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
ALLEGHANY CORP DEL COM 017175100 5,583 11,414 SH   SOLE   0 0 11,414
AMAZON COM INC COM 023135106 888 322 SH   SOLE   0 0 322
APPLE INC COM 037833100 5,418 14,853 SH   SOLE   0 0 14,853
ARISTA NETWORKS INC COM 040413106 576 2,743 SH   SOLE   0 0 2,743
AUTOZONE INC COM 053332102 1,430 1,268 SH   SOLE   0 0 1,268
AVALONBAY CMNTYS INC COM 053484101 209 1,350 SH   SOLE   0 0 1,350
BK OF AMERICA CORP COM 060505104 1,538 64,778 SH   SOLE   0 0 64,778
BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 23,652 132,495 SH   SOLE   0 0 132,495
BOSTON PPTYS LTD PARTNERSHIP COM 101121101 201 2,225 SH   SOLE   0 0 2,225
CHEVRON CORP NEW COM 166764100 921 10,321 SH   SOLE   0 0 10,321
COCA COLA CO COM 191216100 3,450 77,214 SH   SOLE   0 0 77,214
COGNIZANT TECHNOLOGY SOLUTIO CL A 192446102 1,162 20,446 SH   SOLE   0 0 20,446
COLFAX CORP COM 194014106 4,708 168,760 SH   SOLE   0 0 168,760
CORNING INC COM 219350105 4,452 171,876 SH   SOLE   0 0 171,876
DANAHER CORPORATION COM 235851102 234 1,322 SH   SOLE   0 0 1,322
DELTA AIR LINES INC DEL COM NEW 247361702 1,375 49,034 SH   SOLE   0 0 49,034
DISNEY WALT CO COM DISNEY 254687106 5,217 46,788 SH   SOLE   0 0 46,788
DOVER MOTORSPORTS INC COM 260174107 182 117,476 SH   SOLE   0 0 117,476
GENUINE PARTS CO COM 372460105 4,439 51,044 SH   SOLE   0 0 51,044
GRAHAM HLDGS CO COM CL B 384637104 857 2,500 SH   SOLE   0 0 2,500
HASBRO INC COM 418056107 2,646 35,305 SH   SOLE   0 0 35,305
HONEYWELL INTL INC COM 438516106 317 2,190 SH   SOLE   0 0 2,190
INTEL CORP COM 458140100 3,905 65,276 SH   SOLE   0 0 65,276
INTERNATIONAL BUSINESS MACHS COM 459200101 3,470 28,735 SH   SOLE   0 0 28,735
ISHARES TR CORE S&P500 ETF 464287200 203 656 SH   SOLE   0 0 656
JOHNSON & JOHNSON COM 478160104 5,155 36,657 SH   SOLE   0 0 36,657
KLA CORP COM NEW 482480100 812 4,174 SH   SOLE   0 0 4,174
LOCKHEED MARTIN CORP COM 539830109 3,300 9,044 SH   SOLE   0 0 9,044
LOEWS CORP COM 540424108 4,620 134,723 SH   SOLE   0 0 134,723
LOWES COS INC COM 548661107 2,769 20,494 SH   SOLE   0 0 20,494
MARKEL CORP COM 570535104 17,597 19,062 SH   SOLE   0 0 19,062
MARSH & MCLENNAN COS INC COM 571748102 2,705 25,193 SH   SOLE   0 0 25,193
MARRIOTT INTL INC NEW CL A 571903202 295 3,442 SH   SOLE   0 0 3,442
MCDONALDS CORP COM 580135101 293 1,587 SH   SOLE   0 0 1,587
MICROSOFT CORP COM 594918104 6,542 32,147 SH   SOLE   0 0 32,147
MOHAWK INDS INC COM 608190104 4,358 42,825 SH   SOLE   0 0 42,825
NIKE INC CL B 654106103 987 10,067 SH   SOLE   0 0 10,067
NORFOLK SOUTHERN CORP COM 655844108 6,193 35,272 SH   SOLE   0 0 35,272
PARKER HANNIFIN CORP COM 701094104 1,185 6,468 SH   SOLE   0 0 6,468
PAYCHEX INC COM 704326107 6,452 85,179 SH   SOLE   0 0 85,179
PEPSICO INC COM 713448108 5,700 43,100 SH   SOLE   0 0 43,100
PFIZER INC COM 717081103 538 16,464 SH   SOLE   0 0 16,464
PHILIP MORRIS INTL INC COM 718172109 293 4,187 SH   SOLE   0 0 4,187
PROGRESSIVE CORP OHIO COM 743315103 8,571 106,992 SH   SOLE   0 0 106,992
RYANAIR HOLDINGS PLC SPONSORED ADS 783513203 558 8,410 SH   SOLE   0 0 8,410
SEI INVTS CO COM 784117103 982 17,869 SH   SOLE   0 0 17,869
SANDY SPRING BANCORP INC COM 800363103 2,566 103,532 SH   SOLE   0 0 103,532
STARBUCKS CORP COM 855244109 2,996 40,710 SH   SOLE   0 0 40,710
UNILEVER PLC SPON ADR NEW 904767704 224 4,090 SH   SOLE   0 0 4,090
WALGREENS BOOTS ALLIANCE INC COM 931427108 4,284 101,062 SH   SOLE   0 0 101,062
WASHINGTON REAL ESTATE INVT SH BEN INT 939653101 220 9,911 SH   SOLE   0 0 9,911
WELLS FARGO CO NEW COM 949746101 1,997 78,020 SH   SOLE   0 0 78,020
WHIRLPOOL CORP COM 963320106 1,706 13,172 SH   SOLE   0 0 13,172
AT&T INC COM 00206R102 502 16,613 SH   SOLE   0 0 16,613
ACTIVISION BLIZZARD INC COM 00507V109 2,368 31,199 SH   SOLE   0 0 31,199
ALERUS FINL CORP COM 01446U103 397 20,100 SH   SOLE   0 0 20,100
ALPHABET INC CAP STK CL C 02079K107 2,417 1,710 SH   SOLE   0 0 1,710
ALTRIA GROUP INC COM 02209S103 339 8,638 SH   SOLE   0 0 8,638
BOOKING HOLDINGS INC COM 09857L108 1,955 1,228 SH   SOLE   0 0 1,228
CABLE ONE INC COM 12685J105 4,425 2,493 SH   SOLE   0 0 2,493
COSTCO WHSL CORP NEW COM 22160K105 604 1,992 SH   SOLE   0 0 1,992
DIAGEO P L C SPON ADR NEW 25243Q205 5,179 38,535 SH   SOLE   0 0 38,535
DISCOVERY INC COM SER A 25470F104 4,637 219,756 SH   SOLE   0 0 219,756
EXXON MOBIL CORP COM 30231G102 2,323 51,944 SH   SOLE   0 0 51,944
FACEBOOK INC CL A 30303M102 3,236 14,251 SH   SOLE   0 0 14,251
FEDEX CORP COM 31428X106 530 3,780 SH   SOLE   0 0 3,780
GLAXOSMITHKLINE PLC SPONSORED ADR 37733W105 1,169 28,650 SH   SOLE   0 0 28,650
JPMORGAN CHASE & CO COM 46625H100 2,851 30,309 SH   SOLE   0 0 30,309
JEFFERIES FINL GROUP INC COM 47233W109 4,634 298,019 SH   SOLE   0 0 298,019
MADISON SQUARE GRDN SPRT COR CL A 55825T103 4,219 28,721 SH   SOLE   0 0 28,721
MADISON SQUARE GRDN ENTERTNM CL A 55826T102 1,950 26,003 SH   SOLE   0 0 26,003
PRICE T ROWE GROUP INC COM 74144T108 9,394 76,068 SH   SOLE   0 0 76,068
SPDR S&P 500 ETF TR TR UNIT 78462F103 421 1,366 SH   SOLE   0 0 1,366
SPDR GOLD TR GOLD SHS 78463V107 239 1,430 SH   SOLE   0 0 1,430
TD AMERITRADE HLDG CORP COM 87236Y108 3,030 83,281 SH   SOLE   0 0 83,281
ULTA BEAUTY INC COM 90384S303 1,101 5,414 SH   SOLE   0 0 5,414
ACCENTURE PLC IRELAND SHS CLASS A G1151C101 2,961 13,789 SH   SOLE   0 0 13,789
JOHNSON CTLS INTL PLC SHS G51502105 3,674 107,613 SH   SOLE   0 0 107,613
PENTAIR PLC SHS G7S00T104 327 8,603 SH   SOLE   0 0 8,603
CHECK POINT SOFTWARE TECH LT ORD M22465104 4,003 37,257 SH   SOLE   0 0 37,257