AI Portfolio Summary
In 2025 Q4, CHECK CAPITAL MANAGEMENT INC/CA maintained a portfolio of 52 distinct positions. The most significant new addition to the portfolio was Jefferies, which now represents 0.82% of the total fund value. They heavily accumulated shares in Berkshire Hathaway, increasing their position by 21.3%. The fund also reduced its exposure to FedEx by 98.9%.
Total Positions
52
Quarter
2025 Q4
Top Holding
BRK/B (51.3%)
Top 10 Concentration
95.2%
Turnover Rate
23.4%
Sector HHI
0.18
Items per page:
Showing 1-50 of 52
| Stock | History | Sector / Type | Port % | Prev % | Rank / Prev | Conviction | Change | % Change | Influence | Shares | Mkt Value | Avg Cost | Price Held | 1st Owned | Source | Source Date | Date Reported |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
BRK/B
CALL
Berkshire Hatha...
|
CALL Option | 51.33% | 47.95% |
#1
Prev: #1
|
8.5 | 616,100 | 21.3% |
P
S
|
3,510,000 | $1,764,301,500 | 2009 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
BRK/B
Berkshire Hatha...
|
Financial Services | 16.12% | 17.82% |
#2
Prev: #2
|
6.0 | 27,348 | 2.5% |
P
S
|
1,102,508 | $554,175,532 | 2009 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
GOOG
Alphabet
|
Communication Services | 6.42% | 5.74% |
#3
1
Prev: #4
|
4.1 | -11,739 | -1.6% |
P
S
|
703,613 | $220,793,681 | 2014 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
BN
Brookfield Corp...
|
Financial Services | 5.86% | 6.62% |
#4
1
Prev: #3
|
5.3 | 1,459,800 | 49.8% |
P
S
|
4,388,968 | $201,409,746 | 2022 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
MKL
Markel
|
Financial Services | 4.84% | 4.89% |
#5
Prev: #5
|
2.9 | -232 | -0.3% |
P
S
|
77,313 | $166,196,252 | 2012 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
AER
AerCap Holdings
|
Industrials | 3.46% | 3.32% |
#6
Prev: #6
|
1.9 | -4,375 | -0.5% |
P
S
|
827,362 | $118,941,511 | 2021 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
FCNCA
First Citizens
|
Financial Services | 2.67% | 2.09% |
#7
Prev: #7
|
3.6 | 7,424 | 21.0% |
P
S
|
42,788 | $91,831,033 | 2023 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
SIRI
Sirius XM
|
Communication Services | 1.68% | 1.58% |
#8
2
Prev: #10
|
3.2 | 821,657 | 39.9% |
P
S
|
2,883,500 | $57,655,582 | 2024 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
DIS
Disney (Walt)
|
Communication Services | 1.45% | 1.64% |
#9
1
Prev: #8
|
1.1 | 2,373 | 0.5% |
P
S
|
436,641 | $49,676,694 | 2005 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
LKQ
LKQ Corp
|
Consumer Cyclical | 1.37% | 1.60% |
#10
1
Prev: #9
|
1.0 | -32,837 | -2.1% |
P
S
|
1,558,481 | $47,066,126 | 2017 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
HSY
Hershey Foods
|
Consumer Defensive | 1.01% | 1.17% |
#11
1
Prev: #12
|
0.9 | 1,520 | 0.8% |
P
S
|
190,689 | $34,701,626 | 2024 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
JEF
Jefferies
|
Financial Services | 0.82% | — |
#12
Prev: #—
|
3.8 | 452,487 | no change |
NEW
|
452,487 | $28,040,649 | 2025 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
N/A
Cimpress
|
—
|
Unknown | 0.79% | 0.80% |
#13
1
Prev: #14
|
2.3 | 22,319 | 5.8% |
P
S
|
406,606 | $27,075,894 | — | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | ||
|
BRK/A
Berkshire Hatha...
|
Financial Services | 0.64% | 0.72% |
#14
1
Prev: #15
|
1.3 | no change | no change |
P
S
|
29 | $21,889,200 | 2000 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
W
Wayfair
|
Consumer Cyclical | 0.49% | 0.49% |
#15
1
Prev: #16
|
0.7 | -658 | -0.4% |
P
S
|
167,192 | $16,787,716 | 2020 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
AAPL
Apple
|
Technology | 0.20% | 0.21% |
#16
1
Prev: #17
|
1.1 | no change | no change |
P
S
|
25,395 | $6,903,891 | 2012 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
BAC
Bank of America
|
Financial Services | 0.13% | 0.14% |
#17
1
Prev: #18
|
0.6 | -914 | -1.1% |
P
S
|
79,737 | $4,385,546 | 2014 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
BH/A
Biglari Cl A
|
Consumer Cyclical | 0.11% | 0.11% |
#18
1
Prev: #19
|
0.5 | -12 | -0.5% |
P
S
|
2,200 | $3,828,110 | 2018 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
MSFT
Microsoft
|
Technology | 0.09% | 0.10% |
#19
1
Prev: #20
|
1.0 | no change | no change |
P
S
|
6,126 | $2,962,701 | 2005 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
TRUP
Trupanion Inc.
|
Financial Services | 0.04% | 0.06% |
#20
1
Prev: #21
|
0.5 | -200 | -0.5% |
P
S
|
40,780 | $1,523,949 | 2018 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
AMGN
Amgen
|
Healthcare | 0.04% | 0.04% |
#21
1
Prev: #22
|
1.0 | no change | no change |
P
S
|
3,885 | $1,271,599 | 2007 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
TSLA
Tesla Motors
|
Consumer Cyclical | 0.03% | 0.04% |
#23
Prev: #23
|
0.5 | 50 | 2.0% |
P
S
|
2,500 | $1,124,300 | 2020 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
GS
Goldman Sachs
|
Financial Services | 0.03% | 0.03% |
#24
Prev: #24
|
1.0 | no change | no change |
P
S
|
1,230 | $1,081,170 | 2016 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
GE
General Electri...
|
Industrials | 0.03% | 0.03% |
#25
Prev: #25
|
1.0 | no change | no change |
P
S
|
3,240 | $998,017 | 2002 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
CAT
Caterpillar Tra...
|
Industrials | 0.03% | 0.03% |
#26
1
Prev: #27
|
1.0 | no change | no change |
P
S
|
1,717 | $983,618 | 2012 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
AMZN
Amazon Com
|
Consumer Cyclical | 0.02% | 0.02% |
#27
1
Prev: #28
|
2.0 | 338 | 10.8% |
P
S
|
3,481 | $803,522 | 2017 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
BAM
Brookfield Asse...
|
Financial Services | 0.02% | 0.02% |
#28
1
Prev: #29
|
2.0 | 1,200 | 10.4% |
P
S
|
12,786 | $669,859 | 2017 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
SPY
SPDR S&P 500
|
ETF | 0.02% | 0.02% |
#29
1
Prev: #30
|
1.0 | no change | no change |
P
S
|
965 | $658,053 | 2017 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
FDX
FedEx
|
Industrials | 0.02% | 1.56% |
#30
19
Prev: #11
|
0.0 | -197,951 | -98.9% |
P
S
|
2,237 | $646,128 | 2013 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
GEV
GE Vernova
|
Industrials | 0.02% | 0.02% |
#31
1
Prev: #32
|
1.0 | no change | no change |
P
S
|
988 | $645,727 | 2024 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
RTX
Raytheon Techno...
|
Industrials | 0.02% | 0.02% |
#32
1
Prev: #33
|
1.0 | no change | no change |
P
S
|
3,489 | $639,883 | 2023 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
XT
IShares Exponen...
|
ETF | 0.02% | 0.02% |
#33
2
Prev: #31
|
1.0 | no change | no change |
P
S
|
8,800 | $613,712 | 2017 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
WFC
Wells Fargo
|
Financial Services | 0.01% | 0.01% |
#34
6
Prev: #40
|
2.0 | 625 | 14.2% |
P
S
|
5,038 | $469,542 | 2002 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
N/A
Biglari Holding...
|
—
|
Unknown | 0.01% | 0.01% |
#35
Prev: #35
|
1.0 | no change | no change |
P
S
|
1,340 | $445,456 | — | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | ||
|
GLW
Corning
|
Technology | 0.01% | 0.01% |
#36
Prev: #36
|
1.0 | no change | no change |
P
S
|
5,050 | $442,178 | 2012 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
UBER
Uber
|
Technology | 0.01% | 0.02% |
#37
3
Prev: #34
|
0.5 | -30 | -0.6% |
P
S
|
4,860 | $397,111 | 2023 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
NVDA
Nvidia
|
Technology | 0.01% | 0.01% |
#38
1
Prev: #37
|
0.5 | -30 | -1.4% |
P
S
|
2,117 | $394,820 | 2013 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
SCHG
Schwab US Large...
|
ETF | 0.01% | 0.01% |
#39
3
Prev: #42
|
1.0 | no change | no change |
P
S
|
9,800 | $319,676 | 2021 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
FAST
Fastenal
|
Industrials | 0.01% | 0.01% |
#40
2
Prev: #38
|
1.0 | no change | no change |
P
S
|
7,920 | $317,830 | 2000 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
JPM
JPMorgan Chase
|
Financial Services | 0.01% | 0.01% |
#41
2
Prev: #43
|
0.5 | 1 | 0.1% |
P
S
|
955 | $307,722 | 2024 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
ITW
Illinois Tool W...
|
Industrials | 0.01% | 0.01% |
#42
2
Prev: #44
|
1.0 | no change | no change |
P
S
|
1,100 | $270,930 | 2005 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
BA
Boeing Co
|
Industrials | 0.01% | 0.01% |
#43
2
Prev: #45
|
1.0 | no change | no change |
P
S
|
1,245 | $270,314 | 2012 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
FRFHF
Fairfax Finl Hl...
|
Financial Services | 0.01% | — |
#44
Prev: #—
|
3.5 | 133 | no change |
NEW
|
133 | $253,812 | 2025 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
VZ
Verizon
|
Communication Services | 0.01% | 0.01% |
#45
1
Prev: #46
|
0.5 | 20 | 0.3% |
P
S
|
5,860 | $238,678 | 2014 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
UNH
UnitedHealth
|
Healthcare | 0.01% | 0.01% |
#46
2
Prev: #48
|
0.5 | 4 | 0.6% |
P
S
|
719 | $237,349 | 2004 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
COP
Conocophillips
|
Energy | 0.01% | 0.01% |
#47
6
Prev: #41
|
0.0 | -800 | -24.0% |
P
S
|
2,534 | $237,208 | 2013 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
DGX
Quest Diagnosti...
|
Healthcare | 0.01% | 0.01% |
#48
1
Prev: #47
|
1.0 | no change | no change |
P
S
|
1,300 | $225,590 | 2020 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
CFG
Citizens Financ...
|
Financial Services | 0.01% | 0.01% |
#49
2
Prev: #51
|
1.0 | no change | no change |
P
S
|
3,800 | $221,958 | 2017 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
META
Meta Platforms ...
|
Communication Services | 0.01% | 0.01% |
#50
1
Prev: #49
|
1.0 | no change | no change |
P
S
|
336 | $221,790 | 2013 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
CVX
Chevron
|
Energy | 0.01% | 0.01% |
#51
1
Prev: #50
|
1.0 | no change | no change |
P
S
|
1,350 | $205,753 | 2008 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) |
Showing 1-50 of 52 holdings