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
2U INC COM 90214J101 1,078 12,900 SH   SOLE 0 12,900 0 0
AES CORP COM 00130H105 33,757 2,517,289 SH   SOLE 0 2,517,289 0 0
AMAZON COM INC COM 023135106 23,578 13,871 SH   SOLE 0 13,871 0 0
AMERICAN INTL GROUP INC *W EXP 01/19/21 026874156 457 31,515 SH   SOLE 0 31,515 0 0
AMERICAN INTL GROUP INC COM NEW 026874784 9,307 175,543 SH   SOLE 0 175,543 0 0
AMERICAN TOWER CORP CL A 03027X100 90,466 627,498 SH   SOLE 0 627,498 0 0
ANTARES PHARMA INC COM 036642106 752 291,597 SH   SOLE 0 291,597 0 0
APPLE INC COM 037833100 16,099 86,969 SH   SOLE 0 86,969 0 0
ATOMERA INC COM 04965B100 291 47,500 SH   SOLE 0 47,500 0 0
BANK AMER CORP COM 060505104 26,178 928,613 SH   SOLE 0 928,613 0 0
BANK AMER CORP *W EXP 01/16/19 060505146 326 20,000 SH   SOLE 0 20,000 0 0
BERKSHIRE HATHAWAY INC DEL CL A 084670108 1,692 6 SH   SOLE 0 6 0 0
BERKSHIRE HATHAWAY INC DEL CL B 084670702 15,051 80,635 SH   SOLE 0 80,635 0 0
BOFI HLDG INC COM 05566U108 1,331 32,540 SH   SOLE 0 32,540 0 0
B O K FINL CORP COM NEW 05561Q201 12,948 137,730 SH   SOLE 0 137,730 0 0
BROOKFIELD INFRAST PARTNERS LP INT UNIT G16252101 6,155 160,287 SH   SOLE 0 160,287 0 0
CARMAX INC COM 143130102 51,916 712,443 SH   SOLE 0 712,443 0 0
CEDAR FAIR LP DEPOSITRY UNIT 150185106 5,367 85,177 SH   SOLE 0 85,177 0 0
CINCINNATI BELL INC NEW PFD CV DEP1/20 171871403 753 15,250 SH   SOLE 0 15,250 0 0
CITIGROUP INC COM NEW 172967424 20,132 300,833 SH   SOLE 0 300,833 0 0
CITY OFFICE REIT INC COM 178587101 2,017 157,180 SH   SOLE 0 157,180 0 0
COLONY CAP INC NEW CL A COM 19626G108 3,099 496,584 SH   SOLE 0 496,584 0 0
COPART INC COM 217204106 9,899 175,010 SH   SOLE 0 175,010 0 0
CROWN CASTLE INTL CORP NEW COM 22822V101 454 4,210 SH   SOLE 0 4,210 0 0
CROWN HOLDINGS INC COM 228368106 20,439 456,630 SH   SOLE 0 456,630 0 0
CYTOSORBENTS CORP COM NEW 23283X206 354 31,070 SH   SOLE 0 31,070 0 0
DENNYS CORP COM 24869P104 68,315 4,288,462 SH   SOLE 0 4,288,462 0 0
DINE BRANDS GLOBAL INC COM 254423106 1,897 25,355 SH   SOLE 0 25,355 0 0
DOLLAR TREE INC COM 256746108 44,773 526,743 SH   SOLE 0 526,743 0 0
ENERGY RECOVERY INC COM 29270J100 2,513 311,050 SH   SOLE 0 311,050 0 0
ENERGY TRANSFER EQUITY LP COM UT LTD PTN 29273V100 3,967 229,982 SH   SOLE 0 229,982 0 0
ENERGY TRANSFER PARTNERS LP UNIT LTD PRT INT 29278N103 3,733 196,036 SH   SOLE 0 196,036 0 0
ENTERPRISE PRODS PARTNERS LP COM 293792107 4,884 176,502 SH   SOLE 0 176,502 0 0
ENVIVA PARTNERS LP COM UNIT 29414J107 2,532 87,012 SH   SOLE 0 87,012 0 0
EQUINIX COM NEW 29444U700 1,424 3,313 SH   SOLE 0 3,313 0 0
EXXON MOBIL CORP COM 30231G102 299 3,620 SH   SOLE 0 3,620 0 0
FAUQUIER BANKSHARES INC VA COM 312059108 339 16,000 SH   SOLE 0 16,000 0 0
FIVE BELOW INC COM 33829M101 11,563 118,344 SH   SOLE 0 118,344 0 0
GENERAL ELECTRIC CO COM 369604103 178 13,050 SH   SOLE 0 13,050 0 0
GLADSTONE COML CORP COM 376536108 1,982 103,124 SH   SOLE 0 103,124 0 0
SCHEIN HENRY INC COM 806407102 20,387 280,655 SH   SOLE 0 280,655 0 0
INTERNAP CORP COM PAR 45885A409 11,574 1,110,796 SH   SOLE 0 1,110,796 0 0
KINDER MORGAN INC COM 49456B101 15,333 867,759 SH   SOLE 0 867,759 0 0
LAMAR ADVERTISING CO NEW CL A 512816109 619 9,060 SH   SOLE 0 9,060 0 0
LANDMARK INFRASTRUCTURE LP COM UNIT LTD 51508J108 1,488 107,412 SH   SOLE 0 107,412 0 0
MACQUARIE INFRASTR CO LLC MEMBERSHIP INT 55608B105 8,078 191,424 SH   SOLE 0 191,424 0 0
MARKEL CORP COM 570535104 72,729 67,071 SH   SOLE 0 67,071 0 0
MASTERCARD INC CL A 57636Q104 4,671 23,769 SH   SOLE 0 23,769 0 0
MICROSOFT CORP COM 594918104 62,128 630,038 SH   SOLE 0 630,038 0 0
MPLX LP COM UNIT REP LTD 55336V100 8,821 258,377 SH   SOLE 0 258,377 0 0
OPTIMIZERX CORP COM NEW 68401U204 701 67,400 SH   SOLE 0 67,400 0 0
O REILLY AUTOMOTIVE INC NEW COM 67103H107 21,199 77,489 SH   SOLE 0 77,489 0 0
PACIRA PHARMACEUTICALS INC COM 695127100 644 20,080 SH   SOLE 0 20,080 0 0
PATTERN ENERGY GROUP INC CL A 70338P100 1,734 92,498 SH   SOLE 0 92,498 0 0
PIONEER NAT RES CO COM 723787107 54,775 289,447 SH   SOLE 0 289,447 0 0
SBA COMMUNICATIONS CORP COM 78410G104 1,121 6,788 SH   SOLE 0 6,788 0 0
SIX FLAGS ENTMT CORP NEW COM 83001A102 613 8,745 SH   SOLE 0 8,745 0 0
SPDR GOLD TRUST GOLD SHS 78463V107 352 2,969 SH   SOLE 0 2,969 0 0
SPROTT PHYSICAL GOLD TRUST UNIT 85207H104 396 38,860 SH   SOLE 0 38,860 0 0
STARWOOD PPTY TR INC COM 85571B105 1,483 68,316 SH   SOLE 0 68,316 0 0
TRUPANION INC COM 898202106 11,964 309,954 SH   SOLE 0 309,954 0 0
TWENTY FIRST CENTY FOX INC CL A 90130A101 624 12,556 SH   SOLE 0 12,556 0 0
UNIVERSAL DISPLAY CORP COM 91347P105 22,666 263,562 SH   SOLE 0 263,562 0 0
VISA INC COM CL A 92826C839 4,258 32,147 SH   SOLE 0 32,147 0 0
WELLS FARGO & CO NEW COM 949746101 2,085 37,604 SH   SOLE 0 37,604 0 0
ZAYO GROUP HLDGS INC COM 98919V105 42,424 1,162,938 SH   SOLE 0 1,162,938 0 0