Avenir Corp reported 73 positions worth $817.69M for the quarter ended Jun 30, 2026, down 0.2% on the prior quarter. It opened 5 new positions, added to 9, trimmed 29 and exited 3. Its largest holding is Microsoft Corp at 10.9% of the portfolio.
Reported 13F market value at each quarter end. A change mixes trading with price moves in the positions held.
Dollar value of shares bought and sold each quarter, at that quarter’s price. It counts trading only, not price changes.
How many positions were opened, added to, trimmed or closed each quarter.
Share of reported value in each sector at every quarter end.
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| WAY Waystar Holding Corp. | +171.5K | +17.6% | $3.52M | 2.87% |
| ADBE Adobe Inc. | +8,943 | +7.1% | $1.83M | 3.4% |
| DLTR Dollar Tree, Inc. | +5,160 | +180.4% | $624.10K | 0.119% |
| DPZ Dominos Pizza Inc | +1,561 | – | $462.12K | 0.057% |
| DELL Dell Technologies Inc. | +704 | – | $303.75K | 0.037% |
| CAT Caterpillar Inc | +250 | – | $266.23K | 0.033% |
| SIRI Sirius Xm Holdings Inc. | +7,000 | – | $206.78K | 0.025% |
| JNJ Johnson & Johnson | +805 | – | $204.34K | 0.025% |
| GOOG Alphabet Inc. | +205 | +1.9% | $72.44K | 0.474% |
| ATOM Atomera Inc | +7,245 | +0.5% | $63.10K | 1.56% |
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| AAPL Apple Inc. | -13.7K | -6.0% | $3.97M | 7.61% |
| AMZN Amazon Com Inc | -14.7K | -3.9% | $3.50M | 10.51% |
| MKL Markel Group Inc. | -1,618 | -3.5% | $3.16M | 10.56% |
| ORLY O Reilly Automotive Inc | -18.5K | -2.5% | $1.71M | 8.23% |
| MSFT Microsoft Corp | -4,508 | -1.8% | $1.68M | 10.93% |
| AMT American Tower Corp | -8,236 | -2.0% | $1.35M | 8.14% |
| ERII Energy Recovery, Inc. | -123.9K | -15.1% | $1.12M | 0.765% |
| BRK-B Berkshire Hathaway Inc | -1,826 | -1.7% | $913.71K | 6.56% |
| CPRT Copart Inc | -27.9K | -2.5% | $785.88K | 3.73% |
| MA Mastercard Inc | -1,297 | -2.0% | $666.14K | 4.01% |
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | MSFT Microsoft Corp | Technology | 239.6K | $89.38M | 10.93% | -4,508 | -1.8% | Reduced | 0% |
| 2 | MKL Markel Group Inc. | Financial Services | 44.2K | $86.35M | 10.56% | -1,618 | -3.5% | Reduced | 0.35% |
| 3 | AMZN Amazon Com Inc | Consumer Discretionary | 360.6K | $85.94M | 10.51% | -14.7K | -3.9% | Reduced | 0% |
| 4 | ORLY O Reilly Automotive Inc | Consumer Discretionary | 731.2K | $67.33M | 8.23% | -18.5K | -2.5% | Reduced | 0.09% |
| 5 | AMT American Tower Corp | Real Estate | 407.1K | $66.59M | 8.14% | -8,236 | -2.0% | Reduced | 0.09% |
| 6 | AAPL Apple Inc. | Technology | 215.2K | $62.26M | 7.61% | -13.7K | -6.0% | Reduced | 0% |
| 7 | BRK-B Berkshire Hathaway Inc | Financial Services | 107.1K | $53.60M | 6.56% | -1,826 | -1.7% | Reduced | 0.01% |
| 8 | MA Mastercard Inc | Financial Services | 63.8K | $32.75M | 4.01% | -1,297 | -2.0% | Reduced | 0.01% |
| 9 | CPRT Copart Inc | Industrials | 1.08M | $30.48M | 3.73% | -27.9K | -2.5% | Reduced | 0.12% |
| 10 | ADBE Adobe Inc. | Technology | 135.6K | $27.80M | 3.4% | +8,943 | +7.1% | Added | 0.03% |
| 11 | WAY Waystar Holding Corp. | Technology | 1.14M | $23.50M | 2.87% | +171.5K | +17.6% | Added | 0.6% |
| 12 | OLED Universal Display Corp \Pa\ | Technology | 228.0K | $19.74M | 2.41% | -2,138 | -0.9% | Reduced | 0.49% |
| 13 | BOKF Bok Financial Corp | Financial Services | 124.0K | $17.22M | 2.11% | -940 | -0.8% | Reduced | 0.2% |
| 14 | AMTM Amentum Holdings, Inc. | Industrials | 811.7K | $16.78M | 2.05% | -29.4K | -3.5% | Reduced | 0.33% |
| 15 | LMT Lockheed Martin Corp | Industrials | 31.4K | $15.98M | 1.95% | -577 | -1.8% | Reduced | 0.01% |
Tip. Select a row to see that position’s full history at Avenir.
As of its Q2 2026 13F filing, Avenir Corp’s five largest positions were Microsoft Corp (MSFT) at 10.9%, Markel Group Inc. (MKL) at 10.6%, Amazon Com Inc (AMZN) at 10.5%, O Reilly Automotive Inc (ORLY) at 8.2%, American Tower Corp (AMT) at 8.1% of the reported portfolio.
Avenir Corp reported a 13F portfolio worth $817.69M across 73 positions for Q2 2026. That is down 0.2% from the previous quarter.
Its largest purchases by value were Waystar Holding Corp. ($3.52M), Adobe Inc. ($1.83M), Dollar Tree, Inc. ($624.10K). It opened 5 new positions.
Its largest sales by value were Apple Inc. ($3.97M), Amazon Com Inc ($3.50M), Markel Group Inc. ($3.16M). It exited 3 positions entirely.
From the Form 13F-HR reports Avenir Corp files with the SEC each quarter, within 45 days of quarter end. A 13F lists long positions in US-listed equities and options; it excludes short positions, cash, bonds and most non-US holdings.
13F data reflects long positions in US-listed equities and options as reported to the SEC up to 45 days after quarter end. It excludes short positions, cash, bonds and most non-US securities, so it is not a complete picture of a manager’s assets.