Stock Market Maestros: The Winning Habits, Strategies, and Mindsets of the World’s Best Investors
By Lee Freeman-Shor and Clare Flynn Levy

Lee Freeman-Shor is the author of the international bestseller, The Art of Execution: How the world’s best investors get it wrong and still make millions, named by Investing By The Books as one of the “Top 20 Investment Books Ever.” Before becoming a writer, the Citywire 1000 report recognized Lee as one of the world’s top fund managers. His flagship fund received a Gold rating from S&P Capital IQ and the top (AAA) rating by Citywire.

Clare Flynn Levy is CEO & Founder of Essentia Analytics. Prior to setting up Essentia, she spent ten years as a fund manager, in both active equity (running over $1B of pension funds for Deutsche Asset Management), and hedge (as founder and CIO of Avocet Capital Management, a specialist tech fund manager).
What if investment success is not about being right more often, but about executing better when it matters most?
In Stock Market Maestros, bestselling author Lee Freeman-Shor and Essentia Analytics CEO Clare Flynn Levy reveal what truly separates elite investors from the rest. Drawing on exclusive trade data, advanced behavioral analytics, and in-depth interviews, they take readers inside the real decision-making processes of twelve of the world’s most skilled portfolio managers.
Across 41 real-world case studies, the book shows that even the best investors are frequently wrong. What distinguishes them is how they size positions, manage risk, respond to setbacks, and stay disciplined under pressure. Blending rigorous data analysis with compelling narrative, Stock Market Maestros offers practical frameworks that professional and personal investors alike can apply to strengthen their own decision-making.
Praise for Stock Market Maestros:
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About Essentia Analytics
Essentia Analytics is the leading provider of behavioral data analytics services to professional investors and allocators of capital. Led by a team of experts in investment management, technology and behavioral science, Essentia combines next-generation decision attribution analytics technology with human coaching to help both equity fund managers and allocators identify investment skill and bias — and capture performance that was previously being lost to decision-making deficiencies.
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