Citadel Investment Advisory, Inc. — 13F Holdings & Portfolio
CIK 1811907 · latest 13F-HR filed 2026-04-16
Citadel Investment Advisory, Inc. manages $209.5K in 13F-reported U.S. long-equity assets across 78 reported positions as of its 2026-03-31 13F-HR filing. Its largest disclosed positions are BRK.B (24.00%), MKL (13.92%), GOOGL (6.43%). Quarter over quarter (versus its 2025-12-31 filing) the fund opened 0 new positions, exited 1, added to 10, and trimmed 50.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
$209.5K
Long-equity book
78
Distinct positions
2026-03-31
Filed 2026-04-16
+0 / −1 / ↑10 / ↓50
vs 2025-12-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- Johnson & Johnson$826 +17.2%
- Coca Cola Co$159 +5.7%
- PepsiCo$152 +6.7%
- CSX Corp$137 +9.7%
- Eaton Corp$92 +8.9%
Top Trims
- Markel Corp-$4.4K -13.1%
- Imperial Metals Corp-$3.1K -24.5%
- Beckshire Hathaway-$2.9K -5.5%
- Microsoft Corp-$1.8K -25.2%
- Alphabet Inc. Class A-$1.4K -9.5%
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | Beckshire Hathaway | BRK.B | 084670702 | $50.3K | 24.00% | 104,930 | SH |
| 2 | Markel Corp | MKL | 570535104 | $29.2K | 13.92% | 15,242 | SH |
| 3 | Alphabet Inc. Class A | GOOGL | 02079K305 | $13.5K | 6.43% | 46,844 | SH |
| 4 | Imperial Metals Corp | — | 452892102 | $9.6K | 4.60% | 1,734,313 | SH |
| 5 | Alphabet Inc. Class C | GOOG | 02079K107 | $8.0K | 3.80% | 27,730 | SH |
| 6 | Philip Morris Intl | PM | 718172109 | $6.5K | 3.08% | 39,030 | SH |
| 7 | Johnson & Johnson | JNJ | 478160104 | $5.6K | 2.69% | 23,053 | SH |
| 8 | Microsoft Corp | MSFT | 594918104 | $5.4K | 2.57% | 14,568 | SH |
| 9 | Raytheon Technologies Corp | RTX | 75513E101 | $5.4K | 2.57% | 27,943 | SH |
| 10 | IBM Corp | IBM | 459200101 | $4.1K | 1.95% | 16,875 | SH |
| 11 | Abbvie Inc | ABBV | 00287Y109 | $3.9K | 1.85% | 17,858 | SH |
| 12 | Goldman Sachs Group Inc. | GS | 38141G104 | $3.5K | 1.66% | 4,115 | SH |
| 13 | Oracle Corp | ORCL | 68389X105 | $3.3K | 1.57% | 22,366 | SH |
| 14 | Moodys Corp | MCO | 615369105 | $3.2K | 1.55% | 7,427 | SH |
| 15 | McDonald's | MCD | 580135101 | $3.2K | 1.52% | 10,273 | SH |
| 16 | Coca Cola Co | KO | 191216100 | $2.9K | 1.40% | 38,503 | SH |
| 17 | General Dynamics Corp | GD | 369550108 | $2.8K | 1.36% | 8,295 | SH |
| 18 | JPMorgan Chase & Co | JPM | 46625H100 | $2.5K | 1.18% | 8,422 | SH |
| 19 | PepsiCo | PEP | 713448108 | $2.4K | 1.15% | 15,552 | SH |
| 20 | Booking Holdings Inc | BKNG | 09857L108 | $2.4K | 1.15% | 573 | SH |
| 21 | Disney Company | DIS | 254687106 | $2.2K | 1.03% | 22,416 | SH |
| 22 | Mettler Toledo Intl | MTD | 592688105 | $2.1K | 1.02% | 1,700 | SH |
| 23 | Idexx Labs Inc | IDXX | 45168D104 | $2.0K | 0.94% | 3,491 | SH |
| 24 | Berkley W R Corp | WRB | 084423102 | $2.0K | 0.93% | 29,468 | SH |
| 25 | Medtronic | — | BTN1Y11US | $1.8K | 0.86% | 20,700 | SH |
| 26 | Affiliated Managers | AMG | 008252108 | $1.8K | 0.85% | 6,452 | SH |
| 27 | American Express | AXP | 025816109 | $1.8K | 0.84% | 5,832 | SH |
| 28 | Wells Fargo | WFC | 949746101 | $1.6K | 0.75% | 19,775 | SH |
| 29 | CSX Corp | CSX | 126408103 | $1.5K | 0.74% | 37,660 | SH |
| 30 | Warner Brothers Discovery,inc | WBD | 934423104 | $1.4K | 0.66% | 50,363 | SH |
| 31 | Jefferies Financial | JEF | 47233W109 | $1.1K | 0.55% | 18,480 | SH |
| 32 | AB Inbev | BUD | 03524A108 | $1.1K | 0.54% | 16,383 | SH |
| 33 | Eaton Corp | ETN | G29183103 | $1.1K | 0.54% | 3,144 | SH |
| 34 | Credit Acceptance Corp | CACC | 225310101 | $1.1K | 0.51% | 2,525 | SH |
| 35 | Bank of America | BAC | 060505104 | $1.0K | 0.48% | 20,735 | SH |
| 36 | Mohawk Industries | MHK | 608190104 | $970 | 0.46% | 9,852 | SH |
| 37 | Amazon | AMZN | 023135106 | $961 | 0.46% | 4,612 | SH |
| 38 | Lowes | LOW | 548661107 | $951 | 0.45% | 4,026 | SH |
| 39 | Abbott Laboratories | ABT | 002824100 | $896 | 0.43% | 8,730 | SH |
| 40 | Danaher Corp | DHR | 235851102 | $824 | 0.39% | 4,348 | SH |
| 41 | John Marshall Bancorp | — | 47804G103 | $754 | 0.36% | 37,200 | SH |
| 42 | Howard Hughs | HHH | 44267D107 | $740 | 0.35% | 11,692 | SH |
| 43 | Canadian National Railway | CNI | 136375102 | $736 | 0.35% | 7,161 | SH |
| 44 | Boeing Company | BA | 097023105 | $696 | 0.33% | 3,495 | SH |
| 45 | Sysco Corp | SYY | 871829107 | $671 | 0.32% | 9,401 | SH |
| 46 | Everest Re Group Inc | EG | G3223R108 | $641 | 0.31% | 1,960 | SH |
| 47 | Leidos Holdings Inc | LDOS | 525327102 | $639 | 0.30% | 4,110 | SH |
| 48 | Vistaprint NV Cimpress | — | N93540107 | $626 | 0.30% | 8,575 | SH |
| 49 | Wynn Resorts | WYNN | 983134107 | $590 | 0.28% | 5,811 | SH |
| 50 | Mastercard | MA | 57636Q104 | $577 | 0.28% | 1,155 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-03-31 | 2026-04-16 | $209.5K | 78 | 0001811907-26-000002 |
| 2025-12-31 | 2026-01-21 | $231.4K | 79 | 0001811907-26-000001 |