Holders — by stockHoldings — by fund
Citadel Investment Advisory, Inc.
Everything this manager disclosed owning in US-listed stocks — its complete Form 13F portfolio · as of 2026-06-30 · filed with the SEC up to 45 days after quarter end · CIK 0001811907
$220.3M
disclosed book value
76
positions
23.8%
largest position share
Positions, as of 2026-06-30
top 76 of 76 · 13F covers long US-listed positions only — cash, bonds, private and foreign stakes are not disclosed · PUT/CALL tags = options positions (share-equivalents), not shares held
| # | Issuer | Shares | Value | % of book |
|---|---|---|---|---|
| 1 | BRK/BBeckshire Hathaway | 104,793 | $52.4M | 23.8% |
| 2 | MKLMarkel Corp | 15,242 | $29.8M | 13.5% |
| 3 | GOOGLAlphabet Inc. Class A | 46,669 | $16.7M | 7.6% |
| 4 | GOOGAlphabet Inc. Class C | 27,430 | $9.7M | 4.4% |
| 5 | IPMLFImperial Metals Corp | 1.7M | $7.6M | 3.4% |
| 6 | PMPhilip Morris Intl | 39,030 | $7.1M | 3.2% |
| 7 | JNJJohnson & Johnson | 23,054 | $5.9M | 2.7% |
| 8 | MSFTMicrosoft Corp | 14,568 | $5.4M | 2.5% |
| 9 | RTXRaytheon Technologies Corp | 27,943 | $5.3M | 2.4% |
| 10 | IBMIBM Corp | 16,875 | $4.7M | 2.2% |
| 11 | ABBVAbbvie Inc | 17,848 | $4.5M | 2% |
| 12 | GSGoldman Sachs Group Inc. | 4,100 | $4.1M | 1.9% |
| 13 | MCOMoodys Corp | 7,427 | $3.4M | 1.5% |
| 14 | ORCLOracle Corp | 22,366 | $3.3M | 1.5% |
| 15 | KOCoca Cola Co | 38,403 | $3.1M | 1.4% |
| 16 | GDGeneral Dynamics Corp | 8,291 | $2.9M | 1.3% |
| 17 | MCDMcDonald's | 10,274 | $2.8M | 1.3% |
| 18 | JPMJPMorgan Chase & Co | 8,422 | $2.8M | 1.3% |
| 19 | BKNGBooking Holdings Inc | 14,325 | $2.6M | 1.2% |
| 20 | AMGAffiliated Managers | 6,452 | $2.2M | 1% |
| 21 | MTDMettler Toledo Intl | 1,700 | $2.2M | 1% |
| 22 | DISDisney Company | 22,311 | $2.1M | 1% |
| 23 | PEPPepsiCo | 15,481 | $2.1M | 1% |
| 24 | WRBBerkley W R Corp | 29,468 | $2.1M | 0.9% |
| 25 | AXPAmerican Express | 5,832 | $2.0M | 0.9% |
| 26 | IDXXIdexx Labs Inc | 3,486 | $1.8M | 0.8% |
| 27 | CSXCSX Corp | 37,585 | $1.8M | 0.8% |
| 28 | WFCWells Fargo | 19,775 | $1.6M | 0.7% |
| 29 | Medtronic | 20,700 | $1.6M | 0.7% |
| 30 | CACCCredit Acceptance Corp | 2,525 | $1.6M | 0.7% |
| 31 | BUDAB Inbev | 16,383 | $1.4M | 0.6% |
| 32 | WBDWarner Brothers Discovery,inc | 50,363 | $1.3M | 0.6% |
| 33 | ETNEaton Corp | 3,144 | $1.3M | 0.6% |
| 34 | MHKMohawk Industries | 9,852 | $1.2M | 0.5% |
| 35 | BACBank of America | 20,560 | $1.2M | 0.5% |
| 36 | AMZNAmazon | 4,612 | $1.1M | 0.5% |
| 37 | JEFJefferies Financial | 19,080 | $954,000 | 0.4% |
| 38 | LOWLowes | 4,026 | $888,000 | 0.4% |
| 39 | Vistaprint NV Cimpress | 8,575 | $872,000 | 0.4% |
| 40 | CNICanadian National Railway | 7,161 | $854,000 | 0.4% |
| 41 | HHCHoward Hughs | 11,692 | $836,000 | 0.4% |
| 42 | DHRDanaher Corp | 4,348 | $828,000 | 0.4% |
| 43 | John Marshall Bancorp | 37,200 | $811,000 | 0.4% |
| 44 | ABTAbbott Laboratories | 8,730 | $792,000 | 0.4% |
| 45 | SYYSysco Corp | 9,401 | $786,000 | 0.4% |
| 46 | BABoeing Company | 3,495 | $757,000 | 0.3% |
| 47 | EGEverest Re Group Inc | 1,960 | $700,000 | 0.3% |
| 48 | MAMastercard | 1,155 | $593,000 | 0.3% |
| 49 | WYNNWynn Resorts | 5,811 | $564,000 | 0.3% |
| 50 | PGProctor & Gamble Co | 3,358 | $492,000 | 0.2% |
| 51 | METAMETA | 790 | $445,000 | 0.2% |
| 52 | AAPLApple Inc | 1,500 | $434,000 | 0.2% |
| 53 | LDOSLeidos Holdings Inc | 4,110 | $423,000 | 0.2% |
| 54 | United Parcel Service Inc | 3,703 | $398,000 | 0.2% |
| 55 | CMCSAComcast | 15,630 | $384,000 | 0.2% |
| 56 | SEICSEI Investments | 3,890 | $341,000 | 0.2% |
| 57 | MSCIMSCI Inc | 585 | $328,000 | 0.1% |
| 58 | LECOLincoln Electric Holdings | 1,221 | $324,000 | 0.1% |
| 59 | Radiant Logistics | 33,052 | $313,000 | 0.1% |
| 60 | C 6.875 PERP LColgate Palmolive | 3,297 | $302,000 | 0.1% |
| 61 | ESABESAB Corp | 3,038 | $300,000 | 0.1% |
| 62 | CICigna Corp | 1,081 | $298,000 | 0.1% |
| 63 | TATT | 14,077 | $291,000 | 0.1% |
| 64 | MDLZMondelez Intl Inc | 4,376 | $253,000 | 0.1% |
| 65 | FCNFTI Consulting, Inc. | 1,670 | $249,000 | 0.1% |
| 66 | KDPKeurig Dr. Pepper | 7,145 | $234,000 | 0.1% |
| 67 | SIRIEURSirius XM Holdings | 7,396 | $218,000 | 0.1% |
| 68 | WTWWillis Tower Watson | 817 | $214,000 | 0.1% |
| 69 | WTMWhite Mountains | 100 | $207,000 | 0.1% |
| 70 | Pinnacle Financial Partners | 1,909 | $193,000 | 0.1% |
| 71 | BF/BBrown Forman | 6,804 | $181,000 | 0.1% |
| 72 | COFCapital One | 950 | $173,000 | 0.1% |
| 73 | FISVFiserv Inc | 3,369 | $165,000 | 0.1% |
| 74 | LBRDKLiberty Broadband cl C | 3,324 | $111,000 | 0.1% |
| 75 | LBTYKUSDLiberty Global cl C | 7,820 | $86,000 | 0% |
| 76 | LBTYAUSDLiberty Global cl A | 4,414 | $50,000 | 0% |
Source: SEC Form 13F-HR, reporting period 2026-06-30. Values are the manager's filed June-30-style quarter-end marks, not live prices. Research, not investment advice.