Citadel Investment Advisory, Inc. holds a focused book of 76 reported positions worth $220.3M as of Q2 2026 (disclosed Jul 23, 2026, a ~23-day 13F lag). This quarter they trimmed Berkshire Hathaway Inc-CL B. Their largest long position is Berkshire Hathaway Inc-CL B at 24% 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.
94% mapped to company sectors
+1 sector below the cut, under 0.5% 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 Citadel Investment Advisory, Inc.
| Manager / fund | Shared names | Their $ in those |
|---|---|---|
| Ardent Capital Management, Inc. | 12 / 76 | $198.0M |
| Greenbrier Partners Capital Management, LLC | 8 / 76 | $1.1B |
| Independent Investors Inc | 23 / 76 | $415.6M |
| Founders Capital Management, LLC | 30 / 76 | $508.1M |
| Warren Buffett | 9 / 76 | $226.8B |
| Prospect Hill Management, LLC | 8 / 76 | $189.6M |
| Luma Capital S.A. - SPF | 8 / 76 | $82.5M |
| AdviceOne Advisory Services, LLC | 15 / 76 | $127.8M |
Ranked by the share of each fund's own book sitting in the names it shares with Citadel Investment Advisory, Inc.: 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 | Beckshire Hathaway BRKB | $52.4M | 104.8K | 23.8% | ▼−0.1% Reduced · −137 sh | |
| 2 | Markel Corp MKL | $29.8M | 15.2K | 13.5% | —Held | |
| 3 | Alphabet Inc. Class A GOOGL | $16.7M | 46.7K | 7.6% | ▼−0.4% Reduced · −175 sh | |
| 4 | Alphabet Inc. Class C GOOG | $9.7M | 27.4K | 4.4% | ▼−1.1% Reduced · −300 sh | |
| 5 | Imperial Metals Corp IPMLF | $7.6M | 1.73M | 3.4% | ▼−0.1% Reduced · −2K sh | |
| 6 | Philip Morris Intl PM | $7.1M | 39.0K | 3.2% | —Held | |
| 7 | Johnson & Johnson JNJ | $5.9M | 23.1K | 2.7% | ▲~0% Added · +1 sh | |
| 8 | Microsoft Corp MSFT | $5.4M | 14.6K | 2.5% | —Held | |
| 9 | Raytheon Technologies Corp RTX | $5.3M | 27.9K | 2.4% | —Held | |
| 10 | IBM Corp IBM | $4.7M | 16.9K | 2.2% | —Held | |
| 11 | Abbvie Inc ABBV | $4.5M | 17.8K | 2.0% | ▼−0.1% Reduced · −10 sh | |
| 12 | Goldman Sachs Group Inc. GS | $4.1M | 4.1K | 1.9% | ▼−0.4% Reduced · −15 sh | |
| 13 | Moodys Corp MCO | $3.4M | 7.4K | 1.5% | —Held | |
| 14 | Oracle Corp ORCL | $3.3M | 22.4K | 1.5% | —Held | |
| 15 | Coca Cola Co KO | $3.1M | 38.4K | 1.4% | ▼−0.3% Reduced · −100 sh | |
| 16 | General Dynamics Corp GD | $2.9M | 8.3K | 1.3% | ▼~0% Reduced · −4 sh | |
| 17 | McDonald's MCD | $2.8M | 10.3K | 1.3% | ▲~0% Added · +1 sh | |
| 18 | JPMorgan Chase & Co JPM | $2.8M | 8.4K | 1.3% | —Held | |
| 19 | Booking Holdings Inc BKNG | $2.6M | 14.3K | 1.2% | ▲25× Added · +14K sh | |
| 20 | Affiliated Managers AMG | $2.2M | 6.5K | 1.0% | —Held | |
| 21 | Mettler Toledo Intl MTD | $2.2M | 1.7K | 1.0% | —Held | |
| 22 | Disney Company DIS | $2.1M | 22.3K | 1.0% | ▼−0.5% Reduced · −105 sh | |
| 23 | PepsiCo PEP | $2.1M | 15.5K | 1.0% | ▼−0.5% Reduced · −71 sh | |
| 24 | Berkley W R Corp WRB | $2.1M | 29.5K | 0.9% | —Held | |
| 25 | American Express AXP | $2.0M | 5.8K | 0.9% | —Held | |
| 26 | Idexx Labs Inc IDXX | $1.8M | 3.5K | 0.8% | ▼−0.1% Reduced · −5 sh | |
| 27 | CSX Corp CSX | $1.8M | 37.6K | 0.8% | ▼−0.2% Reduced · −75 sh | |
| 28 | Wells Fargo WFC | $1.6M | 19.8K | 0.7% | —Held | |
| 29 | Medtronic MDT | $1.6M | 20.7K | 0.7% | —Held | |
| 30 | Credit Acceptance Corp CACC | $1.6M | 2.5K | 0.7% | —Held | |
| 31 | AB Inbev BUD | $1.4M | 16.4K | 0.6% | —Held | |
| 32 | Warner Brothers Discovery,inc WBD | $1.3M | 50.4K | 0.6% | —Held | |
| 33 | Eaton Corp ETN | $1.3M | 3.1K | 0.6% | —Held | |
| 34 | Mohawk Industries MHK | $1.2M | 9.9K | 0.5% | —Held | |
| 35 | Bank of America BAC | $1.2M | 20.6K | 0.5% | ▼−0.8% Reduced · −175 sh | |
| 36 | Amazon AMZN | $1.1M | 4.6K | 0.5% | —Held | |
| 37 | Jefferies Financial JEF | $954K | 19.1K | 0.4% | ▲+3.2% Added · +600 sh | |
| 38 | Lowes LOW | $888K | 4.0K | 0.4% | —Held | |
| 39 | Vistaprint NV Cimpress CMPR | $872K | 8.6K | 0.4% | —Held | |
| 40 | Canadian National Railway CNI | $854K | 7.2K | 0.4% | —Held | |
| 41 | Howard Hughs HHC | $836K | 11.7K | 0.4% | —Held | |
| 42 | Danaher Corp DHR | $828K | 4.3K | 0.4% | —Held | |
| 43 | John Marshall Bancorp JMSB | $811K | 37.2K | 0.4% | —Held | |
| 44 | Abbott Laboratories ABT | $792K | 8.7K | 0.4% | —Held | |
| 45 | Sysco Corp SYY | $786K | 9.4K | 0.4% | —Held | |
| 46 | Boeing Company BA | $757K | 3.5K | 0.3% | —Held | |
| 47 | Everest Re Group Inc EG | $700K | 2.0K | 0.3% | —Held | |
| 48 | Mastercard MA | $593K | 1.2K | 0.3% | —Held | |
| 49 | Wynn Resorts WYNN | $564K | 5.8K | 0.3% | —Held | |
| 50 | Proctor & Gamble Co PG | $492K | 3.4K | 0.2% | —Held |
This fund page is the Follow view. The Build view lets your agent pull holdings, quarter changes, overlap, and source filings through API or MCP.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/funds/1811907/holdings"
Use Arkolith to show Citadel Investment Advisory, Inc.'s latest holdings, largest changes, and filing provenance.
As-of date vs the date the SEC received each filing
Reported 13F total per quarter. Raw filing totals can include option notional.
| Quarter | As of | Filed | Lag | Positions | Value | Form |
|---|---|---|---|---|---|---|
| Q2 2026 | Jun 30, 2026 | Jul 23, 2026 | 23d | 76 | $220.3M | 13F-HR |
| Q1 2026 | Mar 31, 2026 | Apr 16, 2026 | 16d | 78 | $209.5M | 13F-HR |
| Q4 2025 | Dec 31, 2025 | Jan 21, 2026 | 21d | 79 | $231.4M | 13F-HR |
| Q3 2025 | Sep 30, 2025 | Oct 21, 2025 | 21d | 82 | $218.0M | 13F-HR |
| Q2 2025 | Jun 30, 2025 | Aug 5, 2025 | 36d | 83 | $206.5M | 13F-HR |
| Q1 2025 | Mar 31, 2025 | Apr 17, 2025 | 17d | 82 | $203.8M | 13F-HR |
| Q4 2024 | Dec 31, 2024 | Jan 24, 2025 | 24d | 82 | $193.0M | 13F-HR |
| Q3 2024 | Sep 30, 2024 | Oct 16, 2024 | 16d | 81 | $190.2M | 13F-HR |
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.