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
AES CORP COM 00130H105 40,102 2,392,703 SH   SOLE 0 2,392,703 0 0
AMAZON COM INC COM 023135106 25,717 13,581 SH   SOLE 0 13,581 0 0
AMERICAN INTL GROUP INC *W EXP 01/19/21 026874156 257 21,000 SH   SOLE 0 21,000 0 0
AMERICAN INTL GROUP INC COM NEW 026874784 3,123 58,610 SH   SOLE 0 58,610 0 0
AMERICAN TOWER CORP CL A 03027X100 124,227 607,617 SH   SOLE 0 607,617 0 0
ANTARES PHARMA INC COM 036642106 941 286,097 SH   SOLE 0 286,097 0 0
APPLE INC COM 037833100 17,679 89,325 SH   SOLE 0 89,325 0 0
ATOMERA INC COM 04965B100 787 156,506 SH   SOLE 0 156,506 0 0
AXOS FINL INC COM 05465C100 887 32,540 SH   SOLE 0 32,540 0 0
BANK AMER CORP COM 060505104 37,220 1,283,455 SH   SOLE 0 1,283,455 0 0
BERKSHIRE HATHAWAY INC DEL CL A 084670108 1,910 6 SH   SOLE 0 6 0 0
BERKSHIRE HATHAWAY INC DEL CL B 084670702 24,290 113,947 SH   SOLE 0 113,947 0 0
B O K FINL CORP COM NEW 05561Q201 2,848 136,438 SH   SOLE 0 136,438 0 0
BROOKFIELD INFRAST PARTNERS LP INT UNIT G16252101 6,927 161,317 SH   SOLE 0 161,317 0 0
BROOKFIELD PROPERTY REIT INC CL A 11282X103 542 28,680 SH   SOLE 0 28,680 0 0
CARMAX INC COM 143130102 59,306 683,009 SH   SOLE 0 683,009 0 0
CEDAR FAIR LP DEPOSITRY UNIT 150185106 4,081 85,577 SH   SOLE 0 85,577 0 0
CINCINNATI BELL INC NEW PFD CV DEP1/20 171871403 1,061 28,640 SH   SOLE 0 28,640 0 0
CITIGROUP INC COM NEW 172967424 19,011 271,464 SH   SOLE 0 271,464 0 0
CITY OFFICE REIT INC COM 178587101 1,829 152,575 SH   SOLE 0 152,575 0 0
COLONY CAP INC NEW CL A COM 19626G108 818 163,500 SH   SOLE 0 163,500 0 0
COPART INC COM 217204106 20,074 268,584 SH   SOLE 0 268,584 0 0
COVETRUS INC COM 22304C100 13,055 533,718 SH   SOLE 0 533,718 0 0
CROWN HOLDINGS INC COM 228368106 24,913 407,737 SH   SOLE 0 407,737 0 0
CYTOSORBENTS CORP COM NEW 23283X206 960 145,300 SH   SOLE 0 145,300 0 0
DENNYS CORP COM 24869P104 79,275 3,861,440 SH   SOLE 0 3,861,440 0 0
DINE BRANDS GLOBAL INC COM 254423106 2,623 27,475 SH   SOLE 0 27,475 0 0
DOLLAR TREE INC COM 256746108 49,975 465,357 SH   SOLE 0 465,357 0 0
ENERGY RECOVERY INC COM 29270J100 8,397 805,900 SH   SOLE 0 805,900 0 0
ENERGY TRANSFER LP COM UT LTD PTN 29273V100 6,820 484,358 SH   SOLE 0 484,358 0 0
ENTERPRISE PRODS PARTNERS LP COM 293792107 3,893 134,838 SH   SOLE 0 134,838 0 0
ENVIVA PARTNERS LP COM UNIT 29414J107 2,768 88,112 SH   SOLE 0 88,112 0 0
EQUINIX COM NEW 29444U700 1,671 3,313 SH   SOLE 0 3,313 0 0
EXXON MOBIL CORP COM 30231G102 222 2,895 SH   SOLE 0 2,895 0 0
FAUQUIER BANKSHARES INC VA COM 312059108 341 16,000 SH   SOLE 0 16,000 0 0
FIVE BELOW INC COM 33829M101 224 1,870 SH   SOLE 0 1,870 0 0
GENERAL ELECTRIC CO COM 369604103 130 12,350 SH   SOLE 0 12,350 0 0
GLADSTONE COML CORP COM 376536108 1,983 93,452 SH   SOLE 0 93,452 0 0
GOOSEHEAD INS INC COM CL A 38267D109 2,656 55,560 SH   SOLE 0 55,560 0 0
SCHEIN HENRY INC COM 806407102 30,941 442,647 SH   SOLE 0 442,647 0 0
INTERNAP CORP COM PAR 45885A409 3,544 1,177,375 SH   SOLE 0 1,177,375 0 0
JPMORGAN CHASE & CO COM 46625H100 220 1,970 SH   SOLE 0 1,970 0 0
KINDER MORGAN INC COM 49456B101 3,769 180,491 SH   SOLE 0 180,491 0 0
LANDMARK INFRASTRUCTURE LP COM UNIT LTD 51508J108 1,242 73,712 SH   SOLE 0 73,712 0 0
MACQUARIE INFRASTR CO LLC MEMBERSHIP INT 55608B105 6,500 160,336 SH   SOLE 0 160,336 0 0
MARKEL CORP COM 570535104 74,552 68,421 SH   SOLE 0 68,421 0 0
MASTERCARD INC CL A 57636Q104 5,933 22,429 SH   SOLE 0 22,429 0 0
MICROSOFT CORP COM 594918104 80,418 600,316 SH   SOLE 0 600,316 0 0
MPLX LP COM UNIT REP LTD 55336V100 7,272 225,905 SH   SOLE 0 225,905 0 0
NEW RESIDENTIAL INVT CORP COM NEW 64828T201 905 58,825 SH   SOLE 0 58,825 0 0
NOVAVAX INC COM 670002104 66 11,300 SH   SOLE 0 11,300 0 0
OPTIMIZERX CORP COM NEW 68401U204 3,630 224,100 SH   SOLE 0 224,100 0 0
O REILLY AUTOMOTIVE INC NEW COM 67103H107 27,532 74,548 SH   SOLE 0 74,548 0 0
PATTERN ENERGY GROUP INC CL A 70338P100 2,139 92,633 SH   SOLE 0 92,633 0 0
PIONEER NAT RES CO COM 723787107 43,275 281,263 SH   SOLE 0 281,263 0 0
PROCTER AND GAMBLE CO COM 742718109 219 2,000 SH   SOLE 0 2,000 0 0
SBA COMMUNICATIONS CORP COM 78410G104 1,439 6,398 SH   SOLE 0 6,398 0 0
SIX FLAGS ENTMT CORP NEW COM 83001A102 434 8,745 SH   SOLE 0 8,745 0 0
SPDR GOLD TRUST GOLD SHS 78463V107 395 2,969 SH   SOLE 0 2,969 0 0
SPROTT PHYSICAL GOLD TRUST UNIT 85207H104 440 38,860 SH   SOLE 0 38,860 0 0
STARWOOD PPTY TR INC COM 85571B105 1,014 44,623 SH   SOLE 0 44,623 0 0
STORE CAP CORP COM 862121100 332 9,990 SH   SOLE 0 9,990 0 0
KRAFT HEINZ CO COM 500754106 282 9,080 SH   SOLE 0 9,080 0 0
TRUPANION INC COM 898202106 11,368 314,637 SH   SOLE 0 314,637 0 0
UNIVERSAL DISPLAY CORP COM 91347P105 44,569 236,994 SH   SOLE 0 236,994 0 0
VISA INC COM CL A 92826C839 5,278 30,411 SH   SOLE 0 30,411 0 0
WELLS FARGO & CO NEW COM 949746101 1,297 27,404 SH   SOLE 0 27,404 0 0
ZAYO GROUP HLDGS INC COM 98919V105 6,810 206,943 SH   SOLE 0 206,943 0 0