CHECK CAPITAL MANAGEMENT INC/CA

Est. AUM

$1.62B

13F long equity, this entity only

Positions

Period

Mar 2026 (Q1)

SEC EDGAR

View filings ↗

Mar 2026 (Q1)

#	Issuer	Class	Value	Shares	% Portfolio	Discretion
1	Berkshire Hathaway	COM	$531.1M	1108390	32.75%	SOLE
2	Alphabet	COM	$198.0M	690399	12.21%	SOLE
3	Brookfield Corp.	COM	$177.3M	4379938	10.93%	SOLE
4	Markel	COM	$147.2M	76886	9.07%	SOLE
5	AerCap Holdings	COM	$112.2M	817655	6.92%	SOLE
6	First Citizens	COM	$83.1M	44068	5.12%	SOLE
7	Sirius XM	COM	$67.9M	2942595	4.19%	SOLE
8	LKQ Corp	COM	$56.3M	1917106	3.47%	SOLE
9	Amazon	COM	$42.5M	204087	2.62%	SOLE
10	Disney (Walt)	COM	$42.3M	438533	2.61%	SOLE
11	Hershey Foods	COM	$40.0M	192310	2.46%	SOLE
12	Cimpress	COM	$34.4M	471466	2.12%	SOLE
13	Jefferies	COM	$28.1M	680171	1.73%	SOLE
14	Berkshire Hathaway 'A'	COM	$20.8M	29	1.28%	SOLE
15	Wayfair	COM	$12.6M	167948	0.78%	SOLE
16	Apple	COM	$5.9M	23073	0.36%	SOLE
17	Biglari Cl A	COM	$2.8M	1578	0.17%	SOLE
18	Microsoft	COM	$2.3M	6079	0.14%	SOLE
19	Amgen	COM	$1.4M	3885	0.08%	SOLE
20	Caterpillar Tractor	COM	$1.2M	1717	0.07%	SOLE
21	Alphabet Class A	COM	$1.1M	3683	0.07%	SOLE
22	Trupanion Inc.	COM	$1.0M	40695	0.06%	SOLE
23	Goldman Sachs	COM	$1.0M	1230	0.06%	SOLE
24	Tesla Motors	COM	$929K	2500	0.06%	SOLE
25	General Electric	COM	$848K	2990	0.05%	SOLE
26	GE Vernova	COM	$786K	901	0.05%	SOLE
27	Corning	COM	$687K	5050	0.04%	SOLE
28	Raytheon Technologies	COM	$673K	3489	0.04%	SOLE
29	SPDR S&P 500	ETF	$628K	965	0.04%	SOLE
30	IShares Exponential Technologi	ETF	$600K	8800	0.04%	SOLE
31	Bank of America	COM	$587K	12032	0.04%	SOLE
32	Brookfield Asset Management	COM	$576K	12954	0.04%	SOLE
33	Fairfax Finl Hldgs	COM	$372K	219	0.02%	SOLE
34	Nvidia	COM	$369K	2117	0.02%	SOLE
35	Fastenal	COM	$367K	7920	0.02%	SOLE
36	FedEx	COM	$354K	993	0.02%	SOLE
37	Wells Fargo	COM	$351K	4413	0.02%	SOLE
38	Uber	COM	$350K	4860	0.02%	SOLE
39	Conocophillips	COM	$334K	2534	0.02%	SOLE
40	UnitedHealth	COM	$333K	1232	0.02%	SOLE
41	Biglari Holdings	COM	$319K	967	0.02%	SOLE
42	Boeing Co	COM	$288K	1445	0.02%	SOLE
43	Illinois Tool Works	COM	$286K	1100	0.02%	SOLE
44	Schwab US Large Cap Growth	COM	$285K	9800	0.02%	SOLE
45	JPMorgan Chase	COM	$281K	956	0.02%	SOLE
46	Chevron	COM	$279K	1350	0.02%	SOLE
47	Quest Diagnostics	COM	$255K	1300	0.02%	SOLE
48	Verizon	COM	$241K	4800	0.01%	SOLE
49	Citizens Financial Group	COM	$228K	3800	0.01%	SOLE
50	Berkshire HathawayCALL	COM	$48K	100	0.00%	SOLE

Values in USD (reported in $thousands on 13F). Source: SEC EDGAR.