CHECK CAPITAL MANAGEMENT INC/CA — 13F-HR — 2026-03-31
U.S. SEC EDGAR · Published 04 May 2026 · Collected 22 Oct 2026
Original SEC XML preserved; count and dollar total reconciled; manager attribution retained · Original document retrieved
PERSON / P125INVESTOR
Steven Check
Founder, president and Chief Investment Officer of Check Capital Management, established in 1987. This page shows institutional disclosures, not his private account.
Biography: checkcapital.com
READ THIS FIRST ↗
These are disclosures by an associated institution. The person’s name provides context; it does not establish current management, personal ownership or who made the trade.
A CLOSER LOOK / 31 Mar 2026Largest positions
Largest positions
in this source table.
Weights calculated from the complete reported table of U.S. SEC EDGAR. Denominator: that source’s disclosed public table, not personal wealth.
See source & scope ↗Berkshire Hathaway
52.80%
Berkshire Hathaway
15.46%
Alphabet
5.76%
Brookfield Corp.
5.16%
Markel
Top 5 of 50 selected source-table records. 4.28%
Comparison unavailable.
The preceding complete report is not available. Missing data is not a zero position.
01 / THE RECORDS50 MATCHING RECORDS
The disclosed positions.
1 record sources ↗| ASSET / SECURITY | REPORTED QUANTITY | REPORTED VALUE / USD | WEIGHT | QUARTERLY ACTIVITY | RECORD TYPE / OWNER | SOURCE |
|---|---|---|---|---|---|---|
| 084670702Berkshire HathawayCall · COM | 3,785,700underlying shares (call option) | $1,814,107,440Reported market value$479.2 / reported unit (derived) | 52.80%Share of this filing table | No comparable prior disclosure | Reported option positionAssociated institution31 Mar 2026 | U.S. SEC EDGAR ↗Record details ↗ |
| 084670702Berkshire Hathaway | 1,108,390shares | $531,140,355Reported market value$479.2 / reported unit (derived) | 15.46%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Mar 2026 | U.S. SEC EDGAR ↗Record details ↗ |
| 38259p706Alphabet | 690,399shares | $198,047,923Reported market value$286.86 / reported unit (derived) | 5.76%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Mar 2026 | U.S. SEC EDGAR ↗Record details ↗ |
| 11271J107Brookfield Corp. | 4,379,938shares | $177,256,083Reported market value$40.47 / reported unit (derived) | 5.16%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Mar 2026 | U.S. SEC EDGAR ↗Record details ↗ |
| 570535104Markel | 76,886shares | $147,165,508Reported market value$1,914.07 / reported unit (derived) | 4.28%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Mar 2026 | U.S. SEC EDGAR ↗Record details ↗ |
| n00985106AerCap Holdings | 817,655shares | $112,165,979Reported market value$137.18 / reported unit (derived) | 3.26%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Mar 2026 | U.S. SEC EDGAR ↗Record details ↗ |
| 31946M103First Citizens | 44,068shares | $83,054,118Reported market value$1,884.68 / reported unit (derived) | 2.42%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Mar 2026 | U.S. SEC EDGAR ↗Record details ↗ |
| 829933100Sirius XM | 2,942,595shares | $67,915,104Reported market value$23.08 / reported unit (derived) | 1.98%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Mar 2026 | U.S. SEC EDGAR ↗Record details ↗ |
| 501889208LKQ Corp | 1,917,106shares | $56,305,416Reported market value$29.37 / reported unit (derived) | 1.64%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Mar 2026 | U.S. SEC EDGAR ↗Record details ↗ |
| 023135106Amazon | 204,087shares | $42,505,113Reported market value$208.27 / reported unit (derived) | 1.24%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Mar 2026 | U.S. SEC EDGAR ↗Record details ↗ |
| 254687106Disney (Walt) | 438,533shares | $42,265,845Reported market value$96.38 / reported unit (derived) | 1.23%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Mar 2026 | U.S. SEC EDGAR ↗Record details ↗ |
| 427866108Hershey Foods | 192,310shares | $39,979,314Reported market value$207.89 / reported unit (derived) | 1.16%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Mar 2026 | U.S. SEC EDGAR ↗Record details ↗ |
| 045290255Cimpress | 471,466shares | $34,417,018Reported market value$73 / reported unit (derived) | 1.00%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Mar 2026 | U.S. SEC EDGAR ↗Record details ↗ |
| 47233w109Jefferies | 680,171shares | $28,070,669Reported market value$41.27 / reported unit (derived) | 0.82%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Mar 2026 | U.S. SEC EDGAR ↗Record details ↗ |
| 084670108Berkshire Hathaway 'A' | 29shares | $20,826,060Reported market value$718,140 / reported unit (derived) | 0.61%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Mar 2026 | U.S. SEC EDGAR ↗Record details ↗ |
| 94419l101Wayfair | 167,948shares | $12,631,345Reported market value$75.21 / reported unit (derived) | 0.37%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Mar 2026 | U.S. SEC EDGAR ↗Record details ↗ |
| 037833100Apple | 23,073shares | $5,855,732Reported market value$253.79 / reported unit (derived) | 0.17%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Mar 2026 | U.S. SEC EDGAR ↗Record details ↗ |
| 08986r408Biglari Cl A | 1,578shares | $2,749,965Reported market value$1,742.69 / reported unit (derived) | 0.08%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Mar 2026 | U.S. SEC EDGAR ↗Record details ↗ |
| 594918104Microsoft | 6,079shares | $2,250,207Reported market value$370.16 / reported unit (derived) | 0.07%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Mar 2026 | U.S. SEC EDGAR ↗Record details ↗ |
| 031162100Amgen | 3,885shares | $1,366,937Reported market value$351.85 / reported unit (derived) | 0.04%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Mar 2026 | U.S. SEC EDGAR ↗Record details ↗ |
| 149123101Caterpillar Tractor | 1,717shares | $1,216,426Reported market value$708.46 / reported unit (derived) | 0.04%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Mar 2026 | U.S. SEC EDGAR ↗Record details ↗ |
| 38259p508Alphabet Class A | 3,683shares | $1,059,183Reported market value$287.59 / reported unit (derived) | 0.03%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Mar 2026 | U.S. SEC EDGAR ↗Record details ↗ |
| 898202106Trupanion Inc. | 40,695shares | $1,042,199Reported market value$25.61 / reported unit (derived) | 0.03%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Mar 2026 | U.S. SEC EDGAR ↗Record details ↗ |
| 38141g104Goldman Sachs | 1,230shares | $1,040,568Reported market value$845.99 / reported unit (derived) | 0.03%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Mar 2026 | U.S. SEC EDGAR ↗Record details ↗ |
| 88160r101Tesla Motors | 2,500shares | $929,375Reported market value$371.75 / reported unit (derived) | 0.03%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Mar 2026 | U.S. SEC EDGAR ↗Record details ↗ |
| 369604103General Electric | 2,990shares | $848,472Reported market value$283.77 / reported unit (derived) | 0.02%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Mar 2026 | U.S. SEC EDGAR ↗Record details ↗ |
| 36828A101GE Vernova | 901shares | $786,483Reported market value$872.9 / reported unit (derived) | 0.02%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Mar 2026 | U.S. SEC EDGAR ↗Record details ↗ |
| 219350105Corning | 5,050shares | $686,648Reported market value$135.97 / reported unit (derived) | 0.02%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Mar 2026 | U.S. SEC EDGAR ↗Record details ↗ |
| 75513E101Raytheon Technologies | 3,489shares | $673,028Reported market value$192.9 / reported unit (derived) | 0.02%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Mar 2026 | U.S. SEC EDGAR ↗Record details ↗ |
| 78462f103SPDR S&P 500 | 965shares | $627,578Reported market value$650.34 / reported unit (derived) | 0.02%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Mar 2026 | U.S. SEC EDGAR ↗Record details ↗ |
| 46434V381IShares Exponential Technologi | 8,800shares | $599,714Reported market value$68.15 / reported unit (derived) | 0.02%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Mar 2026 | U.S. SEC EDGAR ↗Record details ↗ |
| 060505104Bank of America | 12,032shares | $586,563Reported market value$48.75 / reported unit (derived) | 0.02%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Mar 2026 | U.S. SEC EDGAR ↗Record details ↗ |
| 113004105Brookfield Asset Management | 12,954shares | $575,805Reported market value$44.45 / reported unit (derived) | 0.02%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Mar 2026 | U.S. SEC EDGAR ↗Record details ↗ |
| 303901102Fairfax Finl Hldgs | 219shares | $371,968Reported market value$1,698.48 / reported unit (derived) | 0.01%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Mar 2026 | U.S. SEC EDGAR ↗Record details ↗ |
| 67066g104Nvidia | 2,117shares | $369,205Reported market value$174.4 / reported unit (derived) | 0.01%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Mar 2026 | U.S. SEC EDGAR ↗Record details ↗ |
| 311900104Fastenal | 7,920shares | $367,488Reported market value$46.4 / reported unit (derived) | 0.01%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Mar 2026 | U.S. SEC EDGAR ↗Record details ↗ |
| 31428x106FedEx | 993shares | $353,687Reported market value$356.18 / reported unit (derived) | 0.01%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Mar 2026 | U.S. SEC EDGAR ↗Record details ↗ |
| 949746101Wells Fargo | 4,413shares | $351,319Reported market value$79.61 / reported unit (derived) | 0.01%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Mar 2026 | U.S. SEC EDGAR ↗Record details ↗ |
| 90353T100Uber | 4,860shares | $349,580Reported market value$71.93 / reported unit (derived) | 0.01%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Mar 2026 | U.S. SEC EDGAR ↗Record details ↗ |
| 20825c104Conocophillips | 2,534shares | $334,488Reported market value$132 / reported unit (derived) | 0.01%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Mar 2026 | U.S. SEC EDGAR ↗Record details ↗ |
| 91324p102UnitedHealth | 1,232shares | $333,367Reported market value$270.59 / reported unit (derived) | 0.01%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Mar 2026 | U.S. SEC EDGAR ↗Record details ↗ |
| 08986r101Biglari Holdings | 967shares | $318,714Reported market value$329.59 / reported unit (derived) | 0.01%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Mar 2026 | U.S. SEC EDGAR ↗Record details ↗ |
| 097023105Boeing Co | 1,445shares | $287,598Reported market value$199.03 / reported unit (derived) | 0.01%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Mar 2026 | U.S. SEC EDGAR ↗Record details ↗ |
| 452308109Illinois Tool Works | 1,100shares | $286,319Reported market value$260.29 / reported unit (derived) | 0.01%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Mar 2026 | U.S. SEC EDGAR ↗Record details ↗ |
| 808524300Schwab US Large Cap Growth | 9,800shares | $285,474Reported market value$29.13 / reported unit (derived) | 0.01%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Mar 2026 | U.S. SEC EDGAR ↗Record details ↗ |
| 46625h100JPMorgan Chase | 956shares | $281,230Reported market value$294.17 / reported unit (derived) | 0.01%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Mar 2026 | U.S. SEC EDGAR ↗Record details ↗ |
| 166764100Chevron | 1,350shares | $279,315Reported market value$206.9 / reported unit (derived) | 0.01%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Mar 2026 | U.S. SEC EDGAR ↗Record details ↗ |
| 74834l100Quest Diagnostics | 1,300shares | $254,775Reported market value$195.98 / reported unit (derived) | 0.01%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Mar 2026 | U.S. SEC EDGAR ↗Record details ↗ |
| 92343v104Verizon | 4,800shares | $240,960Reported market value$50.2 / reported unit (derived) | 0.01%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Mar 2026 | U.S. SEC EDGAR ↗Record details ↗ |
| 174610105Citizens Financial Group | 3,800shares | $227,886Reported market value$59.97 / reported unit (derived) | 0.01%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Mar 2026 | U.S. SEC EDGAR ↗Record details ↗ |
Figures retain their source’s meaning. Unknown is not zero. Dates, share classes and option exposures may differ; source-table coverage is not a complete personal portfolio.
02 / THE REFERENCES
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