# CHECK CAPITAL MANAGEMENT INC/CA: Form 13F holdings

An institutional investment manager in COSTA MESA, CA. SEC CIK 1032814.

- Quarter ended: 2026-06-30
- Filed: 2026-08-03
- Reported value: $3.64bn
- Positions: 123 (67 lines in the filing's table; lines for the same security and option type are added together here)
- Compared with: the 13F for the quarter ended 2026-03-31
- Filing: https://www.sec.gov/Archives/edgar/data/1032814/000103281426000005/

## Holdings

As filed, largest first. Reported value is what the manager stated at the quarter end (Jun 30, 2026), in US dollars; it is filing data, not a price. Weight is the share of the total reported value.

| Issuer | Class | Reported value | Weight | Shares | Put or call | Change on the quarter before |
| --- | --- | ---: | ---: | ---: | --- | --- |
| [Berkshire Hathaway (BRK-B)](/companies/brk-b.md) | COM | $2.01bn | 18.0% | 4,017,400 | Call | Added +231,700 |
| [Berkshire Hathaway (BRK-B)](/companies/brk-b.md) | COM | $2.01bn | 18.0% | 4,017,400 | Call | Added +231,700 |
| [Berkshire Hathaway (BRK-B)](/companies/brk-b.md) | COM | $2.01bn | 18.0% | 4,016,300 | Call | Added +230,600 |
| [Berkshire Hathaway (BRK-B)](/companies/brk-b.md) | COM | $560.0m | 5.0% | 1,119,075 |  | Added +10,685 |
| [Berkshire Hathaway (BRK-B)](/companies/brk-b.md) | COM | $560.0m | 5.0% | 1,119,075 |  | Added +10,685 |
| [Berkshire Hathaway (BRK-B)](/companies/brk-b.md) | COM | $418.5m | 3.7% | 836,370 |  | Reduced −272,020 |
| Alphabet | COM | $235.9m | 2.1% | 667,772 |  | Reduced −22,627 |
| Alphabet | COM | $235.9m | 2.1% | 667,772 |  | Reduced −22,627 |
| Alphabet | COM | $235.9m | 2.1% | 667,737 |  | Reduced −22,662 |
| [Brookfield Corp. (BN)](/companies/bn.md) | COM | $187.8m | 1.7% | 4,409,171 |  | Added +29,233 |
| [Brookfield Corp. (BN)](/companies/bn.md) | COM | $187.8m | 1.7% | 4,409,171 |  | Added +29,233 |
| [Brookfield Corp. (BN)](/companies/bn.md) | COM | $187.5m | 1.7% | 4,402,984 |  | Added +23,046 |
| [Markel (MKL)](/companies/mkl.md) | COM | $154.7m | 1.4% | 79,209 |  | Added +2,323 |
| [Markel (MKL)](/companies/mkl.md) | COM | $154.7m | 1.4% | 79,209 |  | Added +2,323 |
| [Markel (MKL)](/companies/mkl.md) | COM | $154.7m | 1.4% | 79,209 |  | Added +2,323 |
| AerCap Holdings | COM | $117.8m | 1.1% | 807,867 |  | Reduced −9,788 |
| AerCap Holdings | COM | $117.8m | 1.1% | 807,867 |  | Reduced −9,788 |
| AerCap Holdings | COM | $117.8m | 1.1% | 807,867 |  | Reduced −9,788 |
| [First Citizens (FCNCA)](/companies/fcnca.md) | COM | $92.3m | 0.8% | 44,355 |  | Added +287 |
| [First Citizens (FCNCA)](/companies/fcnca.md) | COM | $92.3m | 0.8% | 44,355 |  | Added +287 |
| [First Citizens (FCNCA)](/companies/fcnca.md) | COM | $92.3m | 0.8% | 44,353 |  | Added +285 |
| [Sirius XM (SIRI)](/companies/siri.md) | COM | $86.5m | 0.8% | 2,927,799 |  | Reduced −14,796 |
| [Sirius XM (SIRI)](/companies/siri.md) | COM | $86.5m | 0.8% | 2,927,799 |  | Reduced −14,796 |
| [Sirius XM (SIRI)](/companies/siri.md) | COM | $86.5m | 0.8% | 2,927,799 |  | Reduced −14,796 |
| [LKQ Corp (LKQ)](/companies/lkq.md) | COM | $49.7m | 0.4% | 1,886,416 |  | Reduced −30,690 |
| [LKQ Corp (LKQ)](/companies/lkq.md) | COM | $49.7m | 0.4% | 1,886,416 |  | Reduced −30,690 |
| [LKQ Corp (LKQ)](/companies/lkq.md) | COM | $49.7m | 0.4% | 1,886,416 |  | Reduced −30,690 |
| [Amazon (AMZN)](/companies/amzn.md) | COM | $49.1m | 0.4% | 206,057 |  | Added +1,970 |
| [Amazon (AMZN)](/companies/amzn.md) | COM | $49.1m | 0.4% | 206,057 |  | Added +1,970 |
| [Amazon (AMZN)](/companies/amzn.md) | COM | $49.1m | 0.4% | 206,057 |  | Added +1,970 |
| Cimpress | COM | $48.1m | 0.4% | 472,485 |  | Added +1,019 |
| Cimpress | COM | $48.1m | 0.4% | 472,485 |  | Added +1,019 |
| Cimpress | COM | $48.1m | 0.4% | 472,485 |  | Added +1,019 |
| [Disney (Walt) (DIS)](/companies/dis.md) | COM | $43.3m | 0.4% | 450,174 |  | Added +11,641 |
| [Disney (Walt) (DIS)](/companies/dis.md) | COM | $43.3m | 0.4% | 450,174 |  | Added +11,641 |
| [Disney (Walt) (DIS)](/companies/dis.md) | COM | $43.3m | 0.4% | 450,174 |  | Added +11,641 |
| [Hershey Foods (HSY)](/companies/hsy.md) | COM | $36.0m | 0.3% | 205,272 |  | Added +12,962 |
| [Hershey Foods (HSY)](/companies/hsy.md) | COM | $36.0m | 0.3% | 205,272 |  | Added +12,962 |
| [Hershey Foods (HSY)](/companies/hsy.md) | COM | $36.0m | 0.3% | 205,272 |  | Added +12,962 |
| [Jefferies (JEF)](/companies/jef.md) | COM | $34.3m | 0.3% | 685,910 |  | Added +5,739 |
| [Jefferies (JEF)](/companies/jef.md) | COM | $34.3m | 0.3% | 685,910 |  | Added +5,739 |
| [Jefferies (JEF)](/companies/jef.md) | COM | $34.3m | 0.3% | 685,910 |  | Added +5,739 |
| [Berkshire Hathaway   'A' (BRK-B)](/companies/brk-b.md) | COM | $21.0m | 0.2% | 28 |  | Reduced −1 |
| [Berkshire Hathaway   'A' (BRK-B)](/companies/brk-b.md) | COM | $21.0m | 0.2% | 28 |  | Reduced −1 |
| [Berkshire Hathaway  'A' (BRK-B)](/companies/brk-b.md) | COM | $21.0m | 0.2% | 28 |  | Reduced −1 |
| [Wayfair (W)](/companies/w.md) | COM | $15.6m | 0.1% | 169,025 |  | Added +1,077 |
| [Wayfair (W)](/companies/w.md) | COM | $15.6m | 0.1% | 169,025 |  | Added +1,077 |
| [Wayfair (W)](/companies/w.md) | COM | $15.6m | 0.1% | 169,025 |  | Added +1,077 |
| [Apple (AAPL)](/companies/aapl.md) | COM | $6.8m | <0.1% | 23,439 |  | Added +366 |
| [Apple (AAPL)](/companies/aapl.md) | COM | $6.8m | <0.1% | 23,439 |  | Added +366 |
| [Biglari Cl A (BH-A)](/companies/bh-a.md) | COM | $3.3m | <0.1% | 1,562 |  | Reduced −16 |
| [Biglari Cl A (BH-A)](/companies/bh-a.md) | COM | $3.3m | <0.1% | 1,562 |  | Reduced −16 |
| [Fairfax Finl Hldgs (FRFHF)](/companies/frfhf.md) | COM | $3.3m | <0.1% | 1,979 |  | Added +1,760 |
| [Fairfax Finl Hldgs (FRFHF)](/companies/frfhf.md) | COM | $3.3m | <0.1% | 1,979 |  | Added +1,760 |
| [Fairfax Finl Hldgs (FRFHF)](/companies/frfhf.md) | COM | $3.3m | <0.1% | 1,979 |  | Added +1,760 |
| [Microsoft (MSFT)](/companies/msft.md) | COM | $2.3m | <0.1% | 6,229 |  | Added +150 |
| [Microsoft (MSFT)](/companies/msft.md) | COM | $2.3m | <0.1% | 6,229 |  | Added +150 |
| [Caterpillar Tractor (CAT)](/companies/cat.md) | COM | $1.8m | <0.1% | 1,717 |  | Unchanged |
| [Caterpillar Tractor (CAT)](/companies/cat.md) | COM | $1.8m | <0.1% | 1,717 |  | Unchanged |
| [Amgen (AMGN)](/companies/amgn.md) | COM | $1.4m | <0.1% | 3,885 |  | Unchanged |
| [Amgen (AMGN)](/companies/amgn.md) | COM | $1.4m | <0.1% | 3,885 |  | Unchanged |
| Alphabet Class A | COM | $1.3m | <0.1% | 3,683 |  | Unchanged |
| Alphabet Class A | COM | $1.3m | <0.1% | 3,683 |  | Unchanged |
| [Corning (GLW)](/companies/glw.md) | COM | $1.3m | <0.1% | 5,050 |  | Unchanged |
| [Corning (GLW)](/companies/glw.md) | COM | $1.3m | <0.1% | 5,050 |  | Unchanged |
| [Goldman Sachs (GS)](/companies/gs.md) | COM | $1.2m | <0.1% | 1,230 |  | Unchanged |
| [Goldman Sachs (GS)](/companies/gs.md) | COM | $1.2m | <0.1% | 1,230 |  | Unchanged |
| General Electric | COM | $1.1m | <0.1% | 2,990 |  | Unchanged |
| General Electric | COM | $1.1m | <0.1% | 2,990 |  | Unchanged |
| [GE Vernova (GEV)](/companies/gev.md) | COM | $1.1m | <0.1% | 901 |  | Unchanged |
| [GE Vernova (GEV)](/companies/gev.md) | COM | $1.1m | <0.1% | 901 |  | Unchanged |
| [Trupanion Inc. (TRUP)](/companies/trup.md) | COM | $992.7k | <0.1% | 40,075 |  | Reduced −620 |
| [Trupanion Inc. (TRUP)](/companies/trup.md) | COM | $992.7k | <0.1% | 40,075 |  | Reduced −620 |
| [Tesla Motors (TSLA)](/companies/tsla.md) | COM | $988.4k | <0.1% | 2,350 |  | Reduced −150 |
| [Tesla Motors (TSLA)](/companies/tsla.md) | COM | $988.4k | <0.1% | 2,350 |  | Reduced −150 |
| IShares Exponential Technologi | ETF | $727.1k | <0.1% | 8,800 |  | Unchanged |
| IShares Exponential Technologi | ETF | $727.1k | <0.1% | 8,800 |  | Unchanged |
| [SPDR S&P 500 (SPY)](/companies/spy.md) | ETF | $720.6k | <0.1% | 965 |  | Unchanged |
| [SPDR S&P 500 (SPY)](/companies/spy.md) | ETF | $720.6k | <0.1% | 965 |  | Unchanged |
| [Bank of America (BAC)](/companies/bac.md) | COM | $685.9k | <0.1% | 12,038 |  | Added +6 |
| [Bank of America (BAC)](/companies/bac.md) | COM | $685.9k | <0.1% | 12,038 |  | Added +6 |
| [Raytheon Technologies (RTX)](/companies/rtx.md) | COM | $662.0k | <0.1% | 3,489 |  | Unchanged |
| [Raytheon Technologies (RTX)](/companies/rtx.md) | COM | $662.0k | <0.1% | 3,489 |  | Unchanged |
| [Nvidia (NVDA)](/companies/nvda.md) | COM | $615.7k | <0.1% | 3,077 |  | Added +960 |
| [Nvidia (NVDA)](/companies/nvda.md) | COM | $615.7k | <0.1% | 3,077 |  | Added +960 |
| [Brookfield Asset Management (BAM)](/companies/bam.md) | COM | $588.8k | <0.1% | 13,129 |  | Added +175 |
| [Brookfield Asset Management (BAM)](/companies/bam.md) | COM | $588.8k | <0.1% | 13,129 |  | Added +175 |
| [UnitedHealth (UNH)](/companies/unh.md) | COM | $466.3k | <0.1% | 1,122 |  | Reduced −110 |
| [UnitedHealth (UNH)](/companies/unh.md) | COM | $466.3k | <0.1% | 1,122 |  | Reduced −110 |
| Biglari Holdings | COM | $412.0k | <0.1% | 967 |  | Unchanged |
| Biglari Holdings | COM | $412.0k | <0.1% | 967 |  | Unchanged |
| [Fastenal (FAST)](/companies/fast.md) | COM | $380.4k | <0.1% | 7,920 |  | Unchanged |
| [Fastenal (FAST)](/companies/fast.md) | COM | $380.4k | <0.1% | 7,920 |  | Unchanged |
| [Wells Fargo (WFC)](/companies/wfc.md) | COM | $370.5k | <0.1% | 4,483 |  | Added +70 |
| [Wells Fargo (WFC)](/companies/wfc.md) | COM | $370.5k | <0.1% | 4,483 |  | Added +70 |
| [Uber (UBER)](/companies/uber.md) | COM | $351.1k | <0.1% | 4,865 |  | Added +5 |
| [Uber (UBER)](/companies/uber.md) | COM | $351.1k | <0.1% | 4,865 |  | Added +5 |
| Schwab US Large Cap Growth | COM | $331.6k | <0.1% | 9,800 |  | Unchanged |
| Schwab US Large Cap Growth | COM | $331.6k | <0.1% | 9,800 |  | Unchanged |
| [JPMorgan Chase (JPM)](/companies/jpm.md) | COM | $313.3k | <0.1% | 957 |  | Added +1 |
| [JPMorgan Chase (JPM)](/companies/jpm.md) | COM | $313.3k | <0.1% | 957 |  | Added +1 |
| [Boeing Co (BA)](/companies/ba.md) | COM | $312.8k | <0.1% | 1,445 |  | Unchanged |
| [Boeing Co (BA)](/companies/ba.md) | COM | $312.8k | <0.1% | 1,445 |  | Unchanged |
| [FedEx (FDX)](/companies/fdx.md) | COM | $300.9k | <0.1% | 961 |  | Reduced −32 |
| [FedEx (FDX)](/companies/fdx.md) | COM | $300.9k | <0.1% | 961 |  | Reduced −32 |
| [Illinois Tool Works (ITW)](/companies/itw.md) | COM | $297.5k | <0.1% | 1,100 |  | Unchanged |
| [Illinois Tool Works (ITW)](/companies/itw.md) | COM | $297.5k | <0.1% | 1,100 |  | Unchanged |
| [Quest Diagnostics (DGX)](/companies/dgx.md) | COM | $275.5k | <0.1% | 1,300 |  | Unchanged |
| [Quest Diagnostics (DGX)](/companies/dgx.md) | COM | $275.5k | <0.1% | 1,300 |  | Unchanged |
| [Citizens Financial Group (CFG)](/companies/cfg.md) | COM | $266.3k | <0.1% | 3,800 |  | Unchanged |
| [Citizens Financial Group (CFG)](/companies/cfg.md) | COM | $266.3k | <0.1% | 3,800 |  | Unchanged |
| [Freeport Mcmoran Copper (FCX)](/companies/fcx.md) | COM | $244.1k | <0.1% | 3,881 |  | New +3,881 |
| [Freeport Mcmoran Copper (FCX)](/companies/fcx.md) | COM | $244.1k | <0.1% | 3,881 |  | New +3,881 |
| [Hudbay Minerals (HBM)](/companies/hbm.md) | COM | $234.7k | <0.1% | 9,940 |  | New +9,940 |
| [Hudbay Minerals (HBM)](/companies/hbm.md) | COM | $234.7k | <0.1% | 9,940 |  | New +9,940 |
| Lam Research | COM | $216.7k | <0.1% | 500 |  | New +500 |
| Lam Research | COM | $216.7k | <0.1% | 500 |  | New +500 |
| [Taseko Mines (TGB)](/companies/tgb.md) | COM | $215.7k | <0.1% | 31,350 |  | New +31,350 |
| [Taseko Mines (TGB)](/companies/tgb.md) | COM | $215.7k | <0.1% | 31,350 |  | New +31,350 |
| [Chevron (CVX)](/companies/cvx.md) | COM | $207.2k | <0.1% | 1,250 |  | Reduced −100 |
| [Chevron (CVX)](/companies/cvx.md) | COM | $207.2k | <0.1% | 1,250 |  | Reduced −100 |
| Schwab US Small Cap ETF | ETF | $202.3k | <0.1% | 5,600 |  | New +5,600 |
| Schwab US Small Cap ETF | ETF | $202.3k | <0.1% | 5,600 |  | New +5,600 |

## Sold out

Held at the end of the quarter before and not reported this quarter.

| Issuer | Class | Reported value | Weight | Shares | Put or call | Change on the quarter before |
| --- | --- | ---: | ---: | ---: | --- | --- |
| [Conocophillips (COP)](/companies/cop.md) | COM | $0 | 0.0% | 0 |  | Sold out −2,534 |
| [Verizon (VZ)](/companies/vz.md) | COM | $0 | 0.0% | 0 |  | Sold out −4,800 |

Source: SEC EDGAR, Form 13F-HR, accession 0001032814-26-000005. Last ingested by Listed: Oct 22, 2026, 05:26 ET. No prices; not investment advice.