The managers running the biggest active funds picked stocks that beat the market in 2025 — and most still lagged their benchmark. A Morningstar do-nothing experiment and a body of academic research explain why active funds underperform even when the picking is good: skilled buying undone by poor selling, the hidden cost of trading, and the incentives that keep managers churning. The UK evidence points the same way.
Terry Smith's Fundsmith Equity fund has underperformed for four years, losing billions in outflows. But is this evidence of declining skill or simply bad luck? Academic research reveals it takes 36-800 years of data to statistically prove a fund manager has genuine talent rather than benefiting from chance. Smith's 14-year track record, despite early success, is statistically meaningless. His recent struggles with NVIDIA, Apple and Novo Nordisk may look like stock-picking err
TEBI
Jul 8, 20257 min read
SUBSCRIBE
Simply provide your email address to receive our regular update.
