account_balance
Investment manager · 13F filer · SEC CIK 1032814
Check Capital Management Inc
Reported value$1.6Bas of Sep 30, 2026
Positions17 1 new, 36 sold out
Top 10 weight93.3%BRK-B alone is 34%
FiledNov 536 days after quarter end
Portfolio · as of Sep 30, 2026
Where the money is
New or addedTrimmedHeld
BRK-BBerkshire Hathaway
34.2%Added +31%
Alphabet
13.7%Trimmed −4%
BNBrookfield Corp.
11.1%Added +10%
MKLMarkel
8.8%Added +4%
AERAerCap Holdings
7.1%
FCNCAFirst Citizens
5.6%
SIRISirius XM
4.7%
AMZNAmazon
3.2%
LKQ2.6%Cimpress
2.3%
HSYHershey Foods
2.0%
JEF1.9%BRK-BBerkshire Hathaway
34.2%Added +31%
Alphabet
13.7%Trimmed −4%
BNBrookfield Corp.
11.1%Added +10%
MKL8.8%AER7.1%FCNCA5.6%SIRI4.7%AMZN3.2%LKQCimpress2.3%
HSYBoxes show the top 12 stocks, sized against each other. The bar above shows how much of the fund they are. 13F only covers US-listed stocks, so foreign holdings and short positions are missing.
Show the top 12 as a list
BRK-B Berkshire Hathaway 34.2% Added +31%
Alphabet 13.7% Trimmed −4%
BN Brookfield Corp. 11.1% Added +10%MKL Markel 8.8% Added +4%AER AerCap Holdings 7.1% HeldFCNCA First Citizens 5.6% HeldSIRI Sirius XM 4.7% HeldAMZN Amazon 3.2% HeldLKQ LKQ Corp 2.6% Trimmed −3%Cimpress 2.3% Held
HSY Hershey Foods 2.0% HeldJEF Jefferies 1.9% HeldWhat changed