Answer extracted from the How I Invest with David Weisburd podcast — listen to the full episode below.
How should limited partners evaluate the durability of a fund manager's investment process?
LPs should count the number of investment decisions and transactions, not just the years on the manager's resume. A hedge fund making hundreds of investments per day generates far more evidence of a consistent process than a private equity firm making a handful of deals annually. Durability is proven when the same decision-making framework repeats reliably across many different investments.
The intuitive mistake most LPs make is equating longevity with reliability. A fund manager who has been investing for twenty years sounds impressive—until you realize that over two decades, they might have made only fifty real investment decisions, each in vastly different market conditions and with different team members involved.
Data points matter more than calendar years. When you can observe a manager's process at work dozens, hundreds, or thousands of times, you begin to see the true mechanics of how they think and decide. Each transaction is a data point. Each decision reveals whether the framework holds or breaks under pressure.
Process repetition across changing conditions
The real test of durability is whether the investment process remains consistent even as markets shift, teams evolve, and opportunities change shape. As discussed in the episode, a track record spanning too long a time period in an environment very different from today tells you less about future performance than a manager who has run the exact same process with the same team in the recent past.
Consistency of decision makers is critical. If the people making investment calls have rotated every few years, the track record is partially a reflection of who was there, not what the repeatable process actually is. LPs need to ask: would this fund produce similar results if the team stayed the same but we ran time forward ten more years?
This is why firms like Citadel, which makes hundreds of investments in an hour, provide a fundamentally different learning surface than a private equity fund making a few deals per year. The sheer volume of decision-making creates an undeniable pattern that either holds or doesn't. There's nowhere to hide in that volume.
"What we wanna see from a track record is evidence of an investment process at work that is compelling, that is repeatable, that is understandable."
John Austin — Founding CIO at Berkeley Endowment, with over 25 years of experience as an investor. Austin previously served as an investor at the Moore Foundation and has spent his career developing rigorous frameworks for evaluating fund managers and allocating institutional capital on behalf of future generations.
If you want to dig deeper into why most GPs miss what LPs actually care about when pitching their funds, the full episode explores the gap between a polished track record and the unsexy, unglamorous process that actually drives returns.
See also
Why is track record not the most important indicator when evaluating a fund manager?
Track records are inherently backward looking and can be artifacts of past market conditions, not necessarily predictive of future results. What truly matters is evidence of a repeatable, understandable investment process.
What is the most common mistake that general partners make when pitching to limited partners?
GPs overemphasize track record or impressive credentials, but LPs really want to hear about the GP's process and how they think. A compelling, repeatable investment framework matters far more than past performance or pedigree.
Key takeaways
- Evaluate fund managers by counting investment transactions and decision points, not years of operation.
- A robust process reveals itself through repetition: the more times you see it applied, the more reliable the evidence.
- Consistency of team and decision-making framework matters as much as the raw number of successful outcomes.
- Track records shaped by different market environments and rotating team members are less predictive than recent performance by a stable group.