📊 Portfolio Management

Guides to the art and science of constructing, balancing, and maintaining investment portfolios — asset allocation, risk management, and the discipline of long-term strategy over short-term impulse.

Margin of Safety

by Seth A. Klarman • 1991

Find hidden bargains, demand a deep discount, and wait for the catalyst that pays.

4.33

7k+

💰 Value Investing 📊 Business Valuation 🔍 Special Situations 🏚️ Distressed Securities 🔄 Contrarian Investing

Margin of Safety

Find hidden bargains, demand a deep discount, and wait for the catalyst that pays.

by Seth A. Klarman 1991

4.33

7k+ ratings

💰 Value Investing 📊 Business Valuation 🔍 Special Situations 🏚️ Distressed Securities 🔄 Contrarian Investing

The Art of Execution

by Lee Freeman-Shor • 2015

Picking stocks is overrated. Elite investors profit by mastering what happens after they buy.

4.06

1k+

🧠 Behavioral Finance 🔍 Cognitive Biases 🛡️ Risk Management 📐 Position Sizing 💰 Value Investing

The Art of Execution

Picking stocks is overrated. Elite investors profit by mastering what happens after they buy.

by Lee Freeman-Shor 2015

4.06

1k+ ratings

🧠 Behavioral Finance 🔍 Cognitive Biases 🛡️ Risk Management 📐 Position Sizing 💰 Value Investing

Warren Buffett's Ground Rules

by Jeremy C. Miller • 2016

Buffett's early partnership letters: the pre-Berkshire rules that still beat the market.

4.03

2k+

🧮 Value Investing 🧠 Behavioral Finance 📈 Compound Interest ⏳ Long-Term Investing 🔍 Business Valuation

Warren Buffett's Ground Rules

Buffett's early partnership letters: the pre-Berkshire rules that still beat the market.

by Jeremy C. Miller 2016

4.03

2k+ ratings

🧮 Value Investing 🧠 Behavioral Finance 📈 Compound Interest ⏳ Long-Term Investing 🔍 Business Valuation

The Invincible Company

by Alexander Osterwalder • 2020

Lasting companies win on business models, not products, and disrupt themselves before rivals can.

4.29

656

🎨 Business Model Design 🏢 Corporate Innovation 🌱 Innovation Culture 🚀 Lean Startup ⚖️ Ambidextrous Organizations

The Invincible Company

Lasting companies win on business models, not products, and disrupt themselves before rivals can.

by Alexander Osterwalder 2020

4.29

656 ratings

🎨 Business Model Design 🏢 Corporate Innovation 🌱 Innovation Culture 🚀 Lean Startup ⚖️ Ambidextrous Organizations

Escape Velocity

by Geoffrey A. Moore • 2011

Last year's operating plan is a gravity well. The five-part power framework for escaping it.

3.90

676

📊 Corporate Strategy 💻 Technology Adoption 🔄 Organizational Change 💡 Innovation Strategy 🏆 Competitive Advantage

Escape Velocity

Last year's operating plan is a gravity well. The five-part power framework for escaping it.

by Geoffrey A. Moore 2011

3.90

676 ratings

📊 Corporate Strategy 💻 Technology Adoption 🔄 Organizational Change 💡 Innovation Strategy 🏆 Competitive Advantage

The Handbook of Project-Based Management

by J. Rodney Turner • 2008

How to stop managing projects in isolation and start running them as a strategic portfolio.

3.77

🏛️ Project Governance 🔗 Program Management 🧭 Project Leadership 🔄 Agile Methodology ⚠️ Risk Management

The Handbook of Project-Based Management

How to stop managing projects in isolation and start running them as a strategic portfolio.

by J. Rodney Turner 2008

3.77

26 ratings

🏛️ Project Governance 🔗 Program Management 🧭 Project Leadership 🔄 Agile Methodology ⚠️ Risk Management

The Neatest Little Guide to Stock Market Investing

by Jason Kelly • 1998

Stocks return 10.5 percent. Most investors don't. A system that closes the gap.

3.99

2k+

📈 Stock Market Investing 💰 Value Investing 🚀 Growth Investing 📊 Valuation 🧠 Behavioral Finance

The Neatest Little Guide to Stock Market Investing

Stocks return 10.5 percent. Most investors don't. A system that closes the gap.

by Jason Kelly 1998

3.99

2k+ ratings

📈 Stock Market Investing 💰 Value Investing 🚀 Growth Investing 📊 Valuation 🧠 Behavioral Finance

The Smart Money Method

by Stephen Clapham • 2020

How a former hedge fund analyst picks stocks, and the rigorous process any investor can replicate.

3.74

156

🔍 Equity Research 📊 Financial Analysis 💰 Business Valuation 🏰 Competitive Moats 👔 Management Assessment

The Smart Money Method

How a former hedge fund analyst picks stocks, and the rigorous process any investor can replicate.

by Stephen Clapham 2020

3.74

156 ratings

🔍 Equity Research 📊 Financial Analysis 💰 Business Valuation 🏰 Competitive Moats 👔 Management Assessment

The Power of Passive Investing

by Richard A. Ferri • 2010

One in three active funds beat the market. Over a decade, almost none. Here's why.

3.81

150

📊 Passive Investing 🧠 Behavioral Finance ⚖️ Asset Allocation 📈 Market Efficiency 📚 Efficient Market Hypothesis

The Power of Passive Investing

One in three active funds beat the market. Over a decade, almost none. Here's why.

by Richard A. Ferri 2010

3.81

150 ratings

📊 Passive Investing 🧠 Behavioral Finance ⚖️ Asset Allocation 📈 Market Efficiency 📚 Efficient Market Hypothesis

The Little Book of Sideways Markets

by Vitaliy N. Katsenelson • 2010

Buy-and-hold was for the 15-year bull. What to do when markets go nowhere.

3.77

309

📉 Value Investing 🔄 Contrarian Investing 📊 Market Cycles 🧠 Behavioral Finance 🛡️ Margin Of Safety

The Little Book of Sideways Markets

Buy-and-hold was for the 15-year bull. What to do when markets go nowhere.

by Vitaliy N. Katsenelson 2010

3.77

309 ratings

📉 Value Investing 🔄 Contrarian Investing 📊 Market Cycles 🧠 Behavioral Finance 🛡️ Margin Of Safety

The Science of Algorithmic Trading and Portfolio Management

by Robert Kissell • 2013

Broker trading-cost models are black boxes. The math to build transparent ones yourself.

3.76

🧮 Quantitative Finance 🤖 Algorithmic Trading 🔬 Market Microstructure 💸 Transaction Cost Analysis 🧠 Machine Learning Finance

The Science of Algorithmic Trading and Portfolio Management

Broker trading-cost models are black boxes. The math to build transparent ones yourself.

by Robert Kissell 2013

3.76

25 ratings

🧮 Quantitative Finance 🤖 Algorithmic Trading 🔬 Market Microstructure 💸 Transaction Cost Analysis 🧠 Machine Learning Finance

Common Stocks and Common Sense

by Edgar Wachenheim • 2016

Balance sheets over forecasts, nerve over consensus: a value investor's decades of proof.

4.25

360

🧱 Value Investing 🔄 Contrarian Investing 🧠 Behavioral Finance 📊 Fundamental Analysis ⏳ Long-Term Investing

Common Stocks and Common Sense

Balance sheets over forecasts, nerve over consensus: a value investor's decades of proof.

by Edgar Wachenheim 2016

4.25

360 ratings

🧱 Value Investing 🔄 Contrarian Investing 🧠 Behavioral Finance 📊 Fundamental Analysis ⏳ Long-Term Investing

Key Takeaways, Analysis & Review

by Instaread Summaries • 2015

Buy businesses at a discount, demand a price buffer, and treat market mood swings as opportunity.

3.68

🏛️ Value Investing 📊 Fundamental Analysis 🧠 Market Psychology 🛡️ Risk Management 📈 Behavioral Economics

Key Takeaways, Analysis & Review

Buy businesses at a discount, demand a price buffer, and treat market mood swings as opportunity.

by Instaread Summaries 2015

3.68

69 ratings

🏛️ Value Investing 📊 Fundamental Analysis 🧠 Market Psychology 🛡️ Risk Management 📈 Behavioral Economics

Manage Your Project Portfolio

by Johanna Rothman • 2008

Your organization says yes to everything. The framework for choosing what to stop.

3.72

200

📋 Work Prioritization 🎯 Strategic Alignment 📏 Capacity Planning 👁️ Visual Management 🔧 Lean Methodology

Manage Your Project Portfolio

Your organization says yes to everything. The framework for choosing what to stop.

by Johanna Rothman 2008

3.72

200 ratings

📋 Work Prioritization 🎯 Strategic Alignment 📏 Capacity Planning 👁️ Visual Management 🔧 Lean Methodology

Rethinking Agile

by Klaus Leopold • 2018

Your teams are agile; the company is slow. The bottleneck is the system, not the team.

4.30

551

🧩 Agile Methodology 🏢 Business Agility 🏭 Lean Management 🔗 Systems Thinking ⛓️ Theory Of Constraints

Rethinking Agile

Your teams are agile; the company is slow. The bottleneck is the system, not the team.

by Klaus Leopold 2018

4.30

551 ratings

🧩 Agile Methodology 🏢 Business Agility 🏭 Lean Management 🔗 Systems Thinking ⛓️ Theory Of Constraints

Winning At New Products

by Robert G. Cooper • 2011

One in seven product ideas succeeds. A disciplined, gated system for flipping those odds.

3.75

154

🛠️ Product Development 💡 Innovation Management 🏢 Corporate Innovation 📋 Structured Innovation 🔍 Customer Research

Winning At New Products

One in seven product ideas succeeds. A disciplined, gated system for flipping those odds.

by Robert G. Cooper 2011

3.75

154 ratings

🛠️ Product Development 💡 Innovation Management 🏢 Corporate Innovation 📋 Structured Innovation 🔍 Customer Research

Stock Market Maestros

by Lee Freeman-Shor • 2026

Wrong half the time yet beating the market: the payoff math that renders stock picking a sideshow.

4.25

🧠 Behavioral Investing 📊 Behavioral Economics ⚖️ Asymmetric Returns 🧹 Decision Hygiene 🔍 Cognitive Biases

Stock Market Maestros

Wrong half the time yet beating the market: the payoff math that renders stock picking a sideshow.

by Lee Freeman-Shor 2026

4.25

8 ratings

🧠 Behavioral Investing 📊 Behavioral Economics ⚖️ Asymmetric Returns 🧹 Decision Hygiene 🔍 Cognitive Biases

Bart Ehrman and the Quest of the Historical Jesus of Nazareth

by Frank R. Zindler • 2013

Your 60/40 portfolio is an equity bet. The multi-dimensional approach to genuine diversification.

3.82

🏗️ Asset Allocation 🧩 Factor Investing 🧠 Behavioral Finance 🔄 Systematic Strategies ⚠️ Tail Risk

Bart Ehrman and the Quest of the Historical Jesus of Nazareth

Your 60/40 portfolio is an equity bet. The multi-dimensional approach to genuine diversification.

by Frank R. Zindler 2013

3.82

68 ratings

🏗️ Asset Allocation 🧩 Factor Investing 🧠 Behavioral Finance 🔄 Systematic Strategies ⚠️ Tail Risk

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