Citadel Investment Advisory, Inc.
Citadel Investment Advisory, Inc. reported 76 US-listed holdings worth $218.2 million in its 13F for the quarter ended 30 September 2026, filed 15 October 2026. Its largest: Berkshire Hathaway Inc. Class B (23.8%), Markel CP Hldg Co. (12.1%) and Alphabet Inc. (7.2%). Against the quarter before, it opened 1 position, added to 20, trimmed 37 and sold out of 1.
The 14 largest of its 76 positions, each sized by its share of the reported holdings, coloured by the change in shares against Q2 2026.
What the fund reported holding at each quarter's end; hover a bar for the number of positions
What its reported holdings returned
Held through each quarter, the holdings it reported returned +18.2% over the 8 quarters to 30 September 2026, against +32.9% for the S&P 500.
Not the fund's own return: each 13F's holdings are kept unchanged until the next one, so trades inside a quarter, dividends, cash and fees are left out. A rough guide to how its picks have done over time.
What it did on the quarter
Its positions against its 13F for the quarter to 30 June 2026; a change under 0.1% of a position counts as held
Opened 1
- Hagerty Inc. HGTY$219,000
Added to 20
- Markel CP Hldg Co. MKL+167 shares · +1%
- Microsoft Corp. MSFT+206 shares · +1%
- Moody's Corp. MCO+200 shares · +3%
- Philip Morris International Inc. PM+425 shares · +1%
- IDEXX Laboratories Inc. IDXX+151 shares · +4%
- American Express Co. AXP+200 shares · +3%
- JPMorgan Chase & Co. JPM+167 shares · +2%
- Coca-Cola Co. KO+580 shares · +2%
and 12 more in the table below
Trimmed 37
- Alphabet Inc. GOOGL-710 shares · -2%
- Berkshire Hathaway Inc. Class B BRKB-434 shares · -0%
- Affiliated Managers Group, Inc. AMG-255 shares · -4%
- Imperial Metals Corp IPMLF-13,666 shares · -1%
- International Business Machines Corp. IBM-350 shares · -2%
- Alphabet Inc. GOOG-150 shares · -1%
- Goldman Sachs Group Inc. GS-53 shares · -1%
- Booking Holdings Inc. BKNG-250 shares · -2%
and 29 more in the table below
Sold out of 1
- Liberty Broadband Corp. LBRDK$111,000 last quarter
What it holds
| Company | Shares | Value | Of its book | Change in shares |
|---|---|---|---|---|
| Berkshire Hathaway Inc. Class B BRKB | 104.4K | $52.0 million | 23.81% | -434 |
| Markel CP Hldg Co. MKL | 15.4K | $26.4 million | 12.09% | +167 |
| Alphabet Inc. GOOGL | 46.0K | $15.8 million | 7.25% | -710 |
| Imperial Metals Corp IPMLF | 1.7M | $10.2 million | 4.67% | -13.7K |
| Alphabet Inc. GOOG | 27.3K | $9.3 million | 4.26% | -150 |
| Microsoft Corp. MSFT | 14.8K | $7.6 million | 3.47% | +206 |
| Philip Morris International Inc. PM | 39.5K | $7.5 million | 3.45% | +425 |
| Johnson & Johnson JNJ | 23.0K | $6.1 million | 2.79% | -53 |
| RTX Corp. RTX | 27.8K | $5.2 million | 2.36% | -170 |
| AbbVie Inc. ABBV | 17.8K | $4.7 million | 2.13% | -57 |
| Goldman Sachs Group Inc. GS | 4.0K | $3.6 million | 1.67% | -53 |
| International Business Machines Corp. IBM | 16.5K | $3.6 million | 1.67% | -350 |
| Moody's Corp. MCO | 7.6K | $3.5 million | 1.59% | +200 |
| Coca-Cola Co. KO | 39.0K | $3.4 million | 1.54% | +580 |
| Oracle Corp. ORCL | 22.4K | $3.1 million | 1.41% | +34 |
| JPMorgan Chase & Co. JPM | 8.6K | $2.8 million | 1.30% | +167 |
| General Dynamics Corp. GD | 8.3K | $2.8 million | 1.26% | +16 |
| Mettler Toledo International Inc. MTD | 1.7K | $2.6 million | 1.17% | -5 |
| McDonald's Corp. MCD | 10.4K | $2.4 million | 1.10% | +118 |
| Walt Disney Co. DIS | 22.0K | $2.3 million | 1.06% | -350 |
| Booking Holdings Inc. BKNG | 14.1K | $2.3 million | 1.05% | -250 |
| Affiliated Managers Group, Inc. AMG | 6.2K | $2.3 million | 1.04% | -255 |
| W. R. Berkley Corp. WRB | 29.2K | $2.0 million | 0.91% | -225 |
| PepsiCo Inc. PEP | 15.4K | $2.0 million | 0.90% | -40 |
| IDEXX Laboratories Inc. IDXX | 3.6K | $1.9 million | 0.87% | +151 |
| American Express Co. AXP | 6.0K | $1.8 million | 0.84% | +200 |
| CSX Corp. CSX | 38.5K | $1.8 million | 0.82% | +900 |
| Medtronic | 20.4K | $1.8 million | 0.81% | -339 |
| Wells Fargo & Company WFC | 20.0K | $1.6 million | 0.74% | +266 |
| Warner Bros Discovery Inc. WBD | 50.3K | $1.6 million | 0.71% | -100 |
| Eaton Corp. plc ETN | 3.2K | $1.4 million | 0.64% | +100 |
| Credit Acceptance Corp. CACC | 2.5K | $1.3 million | 0.61% | -10 |
| Mohawk Industries Inc. MHK | 9.7K | $1.2 million | 0.55% | -142 |
| Anheuser-Busch InBev SA/NV BUD | 16.1K | $1.2 million | 0.54% | -313 |
| Amazon.com Inc. AMZN | 4.5K | $1.1 million | 0.52% | -80 |
| Bank of America Corp. BAC | 19.9K | $1.1 million | 0.50% | -620 |
| Danaher Corp. DHR | 4.3K | $963,000 | 0.44% | no change |
| Abbott Laboratories ABT | 8.9K | $876,000 | 0.40% | +134 |
| Jefferies Financial Group Inc. JEF | 19.1K | $871,000 | 0.40% | -30 |
| Canadian Natl Ry Co. CNI | 7.2K | $851,000 | 0.39% | no change |
| Howard Hughes Corporation | 11.7K | $831,000 | 0.38% | no change |
| John Marshall Bancorp | 36.2K | $823,000 | 0.38% | -950 |
| Lowe's Companies Inc. LOW | 4.2K | $767,000 | 0.35% | +134 |
| Everest Group, Ltd. EG | 2.0K | $740,000 | 0.34% | +67 |
| Sysco Corp. SYY | 9.2K | $720,000 | 0.33% | -175 |
| Vistaprint NV Cimpress | 8.6K | $661,000 | 0.30% | no change |
| Mastercard Inc. MA | 1.2K | $637,000 | 0.29% | no change |
| Boeing Co. BA | 3.4K | $632,000 | 0.29% | -100 |
| Meta Platforms, Inc. META | 790 | $573,000 | 0.26% | no change |
| Apple Inc. AAPL | 1.5K | $500,000 | 0.23% | no change |
| Leidos Holdings, Inc. LDOS | 4.1K | $500,000 | 0.23% | -8 |
| Procter & Gamble Co. PG | 3.4K | $488,000 | 0.22% | no change |
| Wynn Resorts Ltd. WYNN | 5.7K | $452,000 | 0.21% | -115 |
| SEI Investments Co. SEIC | 3.7K | $379,000 | 0.17% | -200 |
| Comcast Corp. CMCSA | 15.8K | $344,000 | 0.16% | +200 |
| AT&T Inc. T | 14.1K | $343,000 | 0.16% | no change |
| United Parcel Service Inc | 3.6K | $337,000 | 0.15% | -100 |
| MSCI Inc. MSCI | 580 | $312,000 | 0.14% | -5 |
| Lincoln Electric Holdings Inc. LECO | 1.2K | $310,000 | 0.14% | -50 |
| Radiant Logistics | 33.1K | $287,000 | 0.13% | no change |
| Cigna Group CI | 1.0K | $281,000 | 0.13% | -48 |
| Colgate Palmolive | 3.2K | $277,000 | 0.13% | -50 |
| Mondelez International, Inc. MDLZ | 4.5K | $258,000 | 0.12% | +92 |
| Willis Towers Watson plc WTW | 817 | $235,000 | 0.11% | no change |
| FTI Consulting, Inc. FCN | 1.7K | $225,000 | 0.10% | no change |
| Keurig Dr Pepper Inc. KDP | 7.2K | $220,000 | 0.10% | +90 |
| Hagerty Inc. HGTY | 16.3K | $219,000 | 0.10% | new |
| White Mtns Ins Group Ltd WTM | 100 | $200,000 | 0.09% | no change |
| Esab Corp. ESAB | 2.9K | $194,000 | 0.09% | -99 |
| Sirius XM Holdings Inc. | 7.4K | $191,000 | 0.09% | no change |
| Pinnacle Financial Partners, Inc. PNFP | 1.9K | $179,000 | 0.08% | no change |
| Brown Forman Corp. BFB | 6.8K | $178,000 | 0.08% | no change |
| Capital One Financial Corp. COF | 835 | $161,000 | 0.07% | -115 |
| Fiserv Inc. FISV | 3.2K | $145,000 | 0.07% | -165 |
| Liberty Global PLC | 7.8K | $70,000 | 0.03% | no change |
| Liberty Global PLC | 4.4K | $40,000 | 0.02% | no change |