Bill Ackman vs Howard Marks: Investment Philosophy Compared

Comparing 48 vs 48 investment principles across 16 common topics

Bill Ackman

Bill Ackman

48 principles

Investment Style: Activist Investing, Concentrated Portfolio, Long-term Value, Public Campaigns

William Albert Ackman (born May 11, 1966) is an American billionaire investor and hedge fund manager. He is the founder and CEO of Pershing Square Capital Management, a hedge fund managing over $10 bi...

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Howard Marks

Howard Marks

48 principles

Investment Style: Value Investing, Distressed Debt, Contrarian, Risk-Focused

Howard Stanley Marks (born April 23, 1946) is an American investor and writer. He is the co-founder and co-chairman of Oaktree Capital Management, one of the world's largest investors in distressed se...

Common Investment Topics

Both Bill Ackman and Howard Marks share principles on these topics.

TopicBill AckmanHoward Marks
Risk Management3 principles 3 principles
Business Quality3 principles 3 principles
Circle of Competence3 principles 3 principles
Buying Principles3 principles 3 principles
Selling & Review3 principles 3 principles
Mental Models3 principles 3 principles
Stock Picking3 principles 3 principles
Thinking Methods3 principles 3 principles
Value Assessment3 principles 3 principles
Margin of Safety3 principles 3 principles
Long-Term Investing3 principles 3 principles
Life Wisdom3 principles 3 principles
Investment Psychology3 principles 3 principles
Market Psychology3 principles 3 principles
Investment Philosophy3 principles 3 principles
Business Judgment3 principles 3 principles

Frequently Asked Questions

What are the key differences between Bill Ackman and Howard Marks as investors?

Bill Ackman has 48 investment principles and Howard Marks has 48. They share insights on 16 common topics, yet each brings unique perspectives and methodologies that complement each other.

What do Bill Ackman and Howard Marks have in common?

Bill Ackman and Howard Marks share principles across 16 investment topics. These common themes represent the most fundamental ideas in investing, approached from different but complementary angles.

Should I follow Bill Ackman or Howard Marks to learn investing?

Both masters offer invaluable wisdom. Bill Ackman with 48 principles and Howard Marks with 48 principles cover complementary aspects of investing. Studying both provides a more complete investment framework.