📖Seth Klarman

Character Over IQ

🌱 Beginner★★★★★

Discipline matters more than intelligence in investing.

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Investing success has more to do with character — patience, discipline, rationality — than with intelligence. The best investors aren't the smartest; they're the most disciplined.

— Margin of Safety,1991

🏠 Everyday Analogy

A process is like a pilot checklist: discipline prevents simple mistakes when pressure rises and keeps outcomes more repeatable.

📖 Core Interpretation

Seth Klarman advocates a repeatable process: define criteria, execute consistently, and review decisions against evidence. Process quality drives outcome consistency.
💎 Key Insight:Character traits drive investment success more than IQ.

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❓ Why It Matters

Without process, there is no reliable feedback loop. Structured execution and review improve decision quality over time.

🎯 How to Practice

Run a decision loop of research, thesis, execution, and post-mortem; document assumptions and update playbooks with evidence, not hindsight bias.

⚠️ Common Pitfalls

Having opinions without execution criteria
Reviewing outcomes but not decisions
Abandoning rules during volatility spikes

📚 Case Studies

1
Post-Crash Value Screening (1987)
After the 1987 crash, Klarman’s team performed bottom-up analysis on dozens of bombed-out equities, focusing on balance sheets, asset coverage, and downside protection rather than macro forecasts.
✨ Outcome:Accumulated deeply discounted securities; several doubled or more over the next few years as valuations normalized.
2
Distressed Telecom Bonds (2001)
Following the dot-com bust, many telecom firms’ debt traded at distressed levels. Klarman’s bottom-up work emphasized liquidation values, spectrum assets, and priority in the capital structure instead of industry growth projections.
✨ Outcome:Selected a few issues with strong asset backing; earned high-risk-adjusted returns as credits restructured and prices rebounded.

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