Club Conversation with Lee Freeman-Shor & Clare Flynn Levy, Stock Market Maestros

11 snips

Apr 6, 2026

Guest

Lee Freeman-Shor

Guest

Clare Flynn Levy

Lee Freeman-Shor, former fund manager and author focused on execution and decision-making, and Clare Flynn Levy, founder of Essentia Analytics who builds analytics to evaluate managers. They discuss distinguishing skill from luck, behavioral metrics like the BA score, payoff ratio versus hit rate, selling rules such as the 15-month insight, position sizing, and why process and recent decision skill matter.

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INSIGHT

Awards Can Hide Theme Driven Luck

Many well-known managers are 'beta jockeys' riding themes, so headline performance can mask lack of individual decision skill.
Without holdings/trade analysis, allocators often confuse lucked-in thematic returns with manager skill.

INSIGHT

Hit Rate Alone Misleads Performance Judgments

Hit rate and payoff ratio together explain why many award-winning managers still win despite being right less than half the time.
Maestros averaged a 49% hit rate but a 182% payoff ratio, meaning winners were far larger than losers.

ADVICE

Measure Decision Types Not Just Returns

Measure separate decision types not just headline returns to know where you add value: entry timing, scaling, size adjusting, exit timing, and stop decisions.
Essentia's BA score aggregates seven decision types over a rolling three-year window to detect true decision skill above chance.

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This discussion took place live on March 19th, 2026, on the MicroCapClub Community. Join MicroCapClub and unlock the ability to listen and participate live in these discussions - https://microcapclub.com/#join

In this insightful interview, co-authors Lee Freeman-Shor and Clare Flynn Levy talk about their new book, Stock Market Maestros and the winning habits, strategies, and mindsets of the world's best investors. They explore how data analytics, behavioral metrics, and disciplined processes can distinguish skill from luck among top fund managers, offering practical tools and frameworks to improve investment performance.

Useful Links

Lee’s LinkedIn - https://www.linkedin.com/in/l-f-s/

Clare’s LinkedIn - https://www.linkedin.com/in/clareflynnlevy/

Stock Market Maestros (not sponsored) - https://www.amazon.com/dp/1804091464/?bestFormat=true&k=stock%20market%20maestros%20lee%20freeman-shor%2C%20clare%20flynn%20levy&ref_=nb_sb_ss_w_scx-ent-bk-ww_k1_1_17_de&crid=2C68NH42ZH57K&sprefix=stock%20market%20maes

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Chapters

00:00 Introduction and Backgrounds

12:53 Luck vs. Skill in Investing

26:17 Understanding the Behavioral Alpha Score

37:03 The Emotional Challenge of Cutting Losses

37:30 The Importance of Running Winners

38:37 Strategies for Selling: The 15-Month Rule

39:50 Decision-Making: Should I Stay or Should I Go?

43:06 Position Sizing: The Key to Managing Losses

47:53 John Barr: The Lumberjack Investor

55:21 Guardrails for Investment Decisions

01:05:24 Measuring Skill vs. Luck in Fund Management

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