Institutional Manager · CIK 0001033475
AVENIR CORP
ALEXANDRIA, VA · File #028-06032
Latest AUM
$921.7M
Positions
71
Top-10 Concentration
75.0%
Filings
12
Sector Allocation
Filing History
View all filings →- 13F HOLDINGS REPORTQ/E Dec 202571 pos · $921.7M
- 13F HOLDINGS REPORTQ/E Sep 202573 pos · $960.1M
- 13F HOLDINGS REPORTQ/E Jun 202574 pos · $972.9M
- 13F HOLDINGS REPORTQ/E Mar 202569 pos · $943.6M
- 13F HOLDINGS REPORTQ/E Dec 202469 pos · $976.8M
- 13F HOLDINGS REPORTQ/E Sep 202466 pos · $986.3M
- 13F HOLDINGS REPORTQ/E Jun 202467 pos · $1.03B
- 13F HOLDINGS REPORTQ/E Mar 202466 pos · $1.17B
- 13F HOLDINGS REPORTQ/E Dec 202359 pos · $1.07B
- 13F HOLDINGS REPORTQ/E Sep 202360 pos · $1.14B
- 13F HOLDINGS REPORTQ/E Jun 202361 pos · $1.06B
- 13F HOLDINGS REPORTQ/E Mar 202363 pos · $997.4M
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | MICROSOFT CORP | MSFT | 245,425 | $118.7M | 12.97% |
| 2 | MARKEL GROUP INC | MKL | 46,372 | $99.7M | 10.90% |
| 3 | AMAZON COM INC | AMZN | 378,735 | $87.4M | 9.56% |
| 4 | AMERICAN TOWER CORP NEW | 03027X100 | 417,712 | $73.3M | 8.02% |
| 5 | OREILLY AUTOMOTIVE INC | 67103H107 | 757,632 | $69.1M | 7.55% |
| 6 | APPLE INC | AAPL | 230,558 | $62.7M | 6.85% |
| 7 | BERKSHIRE HATHAWAY INC DEL | BRK-A | 109,748 | $55.2M | 6.03% |
| 8 | COPART INC | CPRT | 1,116,292 | $43.7M | 4.78% |
| 9 | ADOBE INC | ADBE | 114,324 | $40.0M | 4.37% |
| 10 | MASTERCARD INCORPORATED | MA | 63,087 | $36.0M | 3.94% |
| 11 | LOCKHEED MARTIN CORP | LMT | 64,336 | $31.1M | 3.40% |
| 12 | UNIVERSAL DISPLAY CORP | OLED | 230,181 | $26.9M | 2.94% |
| 13 | AMENTUM HOLDINGS INC | AMTM | 850,944 | $24.7M | 2.70% |
| 14 | WAYSTAR HLDG CORP | WAY | 746,467 | $24.4M | 2.67% |
| 15 | BOK FINL CORP | 05561Q201 | 124,997 | $14.8M | 1.62% |
| 16 | VISA INC | V | 41,492 | $14.6M | 1.59% |
| 17 | ENERGY RECOVERY INC | ERII | 969,580 | $13.1M | 1.43% |
| 18 | SBA COMMUNICATIONS CORP NEW | SBAC | 62,909 | $12.2M | 1.33% |
| 19 | MPLX LP | MPLXP | 186,892 | $10.0M | 1.09% |
| 20 | ENERGY TRANSFER LP | ET-PI | 451,327 | $7.4M | 0.81% |