Mauboussin’s 10 Attributes of Great Investors
“Perhaps the single greatest error in the investment business is a failure to distinguish between the knowledge of a company’s fundamentals and the expectations implied by the market price”
1. Be numerate (and understand accounting).
2. Understand value (the present value of free cash flow).
3. Properly assess strategy (or how a business makes money).
4. Compare effectively (expectations versus fundamentals).
5. Think probabilistically (there are few sure things).
6. Update your views effectively (beliefs are hypotheses to be tested, not treasures to be protected).
7. Beware of behavioral biases (minimizing constraints to good thinking).
8. Know the difference between information and influence.
9. Position sizing (maximizing the payoff from edge).
10. Read (and keep an open mind).
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