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$1.77B (+9%)

Holdings52 (+3)

Top holdingBerkshire Hathaway

Below band2

New

Added

Exited

By what price implies: 17 demand a demanding growth rate, 9 modest.

13F × valuation

Valuation posture

Of 17 valued US positions, 2 trade below a conservative value band (as of 2026-10-16):

Brookfield Asset ManagementBAM21% · below
Aercap HoldingsAER7% · below

SEC 13F · latest filing

Holdings

Security	Value	Valuation	Holders	Shares	Weight	Signal
Berkshire HathawayBRK.BCALL	$2.01B	—	26	4,017,400	—	Adding · 3 quarters
Berkshire HathawayBRK.B	$560.0M	—	26	1,119,075	31.7%	Adding · 3 quarters
Alphabet	$235.9M	—	—	667,772	13.3%	—
Brookfield CorpBN	$187.8M	—	8	4,409,171	10.6%	Big new position
MarkelMKL	$154.7M	—	6	79,209	8.7%	Big new position
Aercap HoldingsAER	$117.8M	Below value	6	807,867	6.7%	—
First CitizensFCNCA	$92.3M	Below value· unconf.	4	44,355	5.2%	Adding · 7 quarters
Sirius XmSIRI	$86.5M	—	6	2,927,799	4.9%	—
Lkq CorpLKQ	$49.7M	—	6	1,886,416	2.8%	—
AmazonAMZN	$49.1M	—	38	206,057	2.8%	Adding · 3 quarters
Cimpress	$48.1M	—	—	472,485	2.7%	Adding · 7 quarters
Disney (Walt)DIS	$43.3M	—	21	450,174	2.5%	Adding · 4 quarters
Hershey FoodsHSY	$36.0M	—	5	205,272	2.0%	Adding · 4 quarters
JefferiesJEF	$34.3M	—	4	685,910	1.9%	Adding · 3 quarters
Berkshire Hathaway 'a'BRK.A	$21.0M	—	17	28	1.2%	—
WayfairW	$15.6M	—	2	169,025	0.9%	—
AppleAAPL	$6.8M	—	27	23,439	0.4%	—
Biglari Cl ABH.A	$3.3M	—	1	1,562	0.2%	—
Fairfax Finl HldgsFRFHF	$3.3M	—	3	1,979	0.2%	Adding · 3 quarters
MicrosoftMSFT	$2.3M	—	42	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	—	5	5,050	0.1%	—
Goldman SachsGS	$1.2M	—	8	1,230	0.1%	—

Berkshire HathawayBRK.BCALLAdding · 3 quarters
Value$2.01BValuation—Holders26Weight—
Berkshire HathawayBRK.BAdding · 3 quarters
Value$560.0MValuation—Holders26Weight31.7%
Alphabet—
Value$235.9MValuation—Holders—Weight13.3%
Brookfield CorpBNBig new position
Value$187.8MValuation—Holders8Weight10.6%
MarkelMKLBig new position
Value$154.7MValuation—Holders6Weight8.7%
Aercap HoldingsAER—
Value$117.8MValuationBelow valueHolders6Weight6.7%
First CitizensFCNCAAdding · 7 quarters
Value$92.3MValuationBelow value· unconf.Holders4Weight5.2%
Sirius XmSIRI—
Value$86.5MValuation—Holders6Weight4.9%
Lkq CorpLKQ—
Value$49.7MValuation—Holders6Weight2.8%
AmazonAMZNAdding · 3 quarters
Value$49.1MValuation—Holders38Weight2.8%
CimpressAdding · 7 quarters
Value$48.1MValuation—Holders—Weight2.7%
Disney (Walt)DISAdding · 4 quarters
Value$43.3MValuation—Holders21Weight2.5%
Hershey FoodsHSYAdding · 4 quarters
Value$36.0MValuation—Holders5Weight2.0%
JefferiesJEFAdding · 3 quarters
Value$34.3MValuation—Holders4Weight1.9%
Berkshire Hathaway 'a'BRK.A—
Value$21.0MValuation—Holders17Weight1.2%
WayfairW—
Value$15.6MValuation—Holders2Weight0.9%
AppleAAPL—
Value$6.8MValuation—Holders27Weight0.4%
Biglari Cl ABH.A—
Value$3.3MValuation—Holders1Weight0.2%
Fairfax Finl HldgsFRFHFAdding · 3 quarters
Value$3.3MValuation—Holders3Weight0.2%
MicrosoftMSFT—
Value$2.3MValuation—Holders42Weight0.1%
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—Holders5Weight0.1%
Goldman SachsGS—
Value$1.2MValuation—Holders8Weight0.1%

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 $1.77B. The top 5 holdings represent 71% of that value, a concentrated portfolio.

The single largest position is Berkshire Hathaway at 31.7% of the portfolio, followed by Alphabet at 13.3% and Brookfield Corp at 10.6%.

Against the prior quarter, Steven Check opened 5 new positions, exited 2, added to 19, and trimmed 11. 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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