CHECK CAPITAL MANAGEMENT INC/CA

CIK 0001032814 · Q1 2026

13F Equity AUM

$3.4B

-0.0% QoQ

Positions

-1 QoQ

AUM Rank

#1,279

Top 10%

Skill Alpha (FF)

—

Building track record (4q)

Quarters Tracked

~13 years

Portfolio Concentration

Top 5: 86.7%Top 10: 95.2%Top 20: 99.6%

BRK/B68.3%

Alphabet5.8%

BN5.2%

MKL4.3%

AerCap Holdings3.3%

FCNCA2.4%

SIRI2.0%

LKQ11.6%

AMZN1.2%

DIS1.2%

Others (39)4.8%

HHI (Herfindahl-Hirschman Index) measures portfolio concentration. Low (<1500) = diversified, Moderate (1500-2500), High (>2500) = concentrated bets.

Sector Allocation

Financial Services81.1%

Unclassified6.8%

Industrials3.4%

Communication Services3.2%

Other5.5%

Portfolio weight by GICS sector based on latest 13F filing. Sectors below 2% are grouped as “Other.”

Position Sizing

Positions: 49Median: 0.02%Avg: 2.04%

0–0.5%

35(1.2%)

0.5–1%

2(1.4%)

1–3%

7(10.7%)

3–5%

2(7.5%)

5%+

3(79.2%)

Count of positions per weight bucket — (%) = combined portfolio weight

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Portfolio Overlap

Shared: 29Unique: 20vs 20 funds

0.4%Low

Fund positions

7,299

Consensus CUSIPs

Jaccard similarity of this fund’s portfolio vs the consensus of top 20 funds by AUM. Low (<15%) = contrarian, Moderate (15-40%), High (>40%) = follows the crowd.

Most Similar Funds

Top 9 benchmark funds with highest portfolio overlap (Jaccard similarity)

FMR LLC

MORGAN STANLEY

0.6%

BANK OF AMERICA CORP /DE/

0.6%

BlackRock, Inc.

0.7%

JPMORGAN CHASE & CO

0.6%

VANGUARD CAPITAL MANAGEMENT LLC

0.8%

STATE STREET CORP

0.8%

VANGUARD PORTFOLIO MANAGEMENT LLC

0.9%

GEODE CAPITAL MANAGEMENT, LLC

0.8%

Jaccard similarity per fund: shared CUSIPs / (fund A + fund B − shared). Higher values indicate more similar portfolios.

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Position Changes This Quarter

New0Increased16Decreased15Exited1

Increased

LKQ11.6%

+359K(+23%)

BRK/B68.3%

+282K(+6%)

Jefferies0.8%

+228K(+50%)

AMZN1.2%

+201K(+5763%)

Cimpress1.0%

+65K(+16%)

SIRI2.0%

+59K(+2%)

DIS1.2%

+2K(+0%)

HSY1.2%

+2K(+1%)

FCNCA2.4%

+1K(+3%)

W0.4%

+756(+0%)

Decreased

BAC0.0%

-67,705(-85%)

Alphabet5.8%

-13,214(-2%)

AerCap Holdings3.3%

-9,707(-1%)

BN5.2%

-9,030(-0%)

AAPL0.2%

-2,322(-9%)

FDX0.0%

-1,244(-56%)

VZ0.0%

-1,060(-18%)

WFC0.0%

-625(-12%)

Biglari Cl A0.1%

-622(-28%)

MKL4.3%

-427(-1%)

Exited

Meta Platforms Inc.

-336

Quarter-over-quarter changes compared to prior 13F filing. New = first appearance; Exited = no longer held.

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Holdings

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