Finding The 1% of Stocks That Matter | Henry Ellenbogen Interview

To build a compounding investment firm, focus on the 'and business' not the 'or business.' Run companies that drive growth AND innovation AND profitability simultaneously. In markets, only 1% of stocks (about 40 companies per decade) compound wealth at 20%+ annually. Study these patterns, invest wit

December 16, 2025 1h 54m
Invest Like The Best

Key Takeaway

To build a compounding investment firm, focus on the 'and business' not the 'or business.' Run companies that drive growth AND innovation AND profitability simultaneously. In markets, only 1% of stocks (about 40 companies per decade) compound wealth at 20%+ annually. Study these patterns, invest with proven 'act 2' entrepreneurs, and structure your organization to support long-term thinking over short-term volatility.

Episode Overview

Henry Ellenbogen, founder of Durable Capital, discusses his investment philosophy focused on identifying the rare 1% of stocks that compound at 20%+ annually. He emphasizes studying successful patterns, investing in 'act 2' entrepreneurs who have built companies before, and structuring organizations for long-term thinking rather than short-term market volatility.

Key Insights

The 1% Rule of Compounding

In any rolling 10-year period, only about 40 stocks out of 4,000 public companies (1%) compound wealth at 20%+ annually. 80% of these exceptional companies start as small-cap businesses, making small-cap investing crucial for long-term wealth creation.

Act 2 Entrepreneurs Have Advantages

Entrepreneurs who have successfully built companies before bring clarity, proven ability to recruit talent, and the luxury of aligning all aspects of their organization exactly as they envision. They solve familiar problems with total clarity from the beginning.

The 'And Business' vs 'Or Business'

Great companies operate in the 'and business' - they drive growth AND innovation AND profitability simultaneously, rather than choosing between these priorities. This balanced approach creates sustainable competitive advantages.

Good-to-Great Technology Adoption

The best investments often come from existing companies in traditional industries that intelligently adopt new technologies (like AI) to create permanent competitive advantages over slower competitors, combining technology leverage with physical world moats.

Investment Philosophy Must Drive Organization

To execute long-term investing successfully, you must purpose-build your entire organization - from people to time allocation to investor expectations - around that philosophy, accepting short-term volatility for long-term compounding.

Notable Quotes

"To run a company well, you have to be in the and business, not the or business. You have to drive growth measured by market share in the short term. You have to drive innovation or allocate capital well to position yourself better for the future. And you have to drive profitability."

— Henry Ellenbogen

"About 1% of the stock market is the validatorans. And that's what we want to go do."

— Henry Ellenbogen

"If you've been one before, you have a higher probability of being one again, right? Which just sounds so simple, but is actually really interesting."

— Henry Ellenbogen

"The short-term alpha game is probably going to be won by the machines paired with the humans"

— Henry Ellenbogen

"If you work at a firm that deeply measures your risk every day and then if you have a bad period of time measured by a month, but certainly three months you get your capital cut back and you there's a good chance you get let go. It probably means you can't have a time horizon longer than your career horizon."

— Henry Ellenbogen

Action Items

  • 1
    Study Successful Patterns

    Research and analyze the common characteristics of companies that have compounded wealth at 20%+ annually to build a pattern library for future investment decisions.

  • 2
    Focus on 'And Business' Thinking

    In your work or investments, prioritize organizations that excel at multiple key areas simultaneously rather than optimizing for just one metric at the expense of others.

  • 3
    Structure for Long-Term Thinking

    Design your professional and investment approach to withstand short-term volatility in favor of long-term compounding, including setting appropriate expectations with stakeholders.

  • 4
    Identify Act 2 Opportunities

    Look for entrepreneurs or leaders who have successfully built something before and are now tackling their next challenge, as they bring proven execution ability and clearer vision.

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