Answer extracted from the How I Invest with David Weisburd podcast — listen to the full episode below.
How investment rootedness protects you from selling at the worst time
Having rootedness in your investment thesis keeps you from making emotional decisions during volatility. Without it, an investor who bought an asset at $10 and saw it rise 15x to $150 would sell when it drops 20% to lock in gains, missing the eventual much higher appreciation. Rootedness requires upfront work but prevents selling at the worst possible time.
The challenge of volatility reveals itself most sharply when early gains are at stake. An investor without deep conviction in their thesis views a 20% decline as a threat to profits already secured. The emotional pull to realize gains and avoid further loss is powerful, especially when watching a successful position retrace. Yet this impulse, however natural, often triggers exits at precisely the moment when the thesis—if sound—is about to vindicate itself.
Building conviction before the storm hits
Rootedness is not a passive state; it is built through rigorous analysis and documentation before you enter the position. As John Austin explains in the episode, understanding your investment thesis deeply enough to hold through a drawdown requires that you have already done the work to know why you own the asset in the first place.
When volatility arrives—and it always does—an investor with rootedness has already answered the hard questions: Why does this asset appreciate? What are the key variables? What could falsify my thesis? Without these answers locked in before the decline, every drop becomes a moment of doubt, and doubt becomes capitulation. The investor who waits until the drawdown to understand their conviction has already lost the mental battle.
This principle applies across all investment vehicles. Whether you are holding a long-term equity position, a private market stake, or a contrarian bet, the same dynamic holds: those with a documented, pre-crisis thesis maintain discipline when others panic. Those without it rationalize their exit as prudent, when it is often catastrophic timing.
"The really truly unforgivable sin is doing things you don't understand. You can't do things you don't understand as a CIO."
John Austin — Founding CIO, Berkeley Endowment. Over 25 years as an investor, Austin has evaluated thousands of fund managers and investment strategies for institutional capital. His role at the Berkeley Endowment and previously at the Moore Foundation has given him extensive insight into how conviction, process, and rootedness separate durable returns from emotional capitulation.
The cost of selling at the worst time is not merely a missed gain—it is the compounding loss of having to re-enter at higher prices, or missing the subsequent recovery entirely. A deeper look at how fund managers maintain discipline during downturns reveals that those with the strongest track records are those who build rootedness into their process from the start.
Rootedness also protects against the operational pressure to deploy capital. In this episode, Austin discusses how firms without clear thesis-based investment processes often make decisions driven by the need to put money to work rather than by genuine conviction. With rootedness, even deployment pressure cannot override the discipline that comes from truly understanding what you own.
Key takeaways
- Rootedness in your investment thesis is built upfront through rigorous analysis, not developed during volatility.
- Without pre-crisis conviction, investors typically exit positions during 20% declines, locking in losses while missing much larger subsequent gains.
- An investor with a documented thesis can distinguish between a temporary drawdown and a genuine invalidation of their thesis.
- Rootedness protects against both emotional capitulation and deployment-driven decision-making.
See also
Why is it critical for a fund manager to have a clear, documented investment process?
A clear process ensures the firm makes investments based on high conviction fit with their thesis, not deployment pressure. It also enables team clarity on decision-making across market cycles.
What characteristics distinguish exceptional fund managers from merely adequate ones?
Exceptional managers know who they are, what their investment sweet spot is, and how they operate. They are learners who evolve, but they start from a clear sense of identity and methodology.
What operational and strategic advantages do firms like Citadel have compared to traditional private equity or venture funds?
Citadel makes hundreds of investments in an hour, whereas a private equity fund might make a few investments per year. This scale and frequency create fundamentally different operational and strategic dynamics.