📖David Swensen

Wisdom for Investing and Life

🌱 Beginner★★★★☆

Investment principles apply to life too.

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The principles that make you a great investor — patience, discipline, humility, and continuous learning — are the same principles that lead to a great life.

— Pioneering Portfolio Management,2000

🏠 Everyday Analogy

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

📖 Core Interpretation

David Swensen advocates a repeatable process: define criteria, execute consistently, and review decisions against evidence. Process quality drives outcome consistency.
💎 Key Insight:Character virtues drive success in investing and life.

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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
Yale Endowment in Global Financial Crisis (2008)
Swensen’s diversified portfolio with alternatives, real assets, and bonds limited losses versus equity-heavy funds during the 2008 crash.
✨ Outcome:Endowment declined less than many peers and recovered strongly, reinforcing the value of true diversification.
2
Dot-Com Bust and Yale’s Limited Tech Exposure (2000)
During the tech bubble, Swensen avoided concentrated tech bets, emphasizing diversification across asset classes and valuation discipline.
✨ Outcome:Yale’s endowment sidestepped severe losses when the bubble burst, outperforming many tech-heavy investors over the period.

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