Warren Buffett
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Warren Buffett

Owner-earnings, economic moats, intrinsic value compounding

Chairman & CEO of Berkshire Hathaway since 1965. Began investing aged 11, partnered with Charlie Munger to compound capital at ~20% annually for six decades. Pioneered owner-earnings analysis and the economic-moat framework.

WebsiteWikipedia
#2Value Investors#4Capital Allocators
97/ 100
Authority scoreCanonical
2lists#2peak2primary1category
05
Top 100 Value Investors
Rank #2·Owner-earnings, economic moats, intrinsic value compounding (primary placement)
09
Top 100 Capital Allocators
Rank #4·secondary mention; Berkshire as the canonical allocation engine
Frameworks

Attributed to Warren Buffett

Mental models, principles, and operating frameworks extracted from sources where Warren is the credited author or speaker.

24frameworks
01
Acquisition Criteria Framework
Disciplined acquisition approach
Strategy·from Berkshire Hathaway Shareholder Letter 1987
02
Acquisition Framework
Buy quality businesses
Finance·from Berkshire Hathaway Shareholder Letter 1995
03
Arbitrage Investing Framework
Exploit market inefficiencies
Finance·from Berkshire Hathaway Shareholder Letter 1987
04
Business Acquisition Criteria
Evaluating potential acquisitions
Finance·from Berkshire Hathaway Shareholder Letter 1989
05
Business Acquisition Framework
Acquire businesses with strong economics
Finance·from Berkshire Hathaway Shareholder Letter 1986
06
Business Quality Framework
Evaluate business quality
Finance·from Berkshire Hathaway Shareholder Letter 1984
07
Business Value-for-Business Value Merger Framework
Fair exchange
Finance·from Berkshire Hathaway Shareholder Letter 1982
08
Business Value Framework
Evaluate business value beyond book value
Finance·from Berkshire Hathaway Shareholder Letter 1987
09
Capacity-Based Pricing
Price based on capacity
Finance·from Berkshire Hathaway Shareholder Letter 1989
10
Capital Allocation Framework
Allocate capital effectively
Finance·from Berkshire Hathaway Shareholder Letter 1978
11
Cash Generation Framework
Prioritize cash
Finance·from Berkshire Hathaway Shareholder Letter 1980
12
Circle of Competence
Know your limits
Mindset·from Berkshire Hathaway Shareholder Letter 1991
13
Commodity Product Framework
Identify industries with commodity products
Finance·from Berkshire Hathaway Shareholder Letter 1982
14
Concentrated Portfolio Framework
Focus on the best opportunities
Finance·from Berkshire Hathaway Shareholder Letter 1978
15
Convert or Hold Framework
Evaluate the benefits of converting or holding a convertible security
Finance·from Berkshire Hathaway Shareholder Letter 1995
16
Cost Containment Framework
Control costs
Finance·from Berkshire Hathaway Shareholder Letter 1978
17
Cost Control Framework
Managing costs for profitability
Finance·from Berkshire Hathaway Shareholder Letter 1983
18
Customer-Oriented Business Model
Focus on customer satisfaction
Mindset·from Berkshire Hathaway Shareholder Letter 1986
19
Cyclical vs Secular Problem Framework
Distinguish between temporary and permanent issues
Finance·from Berkshire Hathaway Shareholder Letter 1995
20
Damage-Repair Repurchase Framework
Repair value destruction through repurchases
Finance·from Berkshire Hathaway Shareholder Letter 1982
21
Debt Financing Framework
Prudent debt management
Finance·from Berkshire Hathaway Shareholder Letter 1987
22
Decentralized Operating Authority Framework
Empower key managers
Leadership·from Berkshire Hathaway Shareholder Letter 1979
23
Earnings Per Share (EPS) Framework
Focus on ROE, not EPS
Finance·from Berkshire Hathaway Shareholder Letter 1979
24
Earnings Reality Framework
Look beyond accounting earnings
Finance·from Berkshire Hathaway Shareholder Letter 1980
Domains

Framework distribution

90frameworks
Finance70 frameworks · 77.8%
Mindset13 frameworks · 14.4%
Strategy5 frameworks · 5.6%
Leadership2 frameworks · 0%
Bibliography

Sources by Warren Buffett

20sources
Shareholder Letter
1997
Berkshire Hathaway Shareholder Letter 1997
Shareholder Letter
1996
Berkshire Hathaway Shareholder Letter 1996
Shareholder Letter
1995
Berkshire Hathaway Shareholder Letter 1995
Shareholder Letter·22 frameworks extracted
1994
Berkshire Hathaway Shareholder Letter 1994
Shareholder Letter·4 frameworks extracted
1993
Berkshire Hathaway Shareholder Letter 1993
Shareholder Letter·2 frameworks extracted
1992
Berkshire Hathaway Shareholder Letter 1992
Shareholder Letter
1991
Berkshire Hathaway Shareholder Letter 1991
Shareholder Letter·4 frameworks extracted
1990
Berkshire Hathaway Shareholder Letter 1990
Shareholder Letter
1989
Berkshire Hathaway Shareholder Letter 1989
Shareholder Letter·30 frameworks extracted
1988
Berkshire Hathaway Shareholder Letter 1988
Shareholder Letter
1987
Berkshire Hathaway Shareholder Letter 1987
Shareholder Letter·20 frameworks extracted
1986
Berkshire Hathaway Shareholder Letter 1986
Shareholder Letter·14 frameworks extracted
1985
Berkshire Hathaway Shareholder Letter 1985
Shareholder Letter·2 frameworks extracted
1984
Berkshire Hathaway Shareholder Letter 1984
Shareholder Letter·2 frameworks extracted
1983
Berkshire Hathaway Shareholder Letter 1983
Shareholder Letter·22 frameworks extracted
1982
Berkshire Hathaway Shareholder Letter 1982
Shareholder Letter·14 frameworks extracted
1981
Berkshire Hathaway Shareholder Letter 1981
Shareholder Letter·6 frameworks extracted
1980
Berkshire Hathaway Shareholder Letter 1980
Shareholder Letter·16 frameworks extracted
1979
Berkshire Hathaway Shareholder Letter 1979
Shareholder Letter·12 frameworks extracted
1978
Berkshire Hathaway Shareholder Letter 1978
Shareholder Letter·10 frameworks extracted
Appears alongside

Top neighbors of Warren Buffett

8people
01
Aditya Puri
HDFC Bank; long-tenure compounder allocation
1shared list
02
Ajit Jain
Berkshire reinsurance; float allocator
1shared list
03
Allan Mecham
Arlington Value; quiet 30%+ CAGR, "Tao of value"
1shared list
04
Allison Thacker
Rice Management Co.; endowment small-shop framework
1shared list
05
Álvaro Guzmán de Lázaro
azValor; Spanish deep-cyclical contrarian
1shared list
06
Ana Marshall
Hewlett Foundation CIO; mission-aligned allocator
1shared list
07
Andre Bourbonnais
PSP Investments ex-CEO; private-markets institutional allocator
1shared list
08
Andreas Halvorsen
Viking Global; Tiger-cub long/short capital-allocation discipline
1shared list
Last updated
10 May 2026
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