AVENIR CORP — 13F Holdings & Portfolio
CIK 1033475 · latest 13F-HR filed 2026-08-13
AVENIR CORP manages $820.7M in 13F-reported U.S. long-equity assets across 79 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are MSFT (10.89%), MKL (10.52%), AMZN (10.47%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 10 new positions, exited 3, added to 28, and trimmed 21.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
SUITE 350
ALEXANDRIA, VA 22314
$820.7M
Long-equity book
79
Distinct positions
2026-06-30
Filed 2026-08-13
+10 / −3 / ↑28 / ↓21
vs 2026-03-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- AMAZON COM INC$7.8M +10.0%
- ATOMERA INC$7.2M +129.7%
- APPLE INC$4.2M +7.2%
- VISA INC$1.4M +11.1%
- MOLINA HEALTHCARE INC$1.3M +66.8%
Top Trims
- COPART INC-$6.3M -17.2%
- AMENTUM HOLDINGS INC-$5.2M -23.5%
- AMERICAN TOWER CORP NEW-$5.1M -7.1%
- LOCKHEED MARTIN CORP-$3.3M -17.2%
- ADOBE INC-$3.0M -9.7%
New Positions
- VANGUARD INTL EQUITY INDEX F$551.4K
- DOMINOS PIZZA INC$462.1K
- ISHARES TR$404.2K
- ISHARES TR$326.5K
- DELL TECHNOLOGIES INC$303.7K
Exited Positions
- PACCAR INC$259.9K
- BURKE HERBERT FINL SVCS CORP$249.2K
- LULULEMON ATHLETICA INC$229.7K
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | MICROSOFT CORP | MSFT | 594918104 | $89.4M | 10.89% | 239,602 | SH |
| 2 | MARKEL GROUP INC | MKL | 570535104 | $86.4M | 10.52% | 44,214 | SH |
| 3 | AMAZON COM INC | AMZN | 023135106 | $85.9M | 10.47% | 360,572 | SH |
| 4 | OREILLY AUTOMOTIVE INC | ORLY | 67103H107 | $67.3M | 8.20% | 731,153 | SH |
| 5 | AMERICAN TOWER CORP NEW | AMT | 03027X100 | $66.6M | 8.11% | 407,116 | SH |
| 6 | APPLE INC | AAPL | 037833100 | $62.3M | 7.59% | 215,158 | SH |
| 7 | BERKSHIRE HATHAWAY INC DEL | BRK.B | 084670702 | $53.6M | 6.53% | 107,115 | SH |
| 8 | MASTERCARD INCORPORATED | MA | 57636Q104 | $32.8M | 3.99% | 63,770 | SH |
| 9 | COPART INC | CPRT | 217204106 | $30.5M | 3.71% | 1,081,123 | SH |
| 10 | ADOBE INC | ADBE | 00724F101 | $27.8M | 3.39% | 135,581 | SH |
| 11 | WAYSTAR HLDG CORP | WAY | 946784105 | $23.5M | 2.86% | 1,144,717 | SH |
| 12 | UNIVERSAL DISPLAY CORP | OLED | 91347P105 | $19.7M | 2.41% | 228,014 | SH |
| 13 | BOK FINL CORP | BOKF | 05561Q201 | $17.2M | 2.10% | 124,017 | SH |
| 14 | AMENTUM HOLDINGS INC | AMTM | 023939101 | $16.8M | 2.04% | 811,726 | SH |
| 15 | LOCKHEED MARTIN CORP | LMT | 539830109 | $16.0M | 1.95% | 31,375 | SH |
| 16 | VISA INC | V | 92826C839 | $13.8M | 1.68% | 40,207 | SH |
| 17 | ATOMERA INC | ATOM | 04965B100 | $12.8M | 1.56% | 1,468,660 | SH |
| 18 | SBA COMMUNICATIONS CORP NEW | SBAC | 78410G104 | $10.9M | 1.33% | 61,979 | SH |
| 19 | MPLX LP | MPLX | 55336V100 | $10.4M | 1.27% | 185,366 | SH |
| 20 | ENERGY TRANSFER LP | ET | 29273V100 | $8.6M | 1.05% | 450,367 | SH |
| 21 | ENERGY RECOVERY INC | ERII | 29270J100 | $6.3M | 0.76% | 693,886 | SH |
| 22 | KINDER MORGAN INC DEL | KMI | 49456B101 | $4.6M | 0.57% | 145,135 | SH |
| 23 | ENTERPRISE PRODS PARTNERS LP | EPD | 293792107 | $4.6M | 0.56% | 125,478 | SH |
| 24 | BERKSHIRE HATHAWAY INC DEL | BRK.A | 084670108 | $4.5M | 0.55% | 6 | SH |
| 25 | ALPHABET INC | GOOG | 02079K107 | $3.9M | 0.47% | 10,975 | SH |
| 26 | MOLINA HEALTHCARE INC | MOH | 60855R100 | $3.3M | 0.40% | 14,356 | SH |
| 27 | EQUINIX INC | EQIX | 29444U700 | $2.9M | 0.35% | 2,741 | SH |
| 28 | COHERENT CORP | COHR | 19247G107 | $2.2M | 0.27% | 5,681 | SH |
| 29 | STARWOOD PPTY TR INC | STWD | 85571B105 | $2.2M | 0.27% | 134,478 | SH |
| 30 | AXOS FINANCIAL INC. | AX | 05465C100 | $2.0M | 0.25% | 20,790 | SH |
| 31 | CYTOSORBENTS CORP | CTSO | 23283X206 | $1.9M | 0.24% | 5,189,218 | SH |
| 32 | SPROTT PHYSICAL GOLD TRUST | PHYS | 85207H104 | $1.8M | 0.22% | 60,310 | SH |
| 33 | ADAPTIVE BIOTECHNOLOGIES COR | ADPT | 00650F109 | $1.6M | 0.20% | 74,865 | SH |
| 34 | INTEL CORP | INTC | 458140100 | $1.6M | 0.19% | 11,393 | SH |
| 35 | AMERICAN INTL GROUP INC | AIG | 026874784 | $1.5M | 0.18% | 20,180 | SH |
| 36 | BANK AMERICA CORP | BAC | 060505104 | $1.4M | 0.17% | 24,690 | SH |
| 37 | VANGUARD INDEX FDS | VOO | 922908363 | $1.3M | 0.16% | 1,930 | SH |
| 38 | BRIGHTSPIRE CAPITAL INC | BRSP | 10949T109 | $1.2M | 0.15% | 221,900 | SH |
| 39 | EXXON MOBIL CORP | XOM | 30231G102 | $1.1M | 0.14% | 8,345 | SH |
| 40 | LAMAR ADVERTISING CO NEW | LAMR | 512816109 | $1.1M | 0.13% | 6,780 | SH |
| 41 | BLACK STONE MINERALS LP | BSM | 09225M101 | $1.0M | 0.13% | 73,900 | SH |
| 42 | DOLLAR TREE INC | DLTR | 256746108 | $970.0K | 0.12% | 8,020 | SH |
| 43 | BROOKFIELD CORP | BN | 11271J107 | $958.3K | 0.12% | 22,500 | SH |
| 44 | PRIVIA HEALTH GROUP INC | PRVA | 74276R102 | $945.4K | 0.12% | 36,745 | SH |
| 45 | BROOKFIELD INFRAST PARTNERS | BIP | G16252101 | $841.9K | 0.10% | 23,071 | SH |
| 46 | SPDR GOLD TRUST | GLD | 78463V107 | $778.8K | 0.09% | 2,114 | SH |
| 47 | GLADSTONE COMMERCIAL CORP | GOOD | 376536108 | $773.4K | 0.09% | 62,878 | SH |
| 48 | NEWTEK BUSINESS SVCS CORP | NEWT | 652526203 | $604.2K | 0.07% | 40,800 | SH |
| 49 | ARISTA NETWORKS INC | ANET | 040413205 | $587.1K | 0.07% | 3,456 | SH |
| 50 | CARMAX INC | KMX | 143130102 | $582.8K | 0.07% | 11,020 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-06-30 | 2026-08-13 | $820.7M | 79 | 0001033475-26-000006 |
| 2026-03-31 | 2026-05-14 | $820.5M | 72 | 0001033475-26-000005 |
| 2025-12-31 | 2026-02-13 | $921.7M | 71 | 0001033475-26-000002 |
| 2025-09-30 | 2025-11-14 | $960.1M | 73 | 0001033475-25-000009 |