CHECK CAPITAL MANAGEMENT INC/CA
Long book
$1.62B
Q1 2026
Positions
49
Top-10 weight
90%
concentration
Last quarter
+7.7%
SPY +14.8%
Turnover
2%
of book per quarter
Strategy in plain words
auto-generated from filingsCHECK CAPITAL MANAGEMENT INC/CA is a concentrated fundamental stock-picker, running a $1.62B US long book across 49 positions.
The portfolio is extremely concentrated — the top 10 positions are almost the whole book. The book barely moves quarter to quarter — a patient, low-turnover holder. Current anchor positions: BERKSHIRE HATHAWAY INC-CL B, Google Inc Class C, BROOKFIELD CORP, MARKEL GROUP INC, AERCAP HOLDINGS NV.
Over the last 9 quarters its long book ran on average 2.1pp per quarter behind the S&P 500, beating the index in 3 of 9 quarters. We rate its filings highest-signal: new buys here are worth attention.
Implied long-book return vs S&P 500
methodology: positions priced quarterly, no shorts/options Fund long book S&P 500
Q1 2024
-2.2%
Q2 2024
+9.0%
Q3 2024
+1.8%
Q4 2024
+6.1%
Q1 2025
+0.2%
Q2 2025
+1.7%
Q3 2025
+3.9%
Q4 2025
-6.6%
Q1 2026
+7.7%
Sector allocation
Financials 59%
Real estate 13%
Services media 11%
Consumer discretionary 8%
Communications 5%
Consumer staples 3%
Technology 1%
Industrials 0%
Long book by quarter
What does CHECK CAPITAL own?
Q1 2026 13F| Company | Sector | Shares | Value | % of book | Change |
|---|---|---|---|---|---|
| BRK/B BERKSHIRE HATHAWAY INC-CL B | Financials | 1.1M | $531.1M | 32.7% | +0.5% |
| BN BROOKFIELD CORP | Real estate | 4.4M | $177.3M | 10.9% | -0.2% |
| MKL MARKEL GROUP INC | Financials | 76.9K | $147.2M | 9.1% | -0.6% |
| AER AERCAP HOLDINGS NV | Services media | 817.7K | $112.2M | 6.9% | -1.2% |
| FCNCA FIRST CITIZENS BCSHS -CL A | Financials | 44.1K | $83.1M | 5.1% | +3.0% |
| SIRI SIRIUS XM HOLDINGS INC | Communications | 2.9M | $67.9M | 4.2% | +2.0% |
| LKQ LKQ CORP | Consumer discretionary | 1.9M | $56.3M | 3.5% | +23.0% |
| AMZN AMAZON.COM INC | Consumer discretionary | 204.1K | $42.5M | 2.6% | +5762.9% |
| DIS WALT DISNEY CO/THE | Services media | 438.5K | $42.3M | 2.6% | +0.4% |
| HSY HERSHEY CO/THE | Consumer staples | 192.3K | $40.0M | 2.5% | +0.9% |
| JEF JEFFERIES FINANCIAL GROUP IN | Financials | 680.2K | $28.1M | 1.7% | +50.3% |
| BRK/A BERKSHIRE HATHAWAY INC-CL A | Financials | 29 | $20.8M | 1.3% | Held |
| W WAYFAIR INC- CLASS A | Consumer discretionary | 167.9K | $12.6M | 0.8% | +0.5% |
| AAPL APPLE INC | Technology | 23.1K | $5.9M | 0.4% | -9.1% |
| BH/A BIGLARI HOLDINGS INC-A | Consumer discretionary | 1.6K | $2.7M | 0.2% | -28.3% |
| MSFT MICROSOFT CORP | Technology | 6.1K | $2.3M | 0.1% | -0.8% |
| AMGN AMGEN INC | Healthcare | 3.9K | $1.4M | 0.1% | Held |
| CAT CATERPILLAR INC | Industrials | 1.7K | $1.2M | 0.1% | Held |
| TRUP TRUPANION INC | Financials | 40.7K | $1.0M | 0.1% | -0.2% |
| GS GOLDMAN SACHS GROUP INC | Financials | 1.2K | $1.0M | 0.1% | Held |
| TSLA TESLA INC | Industrials | 2.5K | $929K | 0.1% | Held |
| GE General Electric Company | Industrials | 3.0K | $848K | 0.1% | -7.7% |
| GEV GE VERNOVA INC | Industrials | 901 | $786K | 0.0% | -8.8% |
| GLW CORNING INC | Industrials | 5.0K | $687K | 0.0% | Held |
| RTX RTX CORP | Industrials | 3.5K | $673K | 0.0% | Held |
| BAC BANK OF AMERICA CORP | Financials | 12.0K | $587K | 0.0% | -84.9% |
| BAM BROOKFIELD ASSET MGMT-A | Financials | 13.0K | $576K | 0.0% | +1.3% |
| FRFHF FAIRFAX FINANCIAL HLDGS LTD | Financials | 219 | $372K | 0.0% | +64.7% |
| NVDA NVIDIA CORP | Technology | 2.1K | $369K | 0.0% | Held |
| FAST FASTENAL CO | Consumer discretionary | 7.9K | $367K | 0.0% | Held |
| FDX FEDEX CORP | Industrials | 993 | $354K | 0.0% | -55.6% |
| WFC WELLS FARGO & CO | Financials | 4.4K | $351K | 0.0% | -12.4% |
| UBER UBER TECHNOLOGIES INC | Services media | 4.9K | $350K | 0.0% | Held |
| COP CONOCOPHILLIPS | Energy | 2.5K | $334K | 0.0% | Held |
| UNH UNITEDHEALTH GROUP INC | Financials | 1.2K | $333K | 0.0% | +71.3% |
| BA BOEING CO/THE | Industrials | 1.4K | $288K | 0.0% | +16.1% |
| ITW ILLINOIS TOOL WORKS | Industrials | 1.1K | $286K | 0.0% | Held |
| JPM JPMORGAN CHASE & CO | Financials | 956 | $281K | 0.0% | +0.1% |
| CVX CHEVRON CORP | Energy | 1.4K | $279K | 0.0% | Held |
| DGX QUEST DIAGNOSTICS INC | Healthcare | 1.3K | $255K | 0.0% | Held |
| VZ VERIZON COMMUNICATIONS INC | Communications | 4.8K | $241K | 0.0% | -18.1% |
| CFG CITIZENS FINANCIAL GROUP | Financials | 3.8K | $228K | 0.0% | Held |
13F filing history
| Period | Form | Filed | Entries | Reported value | Flags | Source |
|---|---|---|---|---|---|---|
| Q1 2026 | 13F-HR | May 4, 2026 | 66 | $3.44B | canonical | SEC ↗ |
| Q4 2025 | 13F-HR | Feb 6, 2026 | 75 | $3.44B | canonical | SEC ↗ |
| Q3 2025 | 13F-HR | Nov 6, 2025 | 70 | $3.03B | canonical | SEC ↗ |
| Q2 2025 | 13F-HR | Jul 25, 2025 | 67 | $2.96B | canonical | SEC ↗ |
| Q1 2025 | 13F-HR | May 2, 2025 | 69 | $3.43B | canonical | SEC ↗ |
| Q4 2024 | 13F-HR | Jan 30, 2025 | 77 | $3.36B | canonical | SEC ↗ |
| Q3 2024 | 13F-HR | Nov 6, 2024 | 72 | $3.25B | canonical | SEC ↗ |
| Q2 2024 | 13F-HR | Jul 25, 2024 | 68 | $3.02B | canonical | SEC ↗ |
| Q1 2024 | 13F-HR | Apr 19, 2024 | 66 | $3.04B | canonical | SEC ↗ |
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