE PALMOLIVE CO COM 194162103 292 4,506 SH   DFND 1 4,506 0 0
COMCAST CORP NEW CL A 20030N101 110,159 3,357,475 SH   DFND 1 3,357,475 0 0
CONOCOPHILLIPS COM 20825C104 482 6,925 SH   DFND 1 6,925 0 0
CONSTELLATION BRANDS INC CL A 21036P108 1,060 4,842 SH   DFND 1 4,842 0 0
COUPA SOFTWARE INC COM 22266L106 2,038 32,737 SH   DFND 1 32,737 0 0
CREDIT ACCEP CORP MICH COM 225310101 345 975 SH   DFND 1 975 0 0
CTRIP COM INTL LTD AMERICAN DEP SHS 22943F100 1,334 28,015 SH   DFND 1 28,015 0 0
DANAHER CORP DEL COM 235851102 51,086 517,694 SH   DFND 1 517,694 0 0
DIAGEO P L C SPON ADR NEW 25243Q205 4,059 28,185 SH   DFND 1 28,185 0 0
DONALDSON INC COM 257651109 722 16,000 SH   DFND 1 16,000 0 0
DOVER CORP COM 260003108 708 9,671 SH   DFND 1 9,671 0 0
DOWDUPONT INC COM 26078J100 511 7,747 SH   DFND 1 7,747 0 0
EATON CORP PLC SHS G29183103 356 4,768 SH   DFND 1 4,768 0 0
ELECTRONIC ARTS INC COM 285512109 1,550 10,990 SH   DFND 1 10,990 0 0
ENSTAR GROUP LIMITED SHS G3075P101 332 1,600 SH   DFND 1 1,600 0 0
ENVIVA PARTNERS LP COM UNIT 29414J107 1,183 40,640 SH   DFND 1 40,640 0 0
EQUINIX INC COM PAR $0.001 29444U700 69,070 160,668 SH   DFND 1 160,668 0 0
ETSY INC COM 29786A106 2,700 64,000 SH   DFND 1 64,000 0 0
EXELIXIS INC COM 30161Q104 281 13,079 SH   DFND 1 13,079 0 0
EXPEDIA GROUP INC COM NEW 30212P303 2,920 24,295 SH   DFND 1 24,295 0 0
FACEBOOK INC CL A 30303M102 88,627 456,086 SH   DFND 1 456,086 0 0
FISERV INC COM 337738108 37,160 501,548 SH   DFND 1 501,548 0 0
FOMENTO ECONOMICO MEXICANO S SPON ADR UNITS 344419106 395 4,500 SH   DFND 1 4,500 0 0
GARTNER INC COM 366651107 921 6,930 SH   DFND 1 6,930 0 0
GENERAL DYNAMICS CORP COM 369550108 346 1,855 SH   DFND 1 1,855 0 0
GENERAL ELECTRIC CO COM 369604103 4,937 362,760 SH   DFND 1 362,760 0 0
GOLUB CAP BDC INC COM 38173M102 556 30,396 SH   DFND 1 30,396 0 0
GRUBHUB INC COM 400110102 910 8,671 SH   DFND 1 8,671 0 0
HOME DEPOT INC COM 437076102 3,902 20,000 SH   DFND 1 20,000 0 0
HONEYWELL INTL INC COM 438516106 540 3,746 SH   DFND 1 3,746 0 0
HUMANA INC COM 444859102 299 1,003 SH   DFND 1 1,003 0 0
IHS MARKIT LTD SHS G47567105 10,373 201,066 SH   DFND 1 201,066 0 0
INCYTE CORP COM 45337C102 1,373 20,488 SH   DFND 1 20,488 0 0
INVESCO EXCHANGE TRADED FD T S&P500 PUR VAL 46137V258 991 15,073 SH   DFND 1 15,073 0 0
INVESCO QQQ TR UNIT SER 1 46090E103 360 2,100 SH   DFND 1 2,100 0 0
IONIS PHARMACEUTICALS INC COM 462222100 652 15,649 SH   DFND 1 15,649 0 0
IQVIA HLDGS INC COM 46266C105 12,510 125,327 SH   DFND 1 125,327 0 0
ISHARES TR S&P 100 ETF 464287101 760 6,353 SH   DFND 1 6,353 0 0
ISHARES TR MSCI EMG MKT ETF 464287234 929 21,429 SH   DFND 1 21,429 0 0
ISHARES TR MSCI EAFE ETF 464287465 1,302 19,439 SH   DFND 1 19,439 0 0
ISHARES TR RUS MDCP VAL ETF 464287473 412 4,655 SH   DFND 1 4,655 0 0
ISHARES TR RUS MD CP GR ETF 464287481 376 2,969 SH   DFND 1 2,969 0 0
ISHARES TR RUS 1000 VAL ETF 464287598 2,518 20,741 SH   DFND 1 20,741 0 0
ISHARES TR RUS 1000 GRW ETF 464287614 384 2,671 SH   DFND 1 2,671 0 0
ISHARES TR RUS 2000 VAL ETF 464287630 436 3,302 SH   DFND 1 3,302 0 0
ISHARES TR RUS 2000 GRW ETF 464287648 359 1,758 SH   DFND 1 1,758 0 0
ISHARES TR RUSSELL 3000 ETF 464287689 764 4,709 SH   DFND 1 4,709 0 0
ISHARES TR SHRT NAT MUN ETF 464288158 1,837 17,489 SH   DFND 1 17,489 0 0
ISHARES TR MSCI ACWI EX US 464288240 1,190 25,185 SH   DFND 1 25,185 0 0
ISHARES TR MSCI ACWI ETF 464288257 3,377 47,479 SH   DFND 1 47,479 0 0
ISHARES TR NATIONAL MUN ETF 464288414 24,558 225,223 SH   DFND 1 225,223 0 0
ISHARES TR US HOME CONS ETF 464288752 579 15,165 SH   DFND 1 15,165 0 0
JD COM INC SPON ADR CL A 47215P106 2,130 54,674 SH   DFND 1 54,674 0 0
JEFFERIES FINL GROUP INC COM 47233W109 251 11,050 SH   DFND 1 11,050 0 0
JOHNSON & JOHNSON COM 478160104 21,398 176,348 SH   DFND 1 176,348 0 0
JPMORGAN CHASE & CO COM 46625H100 415 3,983 SH   DFND 1 3,983 0 0
KAYNE ANDERSON MLP INVT CO COM 486606106 9,632 511,256 SH   DFND 1 511,256 0 0
KKR & CO L P DEL COM UNITS 48248M102 1,235 49,716 SH   DFND 1 49,716 0 0
KNOT OFFSHORE PARTNERS LP COM UNITS Y48125101 717 32,350 SH   DFND 1 32,350 0 0
LABORATORY CORP AMER HLDGS COM NEW 50540R409 145,329 809,496 SH   DFND 1 809,496 0 0
LENDINGCLUB CORP COM 52603A109 633 167,140 SH   DFND 1 167,140 0 0
LIBERTY BROADBAND CORP COM SER A 530307107 5,163 68,259 SH   DFND 1 68,259 0 0
LIBERTY GLOBAL PLC SHS CL A G5480U104 3,535 128,346 SH   DFND 1 128,346 0 0
LOWES COS INC COM 548661107 100,529 1,051,886 SH   DFND 1 1,051,886 0 0
MARKEL CORP COM 570535104 284 262 SH   DFND 1 262 0 0
MARRIOTT INTL INC NEW CL A 571903202 507 4,005 SH   DFND 1 4,005 0 0
MASTERCARD INCORPORATED CL A 57636Q104 1,291 6,570 SH   DFND 1 6,570 0 0
MATADOR RES CO COM 576485205 352 11,700 SH   DFND 1 11,700 0 0
MCDONALDS CORP COM 580135101 270 1,725 SH   DFND 1 1,725 0 0
MERCADOLIBRE INC COM 58733R102 1,369 4,581 SH   DFND 1 4,581 0 0
MERCK & CO INC COM 58933Y105 209 3,444 SH   DFND 1 3,444 0 0
MICROSOFT CORP COM 594918104 150,373 1,524,923 SH   DFND 1 1,524,923 0 0
MONDELEZ INTL INC CL A 609207105 2,271 55,380 SH   DFND 1 55,380 0 0
MONGODB INC CL A 60937P106 5,398 108,766 SH   DFND 1 108,766 0 0
MOODYS CORP COM 615369105 99,951 586,018 SH   DFND 1 586,018 0 0
MORGAN STANLEY COM NEW 617446448 350 7,380 SH   DFND 1 7,380 0 0
MORGAN STANLEY EM MKTS DM DE COM 617477104 82 12,300 SH   DFND 1 12,300 0 0
NEKTAR THERAPEUTICS COM 640268108 1,133 23,207 SH   DFND 1 23,207 0 0
NETFLIX INC COM 64110L106 11,468 29,297 SH   DFND 1 29,297 0 0
NEW MTN FIN CORP COM 647551100 538 39,568 SH   DFND 1 39,568 0 0
NIKE INC CL B 654106103 463 5,815 SH   DFND 1 5,815 0 0
NORFOLK SOUTHERN CORP COM 655844108 240 1,589 SH   DFND 1 1,589 0 0
NVIDIA CORP COM 67066G104 1,325 5,595 SH   DFND 1 5,595 0 0
OAKTREE CAP GROUP LLC UNIT CL A 674001201 1,121 27,565 SH   DFND 1 27,565 0 0
PALO ALTO NETWORKS INC COM 697435105 3,023 14,715 SH   DFND 1 14,715 0 0
PANDORA MEDIA INC COM 698354107 379 48,113 SH   DFND 1 48,113 0 0
PAYPAL HLDGS INC COM 70450Y103 1,713 20,577 SH   DFND 1 20,577 0 0
PEPSICO INC COM 713448108 794 7,295 SH   DFND 1 7,295 0 0
PHILLIPS 66 COM 718546104 373 3,318 SH   DFND 1 3,318 0 0
PROCTER AND GAMBLE CO COM 742718109 3,859 49,439 SH   DFND 1 49,439 0 0
PROTO LABS INC COM 743713109 2,467 20,742 SH   DFND 1 20,742 0 0
ROPER TECHNOLOGIES INC COM 776696106 276 1,000 SH   DFND 1 1,000 0 0
S&P GLOBAL INC COM 78409V104 24,687 121,080 SH   DFND 1 121,080 0 0
SALESFORCE COM INC COM 79466L302 1,831 13,422 SH   DFND 1 13,422 0 0
SCHWAB CHARLES CORP NEW COM 808513105 62,229 1,217,789 SH   DFND 1 1,217,789 0 0
SERVICENOW INC COM 81762P102 50,030 290,078 SH   DFND 1 290,078 0 0
SHERWIN WILLIAMS CO COM 824348106 48,439 118,849 SH   DFND 1 118,849 0 0
SHUTTERSTOCK INC COM 825690100 261 5,500 SH   DFND 1 5,500 0 0
SONY CORP SPONSORED ADR 835699307 1,032 20,132 SH   DFND 1 20,132 0 0
SPDR S&P 500 ETF TR TR UNIT 78462F103 6,356 23,430 SH   DFND 1 23,430 0 0
SPDR SER TR NUVEEN BLMBRG SR 78468R739 1,781 37,111 SH   DFND 1 37,111 0 0
SQUARE INC CL A 852234103 875 14,203 SH   DFND 1 14,203 0 0
SYSCO CORP COM 871829107 77,979 1,141,876 SH   DFND 1 1,141,876 0 0
TCP CAP CORP COM 87238Q103 757 52,420 SH   DFND 1 52,420 0 0
TEXAS INSTRS INC COM 882508104 377 3,416 SH   DFND 1 3,416 0 0
THIRD PT REINS LTD COM G8827U100 1,563 125,000 SH   DFND 1 125,000 0 0
TJX COS INC NEW COM 872540109 362 3,800 SH   DFND 1 3,800 0 0
TORTOISE ENERGY INFRA CORP COM 89147L100 8,643 323,827 SH   DFND 1 323,827 0 0
TORTOISE MLP FD INC COM 89148B101 8,716 510,606 SH   DFND 1 510,606 0 0
TORTOISE MLP FD INC RIGHT 07/18/2018 89148B119 187 502,653 SH   DFND 1 502,653 0 0
TPG SPECIALTY LENDING INC COM 87265K102 834 46,502 SH   DFND 1 46,502 0 0
TRANSDIGM GROUP INC COM 893641100 147,107 426,224 SH   DFND 1 426,224 0 0
TWENTY FIRST CENTY FOX INC CL A 90130A101 5,640 113,500 SH   DFND 1 113,500 0 0
TWITTER INC COM 90184L102 17,588 402,743 SH   DFND 1 402,743 0 0
TYLER TECHNOLOGIES INC COM 902252105 1,784 8,034 SH   DFND 1 8,034 0 0
UNILEVER PLC SPON ADR NEW 904767704 3,801 68,760 SH   DFND 1 68,760 0 0
UNITED TECHNOLOGIES CORP COM 913017109 822 6,571 SH   DFND 1 6,571 0 0
UNITED THERAPEUTICS CORP DEL COM 91307C102 728 6,434 SH   DFND 1 6,434 0 0
VANGUARD BD INDEX FD INC INTERMED TERM 921937819 5,865 72,433 SH   DFND 1 72,433 0 0
VANGUARD BD INDEX FD INC SHORT TRM BOND 921937827 7,869 100,610 SH   DFND 1 100,610 0 0
VANGUARD INDEX FDS S&P 500 ETF SHS 922908363 619 2,480 SH   DFND 1 2,480 0 0
VANGUARD INDEX FDS SM CP VAL ETF 922908611 5,274 38,843 SH   DFND 1 38,843 0 0
VANGUARD INDEX FDS TOTAL STK MKT 922908769 19,778 140,841 SH   DFND 1 140,841 0 0
VANGUARD INTL EQUITY INDEX F ALLWRLD EX US 922042775 31,406 605,827 SH   DFND 1 605,827 0 0
VANGUARD INTL EQUITY INDEX F FTSE EMR MKT ETF 922042858 18,487 438,084 SH   DFND 1 438,084 0 0
VANGUARD INTL EQUITY INDEX F FTSE EUROPE ETF 922042874 6,091 108,518 SH   DFND 1 108,518 0 0
VANGUARD SCOTTSDALE FDS SHRT TRM CORP BD 92206C409 10,870 139,178 SH   DFND 1 139,178 0 0
VANGUARD SCOTTSDALE FDS INT-TERM CORP 92206C870 9,750 116,737 SH   DFND 1 116,737 0 0
VANGUARD STAR FD VG TL INTL STK F 921909768 109,200 2,018,481 SH   DFND 1 2,018,481 0 0
VANGUARD TAX MANAGED INTL FD FTSE DEV MKT ETF 921943858 32,020 746,391 SH   DFND 1 746,391 0 0
VANGUARD WORLD FDS ENERGY ETF 92204A306 469 4,467 SH   DFND 1 4,467 0 0
VANGUARD WORLD FDS FINANCIALS ETF 92204A405 570 8,449 SH   DFND 1 8,449 0 0
VANGUARD WORLD FDS INDUSTRIAL ETF 92204A603 522 3,841 SH   DFND 1 3,841 0 0
VANGUARD WORLD FDS MATERIALS ETF 92204A801 521 3,960 SH   DFND 1 3,960 0 0
VISA INC COM CL A 92826C839 1,413 10,668 SH   DFND 1 10,668 0 0
VODAFONE GROUP PLC NEW SPONSORED ADR 92857W308 2,385 98,097 SH   DFND 1 98,097 0 0
WALGREENS BOOTS ALLIANCE INC COM 931427108 598 9,970 SH   DFND 1 9,970 0 0
WALMART INC COM 931142103 1,113 12,997 SH   DFND 1 12,997 0 0
WAYFAIR INC CL A 94419L101 125,886 1,060,000 SH   DFND 1 1,060,000 0 0
WORKDAY INC CL A 98138H101 3,468 28,636 SH   DFND 1 28,636 0 0