Name,Ticker,Title of class,Class,Change,CUSIP,Value,Shares or principal amount,Weighting AMERICAN TOWER CORP,AMT,cl a,Sell,03027X100,127241000.0,592646.0,13.491 MICROSOFT CORP,MSFT,,Sell,594918104,116321000.0,499446.0,12.333 MARKEL CORP,MKL,,Buy,570535104,89716000.0,82747.0,9.512 O REILLY AUTOMOTIVE INC NEW,ORLY,,Sell,67103H107,60274000.0,85695.0,6.39 AMAZON COM INC,AMZN,,Buy,023135106,52280000.0,462654.0,5.543 APPLE INC,AAPL,,Buy,037833100,45585000.0,329846.0,4.833 COPART INC,CPRT,,Buy,217204106,43289000.0,406856.0,4.59 DIGITALBRIDGE GROUP INC,DBRG,,Sell,25401T108,42724000.0,3415205.0,4.53 BERKSHIRE HATHAWAY INC DEL,BRKB,cl b,Buy,084670702,41455000.0,155252.0,4.395 LOCKHEED MARTIN CORP,LMT,,Buy,539830109,41133000.0,106483.0,4.361 AES CORP,AES,,Sell,00130H105,40997000.0,1814045.0,4.347 ENERGY RECOVERY INC,ERII,,Sell,29270J100,37418000.0,1721164.0,3.967 CARMAX INC,KMX,,Sell,143130102,26757000.0,405283.0,2.837 MASTERCARD INC,MA,cl a,Buy,57636Q104,26318000.0,92557.0,2.79 BANK AMER CORP,BAC,,Sell,060505104,24013000.0,795126.0,2.546 UNIVERSAL DISPLAY CORP,OLED,,Buy,91347P105,22019000.0,233371.0,2.335 WALGREENS BOOTS ALLIANCE INC,WBA,,Buy,931427108,15182000.0,483508.0,1.61 VISA INC,V,,Sell,92826C839,14050000.0,79086.0,1.49 B O K FINL CORP,BOKF,, ,05561Q201,11740000.0,132120.0,1.245 MPLX LP,MPLX,,Sell,55336V100,6778000.0,225844.0,0.719 BROOKFIELD INFRAST PARTNERS,BIP,lp int unit, ,G16252101,6597000.0,183751.0,0.699 OPTIMIZERX CORP,OPRX,,Sell,68401U204,6244000.0,421296.0,0.662 ENERGY TRANSFER LP,ET,, ,29273V100,4989000.0,452300.0,0.529 DUCK CREEK TECHNOLOGIES INC,DCT,,Sell,264120106,4594000.0,387695.0,0.487 CYTOSORBENTS CORP,CTSO,,Buy,23283X206,3148000.0,2314854.0,0.334 ENTERPRISE PRODS PARTNERS LP,EPD,, ,293792107,3011000.0,126608.0,0.319 ATOMERA INC,ATOM,, ,04965B100,2715000.0,267981.0,0.288 KINDER MORGAN INC,KMI,, ,49456B101,2614000.0,157105.0,0.277 BERKSHIRE HATHAWAY INC DEL,BRKA,cl a, ,084670108,2439000.0,6.0,0.259 SBA COMMUNICATIONS CORP,SBAC,,Sell,78410G104,2157000.0,7576.0,0.229 DOLLAR TREE INC,DLTR,,Sell,256746108,1859000.0,13656.0,0.197 EQUINIX,EQIX,, ,29444U700,1690000.0,2971.0,0.179 GLADSTONE COML CORP,GOOD,, ,376536108,1433000.0,92435.0,0.152 BRIGHTSPIRE CAPITAL INC,BRSP,,Buy,10949T109,1340000.0,212350.0,0.142 STARWOOD PPTY TR INC,STWD,, ,85571B105,1261000.0,69195.0,0.134 ALPHABET INC,GOOG,cap stk cl c,New,02079K107,1061000.0,11040.0,0.112 AMERICAN INTL GROUP INC,AIG,, ,026874784,1017000.0,21411.0,0.108 NOVAVAX INC,NVAX,, ,670002401,903000.0,49614.0,0.096 NEWTEK BUSINESS CVCS CORP,NEWT,, ,652526203,767000.0,47000.0,0.081 EXXON MOBIL CORP,XOM,, ,30231G102,742000.0,8496.0,0.079 VANGUARD INDEX FDS,VOO,, ,922908363,651000.0,1983.0,0.069 LUNA INNOVATIONS,LUNA,,Buy,550351100,641000.0,144410.0,0.068 DISNEY WALT CO,DIS,,Buy,254687106,602000.0,6377.0,0.064 PRIVIA HEALTH GROUP INC,PRVA,, ,74276R102,596000.0,17500.0,0.063 BROOKFIELD ASSET MGMT INC,BAM,cl a ltd vt sh, ,112585104,511000.0,12500.0,0.054 SPROTT PHYSICAL GOLD TRUST,PHYS,unit, ,85207H104,497000.0,38860.0,0.053 SPDR GOLD TRUST,GLD,, ,78463V107,448000.0,2894.0,0.047 VIRGINIA NATL BANKSHARES CORP,VABK,, ,928031103,350000.0,10800.0,0.037 CITY OFFICE REIT INC,CIO,, ,178587101,327000.0,32805.0,0.035 TRIPLEPOINT VENTURE GROWTH B,TPVG,, ,89677Y100,315000.0,29000.0,0.033 JPMORGAN CHASE & CO,JPM,, ,46625H100,306000.0,2924.0,0.032 DENNYS CORP,DENN,, ,24869P104,291000.0,30940.0,0.031 L3HARRIS TECHNOLOGIES INC,LHX,,Buy,502431109,283000.0,1362.0,0.03 PROCTER AND GAMBLE CO,PG,, ,742718109,280000.0,2221.0,0.03 COSTCO WHSL CORP NEW,COST,, ,22160K105,260000.0,550.0,0.028 KRAFT HEINZ CO,KHC,, ,500754106,264000.0,7925.0,0.028 ADAPTIVE BIOTECHNOLOGIES COR,ADPT,,Sell,00650F109,218000.0,30650.0,0.023 MAGNITE INC,MGNI,,Buy,55955D100,210000.0,32000.0,0.022 WALMART INC,WMT,,New,931142103,208000.0,1607.0,0.022 SRAX INC,SRAX,cl a, ,78472M106,59000.0,34400.0,0.006 MOODY'S CORP,MCO,,Exit,615369105,0.0,-749.0,-0.019 CROWN CASTLE INTL CORP NEW,CCI,,Exit,22822V101,0.0,-1210.0,-0.019 PFIZER INC,PFE,,Exit,717081103,0.0,-4071.0,-0.02 ABBVIE INC,ABBV,,Exit,00287Y109,0.0,-1462.0,-0.021 ADOBE SYSTEMS INCORPORATED,ADBE,,Exit,00724F101,0.0,-12290.0,-0.43