Concentrated vs Diversified Portfolios

A complete guide to concentrated vs diversified portfolios — the math of how diversification reduces risk, diminishing returns to adding more holdings, famous concentrated investors, position sizing frameworks like Kelly Criterion, and how to decide which approach fits your situation.

Core-Satellite Portfolio Strategy

A complete guide to the core-satellite portfolio strategy — how the core and satellite layers work together, sizing the split, tax and cost efficiency, common satellite strategies, and how to build one step by step.