Avenir Corp holds a focused book of 79 reported positions worth $820.7M as of Q2 2026 (disclosed Aug 13, 2026, a ~44-day 13F lag). This quarter they opened Vanguard Tot World STK ETF and trimmed Microsoft Corp. Their largest long position is Microsoft Corp at 11% of the reported non-option book.
Top-heavy: focused book
Share of the disclosed book in its largest positions. A higher top-5 share means a more concentrated, higher-conviction portfolio.
100% mapped to company sectors
+4 sectors below the cut, 1% together
Direct operating-company sectors from our SIC-based security master. ETF/fund and unclassified holdings stay visible separately; this is not ETF look-through exposure.
Estimated $ traded · quarter-end prices (an exit at the prior quarter-end), no cost basis
Other tracked managers holding the same core names as Avenir Corp
| Manager / fund | Shared names | Their $ in those |
|---|---|---|
| Swiss Re Ltd | 33 / 79 | $1.0B |
| Mirae Asset Global Investments Co., Ltd. | 50 / 79 | $272.6B |
| Rockbridge Asset Management LLC | 16 / 79 | $134.1M |
| Emerald Advisors, LLC | 18 / 79 | $630.5M |
| Armstrong Henry H Associates Inc | 18 / 79 | $780.0M |
| Ardent Capital Management, Inc. | 11 / 79 | $178.9M |
| 9823 Capital, L.P. | 8 / 79 | $109.8M |
| Daniel Investment Group, Inc. | 12 / 79 | $124.1M |
Ranked by the share of each fund's own book sitting in the names it shares with Avenir Corp: only funds sharing at least a tenth of the book qualify. Index giants, bank custody books and market makers are excluded. They hold everything, so their overlap says nothing.
Bars show each position's share of the portfolio. Click a row for its position history.
| # | Security | Value | Shares | % Port | Last move | History |
|---|---|---|---|---|---|---|
| 1 | Microsoft Corp COM | $89.4M | 239.6K | 10.9% | ▼−1.8% Reduced · −5K sh | |
| 2 | Markel Group Inc COM | $86.4M | 44.2K | 10.5% | ▼−3.5% Reduced · −2K sh | |
| 3 | Amazon Com Inc COM | $85.9M | 360.6K | 10.5% | ▼−3.9% Reduced · −15K sh | |
| 4 | Oreilly Automotive Inc COM | $67.3M | 731.2K | 8.2% | ▼−2.5% Reduced · −19K sh | |
| 5 | American Tower Corp New CL A | $66.6M | 407.1K | 8.1% | ▼−2.0% Reduced · −8K sh | |
| 6 | Apple Inc COM | $62.3M | 215.2K | 7.6% | ▼−6.0% Reduced · −14K sh | |
| 7 | Berkshire Hathaway Inc Del CL B NEW | $53.6M | 107.1K | 6.5% | ▼−1.7% Reduced · −2K sh | |
| 8 | Mastercard Incorporated CL A | $32.8M | 63.8K | 4.0% | ▼−2.0% Reduced · −1K sh | |
| 9 | Copart Inc COM | $30.5M | 1.08M | 3.7% | ▼−2.5% Reduced · −28K sh | |
| 10 | Adobe Inc COM | $27.8M | 135.6K | 3.4% | ▲+7.1% Added · +9K sh | |
| 11 | Waystar Hldg Corp COM | $23.5M | 1.14M | 2.9% | ▲+18% Added · +171K sh | |
| 12 | Universal Display Corp COM | $19.7M | 228.0K | 2.4% | ▼−0.9% Reduced · −2K sh | |
| 13 | Bok Finl Corp COM NEW | $17.2M | 124.0K | 2.1% | ▼−0.8% Reduced · −940 sh | |
| 14 | Amentum Holdings Inc COM | $16.8M | 811.7K | 2.0% | ▼−3.5% Reduced · −29K sh | |
| 15 | Lockheed Martin Corp COM | $16.0M | 31.4K | 1.9% | ▼−1.8% Reduced · −577 sh | |
| 16 | Visa Inc COM CL A | $13.8M | 40.2K | 1.7% | ▼−2.1% Reduced · −868 sh | |
| 17 | Atomera Inc COM | $12.8M | 1.47M | 1.6% | ▲+0.5% Added · +7K sh | |
| 18 | Sba Communications Corp New CL A | $10.9M | 62.0K | 1.3% | ▲+0.4% Added · +232 sh | |
| 19 | MPLX LP COM UNIT REP LTD | $10.4M | 185.4K | 1.3% | ▼−0.8% Reduced · −2K sh | |
| 20 | Energy Transfer LP COM UT LTD PTN | $8.6M | 450.4K | 1.0% | ▼−0.2% Reduced · −960 sh | |
| 21 | Energy Recovery Inc COM | $6.3M | 693.9K | 0.8% | ▼−15% Reduced · −124K sh | |
| 22 | Kinder Morgan Inc Del COM | $4.6M | 145.1K | 0.6% | ▼~0% Reduced · −50 sh | |
| 23 | Enterprise Prods Partners LP COM | $4.6M | 125.5K | 0.6% | —Held | |
| 24 | Berkshire Hathaway Inc Del CL A | $4.5M | 6 | 0.5% | —Held | |
| 25 | Alphabet Inc CAP STK CL C | $3.9M | 11.0K | 0.5% | ▲+1.9% Added · +205 sh | |
| 26 | Molina Healthcare Inc COM | $3.3M | 14.4K | 0.4% | ▼−2.8% Reduced · −406 sh | |
| 27 | Equinix Inc COM | $2.9M | 2.7K | 0.3% | —Held | |
| 28 | Coherent Corp COM | $2.2M | 5.7K | 0.3% | ▼−7.0% Reduced · −429 sh | |
| 29 | Starwood Ppty TR Inc COM | $2.2M | 134.5K | 0.3% | ▼−1.3% Reduced · −2K sh | |
| 30 | Axos Financial Inc. COM | $2.0M | 20.8K | 0.2% | —Held | |
| 31 | Cytosorbents Corp COM NEW | $1.9M | 5.19M | 0.2% | ▼−0.5% Reduced · −27K sh | |
| 32 | Sprott Physical Gold Trust UNIT | $1.8M | 60.3K | 0.2% | —Held | |
| 33 | Adaptive Biotechnologies Cor COM | $1.6M | 74.9K | 0.2% | ▼−2.0% Reduced · −2K sh | |
| 34 | Intel Corp COM | $1.6M | 11.4K | 0.2% | —Held | |
| 35 | American Intl Group Inc COM NEW | $1.5M | 20.2K | 0.2% | —Held | |
| 36 | Bank America Corp COM | $1.4M | 24.7K | 0.2% | —Held | |
| 37 | Vanguard Index FDS S&P 500 ETF SHS | $1.3M | 1.9K | 0.2% | —Held | |
| 38 | Brightspire Capital Inc COM CL A | $1.2M | 221.9K | 0.1% | —Held | |
| 39 | Exxon Mobil Corp COM | $1.1M | 8.3K | 0.1% | —Held | |
| 40 | Lamar Advertising Co New CL A | $1.1M | 6.8K | 0.1% | —Held | |
| 41 | Black Stone Minerals LP COM UNIT | $1.0M | 73.9K | 0.1% | —Held | |
| 42 | Dollar Tree Inc COM | $970K | 8.0K | 0.1% | ▲+180% Added · +5K sh | |
| 43 | Brookfield Corp CL A LTD VT SH | $958K | 22.5K | 0.1% | —Held | |
| 44 | Privia Health Group Inc COM | $945K | 36.7K | 0.1% | —Held | |
| 45 | Brookfield Infrast Partners LP INT UNIT | $842K | 23.1K | 0.1% | —Held | |
| 46 | SPDR Gold Trust GOLD SHS | $779K | 2.1K | 0.1% | —Held | |
| 47 | Gladstone Commercial Corp COM | $773K | 62.9K | 0.1% | ▼−5.8% Reduced · −4K sh | |
| 48 | Newtek Business Svcs Corp COM NEW | $604K | 40.8K | 0.1% | —Held | |
| 49 | Arista Networks Inc COM SHS | $587K | 3.5K | 0.1% | ▲+2.5% Added · +86 sh | |
| 50 | Carmax Inc COM | $583K | 11.0K | 0.1% | ▼~0% Reduced · −1 sh |
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As-of date vs the date the SEC received each filing
Reported 13F total per quarter. Raw filing totals can include option notional.
Holdings from SEC EDGAR 13F-HR filings, updated quarterly, filed up to 45 days after quarter-end. Public domain. Book totals and portfolio weights cover reported non-option positions, which can include notes and warrants. Disclosed put/call options are listed separately and excluded from those totals. Price-derived performance is withheld until the price-source policy and freshness gate are green.