100 Baggers

What it's about

Christopher Mayer studies the rare stocks that turned a modest stake into a fortune—100-baggers—updating Thomas Phelps' 1972 study with data through 2014. He argues these winners share identifiable traits: small starting size, high returns on capital, owner-operators, large growth runways, and durable moats. The book's real claim is that finding such stocks matters less than having the patience to hold them through decades of volatility, since most investors destroy their own returns by selling too soon.

Who it's for

- Long-term individual investors hunting for growth stocks outside the index - Readers of value-investing literature who want historical case studies rather than formulas - Investors who consistently sell winning positions too early and want to understand why

What’s inside

1. 1

   The Search for 100-Baggers

   Mayer treats the historical existence of 100-to-1 stocks as evidence of a repeatable pattern, when it may just as easily be a rare, unpredictable outcome dressed up in retrospect as a formula.

   1 min
2. 2

   The Arithmetic of Patience

   Mayer argues that the single most underrated ingredient in a 100-bagger is not the rate of return but the number of years an investor is willing to stay invested, a claim that shifts responsibility from stock-picking skill to holding discipline.

   1 min
3. 3

   Small Beginnings, Big Endings

   Mayer contends that starting market capitalization is a structural precondition for a 100-bagger, since it is far easier for a $50 million company to become worth $5 billion than for a $50 billion company to become worth $5 trillion.

   1 min
4. 4

   Return on Capital as the Engine

   Mayer argues that a company's ability to reinvest its own profits at consistently high rates of return is the true engine of a 100-bagger, more important than revenue growth alone.

   1 min
5. 5

   Owner-Operators and Skin in the Game

   Mayer claims that founder or family-controlled management with substantial personal ownership consistently outperforms professional, salaried management in building 100-baggers, treating aligned incentives as nearly as important as the business itself.

   1 min
6. 6

   A Big Market to Grow Into

   Mayer argues that a company needs a total addressable market large enough to absorb decades of growth, meaning the size of the opportunity matters as much as the quality of execution.

   1 min
7. 7

   Moats That Protect the Returns

   Mayer contends that high returns on capital only compound for decades if a durable competitive advantage prevents rivals from competing them away, making the moat a precondition for sustained rather than temporary success.

   1 min
8. 8

   The Discipline of Not Selling

   Mayer argues that behavioral biases, not stock selection, are the main reason ordinary investors miss out on 100-baggers, since almost everyone who owned an eventual 100-bagger sold it long before the full gain materialized.

   1 min
9. 9

   Where the Argument Runs Thin

   2 min
10. 10

    Final summary

    1 min
11. 11

    Actionable advice

    1 min

About Christopher W. Mayer

Christopher W. Mayer is an investment writer and analyst, a former corporate banker who moved into equity research and newsletter publishing. He has written for Agora Financial and Bonner & Partners, edited services focused on small-cap and special-situation investing, and authored several books applying historical case studies to modern stock-picking.

What readers say

Read next

Summary

Profit FirstMike MichalowiczSummary9 min

Summary

Narrative EconomicsRobert J. ShillerSummary10 min

Summary

Richer, Wiser, HappierWilliam GreenSummary13 min

Summary

Broke MillennialErin LowrySummary11 min

Summary

Market WizardsJack D. SchwagerSummary14 min

Summary

Reminiscences of a Stock OperatorEdwin LefèvreSummary16 min