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Customer Quote by Joel Greenblatt

“Somehow, when ownership interests are divided into shares that bounce around with Mr. Market’s moods, individuals and professionals start to think about and measure risk in strange ways. When short-term thinking and overly complicated statistics get involved, owning many companies that you know…” quote by Joel Greenblatt
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““Somehow, when ownership interests are divided into shares that bounce around with Mr. Market’s moods, individuals and professionals start to think about and measure risk in strange ways. When short-term thinking and overly complicated statistics get involved, owning many companies that you know very little about starts to sound safer than owning stakes in five to eight companies that have good businesses, predictable futures, and bargain prices.””

Joel Greenblatt

About This Quote

Source Book: The Little Book of Value Investing, 2005

Dividing ownership into many small shares leads to over‑analysis and risk misperception; concentrating in a few solid businesses offers clearer risk and better value.

In simple terms: Too many small investments obscure risk; focus on a few strong ones.

Key Takeaway

Prioritize quality over quantity in investments.

Themes

investment risk concentration value

Mood

analytical thoughtful cautious

Type

advice educational

When to use this quote

  • personal finance
  • investment strategy
  • financial planning
  • stock analysis

Key Concepts

portfolio theory behavioral finance market psychology

Questions to Reflect On

  • What balance of diversification and concentration suits your goals?
  • How do you assess “good businesses”?
A Different Perspective

Diversification can protect against specific risks; over‑concentration may increase exposure.

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