Citadel Investment Advisory, Inc.

Institutional manager (13F) · CIK 1811907

13F holdings · as of 2026-03-31 · top 50 · reported portfolio $202k

#	Issuer	Value	Shares
1	Beckshire Hathaway	$50k	104,930
2	Markel Corp	$29k	15,242
3	Alphabet Inc. Class A	$13k	46,844
4	Imperial Metals Corp	$10k	1,734,313
5	Alphabet Inc. Class C	$8k	27,730
6	Philip Morris Intl	$6k	39,030
7	Johnson & Johnson	$6k	23,053
8	Microsoft Corp	$5k	14,568
9	Raytheon Technologies Corp	$5k	27,943
10	IBM Corp	$4k	16,875
11	Abbvie Inc	$4k	17,858
12	Goldman Sachs Group Inc.	$3k	4,115
13	Oracle Corp	$3k	22,366
14	Moodys Corp	$3k	7,427
15	McDonald's	$3k	10,273
16	Coca Cola Co	$3k	38,503
17	General Dynamics Corp	$3k	8,295
18	JPMorgan Chase & Co	$2k	8,422
19	PepsiCo	$2k	15,552
20	Booking Holdings Inc	$2k	573
21	Disney Company	$2k	22,416
22	Mettler Toledo Intl	$2k	1,700
23	Idexx Labs Inc	$2k	3,491
24	Berkley W R Corp	$2k	29,468
25	Medtronic	$2k	20,700
26	Affiliated Managers	$2k	6,452
27	American Express	$2k	5,832
28	Wells Fargo	$2k	19,775
29	CSX Corp	$2k	37,660
30	Warner Brothers Discovery,inc	$1k	50,363
31	Jefferies Financial	$1k	18,480
32	AB Inbev	$1k	16,383
33	Eaton Corp	$1k	3,144
34	Credit Acceptance Corp	$1k	2,525
35	Bank of America	$1k	20,735
36	Mohawk Industries	$970	9,852
37	Amazon	$961	4,612
38	Lowes	$951	4,026
39	Abbott Laboratories	$896	8,730
40	Danaher Corp	$824	4,348
41	John Marshall Bancorp	$754	37,200
42	Howard Hughs	$740	11,692
43	Canadian National Railway	$736	7,161
44	Boeing Company	$696	3,495
45	Sysco Corp	$671	9,401
46	Everest Re Group Inc	$641	1,960
47	Leidos Holdings Inc	$639	4,110
48	Vistaprint NV Cimpress	$626	8,575
49	Wynn Resorts	$590	5,811
50	Mastercard	$577	1,155

Source: sec_edgar_13f · public regulatory · retrieved 2026-06-29. Public SEC data; no contact information.