CHECK CAPITAL MANAGEMENT INC/CA
13F Reported Value
ⓘ$3.4B
incl. option notional
Equity Holdings
ⓘ$1.6B
Option Notional
ⓘ$1.8B
$0 puts / $1.8B calls
Holdings
50
Latest Filing
2026-03-31
Filing Quarter
Q1 2026
Portfolio Overview
CHECK CAPITAL MANAGEMENT INC/CA disclosed 50 positions worth $3.4B in its Form 13F-HR for Q1 2026 — $1.6B in common stock plus $1.8B of put/call option positions (reported at underlying notional value, not premium at risk), led by $BRK.B (BERKSHIRE HATHAWAY INC) calls, followed by $BRK.B and $GOOG. During the quarter the fund opened 0 new positions and exited 1 and a full exit from $META. The portfolio is most concentrated in Financials (50.1% of disclosed assets). All figures are sourced directly from CHECK CAPITAL MANAGEMENT INC/CA’s Form 13F-HR filing with the SEC under CIK 1032814.
AI Fund Analysis
Diversifying
Sector Allocation
AUM History
Top Equity Holdings by Value
Option Positions
13F rules report options at the value of the underlying shares (notional) — not the premium paid or capital at risk. Shown separately from the equity sleeve above.
Quarterly Activity — Q1 2026
Click any card to unlockTop Holdings
- 64.5#634
Quality
$1.8B3,785,700 sh - 64.5#634
Quality
$531.1M1,108,390 sh - 80.2#45
Quality
$198.0M690,399 sh - —
Quality
$177.3M4,379,938 sh - 68.2
Quality
$147.2M76,886 sh - —
Quality
$112.2M817,655 sh - 54.8
Quality
$83.1M44,068 sh - 37.7
Quality
$67.9M2,942,595 sh - 54.3
Quality
$56.3M1,917,106 sh - 74.6
Quality
$42.5M204,087 sh
| Company | Quality | Value | Shares |
|---|---|---|---|
 BERKSHIRE HATHAWAY INC$BRK.BCALL | 64.5#634 | $1.8B | 3,785,700 |
| BERKSHIRE HATHAWAY INC$BRK.B | 64.5#634 | $531.1M | 1,108,390 |
 Alphabet Inc.$GOOG | 80.2#45 | $198.0M | 690,399 |
 BROOKFIELD Corp /ON/$BN | — | $177.3M | 4,379,938 |
 MARKEL GROUP INC.$MKL | 68.2 | $147.2M | 76,886 |
 AerCap Holdings N.V.$AER | — | $112.2M | 817,655 |
 FIRST CITIZENS BANCSHARES INC /DE/$FCNCA | 54.8 | $83.1M | 44,068 |
 SIRIUS XM HOLDINGS INC.$SIRI | 37.7 | $67.9M | 2,942,595 |
 LKQ CORP$LKQ | 54.3 | $56.3M | 1,917,106 |
 AMAZON COM INC$AMZN | 74.6 | $42.5M | 204,087 |
Unlock AI quality scores for every holding
32-signal composite ranking on each of CHECK CAPITAL MANAGEMENT INC/CA's 50 positions.
Showing top 10 of 50 holdings.
Sector Allocation
Financials
$813.3M
Technology
$209.6M
Real Estate
$177.3M
Communication Services
$144.8M
Industrials
$115.9M
Consumer Discretionary
$114.9M
Consumer Staples
$40.0M
Healthcare
$3.0M
Full Holdings — CHECK CAPITAL MANAGEMENT INC/CA (Q1 2026)
All 50 disclosed positions from the latest Form 13F-HR, with quarter-over-quarter share changes and 13F Pro quality scores. Sourced from SEC EDGAR.
| # | Ticker | Company | Value | Weight | QoQ | Quality |
|---|---|---|---|---|---|---|
| 1 | $BRK.BCALL | BERKSHIRE HATHAWAY INC | $1.8B | — | +8% | 64.5 |
| 2 | $BRK.B | BERKSHIRE HATHAWAY INC | $531.1M | 32.8% | +1% | 64.5 |
| 3 | $GOOG | Alphabet Inc. | $198.0M | 12.2% | -2% | 80.2 |
| 4 | $BN | BROOKFIELD Corp /ON/ | $177.3M | 10.9% | -0% | — |
| 5 | $MKL | MARKEL GROUP INC. | $147.2M | 9.1% | -1% | 68.2 |
| 6 | $AER | AerCap Holdings N.V. | $112.2M | 6.9% | -1% | — |
| 7 | $FCNCA | FIRST CITIZENS BANCSHARES INC /DE/ | $83.1M | 5.1% | +3% | 54.8 |
| 8 | $SIRI | SIRIUS XM HOLDINGS INC. | $67.9M | 4.2% | +2% | 37.7 |
| 9 | $LKQ | LKQ CORP | $56.3M | 3.5% | +23% | 54.3 |
| 10 | $AMZN | AMAZON COM INC | $42.5M | 2.6% | +5763% | 74.6 |
| 11 |  $DIS | Walt Disney Co | $42.3M | 2.6% | +0% | 68.9 |
| 12 |  $HSY | HERSHEY CO | $40.0M | 2.5% | +1% | 59.4 |
| 13 |  $CMPR | CIMPRESS plc | $34.4M | 2.1% | +16% | — |
| 14 |  $JEF | Jefferies Financial Group Inc. | $28.1M | 1.7% | +50% | 65.6 |
| 15 |  $BRK.A | BERKSHIRE HATHAWAY INC | $20.8M | 1.3% | +0% | 64.5 |
| 16 |  $W | Wayfair Inc. | $12.6M | 0.8% | +0% | 40.5 |
| 17 |  $AAPL | Apple Inc. | $5.9M | 0.4% | -9% | 76.1 |
| 18 |  $BH | Biglari Holdings Inc. | $2.7M | 0.2% | -28% | 52.5 |
| 19 |  $MSFT | MICROSOFT CORP | $2.3M | 0.1% | -1% | 83.7 |
| 20 |  $AMGN | AMGEN INC | $1.4M | 0.1% | +0% | 79.5 |
| 21 |  $CAT | CATERPILLAR INC | $1.2M | 0.1% | +0% | 67.8 |
| 22 | $GOOG | Alphabet Inc. | $1.1M | 0.1% | +2% | 80.2 |
| 23 |  $TRUP | TRUPANION, INC. | $1.0M | 0.1% | -0% | 44.8 |
| 24 |  $GS | GOLDMAN SACHS GROUP INC | $1.0M | 0.1% | +0% | — |
| 25 |  $TSLA | Tesla, Inc. | $929,375 | 0.1% | +0% | 50.1 |
| 26 |  $GE | GENERAL ELECTRIC CO | $848,472 | 0.1% | -8% | 74.8 |
| 27 |  $GEV | GE Vernova Inc. | $786,483 | 0.1% | -9% | 70.1 |
| 28 |  $GLW | CORNING INC /NY | $686,648 | 0.0% | +0% | 72.7 |
| 29 |  $RTX | RTX Corp | $673,028 | 0.0% | +0% | 70 |
| 30 |  $SPY | SPDR S&P 500 ETF TRUST | $627,578 | 0.0% | +0% | — |
| 31 | — | IShares Exponential Technologi | $599,714 | 0.0% | +0% | — |
| 32 |  $BAC | BANK OF AMERICA CORP /DE/ | $586,563 | 0.0% | -85% | 68.4 |
| 33 |  $BAM | Brookfield Asset Management Ltd. | $575,805 | 0.0% | +1% | — |
| 34 | — | Fairfax Finl Hldgs | $371,968 | 0.0% | +65% | — |
| 35 |  $NVDA | NVIDIA CORP | $369,205 | 0.0% | +0% | 90.2 |
| 36 |  $FAST | FASTENAL CO | $367,488 | 0.0% | +0% | 73.5 |
| 37 |  $FDX | FEDEX CORP | $353,687 | 0.0% | -56% | 60.3 |
| 38 |  $WFC | WELLS FARGO & COMPANY/MN | $351,319 | 0.0% | -12% | — |
| 39 |  $UBER | Uber Technologies, Inc | $349,580 | 0.0% | +0% | 79.3 |
| 40 |  $COP | CONOCOPHILLIPS | $334,488 | 0.0% | +0% | 74.8 |
| 41 |  $UNH | UNITEDHEALTH GROUP INC | $333,367 | 0.0% | +71% | 66.8 |
| 42 | $BH | Biglari Holdings Inc. | $318,714 | 0.0% | -28% | 52.5 |
| 43 |  $BA | BOEING CO | $287,598 | 0.0% | +16% | 51.8 |
| 44 |  $ITW | ILLINOIS TOOL WORKS INC | $286,319 | 0.0% | +0% | 71.2 |
| 45 | — | Schwab US Large Cap Growth | $285,474 | 0.0% | +0% | — |
| 46 |  $JPM | JPMORGAN CHASE & CO | $281,230 | 0.0% | +0% | 35.6 |
| 47 |  $CVX | CHEVRON CORP | $279,315 | 0.0% | +0% | 54.7 |
| 48 |  $DGX | QUEST DIAGNOSTICS INC | $254,775 | 0.0% | +0% | 69.1 |
| 49 |  $VZ | VERIZON COMMUNICATIONS INC | $240,960 | 0.0% | -18% | 71.6 |
| 50 |  $CFG | CITIZENS FINANCIAL GROUP INC/RI | $227,886 | 0.0% | +0% | 68.8 |
Exited Positions (1)
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