Check Capital Management 13F-HR Quarterly holdings report by institutional manager

The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE

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COLUMN 1	COLUMN 2	COLUMN 3	COLUMN 4	COLUMN 5			COLUMN 6	COLUMN 7	COLUMN 8
			VALUE	SHRS OR	SH/	PUT/	INVESTMENT	OTHER	VOTING AUTHORITY
NAME OF ISSUER	TITLE OF CLASS	CUSIP	(x$1000)	PRN AMT	PRN	CALL	DISCRETION	MANAGER	SOLE	SHARED	NONE
Advance Auto Parts	COM	00751y106	35,769	194,937	SH		SOLE		194,937	0	0
AerCap Holdings	COM	n00985106	29,532	502,758	SH		SOLE		502,758	0	0
Alliance Data Sys	COM	018581108	35,264	314,601	SH		SOLE		314,601	0	0
Alphabet Class A	COM	38259p508	532	258	SH		SOLE		258	0	0
Alphabet Class C	COM	38259p706	72,913	35,247	SH		SOLE		35,247	0	0
Alphabet Class C	COM	38259p706	1,034	500	SH	Call	SOLE		500	0	0
Amazon Com	COM	023135106	362	117	SH		SOLE		117	0	0
Amgen	COM	031162100	938	3,770	SH		SOLE		3,770	0	0
Anheuser-Busch InBev	COM	03524a108	226	3,600	SH		SOLE		3,600	0	0
Apple	COM	037833100	4,149	33,968	SH		SOLE		33,968	0	0
Bank of America	COM	060505104	2,934	75,845	SH		SOLE		75,845	0	0
Berkshire Hathaway A	COM	084670108	19,285	50	SH		SOLE		50	0	0
Berkshire Hathaway	COM	084670702	335,152	1,311,904	SH		SOLE		1,311,904	0	0
Berkshire Hathaway	COM	084670702	201,080	787,100	SH	Call	SOLE		787,100	0	0
Berkshire Hathaway	COM	084670702	240,270	940,500	SH	Call	SOLE		940,500	0	0
Berkshire Hathaway	COM	084670702	104,206	407,900	SH	Call	SOLE		407,900	0	0
Berkshire Hathaway	COM	084670702	226,934	888,300	SH	Call	SOLE		888,300	0	0
Berkshire Hathaway	COM	084670702	31,525	123,400	SH	Call	SOLE		123,400	0	0
Berkshire Hathaway	COM	084670702	741	2,900	SH	Call	SOLE		2,900	0	0
Berkshire Hathaway	COM	084670702	4,036	15,800	SH	Call	SOLE		15,800	0	0
Berkshire Hathaway	COM	084670702	15,533	60,800	SH	Call	SOLE		60,800	0	0
Berkshire Hathaway	COM	084670702	843	3,300	SH	Call	SOLE		3,300	0	0
Berkshire Hathaway	COM	084670702	17,116	67,000	SH	Call	SOLE		67,000	0	0
Berkshire Hathaway	COM	084670702	3,321	13,000	SH	Call	SOLE		13,000	0	0
Berkshire Hathaway	COM	084670702	18,700	73,200	SH	Call	SOLE		73,200	0	0
Berkshire Hathaway	COM	084670702	2,401	9,400	SH	Call	SOLE		9,400	0	0
Berkshire Hathaway	COM	084670702	2,580	10,100	SH	Call	SOLE		10,100	0	0
Berkshire Hathaway	COM	084670702	1,788	7,000	SH	Call	SOLE		7,000	0	0
Berkshire Hathaway	COM	084670702	5,109	20,000	SH	Call	SOLE		20,000	0	0
Berkshire Hathaway	COM	084670702	2,555	10,000	SH	Call	SOLE		10,000	0	0
Berkshire Hathaway	COM	084670702	7,664	30,000	SH	Call	SOLE		30,000	0	0
Berkshire Hathaway	COM	084670702	5,109	20,000	SH	Call	SOLE		20,000	0	0
Berkshire Hathaway	COM	084670702	2,120	8,300	SH	Call	SOLE		8,300	0	0
Berkshire Hathaway	COM	084670702	792	3,100	SH	Call	SOLE		3,100	0	0
Biglari Cl A	COM	08986r408	1,347	1,994	SH		SOLE		1,994	0	0
Boise Cascade	COM	09739d100	239	4,000	SH		SOLE		4,000	0	0
Brookfield Asset Mgmt	COM	112585104	106,297	2,388,690	SH		SOLE		2,388,690	0	0
CarMax	COM	143130102	50,011	376,984	SH		SOLE		376,984	0	0
Caterpillar Tractor	COM	149123101	406	1,750	SH		SOLE		1,750	0	0
Chevron	COM	166764100	278	2,657	SH		SOLE		2,657	0	0
Cimpress NV	COM	045290255	40,738	406,849	SH		SOLE		406,849	0	0
Citigroup	COM	172967424	286	3,935	SH		SOLE		3,935	0	0
Citizens Financial Group	COM	174610105	208	4,700	SH		SOLE		4,700	0	0
Corning	COM	219350105	222	5,100	SH		SOLE		5,100	0	0
Disney (Walt)	COM	254687106	2,713	14,703	SH		SOLE		14,703	0	0
Fastenal	COM	311900104	340	6,760	SH		SOLE		6,760	0	0
FedEx	COM	31428x106	60,231	212,051	SH		SOLE		212,051	0	0
General Electric	COM	369604103	194	14,765	SH		SOLE		14,765	0	0
Goldman Sachs	COM	38141g104	435	1,330	SH		SOLE		1,330	0	0
Hanesbrands	COM	410345102	44,292	2,251,731	SH		SOLE		2,251,731	0	0
Illinois Tool Works	COM	452308109	244	1,100	SH		SOLE		1,100	0	0
Ingredion	COM	457187102	25,331	281,711	SH		SOLE		281,711	0	0
Johnson & Johnson	COM	478160104	348	2,120	SH		SOLE		2,120	0	0
LKQ Corp	COM	501889208	59,236	1,399,384	SH		SOLE		1,399,384	0	0
ManifestSeven Holdings	COM	563259100	18	59,500	SH		SOLE		59,500	0	0
Markel	COM	570535104	45,075	39,553	SH		SOLE		39,553	0	0
Metro Bank PLC	COM	G60640102	45	28,000	SH		SOLE		28,000	0	0
Microsoft	COM	594918104	1,344	5,702	SH		SOLE		5,702	0	0
Oshkosh Truck	COM	688239201	32,984	277,970	SH		SOLE		277,970	0	0
Qualcomm	COM	747525103	217	1,635	SH		SOLE		1,635	0	0
Quest Diagnostics	COM	74834l100	21,374	166,540	SH		SOLE		166,540	0	0
Restaurant Brands	COM	76131D103	46,247	711,496	SH		SOLE		711,496	0	0
Suncor	COM	867224107	34,067	1,630,000	SH		SOLE		1,630,000	0	0
Tesla Motors	COM	88160r101	334	500	SH		SOLE		500	0	0
Trupanion Inc.	COM	898202106	1,033	13,550	SH		SOLE		13,550	0	0
US Bancorp	COM	902973304	660	11,935	SH		SOLE		11,935	0	0
Verizon	COM	92343v104	3,485	59,930	SH		SOLE		59,930	0	0
Wayfair	COM	94419l101	496	1,575	SH		SOLE		1,575	0	0
Wells Fargo	COM	949746101	34,867	892,418	SH		SOLE		892,418	0	0
IShares Exponential Technologi	ETF	46434V381	438	7,400	SH		SOLE		7,400	0	0
SPDR S&P 500	ETF	78462f103	317	800	SH		SOLE		800	0	0