Steven Check

Net buying

Check Capital Management Inc/Ca — managed by Steven Check; US equity positions disclosed quarterly via SEC 13F

Data as of 2026-06-30 (filed 2026-08-03) · Source: SEC EDGAR

Portfolio value$1.63B (+0%)

Holdings52 (+3)

Top holdingBerkshire Hathaway

Below band1

New

Added

Exited

By what price implies: 15 demand a demanding growth rate, 5 modest.

13F × valuation

Valuation posture

Of 14 valued US positions, 1 trade below a conservative value band (as of 2026-09-03):

Brookfield Asset ManagementBAM15% · below

SEC 13F · latest filing

Holdings

Security	Value	Valuation	Holders	Shares	Weight	Signal
Berkshire HathawayBRK.BCALL	$2.01B	—	27	4,016,300	—	Core 8q
Berkshire HathawayBRK.B	$418.5M	—	27	836,370	25.7%	Core 8q
Alphabet	$235.9M	—	—	667,737	14.5%	—
Brookfield CorpBN	$187.5M	—	8	4,402,984	11.5%	Big new
MarkelMKL	$154.7M	—	6	79,209	9.5%	Big new
Aercap Holdings	$117.8M	—	—	807,867	7.2%	—
First CitizensFCNCA	$92.3M	Below value· unconf.	4	44,353	5.7%	Adding 7q
Sirius XmSIRI	$86.5M	—	6	2,927,799	5.3%	—
Lkq CorpLKQ	$49.7M	—	7	1,886,416	3.1%	—
AmazonAMZN	$49.1M	—	39	206,057	3.0%	Adding 3q
Cimpress	$48.1M	—	—	472,485	3.0%	Adding 7q
Disney (Walt)DIS	$43.3M	—	22	450,174	2.7%	Adding 4q
Hershey FoodsHSY	$36.0M	—	5	205,272	2.2%	Adding 4q
Jefferies	$34.3M	—	—	685,910	2.1%	Adding 3q
Berkshire Hathaway 'a'BRK.A	$21.0M	—	17	28	1.3%	—
Wayfair	$15.6M	—	—	169,025	1.0%	—
AppleAAPL	$6.8M	—	28	23,439	0.4%	—
Biglari Cl A	$3.3M	—	—	1,562	0.2%	—
Fairfax Finl HldgsFRFHF	$3.3M	—	3	1,979	0.2%	Adding 3q
MicrosoftMSFT	$2.3M	—	43	6,229	0.1%	—
Caterpillar TractorCAT	$1.8M	—	8	1,717	0.1%	—
AmgenAMGN	$1.4M	—	4	3,885	0.1%	—
Alphabet Class A	$1.3M	—	—	3,683	0.1%	—
CorningGLW	$1.3M	—	6	5,050	0.1%	—
Goldman Sachs	$1.2M	—	—	1,230	0.1%	—

Berkshire HathawayBRK.BCALLCore 8q
Value$2.01BValuation—Holders27Weight—
Berkshire HathawayBRK.BCore 8q
Value$418.5MValuation—Holders27Weight25.7%
Alphabet—
Value$235.9MValuation—Holders—Weight14.5%
Brookfield CorpBNBig new
Value$187.5MValuation—Holders8Weight11.5%
MarkelMKLBig new
Value$154.7MValuation—Holders6Weight9.5%
Aercap Holdings—
Value$117.8MValuation—Holders—Weight7.2%
First CitizensFCNCAAdding 7q
Value$92.3MValuationBelow value· unconf.Holders4Weight5.7%
Sirius XmSIRI—
Value$86.5MValuation—Holders6Weight5.3%
Lkq CorpLKQ—
Value$49.7MValuation—Holders7Weight3.1%
AmazonAMZNAdding 3q
Value$49.1MValuation—Holders39Weight3.0%
CimpressAdding 7q
Value$48.1MValuation—Holders—Weight3.0%
Disney (Walt)DISAdding 4q
Value$43.3MValuation—Holders22Weight2.7%
Hershey FoodsHSYAdding 4q
Value$36.0MValuation—Holders5Weight2.2%
JefferiesAdding 3q
Value$34.3MValuation—Holders—Weight2.1%
Berkshire Hathaway 'a'BRK.A—
Value$21.0MValuation—Holders17Weight1.3%
Wayfair—
Value$15.6MValuation—Holders—Weight1.0%
AppleAAPL—
Value$6.8MValuation—Holders28Weight0.4%
Biglari Cl A—
Value$3.3MValuation—Holders—Weight0.2%
Fairfax Finl HldgsFRFHFAdding 3q
Value$3.3MValuation—Holders3Weight0.2%
MicrosoftMSFT—
Value$2.3MValuation—Holders43Weight0.1%
Caterpillar TractorCAT—
Value$1.8MValuation—Holders8Weight0.1%
AmgenAMGN—
Value$1.4MValuation—Holders4Weight0.1%
Alphabet Class A—
Value$1.3MValuation—Holders—Weight0.1%
CorningGLW—
Value$1.3MValuation—Holders6Weight0.1%
Goldman Sachs—
Value$1.2MValuation—Holders—Weight0.1%

Showing top 25 of 53 positions

Exited this quarter (2)Conocophillips、Verizon

What is a superinvestor

About this investor

Portfolio overview

Check Capital Management Inc/Ca's most recent 13F filing, for the quarter ended 2026-06-30, reports 52 positions worth $1.63B. The top 5 holdings represent 69% of that value, a concentrated portfolio.

The single largest position is Berkshire Hathaway at 25.7% of the portfolio, followed by Alphabet at 14.5% and Brookfield Corp at 11.5%.

Against the prior quarter, Steven Check opened 5 new positions, exited 2, added to 18, and trimmed 12. The largest new buy was Freeport Mcmoran Copper. The most notable sale was the full exit from Verizon.

Across all 8 quarters on file, Berkshire Hathaway has appeared in every filing, as has Alphabet. Berkshire Hathaway currently ranks first by value.

A 13F is filed roughly 45 days after quarter-end and covers only long positions in US-listed equities, so it is a lagging and partial view of the portfolio. Source: SEC EDGAR.

Steven Check has no positions in the strike zone right now. Browse the whole market by value band

Sources· SEC EDGAR 13F as of 2026-06-30 · filed 2026-08-03

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