13F-HR 1 a13f2q10.txt UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 13F FORM 13F COVER PAGE Report for the Calendar Year or Quarter Ended: June 30, 2010 Check here if Amendment [ ]; Amendment Number: This Amendment (Check only one.): [ ] is a restatement. [ ] adds new holdings entries. Institutional Investment Manager Filing this Report: Name: Avenir Corporation Address: 1919 Pennsylvania Ave NW 4th Floor Washington, D.C. 20006 13F File Number: 28-6032 The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists, and tables, are considered integral parts of this form. Person Signing this Report on Behalf of Reporting Manager: Name: Charles G. Mackall Title: Chairman Phone: (202) 659-4427 Signature, Place, and Date of Signing: Charles G. Mackall, Jr. Washington, D.C. August 13, 2010 [Signature] [City, State] [Date] Report Type (Check only one.): [ x] 13F HOLDINGS REPORT. [ ] 13F NOTICE. [ ] 13F COMBINATION REPORT. List of Other Managers Reporting for this Manager: I AM SIGNING THIS REPORT AS REQUIRED BY THE SECURITIES EXCHANGE ACT OF 1934. FORM 13F SUMMARY PAGE Report Summary: Number of Other Included Managers: 0 Form 13F Information Table Entry Total: 72 Form 13F Information Table Value Total: $594,753 List of Other Included Managers: FORM 13F INFORMATION TABLE VALUE SHARES/ SH/ PUT/ INVSTMT OTHER VOTING AUTHORITY NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DSCRETN MANAGERS SOLE SHARED NONE ACCURAY INC COM 004397105 204 30800 SH SOLE 0 30800 0 0 ACORN ENERGY INC COM 004848107 206 39500 SH SOLE 0 39500 0 0 AES CORP COM 00130H105 65926 7134839 SH SOLE 0 7134839 0 0 AES TR III PFD CV 6.75% 00808N202 4940 113965 SH SOLE 0 113965 0 0 AMERICAN TOWER CORP CL A 029912201 87307 1961966 SH SOLE 0 1961966 0 0 ANTARES PHARMA INC COM 036642106 18 10000 SH SOLE 0 10000 0 0 B O K FINL CORP COM NEW 05561Q201 12873 271181 SH SOLE 0 271181 0 0 BANK OF NEW YORK MELLON CORP COM 064058100 430 17400 SH SOLE 0 17400 0 0 BERKSHIRE HATHAWAY INC DEL CL A 084670108 4080 34 SH SOLE 0 34 0 0 BERKSHIRE HATHAWAY INC DEL CL B 084670207 8100 101643 SH SOLE 0 101643 0 0 BROOKFIELD INFRAST PARTNERS LP INT UNIT G16252101 659 41520 SH SOLE 0 41520 0 0 CAPITAL ONE FINL CORP COM 14040H105 245 6085 SH SOLE 0 6085 0 0 CARDINAL FINL CORP COM 14149F109 138 14900 SH SOLE 0 14900 0 0 CARMAX INC COM 143130102 32247 1620453 SH SOLE 0 1620453 0 0 CATALYST HEALTH SOLUTIONS INC COM 14888B103 3088 89515 SH SOLE 0 89515 0 0 CHIMERA INVT CORP COM 16934Q109 3413 945440 SH SOLE 0 945440 0 0 CINCINNATI BELL INC NEW PFD CV DEP1/20 171871403 819 21575 SH SOLE 0 21575 0 0 CITIGROUP COM 172967101 84 22250 SH SOLE 0 22250 0 0 CLEAR CHANNEL OUTDOOR HLDGS CL A 18451C109 12966 1493796 SH SOLE 0 1493796 0 0 COMCAST CORP NEW CL A 20030N101 256 14766 SH SOLE 0 14766 0 0 COMCAST CORP NEW CL A SPL 20030N200 798 48577 SH SOLE 0 48577 0 0 CONOCOPHILLIPS COM 20825C104 855 17414 SH SOLE 0 17414 0 0 CONSTELLATION ENERGY PRTNR L COM UNIT LLC B 21038E101 32 10000 SH SOLE 0 10000 0 0 CROWN HOLDINGS INC COM 228368106 34187 1365312 SH SOLE 0 1365312 0 0 DCP MIDSTREAM PARTNERS LP COM UT LTD PTN 23311P100 4019 125819 SH SOLE 0 125819 0 0 DIRECTTV GROUP INC COM 25459L106 8747 257876 SH SOLE 0 257876 0 0 DISCOVERY COMMUNICATIONS NEW COM SER A 25470F104 461 12915 SH SOLE 0 12915 0 0 DISCOVERY COMMUNICATIONS NEW COM SER C 25470F302 20319 656940 SH SOLE 0 656940 0 0 DUNCAN ENERGY PARTNERS LP COM UNITS 265026104 240 9000 SH SOLE 0 9000 0 0 ECHOSTAR CORP CL A 278768106 268 14045 SH SOLE 0 14045 0 0 ENERGY TRANSFER EQUITY LP COM UT LTD PTN 29273V100 3784 112125 SH SOLE 0 112125 0 0 ENTERPRISE GP HOLDINGS UNIT LP INT 293716106 3135 66100 SH SOLE 0 66100 0 0 ENTERPRISE PRODUCTS PPTNS LP COM 293792107 1818 51413 SH SOLE 0 51413 0 0 EXXON MOBIL CORP COM 30231G102 332 5825 SH SOLE 0 5825 0 0 FAUQUIER BANKSHARES INC VA COM 312059108 244 16000 SH SOLE 0 16000 0 0 FPIC INS GROUP INC COM 302563101 6334 246924 SH SOLE 0 246924 0 0 FRONTIER COMMUNICATIONS CORP COM 35906A108 2982 419430 SH SOLE 0 419430 0 0 GENERAL ELECTRIC CO COM 369604103 182 12650 SH SOLE 0 12650 0 0 GLADSTONE COML CORP COM 376536108 8731 534307 SH SOLE 0 534307 0 0 GOLAR LNG LTD BERMUDA SHS G9456A100 3055 309560 SH SOLE 0 309560 0 0 IRIDIUM COMMUNICATIONS INC COM 46269C102 113 11300 SH SOLE 0 11300 0 0 KINDER MORGAN ENERGY PARTNERS UT LTD PARTNER 494550106 904 13900 SH SOLE 0 13900 0 0 LAMAR ADVERTISING CO CL A 512815101 7510 306281 SH SOLE 0 306281 0 0 LEUCADIA NATL CORP COM 527288104 714 36580 SH SOLE 0 36580 0 0 LEXINGTON REALTY TRUST COM 529043101 244 40669 SH SOLE 0 40669 0 0 MARKEL CORP COM 570535104 33791 99385 SH SOLE 0 99385 0 0 MARKWEST ENERGY PARTNERS LP UNIT LTD PARTN 570759100 10404 317965 SH SOLE 0 317965 0 0 MICROS SYS INC COM 594901100 28375 890344 SH SOLE 0 890344 0 0 MILLICOM INTL CELLULAR S A SHS NEW L6388F110 34120 420876 SH SOLE 0 420876 0 0 NEWS CORP CL A 65248E104 150 12556 SH SOLE 0 12556 0 0 NII HLDGS INC CL B NEW 62913F201 1119 34400 SH SOLE 0 34400 0 0 OCCIDENTAL PETE CORP DEL COM 674599105 849 11000 SH SOLE 0 11000 0 0 PENN NATL GAMING INC COM 707569109 1982 85808 SH SOLE 0 85808 0 0 PENN VA CORP COM 707882106 684 34000 SH SOLE 0 34000 0 0 PENN VA GP HLDGS LP COM UNIT R LIM 70788P105 10380 569695 SH SOLE 0 569695 0 0 PIONEER NAT RES CO COM 723787107 47430 797810 SH SOLE 0 797810 0 0 PIONEER SOUTHWST ENRG PRTNR UNIT LP INT 72388B106 7586 306520 SH SOLE 0 306520 0 0 POOL CORPORATION COM 73278L105 20815 949603 SH SOLE 0 949603 0 0 POZEN INC COM 73941U102 11023 1572452 SH SOLE 0 1572452 0 0 PROCTER & GAMBLE CO COM 742718109 249 4150 SH SOLE 0 4150 0 0 PROSHARES TR PSHS ULTSH 20YRS 74347R297 497 14000 SH SOLE 0 14000 0 0 REDDY ICE HLDGS INC COM 75734R105 5867 1816435 SH SOLE 0 1816435 0 0 SAGA COMMUNICATIONS CL A 786598102 283 11868 SH SOLE 0 11868 0 0 SAUL CTRS INC COM 804395101 817 20100 SH SOLE 0 20100 0 0 SIRIUS XM RADIO INC COM 82967N108 1168 1230107 SH SOLE 0 1230107 0 0 TEEKAY OFFSHORE PARTNERS LP PARTNERSHIP UN Y8565J101 2345 106820 SH SOLE 0 106820 0 0 TIGERLOGIC CORPORATION COM 8867EQ101 1300 291559 SH SOLE 0 291559 0 0 UBS AG SHS NEW H89231338 145 10960 SH SOLE 0 10960 0 0 UNITED BANKSHARES INC WEST V COM 909907107 452 18880 SH SOLE 0 18880 0 0 UNIVERSAL DISPLAY CORP COM 91347P105 17589 978247 SH SOLE 0 978247 0 0 WELLS FARGO & CO NEW COM 949746101 6983 272762 SH SOLE 0 272762 0 0 WESCO FINL CORP COM 950817106 343 1060 SH SOLE 0 1060 0 0